Agilent Technologies InfiniiVision 6000 Series User Manual Download

Page: 272 / 368

272

6000 Series Oscilloscope User’s Guide

Displaying Data

To decode I

C data

To manually control Serial Decode on 6000L models start the
Remote Front Panel (see

page 44

) and select

Waveform

from the

Main Menu or press ctrl+A to access the oscilloscope’s Acquire
Menu.

Select the I

C serial decode mode:

Press the

Acquire

key.

Press the

Serial Decode

softkey.

In the Serial Decode Menu, press the

Mode

softkey.

Use the Entry knob (or repeatedly press and release the

Mode

softkey) to select the

serial decode mode.

N O T E

Because of oscilloscope hardware resource limitations, you cannot
decode I

C data while LIN triggering is selected.

N O T E

For I

C triggering setup see

page 164

Display
decode

Decode
mode

Signal
setup menu

Return to
previous menu

Summary of Contents for InfiniiVision 6000 Series

Page 1: ...Agilent Technologies Agilent InfiniiVision 6000 Series Oscilloscopes User s Guide ...

Page 2: ...ract Software is delivered and licensed as Commercial computer software as defined in DFAR 252 227 7014 June 1995 or as a commercial item as defined in FAR 2 101 a or as Restricted computer soft ware as defined in FAR 52 227 19 June 1987 or any equivalent agency regulation or contract clause Use duplication or disclo sure of Software is subject to Agilent Tech nologies standard commercial license ...

Page 3: ... trigger and more Edge pulse width and pattern triggering CAN duration I2 C Nth Edge Burst LIN sequence SPI TV video and USB triggering modes 5 Making Measurements XY mode FFTs math functions using cursors automatic measurements 6 Displaying Data Using pan and zoom normal average peak detect and high resolution smoothing modes noise rejection modes glitch capture and more 7 Saving and Printing Dat...

Page 4: ... in a 1 unit high package An MSO lets you debug your mixed signal designs using up to four analog signals and 16 tightly correlated digital signals simultaneously You can easily upgrade a 6000A or 6000L Series oscilloscope from a DSO to an MSO You can easily increase memory depth of a 6000A Series oscilloscope Maximum memory depth is standard in 6000L Series oscilloscopes You can easily add SPI an...

Page 5: ...hannel DSO DSO6014A DSO6014L DSO6034A DSO6054A DSO6054L DSO6104A DSO6104L Table 2 Secure Environment Mode Option Oscilloscope History Action New order No history Order Option SEC The Secure option will be installed at the factory Previously purchased no confidential trace or user data has been stored Order N5427A Return unit to Service Center for Secure option installation Previously purchased con...

Page 6: ... Upgrade Options Licensed Option Order Mixed Signal Oscilloscope MSO Order N2914A or N2915A see data sheet You can easily install this option yourself The logic cable kit is supplied with the MSO license I2C SPI serial decode option for 4 channel or 4 16 channel models only Order N5423A after purchase Option LSS at time of purchase You can easily install this option yourself CAN LIN automotive tri...

Page 7: ...e installed after time of purchase Visit www agilent com find mso6000 to view the 6000A Series and 6000L Series data sheets Table 5 Order Only Options Licensed Option Order Battery Operation Option BAT Available at time of purchase Option can not be added after purchase ...

Page 8: ...to an MSO Using this book with the 6000L Series oscilloscopes The 6000L Series oscilloscopes do not have a built in display or front panel control keys If you are using a 6000L Series oscilloscope and this book refers to using front panel controls you can use the built in Web control feature described on page 44 to complete the instructions Abbreviated instructions for pressing a series of keys In...

Page 9: ...red 6000 Series 33 Battery Powered 6000A Series 33 Maintain oscilloscope ground connection 34 The remote interface 38 To establish a LAN connection 6000A Series 39 To establish a LAN connection 6000L Series 40 To establish a point to point LAN connection 42 To use the Web interface 43 Controlling the oscilloscope using a Web browser 44 Setting a password 46 Scrolling and Monitor Resolution 49 Iden...

Page 10: ... GHz Bandwidth Models 56 By 100 MHz Bandwidth Models 57 Using Quick Help 58 Quick Help Languages 59 2 Front Panel Controls 61 6000L Series Oscilloscope Controls 62 Front and Rear Panel Controls and Connectors 63 6000A Series Oscilloscope Front Panel Controls 66 Conventions 67 Graphic Symbols in Softkey Menus 67 4 Channel 6000A Series Oscilloscope Front Panel 68 Front Panel Controls 69 2 Channel 60...

Page 11: ...time base 88 To make cursor measurements 95 To make automatic measurements 96 Using Labels 97 To print the display 101 To set the clock 102 To set up the screen saver 103 To set the waveform expansion reference point 104 To perform service functions 105 User Calibration 105 Self Test 108 About Oscilloscope 108 To restore the oscilloscope to its default configuration 110 3 Viewing and Measuring Dig...

Page 12: ... 122 4 Triggering the Oscilloscope 127 Selecting Trigger Modes and Conditions 130 To select the Mode and Coupling menu 130 Trigger modes Normal and Auto 131 To select trigger Coupling 133 To select trigger Noise Rejection and HF rejection 133 To set Holdoff 134 The External Trigger input 136 2 Channel oscilloscope External Trigger input 136 Maximum input voltage for external trigger 2 channel osci...

Page 13: ...n 155 Setting Up the Oscilloscope and the VPT1000 156 Triggering on FlexRay Frames Times or Errors 160 To use I2C triggering 164 To use Nth Edge Burst triggering 170 To use LIN triggering 172 To use Sequence triggering 175 Define the Find stage 177 Define the Trigger on stage 178 Define the optional Reset on stage 180 Adjust the trigger level 181 To use SPI triggering 182 Assign source channels to...

Page 14: ...5 To trigger on odd or even fields 196 To use UART RS232 triggering 199 To use USB triggering 204 The Trigger Out connector 206 Triggers 206 Source frequency 206 Source frequency 8 206 5 Making Measurements 207 To use the XY horizontal mode 208 Math Functions 213 Math scale and offset 214 Multiply 215 Subtract 217 Differentiate 219 Integrate 221 FFT Measurement 223 FFT Operation 225 Square Root 23...

Page 15: ... 257 Pan and Zoom 258 To pan and zoom a waveform 259 To set the waveform expansion reference point 259 Antialiasing 260 Using the XGA video output 260 Display Settings 261 Infinite persistence 261 Grid intensity 262 Vectors connect the dots 262 Varying the intensity to view signal detail 263 Acquisition Modes 265 At Slower Sweep Speeds 265 Selecting the Acquisition mode 265 Normal Mode 266 Peak De...

Page 16: ...random noise on a signal 307 HF Reject 307 LF Reject 308 Noise rejection 308 To capture glitches or narrow pulses with peak detect and infinite persistence 309 Using peak detect mode to find a glitch 310 How AutoScale Works 312 Undo AutoScale 312 Specifying the Channels Displayed After AutoScale 313 Preserving the Acquisition Mode During AutoScale 313 7 Saving and Printing Data 315 Printing the os...

Page 17: ...l waveform trace and or oscilloscope setup 328 File explorer 328 To use the file explorer 330 Secure Environment Mode Option 331 8 Reference 333 Upgrading to an MSO or adding memory depth 334 Software and firmware updates 334 To set up the I O port 335 Using the 10 MHz reference clock 336 Sample clock and frequency counter accuracy 336 Supplying an external timebase reference 336 To supply a sampl...

Page 18: ...ary Header Format 346 Example Program for Reading Binary Data 350 Examples of Binary Files 351 Minimum and Maximum Values in CSV Files 353 9 Power and Environmental Conditions 355 Power Requirements 356 Measurement Category 357 Measurement Category 357 Measurement Category Definitions 357 Transient Withstand Capability 358 Maximum input voltage for analog inputs 358 Environmental Conditions 359 Sp...

Page 19: ...blish a point to point LAN connection 42 To use the Web interface 43 Printing the oscilloscope s display from a web browser 50 To connect the oscilloscope probes 51 To verify basic oscilloscope operation 52 To compensate the oscilloscope probes 54 To calibrate the probes 55 Passive Probes Supported 55 Active Probes Supported 56 Using Quick Help 58 To get started using the oscilloscope Unpack the o...

Page 20: ...20 6000 Series Oscilloscope User s Guide 1 Getting Started Verify basic oscilloscope operation and compensate the probes ...

Page 21: ...upgraded to an MSO Using this book with the 6000L Series oscilloscopes The 6000L Series oscilloscopes do not have a built in display or front panel control keys If you are using a 6000L Series oscilloscope and this book refers to using front panel controls you can use the built in Web control feature described on page 44 to complete the instructions Abbreviated instructions for pressing a series o...

Page 22: ... panel cover 6000A Series only Power cord see Table 8 on page 37 Models with Option BAT only Power Supply P N 0950 4866 LAN Crossover Cable 5061 0701 6000L Series only GPIB cable extender P N 5183 0803 6000L Series only 50 ohm feedthrough termination adapter P N 0960 0301 Qty 4 supplied with DSO6014L only Oscilloscope probes Two probes for 2 channel models Four probes for 4 channel models 10074C p...

Page 23: ...7 Digital Probe Kit contains 54620 61801 16 channel cable qty 1 5959 9334 2 inch probe ground leads qty 5 5090 4833 Grabber qty 20 Digital probe replacement parts are listed on page 345 6000A Series Oscilloscope Front panel cover Oscilloscope probes 10073C or 10074C Qty 2 or 4 Manuals and CD ROMs Digital Probe Kit MSO models only Digital cable guide MSO models only ...

Page 24: ...on BAT Oscilloscope Power cord see Power Cords table Oscilloscope probes 10073C or 10074C Qty 2 or 4 Manuals and CD ROMs Digital Probe Kit MSO models only Digital cable guide MSO models only Digital Probe Kit contains 54620 61801 16 channel cable qty 1 5959 9334 2 inch probe ground leads qty 5 5090 4833 Grabber qty 20 Digital probe replacement parts are listed in the Reference chapter Ground wire ...

Page 25: ...Package contents for 6000L Series oscilloscopes 6000L Series Oscilloscope Manuals and CD ROMs Oscilloscope Probes 10073C or 10074C Qty 4 Power cord Part numbers given on page 37 50 ohm feedthrough termination adapter P N 0960 0301 Qty 4 GPIB cable extender P N 5183 0803 ...

Page 26: ...74C Passive probe 10 1 150 MHz 1 5 m 10073C Passive probe 10 1 500 MHz 1 5 m 1165A Passive probe 10 1 600 MHz 1 5 m 10076A Passive probe 100 1 4 kV 250 MHz N2771A Passive probe 1000 1 30 kV 50 MHz 1156A Active probe 1 5 GHz AutoProbe interface 1144A Active probe 800 MHz requires 1142A power supply 1145A Active probe 750 MHz 2 ch requires 1142A power supply 1130A For active differential probes 1 5 ...

Page 27: ...IC clip kit 10076A 100 1 4 kV 250 MHz probe E2613B 0 5 mm Wedge probe adapter 3 signal qty 2 E2614A 0 5 mm Wedge probe adapter 8 signal qty 1 E2615B 0 65 mm Wedge probe adapter 3 signal qty 2 E2616A 0 65 mm Wedge probe adapter 8 signal qty 1 E2643A 0 5 mm Wedge probe adapter 16 signal qty 1 E2644A 0 65 mm Wedge probe adapter 16 signal qty 1 Indicates a maximum of two of this model probe can be con...

Page 28: ...instrument or you can use it as a stand to tilt the instrument up for easier viewing of its display 1 Grasp the handle hubs on each side of the instrument and pull the hubs out until they stop 2 Without releasing the hubs rotate the handle to the desired position Then release the hubs Continue rotating the handle until it clicks into a set position ...

Page 29: ...in the kit To mount the 6000L Series oscilloscope in a rack The 6000L Series oscilloscope is supplied with all necessary hardware for installation into a standard EIA 19 inch rack Tools required not supplied 2 Phillips screwdriver T20 Torx driver T10 Torx driver Table 7 Rack Mount Hardware Supplied Quantity Description Agilent Part Number 2 Front Extender Support D6104 01201 2 Rear Extender Suppor...

Page 30: ...ear Extender Supports with four 4 clip nuts and four 4 of the 10 32 x 0 375 Rail Screws The screws require a Torx T20 driver Choose the correct set of slots in the supports such that their overall length is approximately correct for the depth of your cabinet Step 1 step 5 Step 2 If needed If needed Step 4 Step 3 ...

Page 31: ...ack Install the four 4 10 32 x 0 625 Dress Screws in the chassis front ears to secure the front of the instrument to the rack Use the Phillips screwdriver 4 Align the ears in the Rear Mount Extenders with the correct set of holes in the rear of the rack and secure the Rack Mount NOTE The sets of holes in the Rack Mount Extenders are slightly offset This was done to ensure that the Rack Mount Exten...

Page 32: ... exhaust areas must be free from obstructions Unrestricted air flow is required for proper cooling 6000A Ventilation Requirements The fan draws air in from underneath the oscilloscope and pushes it out behind the oscilloscope Always ensure that the air intake and exhaust areas are free from obstructions When using the oscilloscope in a bench top setting provide at least 4 100 mm clearance behind a...

Page 33: ...h is located on the lower left corner of the front panel Some front panel lights will come on and the oscilloscope will be operational in a few seconds Battery Powered 6000A Series WARNING Always use a grounded power cord Do not defeat the power cord ground Figure 4 Additional indicators on battery powered 6000A Series Digital Select Position 54684A Oscilloscope 1 GHz 4 GSa s Analog 1 2 3 4 CAT I ...

Page 34: ... ground wire from the ground post on the back of the instrument to earth ground Caution indicator Lights amber when running on the internal battery See Operating with the Internal Battery below Battery power indicator Turns from green to red when there is 15 to 20 minutes of battery power remaining Charging indicator Lights when the battery is charging Turns off when the battery is fully charged o...

Page 35: ...s Guide 35 3 Press the power switch The power switch is located on the lower left corner of the front panel Some front panel lights will come on and the oscilloscope will be operational in a few seconds Figure 5 Ground post on rear panel Ground Post ...

Page 36: ...opes 1 Connect the N5429A adapter cable to the back of the oscilloscope and connect the other end of the cable to a 12V DC automotive power source Replacing the Battery The oscilloscope battery is not user replaceable You must return the oscilloscope to Agilent for battery replacement Contact Agilent for further instructions see www agilent com find contactus CAUTION Use only the supplied AC adapt...

Page 37: ...01 Australia 8121 1581 Opt 919 Israel 8121 1662 Opt 902 Europe 8121 1580 Opt 920 Argentina 8121 1599 Opt 903 U S A 8121 1609 Opt 921 Chile 8121 1600 Opt 906 Switzerland 8121 1602 Opt 922 China 8121 1606 Opt 912 Denmark 8121 1601 Opt 927 Thailand 8120 0674 Opt 917 India 8121 1604 Opt 923 South Africa Opt 930 Brazil Opt 931 Taiwan Opt 932 Cambodia 8121 1641 8121 1613 8121 1637 8121 1633 ...

Page 38: ...d test and data acquisition Information about controlling the oscilloscope through remote commands is contained in the Programmer s Quick Start Guide which is included in the documentation CD ROM supplied with this oscilloscope You can also access this document online direct your web browser to www agilent com find mso6000 and select Technical Support then select Manuals All 6000 Series oscillosco...

Page 39: ...s the Control softkey again 5 Configure the oscilloscope s LAN interface a Press the Configure softkey until LAN is selected b Press the LAN Settings softkey c Press the Addresses softkey Use the IP Options softkey and the Entry knob to select DHCP AutoIP or netBIOS Use the Modify softkey and the other softkeys and the Entry knob to enter the IP Address Subnet Mask Gateway IP and DNS IP values Whe...

Page 40: ...terface 3 Open a web browser and enter the oscilloscope s hostname in the address field The oscilloscope s Web page will be displayed Hostname If you do not know the oscilloscope s hostname you can reset the hostname as follows 1 Press and release the Reset button see page 62 63 on the front panel of the 6000L Series oscilloscope This will reset the hostname to that which is printed on the label n...

Page 41: ...terfaces Connectivity Guide For a printable electronic copy of the Connectivity Guide direct your Web browser to www agilent com and search for Connectivity Guide NOTE Any time you modify the oscilloscope s hostname it will break the connection between the oscilloscope and the LAN You will need to re establish communication to the oscilloscope using the new hostname ...

Page 42: ...scope power Wait until the LAN connection is configured On 6000A Series oscilloscopes press Utility I O and wait until the LAN status shows configured On 6000L Series oscilloscopes the LAN indicator illuminates green when the LAN connection is configured This may take a few minutes 4 Start the Agilent Connection Expert application from the Agilent I O Libraries Suite program group 5 When the Agile...

Page 43: ...dating your oscilloscope s software When you connect to the oscilloscope using a computer and web browser you can Control the oscilloscope using the Remote Front Panel function Activate the Identify function see page 49 to identify a particular instrument by causing it s front panel light to blink View information about the oscilloscope like its model number serial number host name IP address and ...

Page 44: ...y Also SCPI Standard Commands for Programmable Instrumentation commands can be sent over the LAN Microsoft Internet Explorer 6 is the recommended Web browser for communication and control of the oscilloscope Other Web browsers may work but are not guaranteed to work with the oscilloscope The Web browser must be Java enabled with Sun Microsystems Java Plug in Operating the oscilloscope using a Web ...

Page 45: ...d select Browser Web Control then select Remote Front Panel After a few seconds the Remote Front Panel appears 4 Use the Main Menu and the Function Keys to control the oscilloscope This is a manual way to control an oscilloscope which is normally controlled by a remote program NOTE If Java is not installed on your PC you will be prompted to install the Sun Microsystems Java Plug in This plug in mu...

Page 46: ...ed Setting a password Whenever you connect the oscilloscope to a LAN it is good practice to set a password to prevent unauthorized access to the oscilloscope via Web browser 1 Select the Configure Network tab from the instrument s Welcome page Step 1 Step 2 ...

Page 47: ... 47 2 Select the Modify Configuration button 3 Enter your desired password and click Apply Changes 4 To reset the password 6000A Series oscilloscopes Press Utility I O LAN Reset 6000L Series oscilloscopes Press the LAN RESET button on the front panel Step 3 ...

Page 48: ...48 6000 Series Oscilloscope User s Guide 1 Getting Started Function Keys Softkeys Hint appears when you roll over with mouse Main Menu Left click to select Right click for Quick Help ...

Page 49: ...r computer s display Identify Function Select Identification on button on the oscilloscope s web page On a 6000L Series oscilloscope the LAN indicator on the front of the instrument will flash green to identify the oscilloscope until you select Identification off On a 6000A Series oscilloscope an Identify message is displayed you can either select Identification off or press the OK Softkey on the ...

Page 50: ...b from the left side of the Welcome screen After a delay of several seconds the oscilloscope s screen image will be displayed 3 Right click on the image and select Save Picture As 4 Select a storage location for the image file and click Save For more information about connecting the oscilloscope to a LAN see the Agilent Technologies USB LAN GPIB Interfaces Connectivity Guide For a printable electr...

Page 51: ...the signal path 1 Connect the supplied oscilloscope probe to an oscilloscope channel BNC connector on the front panel of the oscilloscope 2 Connect the retractable hook tip on the probe tip to the circuit point of interest Be sure to connect the probe ground lead to a ground point on the circuit CAUTION Maximum input voltage in 50 Ω mode Do not exceed 5 Vrms at the BNC in 50 Ω mode on the Agilent ...

Page 52: ...ettings 2 Connect an oscilloscope probe from channel 1 to the Probe Comp signal terminal on the front panel 3 Connect the probe s ground lead to the ground terminal that is next to the Probe Comp terminal 4 Press AutoScale WARNING Do not negate the protective action of the ground connection to the oscilloscope The oscilloscope must remain grounded through its power cord Defeating the ground create...

Page 53: ...m but the square wave is not shaped correctly as shown above perform the procedure To compensate the oscilloscope probes on page 54 If you do not see the waveform ensure your power source is adequate the oscilloscope is properly powered on and the probe is connected securely to the front panel oscilloscope channel input BNC and to the Probe Comp terminal ...

Page 54: ...a nonmetallic tool to adjust the trimmer capacitor on the probe for the flattest pulse possible The trimmer capacitor is located on the probe BNC connector 3 Connect probes to all other oscilloscope channels channel 2 of a 2 channel oscilloscope or channels 2 3 and 4 of a 4 channel oscilloscope Repeat the procedure for each channel This matches each probe to each channel The process of compensatin...

Page 55: ...the probe to the Probe Comp terminal and the probe ground to the Probe Comp ground terminal Press the Calibrate Probe softkey and follow the instructions on the display Passive Probes Supported The following passive probes can be used with the 6000 Series oscilloscopes Any combination of passive probes can be used NOTE When calibrating a differential probe connect the positive lead to the Probe Co...

Page 56: ... each type of active probe that can be connected to the oscilloscope If too much current is drawn from the AutoProbe interface an error message will be displayed indicating that you must momentarily disconnect all probes to reset the AutoProbe interface Table 10 Active Probes for 300 MHz 500 MHz and 1 GHz bandwidth models Active Probes Quantity Supported 1130A 2 1131A 2 1132A 2 1134A 2 1141A with ...

Page 57: ...dance The input impedance of 6000 Series 100 MHz bandwidth models is fixed at 1 MΩ When connecting these probes to 6000 Series 100 MHz bandwidth models a 50 Ω feedthrough terminator such as Agilent part number 0960 0301 is required Table 11 Active Probes for All 6000 Series Oscilloscopes Active Probes Quantity Supported 1141A with 1142A power supply 4 1144A with 1142A power supply 4 1145A with 114...

Page 58: ...ys To view Quick Help on 6000A Series oscilloscopes 1 Press and hold down the key or softkey for which you would like to view help You can set Quick Help to close when you release the key this is the default mode or to remain on the screen until another key is pressed or a knob is turned To select this mode press the Utility key then press the Language softkey then press the Help Remain Help Close...

Page 59: ...anguage softkey 2 Repeatedly press and release the Language softkey or rotate the Entry knob until the desired language is selected If Quick Help updates become available you can download the updated Quick Help language file and load it into the oscilloscope To download the InfiniiVision 6000 Series Oscilloscope Quick Help Language Support file 1 Direct your web browser to www agilent com find mso...

Page 60: ...60 6000 Series Oscilloscope User s Guide 1 Getting Started ...

Page 61: ...nt Technologies Agilent 6000 Series Oscilloscope User s Guide 2 Front Panel Controls 6000L Series Oscilloscope Controls 62 6000A Series Oscilloscope Front Panel Controls 66 6000A Series Front Panel Operation 76 ...

Page 62: ...ple Front Panel Rear Panel 5 Intensity Control 1 Power Switch 2 Power Indicator 3 LAN Status Indicator 6 USB Port 7 Probe Comp Terminals 4 Reset Switch 8 AutoProbe Interface 9 Channel Inputs 13 10 MHz Reference Output 15 Digital Channels Input 10 External Trigger Input 11 Trigger Output 12 Calibration Protect Switch 16 USB Host Port 17 USB Device Port 14 XGA Video Output 18 LAN Connector 19 GPIB C...

Page 63: ... LAN parameters See page 40 5 Intensity Control Rotate clockwise to increase analog waveform intensity counterclockwise to decrease You can vary the intensity control to bring out signal detail much like an analog oscilloscope Digital channel waveform intensity is not adjustable More details about using the Intensity control to view signal detail are on page 263 6 USB Host Port Connect a USB compl...

Page 64: ...e oscilloscope probe or BNC cable to the BNC connector This is the channel s input connector 10 External Trigger Input Allows you to trigger the oscilloscope using an external signal See page 136 11 Trigger Output This output is related to the oscilloscope s internal trigger signal See page 206 12 Calibration Protect Switch Set this switch to Protect to prevent unwanted re calibration See page 105...

Page 65: ...en in Chapter 7 Saving and Printing Data starting on page 315 17 USB Device Port You can use this port for remote control of the oscilloscope by connecting to a PC host computer See the InfiniiVision 6000 Series Oscilloscope Programmer s Quick Start Guide for details 18 LAN Connector You can use this port to connect to the oscilloscope and control it via your LAN This standard LAN port is not Auto...

Page 66: ...enus on the display that provide access to oscilloscope features Many softkeys use the Entry knob to select values Six softkeys are located below the display To understand the symbols used in the softkey menus and throughout this guide see Conventions on page 67 Note that the Digital Select key not the Entry knob is used to select digital channels when you want to reposition a digital channel wave...

Page 67: ... s softkey menus The softkey menus appear at the bottom of the display just above the six softkeys Use the Entry knob to adjust the parameter The Entry knob is located on the front panel The symbol above the knob is illuminated when this control is active Press the softkey to display a pop up with a list of choices Repeatedly press the softkey until your choice is selected Use the Entry knob label...

Page 68: ...re 6 6000A Series 4 Channel Oscilloscope Front Panel 4 Probe Compensation Terminals 22 Display 20 Horizontal SweepSpeed Control 6 Vertical Position Control 25 Softkeys 17 Waveform Keys 21 Measure Keys 12 Label Key 23 Entry Knob 24 AutoScale Key 18 Horizontal Position Control 1 Power switch 2 Intensity Control 3 USB Port 13 File Keys 15 Trigger Controls 16 Run Controls 7 Channel On Off Key 8 Math K...

Page 69: ...torage device from the oscilloscope you do not need to eject it Simply unplug the USB mass storage device from the oscilloscope when the file operation is complete More information on using the USB port is given in Chapter 7 Saving and Printing Data starting on page 315 4 Probe Compensation Terminals Use the signal at these terminals to match each probe s characteristics to the oscilloscope channe...

Page 70: ...ace Not available on 100 MHz bandwidth models When you connect a probe to the oscilloscope the AutoProbe Interface attempts to determine the type of probe and set its parameters in the Probe menu accordingly See page 81 Note Although the 100 MHz models lack the AutoProbe interface they do have a probe sense ring around the BNC Therefore the probe attenuation factor will be automatically set when y...

Page 71: ...y will change to Auto and the background will flash indicating that the oscilloscope is forcing triggers Press Run Stop again to stop acquiring data The key will illuminate in red Now you can pan across and zoom in on the acquired data Press Single to make a single acquisition of data The key will illuminate in yellow until the oscilloscope triggers See To start and stop an acquisition on page 77 ...

Page 72: ...ontal sweep speed control changes the time per horizontal division on the display See To set up the Horizontal time base on page 88 21 Measure Keys Press the Cursors key to switch on cursors that you can use for making measurements Press the Quick Meas key to access a set of predefined measurements See Chapter 5 Making Measurements starting on page 207 22 Display The display shows captured wavefor...

Page 73: ...Scale key the oscilloscope will quickly determine which channels have activity and it will turn these channels on and scale them to display the input signals See How AutoScale Works on page 312 25 Softkeys The functions of these keys change based upon the menus shown on the display directly above the keys ...

Page 74: ... Front Panel The differences between the front panel of the 4 channel oscilloscopes and the 2 channel oscilloscopes are The 2 channel oscilloscope has two sets of channel controls The 2 channel oscilloscope s external trigger input is on the front panel instead of the rear panel Some trigger features differ See The External Trigger input on page 136 External Trigger Input ...

Page 75: ...nalog trigger and ground level indicators Each analog channel s information appears in a different color Measurement line This line normally contains automatic measurement and cursor results but can also display advanced trigger setup data and menu information Softkeys The softkeys let you set up additional parameters for the selected mode or menu Analog channel sensitivity Delay time Trigger leve...

Page 76: ...ty is fixed To adjust the display grid graticule intensity 1 Press the Display key 2 Turn the Entry knob to change the intensity of the displayed grid The intensity level is shown in the Grid softkey and is adjustable from 0 to 100 Each major vertical division in the grid corresponds to the vertical sensitivity shown in the status line at the top of the display Each major horizontal division in th...

Page 77: ...play You can pan and zoom the stored waveform by turning the horizontal and vertical control knobs To manually run and stop 6000L models start the Remote Front Panel see page 44 and select Run Control from the Main Menu or press ctrl R for run stop or ctrl S for single When the oscilloscope is running and you press the Run Stop key it will flash until the current acquisition is completed If the ac...

Page 78: ...uctions This keeps the oscilloscope from automatically triggering immediately Memory Depth Record Length Run Stop versus Single When the oscilloscope is running the trigger processing and update rate are optimized over the memory depth Single Single acquisitions always use the maximum memory available at least twice as much memory as acquisitions captured in Run mode and the oscilloscope stores at...

Page 79: ...not found in the predetermined time about 40 ms after you press Single If you want to make a single acquisition and you are not particularly interested in triggering the acquisition for example if you are probing a DC level set the trigger mode to Auto see page 131 and press the Single key If a trigger condition occurs it will be used if a trigger doesn t happen an untriggered acquisition will be ...

Page 80: ...n many cases a triggered display is not needed to check signal levels or activity For these applications use Auto trigger mode which is the default setting If you only want to acquire specific events as specified by the trigger settings use Normal trigger mode You can select the trigger mode by pressing the Mode Coupling key then the Mode softkey For more detailed discussion of Auto trigger mode a...

Page 81: ...ect the probe ground leads to the ground lug beside the Probe Comp output Set the instrument to the factory default configuration by pressing the Save Recall key then the Default Setup softkey Then press the AutoScale key You should see a display similar to the one shown below Figure 9 AutoScale of oscilloscope channels 1 and 2 For an explanation of how AutoScale works see How AutoScale Works on p...

Page 82: ...channel s BNC connector to transfer information between the oscilloscope and the probe When you connect a compatible probe to the oscilloscope the AutoProbe interface determines the type of probe and sets the oscilloscope s parameters units offset attenuation coupling and impedance accordingly Manually Setting the Probe Attenuation Factor If you connect a probe that the oscilloscope does not autom...

Page 83: ... s front panel to display the Channel 1 menu Pressing an analog channel key displays the channel s menu and turns the display of the channel on or off The channel is displayed when the key is illuminated On 6000L models select Analog from the Main Menu and use the menu Channel coupling Invert channel Probe menu Trigger level or threshold Trigger source Channel Volts div Channel vernier Channel 2 g...

Page 84: ... division knob is vertical expansion about the ground level of the channel To set the expansion mode to expand about the center of the screen instead press Expand in the Utility Options Preferences Expand menu and select Center Ground level The ground level of the signal for each displayed analog channel is identified by the position of the icon at the far left side of the display Vertical positio...

Page 85: ...t damage to the oscilloscope Note that Channel Coupling is independent of Trigger Coupling To change Trigger coupling see page 133 3 Press the Imped impedance softkey The analog channel input impedance can be set to either 1M Ohm or 50 Ohm by pressing the Imped softkey Measurement Hints If the channel is DC coupled you can quickly measure the DC component of the signal by simply noting its distanc...

Page 86: ...hen bandwidth limit is on the maximum bandwidth for the channel is approximately 25 MHz on the 300 MHz 500 MHz and 1 GHz bandwidth oscilloscope models and approximately 20 MHz for the 100 MHz bandwidth oscilloscope models For waveforms with frequencies below this turning bandwidth limit on removes unwanted high frequency noise from the waveform The bandwidth limit also limits the trigger signal pa...

Page 87: ...e small differences in cable length can affect the measurement Use Skew to remove cable delay errors between any two channels Probe the same point with both probes then press Skew and turn the Entry knob to enter the amount of skew between channels Each analog channel can be adjusted 100 ns in 10 ps increments for a total of 200 ns difference The skew setting is reset to zero when you press Save R...

Page 88: ... Horizontal menu lets you select the horizontal mode Main Zoom Roll or XY and set the time base vernier and time reference The current sample rate is displayed above the Vernier and Time Ref softkeys Main mode 1 Press the Main softkey to select Main horizontal mode Main horizontal mode is the normal viewing mode for the oscilloscope When the oscilloscope is stopped you can use the Horizontal knobs...

Page 89: ...nce 4 Note the setting of the Time Ref time reference softkey Time reference is the reference point on the display for horizontal position also called delay time Time reference can be set to one major division from the left or right edge or to the center of the display A small hollow triangle at the top of the display grid marks the position of the time reference When horizontal position is set to...

Page 90: ...ition moves the sweep horizontally and indicates how far the trigger point solid inverted triangle is from the time reference point hollow inverted triangle These reference points are indicated along the top of the display grid The previous figure shows the trigger point with the delay time horizontal position set to 400 µs The delay time number tells you how far the time reference point is locate...

Page 91: ... to operating the delayed sweep in analog oscilloscopes 1 Connect a signal to the oscilloscope and obtain a stable display 2 Press Menu Zoom 3 Press the Zoom softkey To change the sweep speed for the Zoom sweep window turn the sweep speed knob As you turn the knob the sweep speed is highlighted in the status line above the waveform display area The area of the main display that is expanded is inte...

Page 92: ...f The Horizontal knobs control the size and position of the Zoom sweep The delay value is momentarily displayed in the upper right portion of the display when the horizontal position knob is turned Time div for main sweep Time div for Zoom sweep Delay time momentarily displays when the horizontal position knob is turned Select main or Zoom sweep Zoom sweep window Main sweep window These markers de...

Page 93: ...ot affect the sweep speed When the horizontal mode is set to Zoom the delay controls the position of the Zoom sweep window inside the main sweep display This delay value is independent of sampling interval and sweep speed To change the sweep speed for the main sweep window press the Main softkey then turn the sweep speed knob For information about using Zoom mode for measurements refer to Chapter ...

Page 94: ... plotted on the X axis and Channel 2 amplitude is plotted on the Y axis You can use XY mode to compare frequency and phase relationships between two signals XY mode can also be used with transducers to display strain versus displacement flow versus pressure volts versus current or voltage versus frequency Use the cursors to make measurements on XY mode waveforms For more information about using XY...

Page 95: ...ode Set the cursors to measure voltage and time Normal or display the binary or hexadecimal logic value of the displayed waveforms Source selects a channel or math function for the cursor measurements X Y Select either the X cursors or the Y cursors for adjustment with the Entry knob X1 and X2 adjust horizontally and normally measure time Y1 and Y2 adjust vertically and normally measure voltage X1...

Page 96: ...lable for measurements If you choose an invalid source channel for a measurement the measurement will default to the nearest in the list that makes the source valid If a portion of the waveform required for a measurement is not displayed or does not display enough resolution to make the measurement the result will be displayed with a message such as greater than a value less than a value not enoug...

Page 97: ...the label display on or off 1 Press the Label key on the front panel This turns on display labels for the analog and digital channels When the Label key is illuminated the labels for displayed channels are displayed at the left edge of the displayed traces The figure below shows an example of the default labels assigned when you turn the label display on The channel labels default to their channel...

Page 98: ...ignment The figure above shows the list of channels and their default labels The channel does not have to be turned on to have a label assigned to it 3 Press the Library softkey then turn the Entry knob or successively press the Library softkey to select a predefined label from the library 4 Press the Apply New Label softkey to assign the label to your selected channel 5 Repeat the above procedure...

Page 99: ...on the highlight on any character in the label name by successively pressing the Enter softkey 5 To delete a character from the label press the Enter softkey until the letter you want to delete is highlighted then press the Delete Character softkey 6 When you are done entering characters for the label press the Apply New Label softkey to assign the label to the selected channel When you define a n...

Page 100: ...Explorer press Utility File Explorer Label List Management When you press the Library softkey you will see a list of the last 75 labels used The list does not save duplicate labels Labels can end in any number of trailing digits As long as the base string is the same as an existing label in the library the new label will not be put in the library For example if label A0 is in the library and you m...

Page 101: ...tus line and softkeys to a USB printer Press the Print key labeled Quick Print on older models then press the Press to Print softkey You can stop printing by pressing the Cancel Print softkey For more information on printing see Printing the oscilloscope s display on page 316 CAUTION Pressing the Default Library softkey will remove all user defined labels from the library and set the labels back t...

Page 102: ... and time or to view the current date and time 1 Press Utility Options Clock 2 Press the Year Month Day Hour or Minute softkey and rotate the Entry knob to set to the desired number The hours are shown in the 24 hour format So 1 00 PM is hour 13 The real time clock only allows selection of valid dates If a day is selected and the month or year is changed so the day is invalid the day is automatica...

Page 103: ... any of the images shown in the list or can display a user defined text string If User is selected press the Spell softkey to select the first character of the text string Use the Entry knob to choose a character Then press the Enter softkey to advance to the next character and repeat the process The resultant string is displayed in the Text line above the softkeys NOTE The Screen Saver is disable...

Page 104: ...xpand and select Ground or Center When you change a channel s volts division setting the waveform display can be set to expand or compress about the signal ground level or the center of the display Expand About Ground The displayed waveform will expand about the position of the channel s ground This is the default setting The ground level of the signal is identified by the position of the ground l...

Page 105: ...mbient temperature is 10 C from the calibration temperature If you want to maximize the measurement accuracy The amount of use environmental conditions and experience with other instruments help determine if you need shorter User Cal intervals User Cal performs an internal self alignment routine to optimize the signal path in the oscilloscope The routine uses internally generated signals to optimi...

Page 106: ... switch to UNPROTECTED 2 Connect short 12 inch maximum equal length cables to each analog channel s BNC connector on the front of the oscilloscope You will need two equal length cables for a 2 channel oscilloscope or four equal length cables for a 4 channel oscilloscope Use 50Ω RG58AU or equivalent BNC cables when performing User Cal For a 2 channel oscilloscope connect a BNC tee to the equal leng...

Page 107: ...IG OUT connector on the rear panel to the BNC barrel connector 2 Press the Utility key then press the Service softkey 3 Begin the Self Cal by pressing the Start User Cal softkey 4 When the User Cal is completed set the rear panel CALIBRATION switch to PROTECTED User Cal Status Pressing Utility Service User Cal Status displays the summary results of the previous User Cal and the status of probe cal...

Page 108: ...operating properly It is recommended you run Self Test after experiencing abnormal operation for additional information to better describe an oscilloscope failure to verify proper operation after the oscilloscope has been repaired Successfully passing Self Test does not guarantee 100 of the oscilloscope s functionality Self Test is designed to provide an 80 confidence level that the oscilloscope i...

Page 109: ...trument setup AMS Automotive Serial Decode This license provides serial decode of CAN and LIN buses FPG Xilinx FPGA Dynamic Probe This license provides internal FPGA visibility and quick instrument setup FRS FlexRay Serial Decode This license provides serial decode of FlexRay buses LSS Low Speed Serial Decode This license provides serial decode of I2C and SPI buses memXM Memory Upgrade This licens...

Page 110: ...e 0 s delay center time reference Vertical Analog Channel 1 on 5 V div scale DC coupling 0 V position 1 MΩ impedance probe factor to 1 0 if an AutoProbe probe is not connected to the channel Trigger Edge trigger Auto sweep mode 0 V level channel 1 source DC coupling rising edge slope 60 ns holdoff time Display Vectors on 33 grid intensity infinite persistence off Other Acquire mode normal Run Stop...

Page 111: ...s 115 To display digital channels using AutoScale 116 Interpreting the digital waveform display 118 To switch all digital channels on or off 119 To switch groups of channels on or off 119 To switch a single channel on or off 119 To change the displayed size of the digital channels 120 To reposition a digital channel 120 To change the logic threshold for digital channels 121 To display digital chan...

Page 112: ...e the oscilloscope powered on because no voltage appears at the probes 2 Connect the digital probe cable to the D15 D0 connector on the rear panel of the mixed signal oscilloscope The digital probe cable is indexed so you can connect it only one way You do not need to power off the oscilloscope 3 Route the cable under the oscilloscope and bring it out in front Lay the two sections of the digital c...

Page 113: ...g careful not to pinch the cable 4 Connect the ground lead on each set of channels each pod using a probe grabber The ground lead improves signal fidelity to the oscilloscope ensuring accurate measurements 5 Connect a grabber to one of the probe leads Other probe leads are omitted from the figure for clarity Circuit Ground Channel Pod Ground Grabber ...

Page 114: ...gital Signals 6 Connect the grabber to a node in the circuit you want to test 7 For high speed signals connect a ground lead to the probe lead connect a grabber to the ground lead and attach the grabber to ground in the circuit under test Signal Lead Ground Lead Grabber ...

Page 115: ...p or Single to run the oscilloscope the oscilloscope examines the input voltage at each input probe When the trigger conditions are met the oscilloscope triggers and displays the acquisition For digital channels each time the oscilloscope takes a sample it compares the input voltage to the logic threshold If the voltage is above the threshold the oscilloscope stores a 1 in sample memory otherwise ...

Page 116: ...fore pressing any other key This is useful if you have unintentionally pressed the AutoScale key or do not like the settings AutoScale has selected This will return the oscilloscope to its previous settings For information about how AutoScale works see page 312 To set the instrument to the factory default configuration press the Save Recall key then press the Default Setup softkey Example Install ...

Page 117: ...ies Oscilloscope User s Guide 117 configuration by pressing the Save Recall key then the Default Setup softkey Then press the AutoScale key You should see a display similar to the following Figure 12 AutoScale of digital channels 0 1 MSO models only ...

Page 118: ...indicator is displayed in the status line at the bottom of the display A digital channel can be always high always low or actively toggling logic states Any channel that is turned off will be grayed out in the activity indicator Threshold level Waveform size Turn individual channels on off Turn groups of channels on off Threshold menu key Sweep speed div Delay time Trigger type and source Trigger ...

Page 119: ...ll have to push the D15 Thru D0 key twice to switch the digital channels off The first push displays the Digital Channel Menu and the second push switches the channels off To switch groups of channels on or off 1 Press the D15 Thru D0 key on the front panel if the Digital Channel Menu is not already displayed 2 Press the Turn off or Turn on softkey for the D15 D8 group or the D7 D0 group Each time...

Page 120: ... symbol or the down symbol on the Digital Position key which is located below the Digital Select and D15 Thru D0 keys This moves the displayed channel up or down When two or more channels are displayed at the same vertical position the channel label will be D When you select this position a pop up will appear showing a list of the overlaid channels Use the Digital Select key to select the desired ...

Page 121: ...ital channels 121To change the logic threshold for digital channels 121set applies to all channels within the selected D15 Thru D8 or D7 Thru D0 group Each of the two channel groups can be set to a different threshold if desired Values greater than the set threshold are high H and values less than the set threshold are low L If the Thresholds softkey is set to User press the User softkey for the c...

Page 122: ...us2 softkey to switch it on Use the softkey to the right and the Entry knob to select individual channels to be included in the bus You can also press the Select Deselect D15 D8 and Select Deselect D7 D0 softkeys to include or exclude groups of eight channels in each bus If the bus display is blank completely white or if the display includes you need to expand the horizontal scale to allow space f...

Page 123: ...splay Using cursors to read bus values To read the digital bus value at any point using the cursors 1 Switch on Cursors by pressing the Cursor key on the front panel 2 Press the cursor Mode softkey and change the mode to Hex or Binary 3 Press the Source softkey and select Bus1 or Bus2 Bus values can be shown i n hex or binary ...

Page 124: ...ere you want to read the bus values When you press the D15 Thru D0 key to display the Digital Channel Menu the digital activity indicator is shown where the cursor values were and the bus values at the cursors are displayed in the graticule Bus values Bus values at cursors shown here Set mode to Binary or Hex Select Bus1 or Bus2 source X1 cursor X2 cursor ...

Page 125: ...n will be displayed in the bus value when the bus value can not be displayed as a hex value This occurs when one or more don t cares X are combined with high H and low L logic levels in the pattern specification or when a transition indicator rising edge or falling edge are included in the pattern specification A byte that consists of all don t cares X will be displayed in the bus as a don t care ...

Page 126: ...126 6000 Series Oscilloscope User s Guide 3 Viewing and Measuring Digital Signals ...

Page 127: ...g 140 To use Pulse Width triggering 142 To use Pattern triggering 145 To use CAN triggering 148 To use Duration triggering 152 To use I2C triggering 164 To use Nth Edge Burst triggering 170 To use LIN triggering 172 To use Sequence triggering 175 To use SPI triggering 182 To use TV triggering 187 To use UART RS232 triggering 199 To use USB triggering 204 To use FlexRay triggering 155 The Trigger O...

Page 128: ...these oscilloscopes you can Modify the way the oscilloscope acquires data Set up simple or complex trigger conditions as needed to capture only the sequence of events you want to examine Triggering Features Trigger modes Auto Normal Coupling DC AC low frequency rejection Noise rejection High frequency rejection Holdoff Trigger Level External Trigger input Trigger types Edge slope Pulse width glitc...

Page 129: ... and select Trigger from the Main Menu NOTE Adding options such as the Low Speed Serial LSS or Automotive Serial AMS serial decode feature to the oscilloscope will add more trigger features to the relevant trigger types I2 C and SPI or CAN and LIN Adding option FRS FlexRay serial decode will add FlexRay to the trigger types See Using Serial Decode on page 271 for more information ...

Page 130: ...y Think of the trigger event as dividing acquisition memory into a pre trigger and post trigger buffer The position of the trigger event in acquisition memory is defined by the time reference point and the delay horizontal position setting To select the Mode and Coupling menu Press the Mode Coupling key in the Trigger section of the front panel Figure 13 Acquisition Memory Trigger Event Post Trigg...

Page 131: ... trigger buffer It starts searching for a trigger after the pre trigger buffer is filled and continues to flow data through this buffer while it searches for the trigger While searching for the trigger the oscilloscope overflows the pre trigger buffer the first data put into the buffer is the first pushed out FIFO When a trigger is found the pre trigger buffer will contain the events that occurred...

Page 132: ... flashing If the acquisition was initiated by Run Stop the process repeats If the acquisition was initiated by pressing Single then the acquisition stops and you can Pan and Zoom the waveform In either Auto or Normal mode the trigger may be missed completely under certain conditions This is because the oscilloscope will not recognize a trigger event until the pre trigger buffer is full Suppose you...

Page 133: ...orm Low frequency reject removes any unwanted low frequency components from a trigger waveform such as power line frequencies that can interfere with proper triggering Use this coupling to get a stable edge trigger when your waveform has low frequency noise TV coupling is normally grayed out but is automatically selected when TV trigger is enabled in the Trigger More menu Note that Trigger Couplin...

Page 134: ...own in the Holdoff softkey Holdoff sets the amount of time that the oscilloscope waits before re arming the trigger circuitry Use Holdoff to stabilize the display of complex waveforms To get a stable trigger on the pulse burst shown below set the holdoff time to be 200 ns but 600 ns By setting the Holdoff you can synchronize triggers The oscilloscope will trigger on one edge of the waveform and ig...

Page 135: ...crossing The correct holdoff setting is typically slightly less than one period Set the holdoff to this time to generate a unique trigger point This action works even though many waveform periods pass between triggers because the holdoff circuit operates on the input signal continuously Changing the time base settings does not affect the holdoff number In contrast the holdoff in analog oscilloscop...

Page 136: ... Ext Trig 2 Channel oscilloscope External Trigger input External Trigger Probe Settings You can set external trigger probe parameters as described below 1 Press the Mode Coupling key in the Trigger section of the front panel 2 Press the External softkey to display the external trigger probe menu Probe Attenuation Turn the Entry knob to set the attenuation factor displayed in the Probe softkey for ...

Page 137: ...ave selectable external trigger input impedance The impedance can be set to either 1M Ohm or 50 Ohm by pressing the Imped softkey The input impedance of 100 MHz bandwidth models is fixed at 1M Ω 50 Ohm mode matches 50 ohm cables commonly used in making high frequency measurements This impedance matching gives you the most accurate measurements since reflections are minimized along the signal path ...

Page 138: ...r level will reflect the measurement units you have selected 4 Channel oscilloscope External Trigger input Input Impedance The external trigger input impedance for the 4 channel oscilloscope is approximately 2 14 kΩ 1 015 kΩ on 100 MHz bandwidth models Input Voltage The input voltage sensitivity is 500 mV from DC to 500 MHz DC to 100 MHz on 100 MHz bandwidth models The input voltage range is 15 V ...

Page 139: ...quence trigger SPI Serial Peripheral Interface trigger TV trigger USB Universal Serial Bus trigger Changes to the trigger specification are applied when you make them If the oscilloscope is stopped when you change a trigger specification the oscilloscope will use the new specification when you press Run Stop or Single If the oscilloscope is running when you change a triggering specification it use...

Page 140: ...ling edge and can be set to alternating edges or either edge on all sources except Line The trigger type source and level are displayed in the upper right corner of the display 1 Press the Edge key in the Trigger section of the front panel to display the Edge trigger menu 2 Press the Slope softkey and select rising edge falling edge alternating edges or either edge The selected slope is displayed ...

Page 141: ...ning the Trigger Level knob The position of the trigger level for the analog channel is indicated by the trigger level icon if the analog channel is on at the far left side of the display when DC coupling is selected The value of the analog channel trigger level is displayed in the upper right corner of the display The trigger level for a selected digital channel is set using the threshold menu in...

Page 142: ...adjustable This trigger is synchronized with the power line supplied to the oscilloscope To use Pulse Width triggering Pulse Width glitch triggering sets the oscilloscope to trigger on a positive or negative pulse of a specified width If you want to trigger on a specific timeout value use Duration trigger in the Trigger More menu 1 Press the Pulse Width key in the Trigger section of the front pane...

Page 143: ...ity softkey to select positive or negative polarity for the pulse width you want to capture The selected pulse polarity is displayed in the upper right corner of the display A positive pulse is higher than the current trigger level or threshold and a negative pulse is lower than the current trigger level or threshold When triggering on a positive pulse the trigger will occur on the high to low tra...

Page 144: ...alifier with minimum difference of 5 ns between upper and lower settings qualifier time set softkey When the less than qualifier is selected the Entry knob sets the oscilloscope to trigger on a pulse width less than the time value displayed on the softkey When the time range qualifier is selected the Entry knob sets the upper time range value qualifier time set softkey When the greater than qualif...

Page 145: ...panel to display the Pattern trigger menu 2 For each analog or digital channel you want to include in the desired pattern press the Channel softkey to select the channel This is the channel source for the H L X or edge condition As you press the Channel softkey or rotate the Entry knob on mixed signal oscilloscopes the channel you select is highlighted in the Pattern line directly above the softke...

Page 146: ...l X sets the pattern to don t care on the selected channel Any channel set to don t care is ignored and is not used as part of the pattern However if all channels in the pattern are set to don t care the oscilloscope will not trigger The rising edge or falling edge softkey sets the pattern to an edge on the selected channel Only one rising or falling edge can be specified in the pattern When an ed...

Page 147: ...he Digit softkey and rotate the Entry knob to select a digit of the selected bus 4 Press the Hex softkey and rotate the Entry knob to select a value for the digit 5 You can use the Set all Digits softkey to set all digits to a particular value When a hex bus digit contains one or more don t care X bits and one or more bit with a value or 0 or 1 the sign will be displayed for the digit For informat...

Page 148: ...l CAN_L and connect the negative lead to the dominant high CAN signal CAN_H The CAN trigger will trigger on the Start of Frame SOF bit of a data frame If the N5424A CAN LIN Automotive Triggering and Decode option is installed on your oscilloscope the following additional CAN trigger types will also be available Remote Frame ID RTR Data Frame ID RTR Remote or Data Frame ID Data Frame ID and Data Er...

Page 149: ...ess and hold the softkey in question to display the built in help for this subject Data Frame ID RTR The oscilloscope will trigger on data frames matching the specified ID Press the Bits softkey to select the ID Remote or Data Frame ID The oscilloscope will trigger on remote or data frames matching the specified ID Press the Bits softkey to select the ID Data Frame ID and Data The oscilloscope wil...

Page 150: ... 4 Press the Source softkey to select the channel connected to the CAN signal line As you repeatedly press the Source softkey or rotate the Entry knob the CAN label for the source channel is automatically set and the channel you select is shown in the upper right corner of the display next to CAN Adjust the trigger level for the selected analog channel by turning the Trigger Level knob Press the D...

Page 151: ... where the state of the bus is measured This controls the point within the bit s time where the bit value is captured You can use the Zoom mode for easier navigation of the decoded data 10 kb s 50 kb s 100 kb s 500 kb s 20 kb s 62 5 kb s 125 kb s 800 kb s 33 3 kb s 83 3 kb s 250 kb s 1 Mb s One Bit 60 70 80 Sample Point NOTE If the setup does not produce a stable trigger the CAN signal may be slow...

Page 152: ... or digital channel you want to include in the desired pattern press the Channel softkey to select the channel This is the channel source for the H L or X condition As you press the Channel softkey or rotate the Entry knob on mixed signal oscilloscopes the channel you select is highlighted in the Pattern line directly above the softkeys and in the upper right corner of the display next to Dur Exte...

Page 153: ...e channel s trigger level or threshold level X sets the pattern to don t care on the selected channel Any channel set to don t care is ignored and is not used as part of the pattern If all channels in the pattern are set to don t care the oscilloscope will not trigger 4 Press the Qualifier softkey to set the time duration qualifier for the pattern The time qualifier can set the oscilloscope to tri...

Page 154: ...try knob sets the oscilloscope to trigger on a pattern duration greater than the time value displayed on the softkey When the within time range qualifier is selected the Entry knob sets the lower time range value When the out of time range qualifier is selected the Entry knob sets the upper time range value When Timeout qualifier is selected the Entry knob sets the timeout value When the duration ...

Page 155: ...e VPT1000 connection Modes of VPT1000 Control Operation The oscilloscope and VPT1000 can be used in one of three ways Oscilloscope controls the VPT1000 asynchronous mode monitoring LAN connection required Oscilloscope controls the VPT1000 synchronous mode monitoring LAN connection required PC controls the VPT1000 When the oscilloscope controls the VPT1000 the system is a standalone time correlated...

Page 156: ...nalysis measurements on the PC and time correlated FlexRay measurements on the oscilloscope s display Setting Up the Oscilloscope and the VPT1000 Connecting the Oscilloscope and the VPT1000 Connect the MSO communication cable supplied with the VPT1000 between the VPT1000 and the oscilloscope s digital channels connector If the oscilloscope will control the VPT1000 they must also be connected via a...

Page 157: ...enu 2 Enter the VPT1000 s 4 byte IP address a Press the Value softkey and use the Entry knob to select a byte value b Press the Next softkey to access the next byte 3 When you have finished entering the IP address press the Apply softkey This is sufficient for connection via a hub or switch If the oscilloscope is connected directly to the VPT1000 in a point to point configuration the following add...

Page 158: ...000 s Press the Apply softkey 5 Press the Modify softkey twice Set the oscilloscope s Subnet mask to 255 255 240 0 Press the Apply softkey 6 Press the Modify softkey twice Set the oscilloscope s Gateway IP to 192 168 80 1 Press the Apply softkey Selecting the VPT1000 Control Operating Mode 1 In the VPT1000 Menu see Accessing the VPT1000 Menu on page 156 press the Mode softkey to select one of thes...

Page 159: ...tion between the VPT1000 and the oscilloscope you must make a LAN connection to allow the oscilloscope to control the VPT1000 See also Specifying the VPT1000 LAN Address on page 157 NOTE If the VPT1000 loses synchronization then press the Mode key in the VPT1000 Menu on the oscilloscope to cycle through the modes and restore synchronization NOTE Before powering off the oscilloscope change the VPT1...

Page 160: ... Trigger Menu on page 160 press the Trigger softkey and use the Entry knob to select Frame 2 Press the Frames softkey to access the FlexRay Frame Trigger Menu 3 Press the Cyc Ct Rep softkey and use the Entry knob to select the cycle count repeat value from 2 4 8 16 32 or 64 4 Press the Cyc Ct Bas softkey and use the Entry knob to select the cycle count base value from 0 through the Cyc Ct Rep valu...

Page 161: ...uled slot numbers and segments not actual frame contents 1 In the FlexRay Trigger Menu see Accessing the FlexRay Trigger Menu on page 160 press the Trigger softkey and use the Entry knob to select Time 2 Press the Time softkey to access the FlexRay Time Trigger Menu 3 Press the Cyc Ct Rep softkey and use the Entry knob to select the cycle count repeat value from 2 4 8 16 32 or 64 NOTE Since specif...

Page 162: ...o select the slot type All Slots the oscilloscope triggers on slots regardless of whether they contain a frame Empty Slots the oscilloscope triggers when a slot does not contain a frame Usually used to determine if an assigned slot is empty when it should have contained a frame Triggering on FlexRay Errors 1 In the FlexRay Trigger Menu see Accessing the FlexRay Trigger Menu on page 160 press the T...

Page 163: ...n elements have been received within one slot Null Frame Error null frame received within dynamic segment synchronous monitoring mode only Sync or Startup Error sync bit or startup bit set within dynamic segment synchronous monitoring mode only Frame ID Error mismatch between internal and received slot ID synchronous monitoring mode only Cycle Count Error mismatch between internal and received cyc...

Page 164: ...ge an EEPROM data read or on a read write frame with a specific device address and data value 1 Press the More key in the Trigger section of the front panel rotate the Entry knob until I2 C is displayed in the Trigger softkey then press the Settings softkey to display the I2 C trigger menu NOTE For I2C decode setup see page 272 Signals menu Trigger on condition Address Data 2 value Trigger level o...

Page 165: ...yed in the upper right corner of the display 4 Choose 7 bit or 8 bit address size Use 8 bit address size to include the R W bit as part of the address value or choose 7 bit address size to exclude the R W bit from the address value 5 Connect an oscilloscope channel to the SDA serial data line in the circuit under test then set the SDA data channel softkey to that channel As you press the SDA softk...

Page 166: ...h to low while the SCL clock is high For triggering purposes including frame triggers a restart is treated as a start condition Stop Condition The oscilloscope triggers when data SDA transitions from low to high while the clock SCL is high Missing Acknowledge The oscilloscope triggers when SDA data is high during any Ack SCL clock bit Address with no Ack The oscilloscope triggers when the acknowle...

Page 167: ...for the Ack bit after the data byte This data byte does not need to occur directly after the control byte Frame Start Addr7 Read Ack Data or Frame Start Addr7 Write Ack Data The oscilloscope triggers on a read or write frame in 7 bit addressing mode on the 17th clock edge if all bits in the pattern match For triggering purposes a restart is treated as a start condition SDA SCL Read Ack Ack R Data ...

Page 168: ...loscope triggers on a 10 bit write frame on the 26th clock edge if all bits in the pattern match The frame is in the format Frame Start Address byte 1 Write Address byte 2 Ack Data For triggering purposes a restart is treated as a start condition 7 If you have set the oscilloscope to trigger on an EEPROM Data Read condition SCL SDA Stop Condition Trigger point 26th clock edge Ack Ack Ack Start Con...

Page 169: ...s You can select from an address range of 0x00 to 0x7F 7 bit or 0x3FF 10 bit hexadecimal When triggering on a read write frame the oscilloscope will trigger after the start address read write acknowledge and data events occur If don t care is selected 0xXX or 0xXXX for the address the address will be ignored The trigger will always occur on the 17th clock for 7 bit addressing or 26th clock for 10 ...

Page 170: ...occurs after an idle time Nth Edge Burst trigger set up consists of selecting the source the slope of the edge the idle time and the number of the edge 1 Press the More key in the Trigger section of the front panel rotate the Entry knob until Nth Edge Burst is displayed in the Trigger softkey 2 Press the Settings softkey to display the Nth Edge Burst trigger menu Trigger Idle Time ...

Page 171: ...ress the Idle softkey then turn the Entry knob to specify the idle time 5 Press the Edge softkey then turn the Entry knob to which edge to trigger on Assign channels Slope of edge Idle time select Trigger level or threshold Currently selected Clock Framing or Data channel Nth Edge Burst trigger Return to previous menu Nth edge select ...

Page 172: ... the rising edge at the Sync Break exit of the LIN single wire bus signal that marks the beginning of the message frame If the N5424A CAN LIN Automotive Triggering and Decode option is installed on your oscilloscope the Frame ID trigger type will also be available A LIN signal message frame is shown below NOTE For LIN decode information see page 288 Sync Break Exit Sync Break Sync Field Identifier...

Page 173: ...e to trigger on Sync Break or Frame ID Sync Sync Break The oscilloscope will trigger on the rising edge at the Sync Break exit of the LIN single wire bus signal that marks the beginning the message frame ID Frame ID The oscilloscope will trigger when a frame with an ID equal to the selected value is detected Use the Entry knob to select the value for the Frame ID Signal baud rate Trigger on condit...

Page 174: ...right corner of the display 6 Press the Baud softkey to set the LIN signal baud rate to match your LIN bus signal The LIN baud rate can be set to 2400 b s 9600 b s 10 4 kb s 19 2 kb s 115 2 kb s or 625 kb s The default baud rate is 2400 b s 7 Press the Smpl Pt softkey to select the sample point at which the oscilloscope will sample the bit value 8 Press the Standard softkey to select the LIN stand...

Page 175: ...ge from a single channel the combination of a pattern and a channel edge or the nth occurrence of an edge from a single channel 3 Set an optional reset event If you choose to define a reset event the event can be a pattern an edge from a single channel the combination of a pattern and a channel edge or a timeout value Figure 14 Sequence Trigger Flowchart To access the sequence trigger settings pre...

Page 176: ...itions for the sequence trigger these settings will be shown in the waveform area of the display Channel select Stage select Find Trigger on or Reset condition Define term Trigger level or threshold Sequence trigger Return to previous menu Select term Selected channel Sequence stage definitions Term definitions ...

Page 177: ...dition 3 To define the term s used in the Find stage press the Term softkey and select the pattern and or edge term displayed in the Find softkey 4 If you select a pattern term each channel in the pattern must be set to a H high L low or X don t care a Press the Channel softkey or rotate the Entry knob on mixed signal oscilloscopes to select the channel As you select a channel the channel is highl...

Page 178: ...rotate the Entry knob on mixed signal oscilloscopes to select the channel As you select a channel the channel is highlighted in the selected pattern list shown in the waveform area b Then press the X softkey to select rising edge or falling edge All other channels will be defaulted to don t care X If you want to reassign an edge to a different channel repeat the above step The value of the origina...

Page 179: ...lloscopes to select the channel b Press the L H X softkey to set a level for the channel c Repeat for all channels in the pattern 5 If you select an edge term one channel must be set to a rising edge or a falling edge All other channel edges will be set to don t care X a Press the Channel softkey or rotate the Entry knob on mixed signal oscilloscopes to select the channel The channel you select is...

Page 180: ...u can define for the Reset on stage The Reset on stage can be set to one of the following conditions No Reset Resets on the find condition Pattern 1 or 2 Entered A pattern is entered on the last edge that makes the pattern true logical AND Pattern 1 or 2 Exited A pattern is exited on the first edge that makes the pattern false logic NAND Edge 1 or 2 Pattern 1 and Edge 1 Timeout Terms that are gray...

Page 181: ...ess the X softkey to select rising edge or falling edge All other channel edges will be defaulted to don t care 7 If you select the Timeout term you will need to set a timeout value a Press the Term softkey and select Timeout b Press the Timeout softkey then turn the Entry knob to set the timeout value Timeout can be set from 10 ns to 10 seconds The timer starts when the Find condition has been me...

Page 182: ...om 4 to 32 bits long When you press the Settings softkey a graphic will be displayed showing the current state of the frame signal clock slope number of data bits and data bit values Press the Signals softkey in the Settings menu to see the current source channels for the clock data and frame signals Press the More key in the Trigger section of the front panel rotate the Entry knob until SPI is di...

Page 183: ...sign channels databits in string Data bit select Set all data bits to value Trigger level or threshold Currently selected Clock Framing or Data channel SPI trigger Return to previous menu Data bit value Data string values Graphic showing current state of the SPI trigger setup ...

Page 184: ...own in the upper right corner of the display next to SPI Adjust the trigger level for the selected analog channel by turning the Trigger Level knob Press the D15 Thru D0 key and select Thresholds to set the threshold level for digital channels The value of the trigger level or digital threshold is displayed in the upper right corner of the display 3 Press the slope softkey to select rising edge or...

Page 185: ...he display next to SPI Adjust the trigger level for the selected analog channel by turning the Trigger Level knob Press the D15 Thru D0 key and select Thresholds to set the threshold level for digital channels The value of the trigger level or digital threshold is displayed in the upper right corner of the display 5 Press the Frame by softkey to select a framing signal that the oscilloscope will u...

Page 186: ...omatically set and the channel you select is shown in the upper right corner of the display next to SPI When you press the Frame by softkey the graphic shown on the previous page changes to show timeout selection or the current state of the chip select signal Adjust the trigger level for the selected analog channel by turning the Trigger Level knob Press the D15 Thru D0 key and select Thresholds t...

Page 187: ...the Bit softkey As you rotate the Entry knob the bit is highlighted in the Data string shown in the waveform area 3 Press the L H X softkey to set the bit selected in the Bit softkey to L low H high or X don t care Repeat steps 2 and 3 to assign values for all bits Resetting all bits in the serial data string to one value To reset all of the bit values in the serial data string to one value L H or...

Page 188: ...y to trigger on any selected line of the video signal 1 Press the More key in the Trigger section of the front panel If TV is not selected rotate the Entry knob until TV is displayed in the Trigger softkey then press the Settings softkey to display TV trigger menu 2 Press the Source softkey and select any analog channel as the TV trigger source Source channel Sync polarity TV Standard Line TV Mode...

Page 189: ...V trigger modes available are Field1 and Field2 Trigger on the rising edge of the first serration pulse of field 1 or field 2 interlaced standards only All Fields Trigger on the rising edge of the first pulse in the vertical sync interval not available in Generic mode All Lines Trigger on all horizontal sync pulses Provide Correct Matching Many TV signals are produced from 75 Ω sources To provide ...

Page 190: ...ration pulse or approximately 70 µs after the start of vertical sync whichever occurs first only available in Generic mode Count Vertical Counts falling edges of sync pulses triggers on the selected count number only available in Generic mode 6 If you select a line mode press the Line softkey then rotate the Entry knob to select the line number on which you want to trigger 7 When using the Generic...

Page 191: ...ield NTSC 1 to 263 1 to 262 1 to 262 PAL 1 to 313 314 to 625 1 to 312 PAL M 1 to 263 264 to 525 1 to 262 SECAM 1 to 313 314 to 625 1 to 312 Generic 1 to 1024 1 to 1024 1 to 1024 vertical Line Number Represents Count In Generic mode the line number represents the number of a count instead of a real line number This is reflected in the label in the softkey changing from Line to Count In the Mode sof...

Page 192: ...ey to select the appropriate TV standard NTSC 3 Press the Mode softkey and select the TV field of the line you want to trigger on You can choose Line Field1 Line Field2 or Line Alternate 4 Press the Line softkey and select the number of the line you want to examine Figure 15 Example Triggering on Line 136 Alternate Triggering If Line Alternate is selected the oscilloscope will alternately trigger ...

Page 193: ... all sync pulses When All Lines is selected as the TV trigger mode the oscilloscope will trigger on all horizontal sync pulses 1 Press the Trigger More key then press the TV softkey 2 Press the Settings softkey then press the Standard softkey to select the appropriate TV standard 3 Press the Mode softkey and select All Lines Figure 16 Triggering on All Lines ...

Page 194: ...rleaved standards When a specific field is selected the oscilloscope triggers on the rising edge of the first serration pulse in the vertical sync interval in the specified field 1 or 2 1 Press the Trigger More key then press the TV softkey 2 Press the Settings softkey then press the Standard softkey to select the appropriate TV standard 3 Press the Mode softkey and select Field1 or Field2 Figure ...

Page 195: ...ansitions between fields or to find the amplitude differences between the fields use the All Fields trigger mode 1 Press the Trigger More key then press the TV softkey 2 Press the Settings softkey then press the Standard softkey to select the appropriate TV standard 3 Press the Mode softkey and select All Fields Figure 18 Triggering on All Fields ...

Page 196: ...ttings softkey then press the Standard softkey to select the appropriate TV standard 3 Press the Mode softkey and select Field1 or Field2 The trigger circuits look for the position of the start of Vertical Sync to determine the field But this definition of field does not take into consideration the phase of the reference subcarrier When Field 1 is selected the trigger system will find any field wh...

Page 197: ... softkey and use the Entry knob to adjust the holdoff in half field increments until the oscilloscope triggers on only one phase of the color burst A quick way to synchronize to the other phase is to briefly disconnect the signal and then reconnect it Repeat until the correct phase is displayed When holdoff is adjusted using the TV Holdoff softkey and the Entry knob the corresponding holdoff time ...

Page 198: ...holdoff time Figure 20 Using TV Holdoff to Synchronize to Color Field 1 or 3 Field 1 mode Standard Time NTSC 8 35 ms PAL 10 ms PAL M 10 ms SECAM 10 ms Generic 8 35 ms EDTV 480p 60 8 35 ms HDTV 720p 60 8 35 ms HDTV 1080p 24 20 835 ms HDTV 1080p 25 20 ms HDTV 1080i 50 10 ms HDTV 1080i 60 8 35 ms ...

Page 199: ...mended Standard 232 is one example of a UART protocol 1 Press the More key in the Trigger section of the front panel Rotate the Entry knob until UART RS232 is displayed in the Trigger softkey 2 Press the Settings softkey to display the UART RS232 trigger menu NOTE For UART RS232 decode setup see page 300 Define Bus Trigger Setup Trigger level or threshold Currently selected Rx or Tx channel UART R...

Page 200: ...scopes the channel you select is shown in the upper right corner of the display next to URT 5 Make sure the trigger or threshold levels are set to the middle of the signal For analog channels turn the Trigger Level knob For digital channels press the D15 D0 key and the Thresholds softkey to access the threshold level setting softkeys The value of the trigger level or digital threshold is displayed...

Page 201: ... the desired trigger condition Rx Start Bit The oscilloscope triggers when a start bit occurs on Rx Rx Stop Bit Triggers when a stop bit occurs on Rx The trigger will occur on the first stop bit This is done automatically whether the target system uses 1 1 5 or 2 stop bits You do not need to specify the number of stop bits used by the target system Rx Data Triggers on a data byte that you specify ...

Page 202: ...condition that includes Data in its description for example Rx Data then press the Data is softkey and choose an equality qualifier You can choose equal to not equal to less than or greater than a specific data value 12 Use the Data softkey to choose the data value for your trigger comparison This works in conjunction with the Data is softkey 13 Optional The Burst softkey lets you trigger on the N...

Page 203: ...Triggering the Oscilloscope 4 6000 Series Oscilloscope User s Guide 203 15 Remember to set the trigger mode to Normal press Mode Coupling Mode Normal to prevent Auto Triggering ...

Page 204: ...ob until USB is displayed in the Trigger softkey then press the Settings softkey to display USB trigger menu 2 Press the Speed softkey to select the speed of the transaction being probed You may select Low Speed 1 5 Mb s or Full Speed 12 Mb s 3 Press the D and D softkeys to select the channel connected to the USB signal D and D lines The D and D labels for the source channels are automatically set...

Page 205: ...lds to set the threshold level for digital channels The value of the trigger level or digital threshold is displayed in the upper right corner of the display 4 Press the Trigger softkey to select where the USB trigger will occur SOP Start of Packet triggers at the Sync bit at the beginning of the packet EOP End of Packet triggers at the end of the SE0 portion of the EOP RC Reset Complete triggers ...

Page 206: ...igger on a front panel source analog channel or the external input of a 2 channel oscilloscope In this mode the TRIG OUT BNC is connected to the output of the trigger comparator The output level is 0 580 mV into an open circuit and 0 290 mV into 50 Ω The maximum frequency output is 350 MHz due to the bandwidth limitation of the TRIG OUT BNC amplifier This selection is useful for driving an externa...

Page 207: ... the acquisition you can perform all of the measurements and math functions after the acquisition Measurements and math functions will be recalculated as you pan and zoom and turn channels on and off As you zoom in and out on a signal using the horizontal sweep speed knob and vertical volts division knob you affect the resolution of the display Because measurements and math functions are performed...

Page 208: ...common use of the XY display mode by measuring the phase difference between two signals of the same frequency with the Lissajous method 1 Connect a sine wave signal to channel 1 and a sine wave signal of the same frequency but out of phase to channel 2 2 Press the AutoScale key press the Menu Zoom key then press the XY softkey 3 Center the signal on the display with the channel 1 and 2 position kn...

Page 209: ...r s Guide 209 Figure 21 Example of centering a signal on the display Figure 22 Signal centered on the display 4 Press the Cursors key 5 Set the Y2 cursor to the top of the signal and set Y1 to the bottom of the signal A B D C Signal must becenteredin X ...

Page 210: ...he Y value at the bottom of the display In this example we are using the Y cursors but you could have used the X cursors instead Figure 23 Cursors set on displayed signal 6 Move the Y1 and Y2 cursors to the intersection of the signal and the Y axis Again note the Y value ...

Page 211: ... the X axis input channel 2 is the Y axis input and channel 4 or the External trigger on 2 channel models is the Z axis input If you only want to see portions of the Y versus X display use the Z axis input Z axis turns the trace on and off analog oscilloscopes called this Z axis blanking because it turned the beam on and off When Z is low 1 4 V Y versus X is displayed when Z is high 1 4 V the trac...

Page 212: ...212 6000 Series Oscilloscope User s Guide 5 Making Measurements Figure 25 Signals are 90 out of phase Figure 26 Signals are in phase ...

Page 213: ...e Waveform Math Menu 2 Press the Function sofkey and use the Entry knob or keep pressing the Function sofkey to select the desired math function After selecting a math function softkeys for changing that math function s settings appear in the Waveform Math Menu Math Operating Hints If the analog channel or math function is clipped not fully displayed on screen the resulting displayed math function...

Page 214: ...rn the Entry knob to rescale or change the offset value for your math function Math Scale and Offset are Set Automatically Any time the currently displayed math function definition is changed the function is automatically scaled for optimum vertical scale and offset If you manually set scale and offset for a function select a new function then select the original function the original function wil...

Page 215: ...ng or offset for the multiply function Scale lets you set your own vertical scale factors for multiply expressed as V2 div Volts squared division A2 div Amps squared division or W div Watts division or Volt Amps division Units are set in the channel Probe menu Press the Scale softkey then turn the Entry knob to rescale 1 2 Offset lets you set your own offset for the multiply math function The offs...

Page 216: ...6000 Series Oscilloscope User s Guide 5 Making Measurements The figure below shows an example of multiply Figure 27 Multiply Channel 1 Channel 2 1 2 waveform 1 2 Scale 1 2 Offset Math Function Math Function ...

Page 217: ...ath key press the 1 2 softkey then press the Scale or Offset sofkeys if you want to change the scaling or offset for the subtract function Scale lets you set your own vertical scale factors for subtract expressed as V div Volts division or A div Amps division Units are set in the channel Probe menu Press the Scale softkey then turn the Entry knob to rescale 1 2 Offset lets you set your own offset ...

Page 218: ...218 6000 Series Oscilloscope User s Guide 5 Making Measurements The figure below shows an example of subtract Figure 28 Subtract Channel 1 Channel 2 1 2 waveform 1 2 Scale 1 2 Offset ...

Page 219: ...ere d differential waveform y channel 1 2 or function 1 2 1 2 and 1 2 data points i data point index t point to point time difference In Zoom horizontal mode the d dt function does not display in the zoomed portion of the display 1 Press the Math key press the d dt softkey then press the Source Scale or Offset sofkeys if you want to change the source scaling or offset for the differentiate functio...

Page 220: ...l grid line of the display Press the Offset softkey then turn the Entry knob to change the offset for d dt A scale unit of U undefined will be displayed for scale and offset when 1 2 or 1 2 is the selected source if channel 1 and channel 2 are set to dissimilar units in the channel Probe Units softkey The figure below shows an example of differentiate Figure 29 Differentiate Channel 1 d dt wavefor...

Page 221: ...ou want to change the source scaling or offset for the integrate function Source selects the source for dt The source can be any analog channel or math functions 1 2 1 2 and 1 2 Scale lets you set your own vertical scale factors for dt expressed in unit seconds division where units can be V Volts A Amps or W Watts Units are set in the channel Probe menu Press the Scale softkey then turn the Entry ...

Page 222: ...222 6000 Series Oscilloscope User s Guide 5 Making Measurements Figure 30 Integrate and Signal Offset Channel 1 dt waveform dt Scale dt Offset Source select Channel 1 dt waveform 0 V 0 V ...

Page 223: ...s 0 dBV is the amplitude of a 1 Vrms sinusoid When the FFT source is channel 1 or channel 2 or channel 3 or 4 on 4 channel models FFT units will be displayed in dBV when channel units is set to Volts and channel impedance is set to 1 MΩ FFT units will be displayed in dBm when channel units is set to Volts and channel impedance is set to 50Ω FFT units will be displayed as dB for all other FFT sourc...

Page 224: ...g figure illustrates aliasing This is the spectrum of a 990 Hz square wave which has many harmonics The FFT sample rate is set to 100 kSa s and the oscilloscope displays the spectrum The displayed waveform shows the components of the input signal above the Nyquist frequency to be mirrored aliased on the display and reflected off the right edge Figure 31 Aliasing Since the frequency span goes from ...

Page 225: ...f Signal Analysis at http cp literature agilent com litweb pdf 5952 8898E pdf FFT Operation 1 Press the Math key then press the FFT softkey to display the softkeys for FFT settings Source selects the source for the FFT The source can be any analog channel or math functions 1 2 1 2 and 1 2 Span sets the overall width of the FFT spectrum that you see on the display left to right Divide span by 10 to...

Page 226: ...ximum available frequency is half the effective FFT sample rate which is a function of the time per division setting The current FFT sample rate is displayed above the softkeys 2 Press the More FFT softkey to display additional FFT settings Window selects a window to apply to your FFT input signal Hanning window for making accurate frequency measurements or for resolving two frequencies that are c...

Page 227: ...maximum minimum and average dB measurements on the FFT waveform You can also find the frequency value at the first occurrence of the waveform maximum by using the X at Max measurement The following FFT spectrum was obtained by connecting the front panel Probe Comp signal 1 2 kHz to channel 1 Set sweep speed to 5 ms div vertical sensitivity to 500 mV div Units div to 10 dBV Offset to 34 0 dBV Cente...

Page 228: ...an to increase the display resolution As frequency span is decreased the number of points shown is reduced and the display is magnified While the FFT spectrum is displayed use the Math and Cursors keys to switch between measurement functions and frequency domain controls in FFT menu Decreasing the effective sampling rate by selecting a slower sweep speed will increase the low frequency resolution ...

Page 229: ...the input signal is near full screen but not clipped Use the Flat Top window Set the FFT sensitivity to a sensitive range such as 2 dB division For best frequency accuracy on peaks Use the Hanning window Use Cursors to place an X cursor on the frequency of interest Adjust frequency span for better cursor placement Return to the Cursors menu to fine tune the X cursor For more information on the use...

Page 230: ...oot expressed as V1 2 div Volts square root division A1 2 div Amps square root division or W1 2 div Watts square root division or Volt Amps square root division Units are set in the channel Probe menu Press the Scale softkey then turn the Entry knob to rescale square root Offset lets you set your own offset for the multiply math function The offset value is in V1 2 Volts square root A1 2 Amps squa...

Page 231: ...Making Measurements 5 6000 Series Oscilloscope User s Guide 231 The figure below shows an example of square root Figure 33 Square Root Channel 1 waveform Scale Offset Source select ...

Page 232: ... the cursor is off screen its value will not be changed and if you pan the waveform back again it will have the cursor in the original place To make cursor measurements A brief description of how to make cursor measurements is given on page 95 The following steps guide you through using the front panel Cursors key You can use the cursors to make custom voltage or time measurements on the signal 1 ...

Page 233: ...vel 0 lower than trigger level indeterminate state or X don t care In binary mode X is displayed if the channel is turned off In hex mode the channel is interpreted as a 0 if turned off 3 Press the Source softkey to select the analog channel or math source on which the Y cursors will indicate measurements The source in Normal cursor mode can be any analog channel or math source If you select binar...

Page 234: ... indicate time relative to the trigger point for all sources except math FFT frequency is indicated In XY horizontal mode the X cursors display channel 1 values Volts or Amps The cursor values for the selected waveform source are displayed within the X1 and X2 softkeys The difference between X1 and X2 X and 1 X are displayed on the dedicated line above the softkeys or in the display area when some...

Page 235: ...st the X1 and X2 cursors together by turning the Entry knob The X value will remain the same since the cursors adjust together You can adjust the X cursors together to check for pulse width variations in a pulse train Y1 Y2 Press this softkey to adjust the Y1 and Y2 cursors together by turning the Entry knob The Y value will remain the same since the cursors adjust together ...

Page 236: ...6 6000 Series Oscilloscope User s Guide 5 Making Measurements Cursor Examples Figure 34 Cursors measure pulse widths other than middle threshold points Figure 35 Cursors measure frequency of pulse ringing ...

Page 237: ...7 Expand the display with zoom sweep then characterize the event of interest with the cursors Figure 36 Cursors track zoom sweep Put the X1 cursor on one side of a pulse and the X2 cursor on the other side of the pulse Figure 37 Measuring pulse width with cursors ...

Page 238: ...illoscope User s Guide 5 Making Measurements Press the X1 X2 softkey and move the cursors together to check for pulse width variations in a pulse train Figure 38 Moving the cursors together to check pulse width variations ...

Page 239: ...ollowing automatic measurements can be made in the Quick Meas menu Time Measurements Counter Duty Cycle Frequency Period Rise Time Fall Time Width Width X at Max X at Min Phase and Delay Phase Delay Voltage Measurements Average Amplitude Base Maximum Minimum Peak to Peak RMS Std Deviation Top ...

Page 240: ...n stopped waveforms when you are panning and zooming Cursors are turned on to show the portion of the waveform being measured for the most recently selected measurement right most on the measurement line 1 Press the Quick Meas key to display the automatic measurement menu 2 Press the Source softkey to select the channel or running math function on which the quick measurements will be made Only cha...

Page 241: ...nt settings on some measurements 6 Press the Measure softkey to make the measurement 7 To turn off Quick Meas press the Quick Meas key again until it is not illuminated To set measurement thresholds Setting measurement thresholds defines the vertical levels where measurements will be taken on an analog channel or math waveform 1 Press the Thresholds softkey in the Quick Meas menu to set analog cha...

Page 242: ... middle value to be more than the lower value The default lower threshold is 10 or 800 mV If threshold Type is set to the lower threshold value can be set from 5 to 93 5 Press the Middle softkey then turn the Entry knob to set the middle measurement threshold value The middle value is bounded by the values set for lower and upper thresholds The default middle threshold is 50 or 1 20 V Source selec...

Page 243: ... measurement thresholds are 10 50 and 90 between Top and Base values See To set measurement thresholds on page 241 for other percentage threshold and absolute value threshold settings The following figure shows time measurement points FFT measurements When you make an X at Max or X at Min measurement on a math FFT function the resultant units will be in Hertz No other time related automatic measur...

Page 244: ... panel BNC and the gate time is 1 second 50 ms div sweep speed or greater See To supply a sample clock to the oscilloscope on page 336 The hardware counter uses the trigger comparator output Therefore the counted channel s trigger level or threshold for digital channels must be set correctly The Y cursor shows the threshold level used in the measurement Any channel except Math can be selected as t...

Page 245: ... the measurement is not possible in the zoom mode then the main time base is used If the waveform is clipped it may not be possible to make the measurement Table 15 Isolating event for Frequency measurement Period Period is the time period of the complete waveform cycle The time is measured between the middle threshold points of two consecutive like polarity edges A middle threshold crossing must ...

Page 246: ...asurement accuracy set the sweep speed as fast as possible while leaving the complete rising edge of the waveform on the display The Y cursors show the lower and upper threshold points Width Width is the time from the middle threshold of the rising edge to the middle threshold of the next falling edge The X cursors show the pulse being measured The Y cursor shows the middle threshold point Width W...

Page 247: ...may vary throughout the waveform The X cursor shows where the current X at Min value is being measured Delay and Phase Measurements Delay Delay measures the time difference from the selected edge on source 1 and the selected edge on source 2 closest to the trigger reference point at the middle threshold points on the waveforms Negative delay values indicate that the selected edge of source 1 occur...

Page 248: ...1 to the rising edge of channel 2 2 Press the Measure Delay softkey to make the measurement The following example shows a delay measurement between the rising edge of channel 1 and the rising edge of channel 2 Figure 39 Delay Measurement Phase Phase is the calculated phase shift from source 1 to source 2 expressed in degrees Negative phase shift values indicate that the rising edge of source 1 occ...

Page 249: ...from channel 1 to channel 2 The example below shows a phase measurement between the channel 1 and the math d dt function on channel 1 Figure 40 Phase Measurement Voltage Measurements Measurement units for each input channel can be set to Volts or Amps using the channel Probe Units softkey A scale unit of U undefined will be displayed for math function 1 2 and for d dt Source 1 Source 2 Delay Perio...

Page 250: ...ge measurements may be made on other math functions The resultant units are FFT 1 2 1 2 d dt dt dB decibels V2 A2 or W Volt Amp V Volts or A Amps V s or A s V second A second Vs or As V seconds or A seconds When the FFT source is channel 1 2 3 or 4 FFT units will be displayed in dBV when channel units is set to Volts and channel impedance is set to 1 MΩ FFT units will be displayed in dBm when chan...

Page 251: ... is being measured Base The Base of a waveform is the mode most common value of the lower part of the waveform or if the mode is not well defined the base is the same as Minimum The Y cursor shows the value being measured Maximum Maximum is the highest value in the waveform display The Y cursor shows the value being measured Minimum Minimum is the lowest value in the waveform display The Y cursor ...

Page 252: ...DC component removed It is useful for example for measuring power supply noise The standard deviation of a measurement is the amount that a measurement varies from the mean value The Mean value of a measurement is the statistical average of the measurement The following figure graphically shows the mean and standard deviation Standard deviation is represented by the Greek letter sigma σ For a Gaus...

Page 253: ...e x the mean N the number of measurements taken xi the ith measurement result The standard deviation is calculated as follows where σ the standard deviation N the number of measurements taken xi the ith measurement result x the mean 2s mean 1s 1s 2s 68 3 3s 95 4 99 7 0 3s x xi i 1 N N σ xi x 2 i 1 N N 1 ...

Page 254: ...e of the upper part of the waveform or if the mode is not well defined the top is the same as Maximum The Y cursor shows the value being measured To isolate a pulse for Top measurement The following figure shows how to use zoom sweep to isolate a pulse for a Top measurement Figure 41 Isolating area for Top measurement ...

Page 255: ...ich edge is being measured edge closest to the trigger reference point Digital channel time measurements Automatic measurements Preshoot and Overshoot are not valid measurements for the math FFT function or for digital channels on the mixed signal oscilloscope Rising edge preshoot Base D local Minimum Amplitude X 100 Falling edge preshoot local Maximum D Top Amplitude X 100 local Maximum local Min...

Page 256: ...ssed as a percentage of Amplitude The X cursors show which edge is being measured edge closest to the trigger reference point Figure 42 Automatic Overshoot measurement Rising edge overshoot local Maximum D Top Amplitude X 100 Falling edge overshoot Base D local Minimum Amplitude X 100 local Maximum Overshoot Overshoot local Minimum Top Base ...

Page 257: ...the intensity to view signal detail 263 Acquisition Modes 265 Using Serial Decode 271 To decode I2C data 272 To decode SPI data 276 To decode CAN data 281 To decode LIN data 288 To decode FlexRay data 294 To decode UART RS232 data 300 To reduce the random noise on a signal 307 To capture glitches or narrow pulses with peak detect and infinite persistence 309 How AutoScale Works 312 ...

Page 258: ...ther by including the ability to further examine the signal details after acquiring them by panning and zooming through the waveform There is no limit imposed on the zoom ratio between the sweep speed used to acquire the data and the sweep speed used to view the data There is however a useful limit This useful limit is somewhat a function of the signal you are analyzing In normal display mode with...

Page 259: ... waveform expansion reference point When you change a channel s volts division setting the waveform display can be set to expand or compress about the signal ground level or the center of the display Expand About Ground The displayed waveform will expand about the position of the channel s ground This is the default setting The ground level of the signal is identified by the position of the ground...

Page 260: ...ch it off If you need to switch Antialiasing off press Utilities Options Preferences and press the Antialiasing softkey to switch the feature off The displayed waveforms will be more susceptible to aliasing Using the XGA video output A standard XGA video output connector is provided on the rear panel You can connect a monitor to provide a larger display or to provide a display at a viewing positio...

Page 261: ...intensity Waveform persistence is not kept beyond the display area boundary Use infinite persistence to measure noise and jitter to see the worst case extremes of varying waveforms to look for timing violations or to capture events that occur infrequently To use infinite persistence to display multiple repetitive events 1 Connect a signal to the oscilloscope 2 Press the Display key then press Pers...

Page 262: ...iewed much like an analog oscilloscope trace even when the detail is just a small number of pixels in size The oscilloscope switches vectors on whenever the acquisition system stops Digital channels on the mixed signal oscilloscope are not affected by the Display menu They are always displayed with peak detect and vectors on They also only contain one trigger worth of information Accumulating mult...

Page 263: ...intensity information with vectors on Turn vectors off when highly complex or multivalued waveforms are displayed Turning vectors off may aid the display of multivalued waveforms such as eye diagrams Having vectors on does not slow down the display rate Varying the intensity to view signal detail The Intensity knob lets you adjust the plotted waveforms to account for various signal characteristics...

Page 264: ...264 6000 Series Oscilloscope User s Guide 6 Displaying Data Figure 43 Amplitude Modulation with Noise Shown at 100 Intensity Figure 44 Amplitude Modulation with Noise Shown at 40 Intensity ...

Page 265: ...r on in the Normal Peak Detect and High Resolution modes At Slower Sweep Speeds At slower sweep speeds the sample rate drops because the acquisition time increases and the oscilloscope s digitizer is sampling faster than is required to fill memory For example suppose an oscilloscope s digitizer has a sample period of 1 ns maximum sample rate of 1 GSa s and a 1 M memory depth At that rate memory is...

Page 266: ...oother trace on the screen and effectively increase vertical resolution High Resolution mode averages sequential sample points within the same acquisition together An extra bit of vertical resolution is produced for every factor of 4 averages The number of extra bits of vertical resolution is dependent on the time per division setting sweep speed of the scope The slower the sweep speed the greater...

Page 267: ...acquisitions together to reduce noise and increase vertical resolution at all sweep speeds Averaging requires a stable trigger The number of averages can be set from 1 to 65536 in powers of 2 increments A higher number of averages reduces noise more and increases vertical resolution The higher the number of averages the slower the displayed waveform responds to waveform changes You must compromise...

Page 268: ...s the Acq Mode softkey until the Averaging mode is selected 2 Press the Avgs softkey and turn the Entry knob to set the number of averages that best eliminates the noise from the displayed waveform The number of acquisitions being averaged is displayed in the Avgs softkey Figure 45 Random noise on the displayed waveform ...

Page 269: ...such as eye diagrams Realtime sampling can be turned on in Normal Peak Detect or High Resolution acquisition modes It cannot be turned on when the acquisition mode is Averaging When Realtime sampling is on as in the default setup When less than 1000 samples can be collected in the time spanned by the screen a sophisticated reconstruction filter is used to fill in and enhance the waveform display I...

Page 270: ...is 4 GSa s for a single channel in a channel pair Channels 1 and 2 constitute a channel pair and channels 3 and 4 constitute another channel pair For example the sample rate of a 4 channel oscilloscope is 4 GSa s when channels 1 and 3 1 and 4 2 and 3 or 2 and 4 are on Whenever both channels in a channel pair are on the sample rate for all channels is halved For example when channels 1 2 and 3 are ...

Page 271: ...des the ability to trigger on and decode FlexRay automotive serial busses See page 155 for FlexRay triggering information The N5457A Option 232 license provides the ability to decode many UART Universal Asynchronous Receiver Transmitter protocols including RS232 Recommended Standard 232 Adding the Automotive Serial AMS serial decode license will add more CAN and LIN trigger types to the trigger me...

Page 272: ... the I2C serial decode mode a Press the Acquire key b Press the Serial Decode softkey c In the Serial Decode Menu press the Mode softkey d Use the Entry knob or repeatedly press and release the Mode softkey to select the I2 C serial decode mode NOTE Because of oscilloscope hardware resource limitations you cannot decode I2C data while LIN triggering is selected NOTE For I2 C triggering setup see p...

Page 273: ... turn the Trigger Level knob For digital channels press the D15 Thru D0 key and the Thresholds softkey to access the threshold level setting softkeys 4 If the decode line does not appear on the display press the up arrow softkey to return to the previous menu then press the Decode softkey to turn it on 5 If the oscilloscope is stopped press the Run Stop key to acquire and decode data NOTE If you h...

Page 274: ...de for easier navigation of the acquired data Interpreting Decoded I2 C Data NOTE If the setup does not produce a stable trigger the I2C signal may be slow enough that the oscilloscope is AutoTriggering Press the Mode Coupling key then press the Mode softkey to set the trigger mode from Auto to Normal ...

Page 275: ...resses appear in yellow along with the R character Restart addresses appear in green along with the S character Data values appear in white and may extend beyond the frame if an idle period follows A indicates Ack low A indicates No Ack high Red dots in the decode line indicate that more data can be displayed Scroll or expand the horizontal scale to view the data Aliased bus values undersampled or...

Page 276: ...ecode Menu press the Mode softkey d Use the Entry knob or repeatedly press and release the Mode softkey to select the SPI serial decode mode NOTE Because of oscilloscope hardware resource limitations you cannot decode SPI data while CAN or LIN triggering is selected NOTE For SPI triggering setup see page 182 Display decode Decode mode Signal setup menu Return to previous menu SPI word size ...

Page 277: ...reshold levels have already been specified and you can continue on with step 4 Changing SPI signals in the Serial Decode setup also changes them in the Trigger setup Clock signal Clock edge Data signal Frame signal value Trigger level or threshold Currently selected Clock Framing or Data channel SPI trigger Return to previous menu Frame by option Data string trigger value Graphic showing current s...

Page 278: ...ignal If you chose framing by clock timeout press the Timeout softkey and use the Entry knob to specify the idle time 3 For the SPI signals make sure the trigger or threshold levels are set to the middle of the signals For analog channels turn the Trigger Level knob For digital channels press the D15 Thru D0 key and the Thresholds softkey to access the threshold level setting softkeys 4 Press the ...

Page 279: ...dle bus Blue rectangles show an active bus inside a packet frame The number of clocks in a frame appears in light blue above the frame to the right Decoded hexadecimal data values appear in white and may extend beyond the frame if an idle period follows Red dots in the decode line indicate that there is data that is not being displayed Scroll or expand the horizontal scale to view the information ...

Page 280: ...280 6000 Series Oscilloscope User s Guide 6 Displaying Data Aliased bus values undersampled or indeterminate are drawn in red Unknown bus values undefined or error conditions are drawn in red ...

Page 281: ... page 127 You can use CAN trigger or another trigger type 3 Select the CAN serial decode mode a Press the Acquire key b Press the Serial Decode softkey c In the Serial Decode Menu press the Mode softkey d Use the Entry knob or repeatedly press and release the Mode softkey to select the CAN serial decode mode NOTE For CAN triggering setup see page 148 Display decode Decode mode Signal setup menu Re...

Page 282: ...nel for the CAN signal Make sure the trigger or threshold levels are set to the middle of the CAN signal 6 Repeatedly press and release the Baud softkey to specify the CAN signal baud rate 7 Repeatedly press and release the Smpl Pt softkey to select the point between phase segments 1 and 2 where the state of the Signal Source Baud rate Sample Point Trigger level Currently selected channel Return t...

Page 283: ... If the decode line does not appear on the display press the Decode softkey to turn it on 11 If the oscilloscope is stopped press the Run Stop key to acquire and decode data You can use the Zoom horizontal sweep mode for easier navigation of the decoded data One Bit 60 70 80 Sample Point NOTE Changing the Source settings in the Serial Decode setup also changes them in the Trigger setup NOTE If the...

Page 284: ...in blue Data bytes appear in hex digits in white for data frames Cyclic redundancy check CRC appears in hex digits in blue when valid or in red to indicate that the oscilloscope s hardware decode calculated a CRC that is different from the incoming CRC data stream White lines show an idle bus Blue rectangles show an active bus inside a packet frame Decoded hexadecimal data values may extend beyond...

Page 285: ...xpand the horizontal scale to view the information Aliased bus values undersampled or indeterminate are drawn in red Unknown bus values undefined or error conditions are drawn in red with a label Flagged error frames are drawn in red with an ERR label Missing Acknowledge red CRC blue Data white Data Length Code blue Frame ID yellow Active Error Frame red ...

Page 286: ... data or remote frame and issues an active error flag A partial frame occurs when the oscilloscope detects any error condition during a frame that is not followed by an active error flag Partial frames are not counted Counters The FRAMES counter gives the total number of completed remote data overload and active error frames The OVLD counter gives the total number of completed overload frames and ...

Page 287: ...Displaying Data 6 6000 Series Oscilloscope User s Guide 287 Overload Frame Count and Percent Error Frame Count and Percent BusUtilization Percentage Total Frame Count ...

Page 288: ...de softkey to select the LIN serial decode mode 2 Choose whether to include the parity bits in the identifier field a If you want to mask the upper two parity bits ensure that the box under the Show Parity softkey is not selected b If you want to include the parity bits in the identifier field ensure that the box under the Show Parity softkey is selected NOTE For LIN triggering setup see page 172 ...

Page 289: ... LIN signal a Press the Settings softkey to access the LIN Signals Menu LIN signal source LIN baud rate Signal sample point Sync Break selection Trigger level or threshold Currently selected channel LIN trigger Return to previous menu LIN standard selection Decoded LIN data ...

Page 290: ... 2 0 of the measured signal For LIN 1 2 signals use the LIN 1 3 setting The LIN 1 3 setting assumes the signal follows the Table of Valid ID Values as shown in section A 2 of the LIN Specification dated December 12 2002 If your signal does not comply with the table use the LIN 2 0 setting f Repeatedly press and release the Sync Break softkey to define the minimum number of clocks that define a Syn...

Page 291: ... Stop key to acquire and decode data You can use the Zoom horizontal sweep mode for easier navigation of the decoded data NOTE Changing the Trigger settings in the Serial Decode setup also changes them in the Trigger setup NOTE If the setup does not produce a stable trigger the LIN signal may be slow enough that the oscilloscope is AutoTriggering Press the Mode Coupling key then press the Mode sof...

Page 292: ...292 6000 Series Oscilloscope User s Guide 6 Displaying Data Interpreting Decoded LIN Data ...

Page 293: ...orrect The checksum always appears in white for LIN 2 0 Red dots in the decode line indicate that there is data that is not being displayed Scroll or expand the horizontal scale to view the information Unknown bus values undefined or error conditions are drawn in red If there is an error in the synch field SYNC will appear in red If the header exceeds the length specified in the standard THM will ...

Page 294: ...scilloscope on page 127 You can use FlexRay trigger or another trigger type such as duration I2 C Nth edge burst sequence SPI or USB For FlexRay triggering set up see Triggering on FlexRay Frames Times or Errors on page 160 3 Select the FlexRay serial decode mode a Press the Acquire key b Press the Serial Decode softkey c In the Serial Decode Menu press the Mode softkey d Use the Entry knob or rep...

Page 295: ...pear on the display press the Decode softkey to turn it on The VPT1000 must be connected and running in asynchronous or synchronous mode for a meaningful display 5 If the oscilloscope is stopped press the Run Stop key to acquire and decode data You can use the Zoom horizontal sweep mode for easier navigation of the decoded data NOTE Changing the VPT1000 settings in the Serial Decode Menu also chan...

Page 296: ... decode display Frame type NORM SYNC SUP NULL in blue Frame ID decimal digits in yellow Payload length decimal number of words in green Header CRC hex digits in blue plus red HCRC error message if invalid Cycle number decimal digits in yellow Data bytes HEX digits in white Frame CRC hex digits in blue plus red CRC error message if invalid Frame coding errors specific error symbol in red Frame ID y...

Page 297: ... in orange dynamic DS in green Symbol in yellow Idle NIT network idle time in white Segment number decimal digits in orange static or green dynamic Cycle number CYC decimal digits in yellow Timing errors specific error symbol in red Static segment orange Time Schedule Decode Scheduled cycle number yellow Dynamic segment green Slot number static orange Slot number dynamic green ...

Page 298: ... efficiency The totalizer is running counting frames and calculating percentages even when the oscilloscope is stopped not acquiring data The totalizer appears on screen whenever FlexRay Decode is ON in the Serial Decode Menu When an overflow condition occurs the counter displays OVERFLOW The counters can be reset to zero by pressing the Reset FlexRay Counters softkey ...

Page 299: ... The FRAMES counter gives a real time count of all received frames The NULL counter gives the number and percentage of null frames The SYNC counter gives the number and percentage of sync frames Null Frame Count and Percent Total Frame Count Sync Frame Count and Percent ...

Page 300: ...softkey d Use the Entry knob or repeatedly press and release the Mode softkey to select the UART RS232 serial decode mode if it is not already selected NOTE Because of oscilloscope hardware resource limitations you cannot decode UART RS232 data while CAN LIN or FlexRay triggering is selected NOTE For UART RS232 triggering setup see page 199 Display decode Decode mode Signal setup menu Return to pr...

Page 301: ... the Signals softkey and select the oscilloscope channels that you have connected to the Rx and Tx signals NOTE Changing UART RS232 signals in the Serial Decode setup also changes them in the Trigger setup Define Signal Channels Define Bus Display base Trigger level or threshold Currently selected channel UART RS232 trigger Return to previous menu Framing value Decoded data ...

Page 302: ...s presented after the start bit in the signal from your target system For RS232 select LSB 5 Press the Return to previous menu up arrow softkey 6 Press the Base softkey to select the base hex binary or ASCII in which decoded words are displayed When displaying words in ASCII the 7 bit ASCII format is used Valid ASCII characters are between 0x00 and 0x7F To display in ASCII you must select at least...

Page 303: ...he Thresholds softkey to access the threshold level setting softkeys 9 If the decode line does not appear on the display press the up arrow key to return to the previous menu then press the Decode softkey to turn on serial decode 10 If the oscilloscope is stopped press the Run Stop key to acquire and decode data You can use the Zoom horizontal sweep mode for easier navigation of the acquired data ...

Page 304: ...en including the 9th bit The 9th bit is displayed on the left When a data word value is selected for framing it is displayed in light blue When using 9 bit data words the 9th bit will also be displayed in light blue The displayed contents of a data word may extend beyond the associated rectangle if the timebase setting is too slow and an idle period follows When the horizontal scale setting does n...

Page 305: ...ta 6 6000 Series Oscilloscope User s Guide 305 An unknown undefined bus is shown in red A parity error will cause the associated data word to be shown in red which includes the 5 8 data bits and the optional 9th bit ...

Page 306: ...s running counting frames and calculating the percentage of error frames even when the oscilloscope is stopped not acquiring data The ERR error counter is a count of Rx and Tx frames with parity errors The TX FRAMES and RX FRAMES counts include both normal frames and frames with parity errors When an overflow condition occurs the counter displays OVERFLOW The counters can be reset to zero by press...

Page 307: ...nnect a signal to the oscilloscope and obtain a stable display 2 Remove the noise from the trigger path by turning on high frequency rejection HF reject low frequency rejection LF reject or noise rejection see the following pages 3 Use averaging see page 267 to reduce noise on the displayed waveform HF Reject High frequency reject HF reject adds a low pass filter with the 3 dB point at 50 kHz HF r...

Page 308: ...se from the trigger path Press Mode Coupling Coupling LF Reject Noise rejection Noise reject increases the trigger hysteresis band By increasing the trigger hysteresis band you reduce the possibility of triggering on noise However this also decreases the trigger sensitivity so that a slightly larger signal is required to trigger the oscilloscope Press Mode Coupling HF Reject 3 dB down point Pass B...

Page 309: ...rrow as compared to the waveform Peak detect mode can be used to more easily view glitches or narrow pulses In peak detect mode narrow glitches and sharp edges are displayed more brightly than when in Normal acquire mode making them easier to see To characterize the glitch use the cursors or the automatic measurement capabilities of the oscilloscope Figure 47 15 ns Narrow Pulse 20 ms div Normal Mo...

Page 310: ...etect is selected 3 Press the Display key then press the Persist infinite persistence softkey Infinite persistence updates the display with new acquisitions but does not erase previous acquisitions New sample points are shown at normal intensity while previous acquisitions are displayed in gray at lower intensity Waveform persistence is not kept beyond the display area boundary Press the Clear Dis...

Page 311: ... the glitch with zoom sweep a Press the Menu Zoom key then press the Zoom softkey b To obtain a better resolution of the glitch expand the time base c Use the horizontal position knob to pan through the waveform to set the expanded portion of the main sweep around the glitch ...

Page 312: ... for the first valid waveform starting with external trigger then continuing with the highest number analog channel down to the lowest number analog channel and finally if the oscilloscope is an MSO the highest number digital channel During AutoScale the delay is set to 0 0 seconds the sweep speed setting is a function of the input signal about 2 periods of the triggered signal on the screen and t...

Page 313: ...e turned on will be examined for signal activity This is useful if you only want to view specific active channels after pressing AutoScale Preserving the Acquisition Mode During AutoScale The acquisition mode is normally switched to Normal when AutoScale is performed AutoScale can be set to leave the acquisition mode unchanged if you prefer this option Choose Normal to make the oscilloscope switch...

Page 314: ...314 6000 Series Oscilloscope User s Guide 6 Displaying Data ...

Page 315: ...r saved data 321 Selecting a file name 322 Waveform Trace and Oscilloscope Setup 324 Display Image and Waveform Data File Formats 324 Choosing save settings 325 To save a waveform and or setup to a USB device 327 To save a waveform and or setup to the oscilloscope s internal memory 327 To recall waveform trace and or oscilloscope setup 328 File explorer 328 To use the file explorer 330 Secure Envi...

Page 316: ...nserve printer ink you can invert the graticule colors so that the background is white instead of black The Print Configuration menu is displayed when you press the Print key The print option softkeys and the Press to Print softkey are ghosted not available until a printer is connected NOTE The Print function remembers the screen you were on before you pressed the print key The last menu visited w...

Page 317: ...ges by changing the black background to white Invert Graticule Colors is the default mode Form Feed The Form Feed option can be selected to send a form feed command to the printer after the waveform is printed and before the factors are printed Switch Form Feed off if you want factors printed on the same sheet of paper with the waveform This option only has an effect when the Factors option is sel...

Page 318: ... Deskjet 672C Deskjet 694C Deskjet 840C Deskjet 932C Deskjet 935C Deskjet 952C Deskjet 6940 Deskjet 6980 Deskjet 9800 Officejet 7310 Officejet 7410 PhotoSmart C5180 PhotoSmart C6180 PhotoSmart C7100 PhotoSmart D7160 PhotoSmart D7360 PhotoSmart 8750 The following HP printers will likely work with the oscilloscope but have not been tested for compatibility Deskjet 350C Deskjet 610C 612C Deskjet 630C...

Page 319: ...mart PS7150 PS7350 PS7550 PhotoSmart PS7960 PS7760 PS7660 PS7260 PS7268 PhotoSmart 7400 8100 8400 PhotoSmart 2600 2700 PSC 1100 1200 1300 1310 PSC 2100 2150 2200 2300 2400 2500 2170 PSC 1600 2350 Officejet 5100 6100 6150 7100 4100 4105 4200 5500 9100 Officejet 7200 7300 7400 6200 Apollo P2100 P2150 Apollo P2200 P2250 E Printer e20 Business InkJet 2200 2230 2250 2280 3000 1100 2300 Business InkJet ...

Page 320: ...e is a distinction between print and save print always refers to printing the display to a printer Save means saving data to a USB drive or the oscilloscope s internal memory The following table shows types of data and where the data can be saved Table 17 Saving Oscilloscope Data Type of Data Can be saved to USB drive Oscilloscope s internal memory Oscilloscope setup and waveform trace Yes Yes Dis...

Page 321: ... able to save display image files or waveform data files as described on page 324 unless a USB storage device is connected Rotate the Entry knob to align the selection arrow with C and push the Press to go softkey to select the destination Then rotate the Entry knob to align the arrow with the setups directory and press the Save to softkey to select a file intern_n to be overwritten NOTE The File ...

Page 322: ...a USB device Push the Entry knob to save the image Selecting a file name Overwriting a file You can choose to overwrite an existing file name by browsing to that file and selecting it then choosing Press to Save Creating a new file name 1 Press the File Name softkey in the Save menu You must have a USB storage device connected to the oscilloscope for this softkey to be active 2 Repeatedly turn and...

Page 323: ...elete Character softkey to delete the current character and shift the rest of the characters to the left 5 When you select the Auto Increment option the oscilloscope will add a numeric suffix to your file name and increment the number with each successive save It will truncate characters as necessary when the file name length is at maximum and more digits are required for the numeric portion of th...

Page 324: ...illoscope Display Image and Waveform Data File Formats The data which is displayed on screen is the data that will be saved to the file Display image and waveform data files can be saved on a USB drive but they can not be saved to the oscilloscope s internal memory You can save the display image or waveform data in image BMP PNG or data CSV ASCII BIN ALB file formats Press Save Recall Save Format ...

Page 325: ...s stopped then data records greater than 1000 points can be written ALB data file This creates a file in an Agilent proprietary format which can be read by Agilent logic analyzers Choosing save settings Press Save Recall Save Settings to change the following options These settings are not applicable when the format Trace Setup is selected Factors Select Factors if you want the oscilloscope scale f...

Page 326: ...es are printed in color Color printing is not applicable to CSV format Grayscale When Grayscale printing is selected the traces are printed in shades of gray rather than in color Grayscale printing is not applicable to CSV format Length Control The Length softkey is available when the CSV ASCII XY BIN or ALB formats are selected Length sets the number of data points that will be output to the file...

Page 327: ...ve to file prompt above the Save softkey If you want to change the file name press the File Name softkey See Creating a new file name on page 322 for details 4 Choose a file format using the Format softkey For file format information see Display Image and Waveform Data File Formats on page 324 5 Press the Press to Save softkey To save a waveform and or setup to the oscilloscope s internal memory 1...

Page 328: ...explorer below for more information 5 Press the Press to Recall softkey File explorer The File Explorer lets you navigate the file system Using the File Explorer you can save recall load and delete files File system The user accessible file system consists of ten internal memory locations plus external USB memory devices you connect to the USB device ports on the oscilloscope Internal memory The t...

Page 329: ... inherent in the USB driver A file that has been deleted from the USB mass storage device cannot be recovered by the oscilloscope System software System software files software updates which can be downloaded from www agilent com find mso6000sw can be loaded into the oscilloscope See Software and firmware updates on page 334 for more information NOTE Regarding USB Ports The USB port on the front p...

Page 330: ...port on the front or the rear of the oscilloscope A small four color circle icon may be displayed as the USB device is read 2 Press Utility File Explorer 3 Turn the Entry knob to select the desired file on the USB mass storage device The left most softkey will be labeled Press to go when pointing at a directory that can be selected Location when pointing to a directory that is currently selected a...

Page 331: ...nd trace data are erased when the power is shut off This ensures that any setup waveform and trace data will not be visible to the next user upon power up The clock LAN and GPIB settings are not discarded upon power down To permanently store data you can save it to an external device through one of the oscilloscope s USB ports Once installed secure environment mode can not be disabled Secure envir...

Page 332: ...ase if you have not saved confidential trace or setups on the oscilloscope Order N5427A and return the unit to a Service Center for security license installation After oscilloscope purchase if you have saved confidential trace or setups on the oscilloscope 1 Remove and destroy the acquisition board 2 Purchase and install a new acquisition board 3 Order N5427A and return the unit to a Service Cente...

Page 333: ...MHz reference clock 336 To supply a sample clock to the oscilloscope 336 To synchronize the timebase of two or more instruments 338 To check warranty and extended services status 338 To return the instrument 339 To clean the oscilloscope 339 Digital channel signal fidelity Probe impedance and grounding 340 To replace digital probe leads 345 Binary Data bin 346 Minimum and Maximum Values in CSV Fil...

Page 334: ...e All 6000L Series oscilloscopes are shipped from the factory with maximum memory depth enabled To view the currently installed licenses press Utility Options Features Show license information For information about upgrading your oscilloscope through licensing contact your local Agilent Technologies representative or see www agilent com find mso6000 Software and firmware updates From time to time ...

Page 335: ...ncluding its IP address and hostname can be viewed by pressing Utility I O To change the I O controller settings press the Configure softkey and choose the I O connection type GPIB LAN or USB For instructions on setting up the oscilloscope to run from a controller via LAN GPIB or USB see the Agilent InfiniiVision 6000 Series Oscilloscopes Programmer s Quick Start Guide ...

Page 336: ...ant error can be introduced Using the built in sample clock the oscilloscope s hardware frequency counter is a 5 digit counter Supplying an external timebase reference When you supply an external timebase reference the hardware frequency counter is automatically changed to an 8 digit counter In this case the frequency counter Quick Meas Select Counter is as accurate as the external clock For more ...

Page 337: ...ill continue to acquire data but the lock symbol in the upper right part of the display will become a red unlocked padlock icon If the externally supplied sample clock signal is lost a hard unlock will occur The lock symbol in the upper right part of the display will become a red unlocked padlock icon and the oscilloscope will stop acquiring data The oscilloscope will resume sampling when the exte...

Page 338: ... the other instrument to terminate the signal 3 Press Utility Options Rear Panel Ref Signal 4 Use the Entry Knob and the Ref Signal softkey to select 10 MHz output The oscilloscope will output it s 10 MHz reference signal at TTL levels To check warranty and extended services status To learn the warranty status of your oscilloscope 1 Point your web browser to www agilent com find warrantystatus 2 E...

Page 339: ... service required or failure indication 2 Remove accessories from the oscilloscope Only return accessories to Agilent Technologies if they are associated with the failure symptoms 3 Package the oscilloscope You can use the original shipping container or provide your own materials sufficient to protect the instrument during shipping 4 Seal the shipping container securely and mark it FRAGILE To clea...

Page 340: ... high bandwidths They usually provide some attenuation of the signal to the oscilloscope typically 20 dB Passive probe input impedance is generally specified in terms of a parallel capacitance and resistance The resistance is the sum of the tip resistor value and the input resistance of the test instrument see the following figure The capacitance is the series combination of the tip compensating c...

Page 341: ...mpedance plots for the two models are shown in these figures By comparing the two plots you can see that both the series tip resistor and the cable s characteristic impedance extend the input impedance significantly The stray tip capacitance which is generally small 1 pF sets the final break point on the impedance chart 8 5 pF 100 kW 150 W 1 pF 7 5 pF 100 kW 250 W ...

Page 342: ...round is the low impedance path for current to return to the source from the probe Increased length in this path will at high frequencies create large common mode voltages at the probe input The voltage generated behaves as if this path were an inductor according to the equation Increasing the ground inductance L increasing the current di or decreasing the transition time dt will all result in inc...

Page 343: ...In addition to the common mode voltage longer ground returns also degrade the pulse fidelity of the probe system Rise time is increased and ringing due to the undamped LC circuit at the input of the probe is also increased Because the digital channels display reconstructed waveforms they do not show ringing and perturbations You will not find ground problems through examination of the waveform dis...

Page 344: ... speed timing measurements rise time 3 ns should make use of each digital channel probe s own ground When designing a high speed digital system you should consider designing dedicated test ports that interface directly to the instrument s probe system This will ease measurement setup and ensure a repeatable method for obtaining test data The 01650 61607 16 channel logic probe and termination adapt...

Page 345: ...to release the latch while pulling out the probe lead For other replacement parts consult the InfiniiVision 6000 Series Oscilloscope Service Guide Table 19 Digital Probe Replacement Parts Part Number Description 54620 68701 Digital probe kit 5959 9333 Replacement probe leads qty 5 5959 9335 Replacement 2 inch probe ground lead qty 5 01650 94309 Package of probe labels 54620 61801 16 channel cable ...

Page 346: ...form buffers The minimum value data points are saved first then the maximum value data points are saved Binary Data in MATLAB Binary data from the 6000 Series oscilloscope can be imported to The MathWorks MATLAB You can download the appropriate MATLAB functions from the Agilent Technologies web site at www agilent com find mso6000sw Agilent provides the m files which need to be copied into the wor...

Page 347: ... in the header Waveform Type A 32 bit integer that is the type of waveform stored in the file 0 Unknown 1 Normal 2 Peak Detect 3 Average 4 Not used in 6000 Series oscilloscopes 5 Not used in 6000 Series oscilloscopes 6 Logic Number of Waveform Buffers A 32 bit integer that is the number of waveform buffers required to read the data Points A 32 bit integer that is the number of waveform points in t...

Page 348: ...uration between data points on the X axis For time domain waveforms this is the time between points If the value is zero then no data has been acquired X Origin A 64 bit double that is the X axis value of the first data point in the data record For time domain waveforms it is the time of the first point This value is treated as a double precision 64 bit floating point number If the value is zero t...

Page 349: ...haracter array that is the model number and serial number of the oscilloscope in the format of MODEL SERIAL Waveform Label A 16 byte character array that contains the label assigned to the waveform Time Tags A 64 bit double not used in the 6000 Series oscilloscope Segment Index A 32 bit unsigned integer not used in the 6000 Series oscilloscope ...

Page 350: ...pe of waveform data stored in the file 0 Unknown data 1 Normal 32 bit float data 2 Maximum float data 3 Minimum float data 4 Not used in 6000 Series oscilloscopes 5 Not used in 6000 Series oscilloscopes 6 Digital unsigned 8 bit char data for digital channels Bytes Per Point A 16 bit short that is the number of bytes per data point Buffer Size A 32 bit integer that is the size of the buffer require...

Page 351: ...veform Buffers 1 Buffer Type 1 floating point Bytes per Point 4 Waveform Header 1 140 bytes Waveform Data Header 1 12 bytes Voltage Data 1 buffer size Waveform Header 2 140 bytes Waveform Data Header 2 12 bytes Voltage Data 2 buffer size Waveform Header N 140 bytes Waveform Data Header N 12 bytes Voltage Data N buffer size Number of Waveform Buffers 1 Buffer Type 1 floating point Bytes per Point 4...

Page 352: ...ic channels saved File Header 12 bytes Waveform Header 2 140 bytes Waveform Data Header 1 12 bytes Pod 1 Timing Data buffer size Waveform Data Header 2 12 bytes Pod 2 Timing Data buffer size Number of Waveforms 2 Number of Waveform Buffers 1 Buffer Type 6 unsigned char Bytes per Point 1 Buffer Type 6 unsigned char Bytes per Point 1 Waveform Header 1 140 bytes Number of Waveform Buffers 1 ...

Page 353: ...tal number of samples the oscilloscope will take For measurement data the oscilloscope will decimate the 4000 points to 1000 points that will fit on the display This decimation will not lose track of the min and max values at each of the 1000 horizontal data points and min and max values will be displayed on screen However the oversampled data is also processed to provide a best estimate value at ...

Page 354: ...354 6000 Series Oscilloscope User s Guide 8 Reference ...

Page 355: ...mental Conditions Power Requirements 356 Measurement Category 357 Environmental Conditions 359 Specifications 360 Acknowledgements 360 Contact us 361 This chapter describes the power requirements and environmental conditions appropriate for the Agilent InfiniiVision 6000 Series oscilloscopes ...

Page 356: ...r s Guide 9 Power and Environmental Conditions Power Requirements Line voltage range Line 120 W max 96 144 V 48 440 Hz 192 288 V 48 66 Hz automatic selection Line frequency 50 60 Hz 100 240 VAC 440 Hz 100 132 VAC Power usage 110 W max ...

Page 357: ...erformed on circuits directly connected to the low voltage installation Examples are measurements on household appliances portable tools and similar equipment Measurement category III is for measurements performed in the building installation Examples are measurements on distribution boards circuit breakers wiring including cables bus bars junction boxes switches socket outlets in the fixed instal...

Page 358: ...be CAT I 600 V CAT II 300 V DC peak AC with 10073C 10 1 probe CAT I 500 Vpk CAT II 400 Vpk with 50 Ω input 5 Vrms CAUTION Do not exceed 5 Vrms in 50 Ω mode on the 2 channel models Input protection is enabled in 50 Ω mode and the 50 Ω load will disconnect if greater than 5 Vrms is detected However the input could still be damaged depending on the time constant of the signal The 50 Ω input protectio...

Page 359: ... connected equipment Pollution Degree The 6000 Series Oscilloscope may be operated in environments of Pollution Degree 2 or Pollution Degree 1 Pollution Degree Definitions Pollution Degree 1 No pollution or only dry non conductive pollution occurs The pollution has no influence Example A clean room or climate controlled office environment Pollution Degree 2 Normally only dry non conductive polluti...

Page 360: ...sed under the GNU General Public License Copyright C 2002 2005 RealVNC Ltd All Rights Reserved This is free software you can redistribute it and or modify it under the terms of the GNU General Public License as published by the Free Software Foundation either version 2 of the License or at your option any later version This software is distributed in the hope that it will be useful but WITHOUT ANY...

Page 361: ...ngapore 1 800 375 8100 Taiwan 0800 047 866 Thailand 1 800 226 008 Europe Austria 0820 87 44 11 Belgium 32 0 2 404 93 40 Denmark 45 70 13 15 15 Finland 358 0 10 855 2100 France 0825 010 700 Germany 01805 24 6333 0 14 minute Ireland 1890 924 204 Italy 39 02 92 60 8484 Netherlands 31 0 20 547 2111 Spain 34 91 631 3300 Sweden 0200 88 22 55 Switzerland French 44 21 8113811 Opt 2 Switzerland German 0800...

Page 362: ...362 6000 Series Oscilloscope User s Guide 9 ...

Page 363: ... attenuation probe 87 136 Auto Increment 323 Auto trigger indicator 71 131 auto trigger mode 80 131 Auto trigger indicator 131 automatic measurements 96 239 automatic setup 80 116 AutoProbe 64 70 85 external trigger 137 AutoScale 80 acquisition mode 313 channels 313 digital channels 116 undo 312 autoscale key 73 auto single 79 Average measurement 251 averaging acquire mode 267 268 B bandwidth limi...

Page 364: ...254 delete character 323 delete file 328 differentiate math function 219 Digit softkey 147 digital bus mode 122 digital channel controls 69 digital channel menu 119 digital channels 8 21 76 119 AutoScale 116 display 81 enabling 334 logic threshold 121 probing 340 size 120 digital display interpreting 118 digital probes 112 340 impedance 340 digital select key 66 display 72 75 area 75 clear 261 int...

Page 365: ...Menu 273 I2C trigger 164 idle serial bus 275 279 284 293 Imped softkey 85 impedance digital probes 340 external trigger 138 indeterminate state 233 indicator LAN status 63 indicators battery powered oscilloscopes 34 infinite persistence 77 261 309 infrequent triggers 269 input impedance channel input 85 external trigger 138 input voltage 52 137 instantaneous slope of a waveform 219 Integrate math ...

Page 366: ...lacement 345 passive probes 55 password reset 47 set 46 pattern duration trigger 152 pattern trigger 145 SPI trigger 187 pattern trigger 145 PC connection 42 peak detect acquire mode 266 309 Peak peak measurement 251 Period measurement 245 persistence infinite 77 Phase measurement 248 PNG file format 324 point to point connection 42 to VPT1000 157 pollution degree 359 definitions 359 position anal...

Page 367: ...analog channel 87 slope trigger 140 softkeys 66 73 75 software updates 334 source frequency 206 Span FFT 225 specifications 360 spectral leakage FFT 225 SPI serial decode 276 SPI Signals Menu 277 301 SPI trigger 182 square root 230 stage sequence 177 stand alone connection 42 start acquisition 71 77 start condition I2C 166 status line 75 status User Cal 107 Std Deviation measurement 252 stop acqui...

Page 368: ...ct device 63 65 69 USB0 329 USB5 329 user cal 105 User defined threshold 121 Utility button 39 utility key 71 V values choosing 66 vectors 262 263 ventilation requirements 32 vernier channel 84 vernier sweep speed 89 vertical expansion 84 vertical position 84 vertical position control 70 vertical sensitivity 70 84 viewing signals 263 viewing tilt the instrument 28 VISA connect string 43 voltage me...

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