Park Air T6T, User Manual

Page 1: ...T6T Transmitter User Guide Issue 1...

Page 2: ...60000TX Issue Number 1 Date of Issue November 1999 Published By Park Air Electronics Northfields Market Deeping Peterborough England PE6 8UE Telephone From UK 01778 345434 From outside UK 44 1778 3454...

Page 3: ...able Amendment Number Date Brief Details PAE Change Note Number Equipment Modification Record Modifications to the T6T transmitter are detailed in the following table The equipment s modification labe...

Page 4: ...g ETI elapsed time indicator ICAO international civil aviation organisation kg kilogram kHz kilo Hertz LCD liquid crystal display mA milliamp MARC multi access remote control system MHz mega Hertz mm...

Page 5: ...T6T Transmitter User Guide Section 1 General Information...

Page 6: ...dicator 12 Reference Connector 12 Microphone Diagnostics Connector 12 Scroll Select Switch and LCD 13 Rear Panel 14 Power Switch 14 AC Input Connector 14 DC Input Connector 15 Fuse F1 15 Chassis Stud...

Page 7: ...mains supply fails Comprehensive continuous and interruptive Built In Tests BIT provide confidence of the transmitter s serviceability T6T HANDBOOKS This user guide describes the T6T transmitter and...

Page 8: ...torage menu are shown below 1 2 1 5 0 0 M H z C a n c e l O K C h 1 0 0 1 2 1 5 0 0 M H z C a n c e l S t o r e S t o r e a n d E n d During normal transmitter operation the Main screen shown below is...

Page 9: ...rs key internal parameters without affecting normal operation If a BIT fault is detected the front panel Alarm indicator lights the Ready indicator becomes unlit and the transmitter becomes inoperable...

Page 10: ...is a dual purpose connector A microphone headset complete with integral PTT switch can be connected to enable local AM voice operation Alternatively a PC can be connected to allow use of the VFP The...

Page 11: ...local AM operation PC to allow use of the VFP and to download new software Reference Connector Frequency counter for maintenance purposes Facilities Connector Remote Signals Computer Port Signals to...

Page 12: ...Intentionally Blank Section 1 T6T Transmitter User Guide Page 8...

Page 13: ...Number of channels The transmitter has a multi channel capability 100 channels can be stored and recalled Frequency accuracy Better than 1 ppm for transmitter B6350 Better than 0 25 ppm for transmitt...

Page 14: ...The transmitter has an integral cooling fan POWER REQUIREMENTS The transmitter operates from an ac input supply or a dc input supply When both supplies are connected the dc input acts as an automatic...

Page 15: ...BIT fault has been detected BIT indications are classified as either warnings or faults If a warning is detected the Alarm indicator flashes the Ready indicator remains lit and the transmitter remains...

Page 16: ...6T maintenance handbook Microphone Diagnostics Connector A dual purpose connector that allows either a dynamic microphone and headset if sidetone is required or a PC to be connected to the transmitter...

Page 17: ...in the section of this user guide applicable to the particular operating mode During normal operation the LCD shows the operating frequency the channel number if the channel store facility is used the...

Page 18: ...c input supplies must be disconnected from the transmitter AC Input Connector A 3 pole IEC chassis plug for connecting the ac input supply The plug has an integral 20 mm fuse F2 that protects the Line...

Page 19: ...way D type socket used primarily to connect remote signals when the transmitter operates in AM mode and does not form part of a MARC or similar system The pin out of this connector is given in table 1...

Page 20: ...nector is given in table 1 5 on page 19 Antenna Connector An N type 50 ohm coaxial socket used to connect the antenna s feeder cable Section 1 T6T Transmitter User Guide Page 16 Fig 1 7 MARC Port CN6...

Page 21: ...nput signal used to key the transmitter The active signal can be 0 volt or a dc level between 10 and 50 volt or a dc level between 10 and 50 volt Internal jumpers JP8 and JP9 must be correctly set to...

Page 22: ...smitter The active signal can be 0 volt or a dc level between 10 and 50 volt or a dc level between 10 and 50 volt Internal jumpers JP8 and JP9 must be correctly set to suit the required keying potenti...

Page 23: ...tput 8 Serial 1 TXA RS422 Output 9 Serial 1 TXB RS422 Output 10 Serial 1 RXA RS422 Input 11 Serial 1 RXB RS422 Input 12 Serial 1 CLA RS422 Output 13 Serial 1 CLB RS422 Output 14 Input A RS 232 Input 1...

Page 24: ...Intentionally Blank Section 1 T6T Transmitter User Guide Page 20...

Page 25: ...absorbed into body tissues through the skin mouth or wound 2 The dust created by breakage of Beryllia is inhaled 3 Toxic fumes are inhaled from Beryllia Beryllium involved in a fire The components co...

Page 26: ...that there is no transit damage If damage is evident contact PAE immediately and retain the original transit packaging The following items should be included with the transmitter Item 1 One copy of th...

Page 27: ...configuration that is required for the local ac mains supply b Remove the two screws that secure the terminal block bracket as shown in Fig 1 9 c Connect the ac wires brown Line and blue Neutral to th...

Page 28: ...er to section 2 chapter 3 of this user guide and follow the procedure Selecting the Applicable Keying Method Section 1 T6T Transmitter User Guide Page 24 0 110 120 0 110 120 Blue Brown Link 240 V ac I...

Page 29: ...ep see Fig 1 11 are provided on each side of the equipment to accept the slides Details of suitable telescopic slides and fixed runners are available from PAE When fitted in the rack the transmitter s...

Page 30: ...s rear panel The cable used to connect between the equipment and the user s ac power source should be 3 core to IEC 227 rated 250 V ac at 8 amps and have a minimum cross sectional area of 1 0 mm per...

Page 31: ...ge 15 is fitted to the equipment s rear panel The recommended minimum rating of the dc supply cable is 2 core having a cross sectional area of 1 5 mm2 per core The supply cable should be fitted with a...

Page 32: ......

Page 33: ...T6T Transmitter User Guide Section 2 AM Voice Mode...

Page 34: ...Connecting to MARC Equipment 14 Chapter 4 AM Voice Operational Settings Introduction 17 Normal Operation 17 Using the Scroll Select Switch 17 Screen Protocol 18 Menu Lock Screen 20 Notes for Setting...

Page 35: ...ls to be stored and recalled by channel number In AM voice mode and when 25 kHz channel spacing is used the transmitter can operate with a 2 3 4 or 5 carrier offset frequency in accordance with ICAO A...

Page 36: ...he inhibit input signal polarity q Setting the BIT initiate signal polarity q Setting the Ready output signal polarity q Setting the antenna change over signal polarity q PTT test facility q Setting t...

Page 37: ...sed to check the transmitter s internal reference frequency during scheduled maintenance The front panel Microphone Diagnostics connector has two purposes a microphone headset is connected for local o...

Page 38: ...available at the Facilities connector are required Section 2 T6T AM Voice Operation Page 6 Fig 2 2 T6T Transmitter Configuration for Use with MARC Microphone Headset for Engineering Use PC for mainten...

Page 39: ...g the variation in frequency response with reference to a 1 kHz signal is within 1 dB and 3 dB across the frequency range 300 Hz to 3 4 kHz The response is better than 20 dB at 100 Hz and less than 30...

Page 40: ...Intentionally Blank Section 2 T6T AM Voice Operation Page 8...

Page 41: ...y tissues through the skin mouth or wound 2 The dust created by breakage of Beryllia is inhaled 3 Toxic fumes are inhaled from Beryllia Beryllium involved in a fire The components containing Beryllia...

Page 42: ...not already removed Remove the cover and identify the links by referring to Fig 2 3 Set the links to the required positions as detailed under the next two headings Remote Keying and Phantom Keying Whe...

Page 43: ...ompleting the Operational Settings procedures T6T AM Voice Operation Section 2 Page 11 Phantom Keying Remote Keying 28V 0V JP8 JP9 T6T Transmitter Front panel PTT Polarity POS PTT Switch 0 volt Remote...

Page 44: ...JP9 fitted to the DSP module must be correctly set for phantom keying Note that the audio lines in the illustrations connect to the transmitter s Facilities connector CN5 If phantom keying is require...

Page 45: ...e Operation Section 2 Page 13 Fig 2 4 Phantom Keying Arrangements Phantom Keying Remote Keying 28V 0V JP8 JP9 Phantom Keying Remote Keying 28V 0V JP8 JP9 Front panel PTT Polarity POS Front panel PTT P...

Page 46: ...ibility EMC users must q Use a D type connector that has a screened cover q Use screened multi way cable with the cable s screen connected to the Facilities connector s shell or body Failure to comply...

Page 47: ...Pin Number Signal Name Pin Number Signal Name 1 Ground 1 0 Volt 2 Line In 2 Audio Line L1 3 Line In 3 Audio Line L2 4 PTT 4 PTT 5 Unregulated Supply 5 Unregulated Supply Input 6 Data In 6 Data Out 7 D...

Page 48: ...Intentionally Blank Section 2 T6T AM Voice Operation Page 16...

Page 49: ...tion Procedures given in section 1 of this user guide Normal Operation During normal operation the LCD displays the Main screen This screen shows the operating frequency the channel number if the chan...

Page 50: ...witch is pressed to make a selection Timeout If during any setting up procedure the Scroll Select switch is not operated for 30 seconds the display returns to the Main screen If editing any parameter...

Page 51: ...On 30 s Part of General Transmitter Settings starting on page 29 PTT inhibit On or Off Off Line input level 40 dBm to 0 dBm 13 dBm Output power 5 watt to 50 watt 50 W MARC port baud rate 300 to 9600 b...

Page 52: ...and is sent from the VFP The following screen is displayed when lock is active and the front panel switch is pressed S E C U R I T Y M E S S A G E S y s t e m L o c k e d O K To exit the system lock s...

Page 53: ...8 0000 MHz 118 0083 MHz 118 0166 MHz 118 0250 MHz 118 0250 MHz 118 0333 MHz 118 0416 MHz 118 0500 MHz 118 0500 MHz 118 0583 MHz 118 0666 MHz 118 0750 MHz 118 0750 MHz 118 0833 MHz 118 0916 MHz 118 100...

Page 54: ...t to 10 dB above the line level setting The VOGAD and mute thresholds are preset at 10 dB and 15 dB respectively below the line level setting Table 2 4 Relationship between Line Level Vogad and Mute T...

Page 55: ...menu is displayed Turn the switch until Standby is highlighted then press the switch 3 Check that the Standby menu is displayed Turn the switch until Yes is highlighted then press the switch To aband...

Page 56: ...isplayed 2 Turn the switch until YES is highlighted then press the switch To abandon this procedure select No instead of Yes and then press the switch 3 Check that the transmitter s Main screen is dis...

Page 57: ...switch until Settings is highlighted then press the switch 3 Check that the Function menu is displayed Ensure Mode is highlighted Press the switch 4 Setting the Mode of Operation Check that AM Voice i...

Page 58: ...s the switch Turn the switch clockwise to increment the time in seconds or anti clockwise to decrement the time in seconds Note that the fully anti clockwise position switches the PTT timeout to Off W...

Page 59: ...rier Offset Factory default setting 0 A carrier offset can be used with the transmitter The available offsets are 2 5 kHz 4 0 kHz 5 kHz 7 3 kHz 7 5 kHz and 8 kHz Note that transmitter type B6350OPT1 m...

Page 60: ...q If all channels to be selected or stored are 25 kHz spaced channels then 25 should be selected q If all channels to be selected or stored are 8 33 kHz spaced channels then 8 3 should be selected q I...

Page 61: ...e antenna change over signal polarity 1 From the Main screen press the switch to display the Options menu Turn the switch until Configure is highlighted Press the switch 2 Ensure the Configure menu is...

Page 62: ...nhibit Factory default setting Off Inhibit can be set to either On or Off When set to on the transmitter cannot be keyed when set to off the transmitter operates normally Note that a separate Inhibit...

Page 63: ...Function menu 7 Setting the Output Power Factory default setting 50 W The transmitter s output power can be set to any value between 5 watts and 50 watts in one watt steps From the Function menu turn...

Page 64: ...signal q PTT output signal q Inhibit input signal q BIT initiate input signal q Ready output signal In addition to the signals listed the polarity of the Antenna Change Over signal is determined from...

Page 65: ...least 3 seconds A 5 volt input initiates a BIT test A 0 volt input initiates a BIT test Ready output This output is active when the radio is ready to transmit and no faults have been detected by the B...

Page 66: ...ise to highlight the kHz digits and press the switch Turn the switch clockwise to increase frequency or anti clockwise to decrease frequency note that continuous scrolling of the kHz value will increm...

Page 67: ...ntil the required value is displayed then press the switch Repeat for the kHz value 5 When the correct frequency for the displayed channel number is displayed turn the switch until Store is highlighte...

Page 68: ...ed Press the switch Turn the switch until the required channel number is displayed Then press the switch 3 Turn the switch until Recall is highlighted then press the switch 4 The Main screen will then...

Page 69: ...layed 4 When the test has finished check that the transmitter s front panel Alarm indicator is not lit After a BIT test BIT screens are automatically displayed The screens are shown on the next page T...

Page 70: ...6T transmitter maintenance handbook 4 Note that the last BIT screen allows Advise to be highlighted and selected by pressing the switch If any BIT faults have been detected the advise screen recommend...

Page 71: ...From the Main screen press the switch to display the Options menu Turn the switch until BIT is highlighted Press the switch 2 ETI can be seen measured in hours and minutes T6T AM Voice Operation Sect...

Page 72: ...the Reference menu is displayed 5 To exit the screen wait for 30 seconds when the display automatically reverts to the Main screen or select Cancel Section 2 T6T AM Voice Operation Page 40 F r e q u...

Page 73: ...he switch 3 Check the Software Versions screen is displayed Select Boot Flash or Fills and press the switch to display the installed version The example shows the Boot software 4 Select OK then press...