Flybox Oblo, Manual

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Page 3: ...STANDARD OBLÒ INSTALLATION SECTIONS OBLÒ A P INSTALLATION OBLÒ REP INSTALLATION INSTRUMENT CONFIGURATION USING THE OBLÒ AUTOPILOT SYSTEM AUTOPILOT OPERATION USE OF THE OBLÒ REP TECHNICAL SPECIFICATIONS ...

Page 4: ...cator EFIS easy to install and to use Oblò is equipped with state of the art highly visible display and the latest generation of solid state inertial sensors to ensure reliability and accuracy over time SYMBOLS USED IN THE MANUAL NOTE Used to highlight important informations CAUTION Used to warn the user and indicate a potentially hazardous situation or improper use of the product WARNING Used to ...

Page 5: ...t and follow the installation and operating instructions described here CAUTION The pilot must understand the operation of this instrument prior to flight and must not allow anyone to use it without knowing the operation Don t use this instrument in flight until you are sure of the correct operating of the same CAUTION This instrument cannot be used under any circumstances to conduct flights in IM...

Page 6: ...ller Responsibility for operations lies entirely with the operator Responsibility for any calibration alarms thresholds and activations every customizable instruments thresholds or any other settings lies with the person performing these modifications WARNING Do not solely rely on the Oblò to determine the primary flight informations Always compare the informations provided with other primary flig...

Page 7: ...installation 2 1 Mechanical installation 25 Oblò A P installation 25 ACU control unit installation 25 Servo s installation 28 2 2 Electrical installation 30 SECTION 3 Oblò REP repeater installation 3 1 Oblò REP repeater installation 37 3 1 1 Electrical installation Oblò standard Oblò REP 38 3 1 2 Electrical installation Oblò A P Oblò REP 39 SECTION 4 Instrument configuration 4 1 Main menu configur...

Page 8: ...gnetic calibration 53 SECTION 5 Using the Oblò 5 1 Using the Oblò 56 5 1 1 Attitude indicator page 57 5 1 2 HSI page 64 5 1 3 Drum altimeter page 66 SECTION 6 Autopilot system 6 1 Autopilot system 67 Requirements 67 Autopilot overview 68 Remote disengage button 70 6 2 Autopilot system configuration 71 6 2 1 Servo s calibration 72 6 2 2 Communications check 78 6 2 3 Remote button operation check 79...

Page 9: ...d 99 SECTION 7 Autopilot operation 7 1 Autopilot operation 102 7 2 How to engage and disengage the autopilot 105 7 3 Details of operation 108 7 4 Autopilot related alarms 114 7 5 Important notices safety checks 117 7 6 Autopilot activation procedure 118 SECTION 8 Use of the Oblò REP optional 8 1 Use of the Oblò REP 121 SECTION 9 Technical specifications 9 1 Technical specifications 123 APPENDIX A ...

Page 10: ...Oblò Oblò A P Autopilot User s manual Flybox 10 Rev 3 7 Page intentionally left blank ...

Page 11: ...Oblò Oblò A P Autopilot User s manual Flybox 11 Rev 3 7 INSTALLATION SECTION ...

Page 12: ...ables switches and breakers that are usually found at the bottom Do not install near any magnetic sources wires that carry large amount of current magnets electromagnets electric motors airplane parts or metal parts that may have residual magnetic field As a general rule keep a minimum distance of 30cm but 60cm or more are recommended To test if the location where you intend to install it is appro...

Page 13: ...r vents 4 Find a location where the display will always be completely visible 5 During use the instrument become warm so it s necessary to have some air circulation inside the instruments room to avoid that the temperature increase over the operating limits 3 Standard Oblò installation Mechanical installation ...

Page 14: ...Oblò Oblò A P Autopilot User s manual Flybox 14 Rev 3 7 Standard Oblò installation Mechanical installation Front view ...

Page 15: ...Oblò Oblò A P Autopilot User s manual Flybox 15 Rev 3 7 Standard Oblò installation Side view Mechanical installation ...

Page 16: ...Oblò Oblò A P Autopilot User s manual Flybox 16 Rev 3 7 Standard Oblò installation Panel cut out Mechanical installation All dimensions are in millimeters ...

Page 17: ...CAL AND PNEUMATIC INSTALLATION On the backpanel of the Oblò there is a 15 poles D sub plug connector supplied with the corresponding 15 pole receptacle one static and one pitot port Use 1 8 NPT male fittings to connect the static pressure STATIC and the dynamic pressure PITOT CAUTION Don t blow air inside the fittings ...

Page 18: ...ignal for autopilot control unit connection see chap 2 2 5 Open collector alarm out active low max 400mA 5W see chap 2 2 6 Transponder altitude serial out see chap 1 3 7 Autopilot remote button see chap 2 2 8 Not used 9 USB VCC 10 USB D 11 USB D 12 USB GND 13 Low level intercom audio out see chap 2 2 14 GPS input connect to TX signal of an external GPS 15 Not used Electrical installation CON1 conn...

Page 19: ...acking indication and for the automatic correction of magnetic declination If you connect a GPS that is not powered by the aircraft bus for example battery powered connect together the ground of the GPS and of the Oblò If no external GPS is available use the Flybox GPS cod 810010 Electrical installation NOTE Connections of pin 9 10 11 12 to a USB connector is used for software upgrades and for dat...

Page 20: ...ronautic cable for the wiring CAUTION Voltage peaks on the supply line that exceeds the operating limits 20V can damage the device OPTIONAL ACCESSORIES AVAILABLE NOTE Visit our web page http www flyboxavionics it en oblo html for updated prices and informations Electrical installation Ready to use wiring ord cod 802000 GPS receiver module ord cod 810010 USB flash drive for eventual software upgrad...

Page 21: ...istor between pin 1 and pin 14 whether or not it s connected the external GPS on pin 14 Ensure there is a shared ground between the Oblò and the transponder Wire a serial transmit line using shielded cable from the Oblò pin 6 of the connector to the respective receive connection on the transponder The serial out of the Oblò is RS232 type refer to the transponder manual for its installation and con...

Page 22: ...ond with the followig protocol Baud Rate Message formatting Example 9600 bps Alt space five altitude digits carriage return ALT 05200 CR The message contains the current pressure altitude in feet with a fixed reference to 1013 25mB 29 92 inches mercury The resolution is 10 ft NOTE If you use the ready to use wiring ord cod 802000 or 802010 the 10 Kohm resistor between pin 1 and pin 14 is already f...

Page 23: ...e the airspeed bar indicate the colors relative to the various V speeds incorrectly The default factory settings are all preset to zero 2 Magnetic calibration The magnetic calibration after the installation of your Oblò is an essential procedure that you must perform before you fly Not only the heading but also the attitude indicator depends on a correct magnetic calibration Without it there is no...

Page 24: ... installation Pre flight check 3 Instruments panel pitch adjust For the proper operation of the attitude indicator it s necessary to compensate the inclination of the instruments panel regards the longitudinal axis of the aircraft as explained in chap 4 2 Pitch parameter ...

Page 25: ...P is identical to the standard Oblò see chap 1 1 with the addition of Mechanical installation of ACU autopilot control unit Mechanical installation of servo s ACU AUTOPILOT CONTROL UNIT INSTALLATION The ACU is available in two versions for horizontal or vertical mounting Required panel cutout 120 x 36 1 mm Outer dimensions 139 1 x 42 1 mm Screw the ACU to the instruments panel with two M3 screws ...

Page 26: ...Oblò Oblò A P Autopilot User s manual Flybox 26 Rev 3 7 Oblò A P installation Mechanical installation Horizontal installation dimensions in millimeters ...

Page 27: ...Oblò Oblò A P Autopilot User s manual Flybox 27 Rev 3 7 Oblò A P installation Vertical installation dimensions in millimeters Mechanical installation ...

Page 28: ...e completely disconnected then at difference as some servomotors the pilot will not feel no residual torque at the command stick giving a confortable flight In case of mechanical failure the gear train is engineered to be reversible the pilot can overtop the power of the brushless motor it provides to the servomotor a further safety level The output torque is electronically adjustable and in case ...

Page 29: ...ation manual which is included with each servo WARNING improper installation of servos can lead to loss of control of the aircraft resulting in damage to the aircraft itself and injury or death of the occupants BE SURE TO CAREFULLY FOLLOW THE INSTALLATION INSTRUCTIONS AND CONSULT A QUALIFIED INSTALLER It s recommended to install also the remote disengage button to have an immediate way to disengag...

Page 30: ... ACU control unit servo s The ACU control unit has two Molex minifit jr connectors 1 four pole connector here called CON4P 1 eight pole connector here called CON8P Included in the kit there are the corresponding socket connectors Molex P N 5556 04R for 4 poles connector and 5556 08R for 8 poles connector and the crimp terminals Molex P N 5556 TL Each servos is provided with a 10 poles Molex Microf...

Page 31: ...e warm recommended size AWG18 CAUTION Power must be supplied through a breaker connected exclusively to the ACU control unit easily accessible to the pilot and clearly identified as Autopilot If you have one servo only use a 4 Ampere breaker if you have two servos use a 7 5 Ampere breaker Wirings between ACU control unit and Oblò instrument the ACU is connected to the Oblò with a two wires CAN bus...

Page 32: ... wires should be enough 2 CAUTION Do not route this line in parallel with transmitting antennas or other sources of known RF interference Do not route this line in parallel with microphone cables or audio cables to avoid audible noise in headphones Wiring of the remote disengage button RECOMMENDED connect it between ground and pin 7 of the Oblò connector The type of the button must be NORMALLY OPE...

Page 33: ...mmunication line CAN H signal 2 12V main supply 3 CAN bus communication line CAN L signal 4 GND main supply CONNECTIONS DETAIL FOR ACU CON8P CONNECTOR Pin Descriprion 1 GND for Pitch Servo 2 Not used 3 GND for Roll Servo 4 Not used 5 12V for Pitch Servo 6 Not used 7 12V for Roll Servo 8 Not used Socket view from wire s insertion side Socket view from wire s insertion side ...

Page 34: ... SERVO CONNECTOR Pin Descriprion 1 12V power supply 2 Not used 3 Not used 4 CAN bus communication line CAN L signal 5 CAN bus termination 6 GND power supply 7 Not used 8 Not used 9 CAN bus communication line CAN H signal 10 CAN bus termination Electrical installation Socket view from wire s insertion side ...

Page 35: ...3 7 Oblò A P installation Electrical connections for autopilot system NOTE If you use the ready to use wiring ord cod 802010 the 120 ohm resistor between pin 3 and pin 4 is already fitted inside the connector housing of the wiring Electrical installation ...

Page 36: ... 36 Rev 3 7 Oblò A P installation Electrical installation NOTE The CAN bus termination pin 5 connected with pin 10 must be done only on the last servo of the CAN bus line If you install only one servo the CAN line must be terminated on that servo ...

Page 37: ...lation of Oblò REP are the same of standard Oblò see chap 1 1 Electrical installation is different and depends if the Oblò REP is connected to a standard Oblò or if it is connected to a Oblò A P with autopilot control unit and servos See next pages for the appropriate wiring diagrams Oblò REP installation Mechanical installation ...

Page 38: ...Oblò Oblò A P Autopilot User s manual Flybox 38 Rev 3 7 Oblò REP installation 3 1 1 ELECTRICAL INSTALLATION OBLÒ REP CONNECTED TO A STANDARD OBLÒ Electrical installation ...

Page 39: ...lò REP share the same CAN bus line of the autopilot system It can be connected at any point of the CAN bus line but the length of the wiring that connects the Oblò REP must be maximum 1 meter 3 1 2 ELECTRICAL INSTALLATION OBLÒ REP CONNECTED TO A OBLÒ A P WITH AUTOPILOT ...

Page 40: ...Oblò Oblò A P Autopilot User s manual Flybox 40 Rev 3 7 USE SECTION ...

Page 41: ...ion through the menu is very simple and quick and is performed with the knob Press the knob for 1 second to enter in the functions menu The menu automatically disappears if you don t press or rotate the knob for 5 seconds Rotate the knob to navigate through the menu items Press the knob to enter in the selected item The first item on every menu Exit or Back is used to exit the current menu and go ...

Page 42: ...constant speed never use it to reset the horizon during other flight attitude TRK or HDG switch between Heading Tracking compass indications Tracking available only if an external GPS is connected LIGHT display brightness adjustment 1 min brightness 19 max brightness Default value 19 SETUP enter in the setup menu G METER RESET Show reset g meter Turning the knob to highlight this item will display...

Page 43: ...een T R I Turn rate indicator Click the knob to enter the turn rate indicator configuration The available settings are Scale set the full scale in degrees seconds Default value 6 s Filter filter setting A low value means that the readings will be more fast and unfiltered but subject to fluctuations an high value means that the readings will be more slow and stable Default value 80 ...

Page 44: ...value means that the readings will be more fast and unfiltered but subject to fluctuations an high value means that the readings will be more slow and stable Default value 80 ROLL Click the knob to enter the roll scale configuration The available settings are Arc mode Set the roll indicator mode set to 1 to choose a stationary roll scale while the arrow moves to stay perpendicular to the horizon S...

Page 45: ...nt of the pitch to compensate the inclination of the instruments panel regards the longitudinal axis of the aircraft This function must be executed only once after installation on the ground in leveled attitude Read the number printed on the bottom of the display and copy the same value on this parameter by clicking the knob and rotating it For example if the number printed on the bottom is 3 6 ro...

Page 46: ... see next parameter Vne Vno Vfe Vs Vs0 Velocity Never Exceed Velocity Normal Operation maximum structural cruising speed Velocity with Flaps Extended maximum airspeed at which you may extend the flaps or fly with them extended Velocity of Stall power off stalling speed with the gear and flaps retracted Velocity Stall 0 power off stalling speed with gear and full flaps extended If you prefer the cl...

Page 47: ...ical speed indicator configuration The available settings are Oxygen Set the max altitude above which the altitude tape turns red to indicate the hazardous condition Default value 12000 Ft Baro unit Set the unit of measure for pressure reference in hectoPascal hPa or inches of mercury inHg Alt unit Set the unit of measure for the altimeter in meters Mt or feets Ft Default value Ft Alt Filter altim...

Page 48: ...ngs are Filter filter setting A low value means that the readings will be more fast and unfiltered but subject to fluctuations an high value means that the readings will be more slow and stable Default value 50 Refresh with this parameter you can choose the display update rate between 1 1 display refresh per second and 3 0 30 display refresh per second Default value 2 Max Show the maximum peak rea...

Page 49: ...all the GPS read the number of satellites indicated the higher the number the better the reception For a good reception at least 4 satellites should be indicated Instrument configuration Setup menu configuration CAUTION In case of communication problems between GPS and Oblò check the following settings on the external GPS Baud rate communication speed must be set to the same value as that set in t...

Page 50: ... GPS tracking with wind correction when you are in flight Default value YES Speed Set the speed for the automatic switch between heading and tracking see previous item Default value 60 Km h Calibration Magnetic calibration See next chapter Mag Dec Displays the magnetic declination of the actual place the indication appear only with the GPS connected HSI Click the knob to enter the HSI Horizontal S...

Page 51: ...art page on instrument turn on Choose between the attitude indicator page HOR the HSI page HSI or the drum altimeter page ALT Default HOR Return delay Set the auto return to the start page after the time in seconds set here Set to zero to disable the auto return Default 0 Knob Set the operating mode of the knob Rotate the knob to select the submenu called Menu DN and click to enter The available s...

Page 52: ... FW UPGRADE Menu for USB software upgrade If you want to upgrade to a newer version see previous item to check the actual software version after selecting this item keep pressed the knob for 2 seconds until the following screen appears Insert the USB flash drive on which you copied the updated software and select if you want to upgrade the Oblò by selecting CORE or if you want to upgrade the roll ...

Page 53: ...void installation of the instrument near these source of magnetic fields It s possible to compensate for weak static magnetic fields by performing the calibration as explained below Please note that in particular cases presence of strong magnetic fields may be insufficient to perform this calibration in this case the heading provide incorrect or approximate indications and it s necessary to instal...

Page 54: ...the aircraft on the ground 1 Turn on all the electric load usually used in flight 2 On the Oblò enter in the Setup Compass and select the Calibration item Keep pressed the knob for 3 seconds to enter in the calibration 3 Now the display show PUSH TO START CALIBRATION briefly press the knob to start calibration if you want to cancel and return to the previous menu keep pressed the knob for 3 second...

Page 55: ...TION DONE PUSH TO EXIT appear on the display Now you can press the knob to terminate the calibration 6 IMPORTANT To complete the 420 degrees turn required for the calibration you must take from 1 to 2 minutes After completing the calibration perform this check with the Oblò displaying the heading turn the aircraft exactly at North South West and East verifying the correct indication on display If ...

Page 56: ...rred start page by going in the Setup menu Config Start page To switch between the pages you need to fast rotate the knob fast rotate the knob clockwise to switch from attitude indicator page to HSI page and from HSI page to drum altimeter page fast rotate the knob counterclockwise to go back in reverse order The fast rotate of the knob is thought to avoid involuntary page change You can also set ...

Page 57: ...graphics The four cardinal points are shown as N S W E It can show the HEADING magnetic compass indicated with HDG or the TRACKING Track of the GPS indicated with TRK available only if an external GPS is connected Note that after power on the compass is set to heading and can automatically switch to tracking above a certain speed if you enable the Auto H T function in the compass setup menu see ch...

Page 58: ...n If external GPS is connected you will automatically obtain the magnetic declination correction The TRACKING is read from external GPS receiver and is usually updated once per second so in case of fast turns it may not have a continuous and fluid indication Provided that GPS receiver have a good satellites reception the tracking indication is very accurate and compensated from wind NOTE The GPS t...

Page 59: ...0 km h 16 350 knots or 18 403 mph Below air speed of 30 km h the indication remain fixed to zero To set the unit of measure and the speed thresold that define the coloured zone go in the Setup menu ASI see chap 4 2 ATTITUDE INDICATOR With 360 continuous operation in both pitch and roll Above and below the horizon line major pitch marks are shown for every 10 up to 40 Minor pitch marks are shown fo...

Page 60: ... 60 Rev 3 7 Roll scale zero 60 45 30 20 10 Horizon zero 10 20 30 45 60 The colors used for the attitude indicator are brown for the ground and sky blue for the sky The zero is represented by the yellow line Using the Oblò Attitude indicator page ...

Page 61: ...light for the following causes During uncoordinated accentuated or acrobatics maneuvers Rapid temperature changes or temperature outside the operating limit 20 C 70 C Never use the attitude indicator as a reference for flight manoeuvres Never use the attitude indicator as a reference in absence of visibility NOTE This instrument is not certified Attitude indicator page ...

Page 62: ...again to store the new reference Using the Oblò Attitude indicator page VERTICAL SPEED INDICATOR Displays the numerical indication absolute value The unit of measure is meters per second if altimeter is set in meters or feet per minute if the altimeter is set in feet The arrow pointing up indicate an ascent positive value the arrow pointing down indicate a descent negative value G METER Indicate t...

Page 63: ...parked in the sun without any instruments panel protection In this case to decrease the temperature it s sufficient to ventilate the instruments panel If the temperature exceeds the minimum allowed 20 C it appears to display the message SENSOR TEMPERATURE OUT OF LOW LIMIT In both cases the data provided by the instrument may be not reliable It s possible to check the instrument s internal temperat...

Page 64: ...deviation and other navigation aid In order to work the HSI page needs that the Oblò is connected to an external GPS navigation system in which a flight plane route or GOTO has been set The available indications are the followings ACTUAL HEADING OR TRACKING It can shows the HEADING magnetic compass indicated with HDG or the TRACKING Track of the GPS indicated with TRK Note that after power on the ...

Page 65: ...OR The CDI indicates how far to the left or right you are from the selected course A series of dots provides a linear indication of how far the aircraft is off course To set the full scale of the dots go in the setup menu HSI XTE win parameter DESTINATION WAYPOINT ID It shows the name of the destination waypoint if transmitted by the GPS navigator If no information is received this field is left b...

Page 66: ...e set on the HSI setup menu 5 1 3 DRUM ALTIMETER PAGE This page simulates the graphic of a traditional drum altimeter To change the PRESSURE REFERENCE click the knob and then rotate it to change the numerical value click again to store the new reference The settable pressure reference is the one corresponding to the unit of measure setted on the Setup menu ALT VSI Baro unit PRESSURE REFERENCE hPa ...

Page 67: ...ilot to function Flybox Oblò A P instrument or Oblò with autopilot function enabled see chap 7 6 NOTE Upgrade your Oblò to the latest version before using the autopilot function check web site http www flyboxavionics it en software updates html Autopilot Control Unit Flybox ACU 1 Flybox FX75 digital servo for roll control 1 Flybox FX75 digital servo for pitch control ...

Page 68: ...rol The available functions are Horizontal navigation roll axis control Magnetic heading hold GPS tracking hold Track to a waypoint GOTO function require an external GPS with NMEA messages GPRMC GPRMB GPGGA Track a flight plane require an external GPS with NMEA messages GPRMC GPRMB GPGGA Automatic course reversal 180 Vertical navigation pitch axis control Altitude hold Altitude change Autopilot ov...

Page 69: ... Use the ON OFF switch to turn on and off the autopilot control unit Press the HDG TRK button to engage disengage the autopilot in heading or GPS tracking mode Rotate the HDG TRK knob to adjust the heading tracking bug Press the knob to center the bug to the actual heading or GPS tracking Press the ALT button to engage disengage the autopilot in altitude hold mode Rotate the ALT knob to adjust the...

Page 70: ...ction must be enabled from menu Setup Autopilot Remote button HtoE enable see chap 6 3 4 With autopilot engaged keep pressed for more than 2 seconds to activate the Control Wheel Steering CWS mode it s possible to fly the aircraft to a new heading traking or altitude and then release the button to let the autopilot acquire and mantain the new values This function must be enabled from menu Setup Au...

Page 71: ...n sequence are the following Ground based test and configuration Servos calibration chap 6 2 1 Communications check chap 6 2 2 Remote button operation check chap 6 2 3 Servos torque check chap 6 2 4 Min speed and Max speed parameters setting chap 6 3 1 Roll servo setup chap 6 3 2 Pitch servo setup chap 6 3 3 Remote button setup chap 6 3 4 Flight based test and configuration Autopilot setup roll ax...

Page 72: ...ithout first calibrate the servo the Oblò will show the error message AUTOPILOT DISENGAGE ROLL PITCH SERVO CALIB THE CALIBRATION MUST ALSO BE REPEATED IN THE EVENT OF ANY CHANGES TO MECHANICAL INSTALLATION OF THE SERVO S Autopilot configuration NOTE The neutral position terms used in the following explanation means the center of the servo arm travel relative to the position of the limiting bracket...

Page 73: ...ect the Autopilot menu and click to enter Rotate the knob to select the Servo s calib Press the knob for 3 seconds until the display shows the word IDENTIFICATION If instead it was already made a previous calibration the display shows the data of the previous calibration as in example below Autopilot configuration Servo s calibration NOTE If appears the message NO SERVO S FOUND it means that the s...

Page 74: ...t without forcing paying attention to not move it in the pitch axis during the motion After doing so the calibration automatically switch to the next step Step 3 center the control stick in neutral position and then click the knob to go to the next step Step 4 position the control stick to the forward limit without forcing paying attention to not move it in the roll axis during the motion After do...

Page 75: ...If appears the message BAD MECHANICAL INSTALLATION NOT ENOUGH SERVO TRAVEL it means that the servo is not correctly installed as the travel of the servo arm is too small to function properly In this case you should modify the mechanical installation for example by using an outer hole of the servo arm Step 8 position the control stick to the forward limit without forcing Click the knob or the remot...

Page 76: ...that the servo is not correctly installed as the travel of the servo arm is too small to function properly In this case you should modify the mechanical installation for example by using an outer hole of the servo arm At the end of the calibration procedure the display briefly shows the confirmation message Servo Calib Done To exit the calibration menu keep pressed the knob for 3 seconds ...

Page 77: ...at the flight control move as to turn the aircraft left Check also that the servo pitch does not move Engage the autopilot on pitch axis by pressing the ALT button on the ACU Using the ALT knob set the altitude bug to a higher value than the actual altitude and check that the flight control move as to increase the aircraft altitude set the altitude bug to a lower value than the actual altitude and...

Page 78: ...ear means that there is a communication problem between Oblò and ACU control unit check again the electrical wirings Press the HDG TRK button on the ACU panel and verify that the message AP OFF become AP HDG If the message remains AP OFF it means that there is a communication problem between ACU control unit and servo s check again the electrical wirings This check must be performed GROUND BASED A...

Page 79: ...by pressing the HDG TRK button on the ACU check the message AP HDG on the Oblò display Press the remote disengage button and check that the message AP HDG become AP OFF If the message remains AP HDG it means that there is a problem with the remote button check the electrical wiring and the correct functionality of the button itself Autopilot configuration ...

Page 80: ... the message AP ALT on the Oblò display Force the control stick to the forward or backward limit so that you override the servo force and after 1 seconds the autopilot disengages automatically check the message AP OFF on display At this stage you should check also the override force it must be strong enough to give a fairly good control authority to the servos but not so strong as to be difficult ...

Page 81: ...ntrol unit but without engaging the autopilot so on the ACU control unit turn on the ON OFF switch and don t press any other button All the configurable parameters are on the Oblò menu accessible in this way Press for 1 second the knob to enter in the function menu Rotate the knob to select the Setup menu and click to enter Rotate the knob to select the Autopilot menu and click to enter Autopilot ...

Page 82: ... is the same set for the ASI see Setup menu ASI Unit The autopilot cannot be engaged at airspeed below Min Spd with the exception of 0 to allow ground testing With autopilot engaged if the airspeed drops below the minimum it enters to an airspeed hold mode to restore and maintain approximately the minimum airspeed Set Min Spd to be at least 20 above the Vfe of your aircraft The Vfe speed must be s...

Page 83: ...d maintain approximately the maximum airspeed The choice of the Max Spd value must be made according to the characteristics of your aircraft it should be below the Vne speed of your aircraft but above the normal cruise speed The Vne speed must be set in the Oblò according to the specifications of your aircraft to set the Vfe see Setup menu ASI Vne Max Spd parameter cannot be set to a value above 9...

Page 84: ...ched in this way Press for 1 second the knob to enter in the function menu Rotate the knob to select the Setup menu and click to enter Rotate the knob to select the Autopilot menu and click to enter Rotate the knob to select the Roll servo menu and click to enter This settings must be performed GROUND BASED Autopilot configuration Autopilot setup menù ...

Page 85: ...SETTING This settings must be performed GROUND BASED TORQUE Set the desired torque that is the force of the servo when engaged To set a correct value keep in mind that the torque must be strong enough to give a fairly good control authority to the servos but not so strong as to be difficult to override with the control stick To test the torque after setting a new value perform the Servo torque che...

Page 86: ... the range min max is from 0 5 s to 3 0 s When selecting your desired turn rate consider that the autopilot may slightly exceed the turn rate target during regulation MAX BANK PARAMETER SETTING This settings must be performed GROUND BASED MAX BANK This parameter specifies a maximum bank angle which the autopilot will not exceed during turns Set an appropriate bank limit the min max range is 5 30 d...

Page 87: ...ed inside the PITCH SERVO menu that can be reached in this way Press for 1 second the knob to enter in the function menu Rotate the knob to select the Setup menu and click to enter Rotate the knob to select the Autopilot menu and click to enter Rotate the knob to select the Pitch servo menu and click to enter Autopilot configuration Autopilot setup menù ...

Page 88: ...This settings must be performed GROUND BASED TORQUE Set the desired torque that is the force of the servo when engaged To set a correct value keep in mind that the torque must be strong enough to give a fairly good control authority to the servos but not so strong as to be difficult to override with the control stick To test the torque after setting a new value perform the Servo torque check as ex...

Page 89: ... consider that the autopilot may slightly exceed from target value during regulation Default value 500 DESCENT PARAMETER SETTING This setting must be performed GROUND BASED DESCENT This parameter sets the average vertical speed for autopilot commanded descents The unit of measure is meters second or feet minute depending on what you have choosen for the altimeter The range min max is 50 2000 feet ...

Page 90: ...his setting must be performed GROUND BASED MAX PITCH This parameter specifies a maximum pitch angle which the autopilot will not exceed during climbs or descents Set an appropriate bank limit the min max range is 5 20 degrees Default value 10 Autopilot configuration Autopilot setup menù ...

Page 91: ... Press for 1 second the knob to enter in the function menu Rotate the knob to select the Setup menu and click to enter Rotate the knob to select the Autopilot menu and click to enter Rotate the knob to select the Remote button menu and click to enter Autopilot configuration Autopilot setup menù The settings must be performed GROUND BASED ...

Page 92: ...revious parameter Set to HDG to engage the autopilot in horizontal navigation roll set to ALT to engage the autopilot in vertical navigation pitch set to HDG ALT to engage the autopilot in both axes CWS enable Control wheel steering enable Enable YES or disable NO the following auxiliary function of the remote button during autopilot control press and hold for more than 2 seconds the button on the...

Page 93: ...r and visibility conditions at an adequate altitude and no traffic or obstacles in the flight path It s also recommended to have another pilot on board during first flight configuration NOTE In case you need to instantly disengage the autopilot you can use either one of this way Turn off the ON OFF switch on the ACU control unit Push shortly the remote button Press the HDG TRK button on the ACU if...

Page 94: ... enter Verify that the Gain parameter is set to default value that is 10 Verify that the Torque Turn rate and Max Bank parameters are set according to your preferences as explained in chapter 6 3 2 Rotate the knob to select the Back item and press it to go back to the autopilot menu Rotate the knob to select the Pitch servo menu and click to enter Verify that the Gain parameter is set to default v...

Page 95: ... pitch axis must be controlled by the pilot ensure that you are not affecting the roll axis so that you can determine the autopilot performance If the autopilot behavior is sufficiently stable keep it engaged for some minutes and observe the way in which it mantains the heading tracking If the autopilot deviates heavily from the heading tracking set or make very slow adjustments you need to increa...

Page 96: ...te To change the Gain parameter Press for 1 second the knob to enter in the function menu Rotate the knob to select the Setup menu and click to enter Rotate the knob to select the Autopilot menu and click to enter Rotate the knob to select the Roll servo menu and click to enter Rotate the knob to select the Gain parameter and click to enter Rotate the knob to change the value and press it to store...

Page 97: ...too aggressive in the regulation you need to decrease the Gain parameter Repeat again some heading tracking change observing the behavior of the autopilot With the autopilot engaged in HDG TRK mode start an autopilot commanded turn by rotating the HDG TRK knob on the ACU control unit Autopilot configuration Flight based test and configuration As you can imagine the optimal setting is highly depend...

Page 98: ...lue of 2 s the aircraft must take nearly 45 seconds to complete a 90 turn If it takes more time it means that the Max Roll Bank parameter are set too low so the autopilot is forced not to exceed this angle and as a result also the turn rate become slower than what set in Turn Rate parameter Now you have checked and configured all the parameters so you can disengage the autopilot by pressing the HD...

Page 99: ...gaged for some minutes and observe the way in which it mantains the altitude If the autopilot deviates heavily from the altitude set or make very slow adjustments you need to increase the value of the Gain parameter If the autopilot is too aggressive with excessively fast adjustments you need to decrease the value of the Gain parameter The Gain parameter selects the amount of autopilot activity fo...

Page 100: ...knob to select the Pitch servo menu and click to enter Rotate the knob to select the Gain parameter and click to enter Rotate the knob to change the value and press it to store the new value As you can imagine the optimal setting is highly dependent on the flight controls and the aircraft type so you probably find the optimal setting after some flights in which you learn also the way the autopilot...

Page 101: ...ation you need to decrease the Gain parameter If the autopilot is too smooth and slow to reach the altitude set or cannot reach it you need to increase the Gain parameter It s recommended to change the value by 1 or 2 steps and then observe the effects on the autopilot behavior As you can imagine the optimal setting is highly dependent on the flight controls and the aircraft type so you probably f...

Page 102: ...w holds the GPS tracking AP NAV when autopilot is engaged and follow the GOTO or flight plane of the external GPS AP 180 when autopilot is currently in automatic course reversal 180 mode AP ALT when autopilot is engaged in altitude mode AP CWS when autopilot is currently in Control wheel steering mode If you have installed both servos roll and pitch the following indications are also available AP ...

Page 103: ...w to allow fine adjustment This window automatically hide after 3 seconds With autopilot turned on but not engaged the bug is yellow with autopilot engaged is magenta Numerical indication for bug adjustment when autopilot is engaged Automatically hide after 3 seconds Altitude bug with autopilot engaged is in MAGENTA without autopilot is in YELLOW If the bug is set on an altitude outside the screen...

Page 104: ...HDG TRK knob on the ACU control unit While setting the heading tracking with the HDG TRK knob it also appears a numeric window to allow fine adjustment This window automatically hide after 3 seconds With autopilot turned on but not engaged the bug is yellow with autopilot engaged is magenta Bug with autopilot engaged is in MAGENTA without autopilot is in YELLOW Numerical indication for bug adjustm...

Page 105: ...ssing the HDG TRK button on the ACU control unit the led will turn on NOTE Before to engage the autopilot on both axis be sure to trim the aircraft for level flight The autopilot cannot be engaged if any of the following conditions occurs ACU control unit is turned off If the airspeed measured is out of the minimum maximum range Min spd and Max spd parameters A servo reports a fault condition A se...

Page 106: ... to cancel this alert If engaged the autopilot will automatically disengage if any of the following conditions occurs The ACU control unit is turned off Loss of communication between Oblò and ACU or between ACU and servos A servo reports a fault condition A servo reports a position beyonds its control limits limits stored during the calibration procedure The attitude indicator of the Oblò reports ...

Page 107: ...G TRK mode by pressing the HDG TRK button on the ACU control unit led will turn off If engaged in NAV mode by pressing the NAV button on the ACU control unit led will turn off If engaged in ALT mode by pressing the ALT button on the ACU control unit led will turn off By briefly pressing the remote button if installed Turning off the ACU with the ON OFF switch Opening the circuit breaker which prov...

Page 108: ...ols with autopilot disengaged and check that full manual control is allowed Check the servos torque with the autopilot engaged manually force the control stick to its limits and check that it s possible to override the force applied by the servos 1 2 CAUTION If any of the previous checks is not successful turn off the autopilot via the ON OFF switch on the ACU control unit and never turn it on dur...

Page 109: ...urn it to select HDG or TRK and press again Trim the roll and pitch of the aircraft if present Press the HDG TRK button on the ACU control unit led will turn on or press for 2 seconds the remote button if installed and enabled as explained in chap 6 3 4 Set the desired heading tracking by rotating the HDG TRK knob on the ACU If you press the HDG TRK knob during an autopilot commanded turn the auto...

Page 110: ... HDG TRK or NAV mode press for 3 seconds the HDG TRK button on the ACU to start a counter clockwise course reversal or press for 3 seconds the NAV button to start a clockwise course reversal During the maneuver the autopilot status indicator will show AP 180 After completing the maneuver the autopilot return engaged in the HDG or TRK mode You can cancel the course reversal function by pressing the...

Page 111: ... turn on Now the autopilot willl follow the flight plane or GOTO When the flight plane is completed or the GOTO has been reached you need to manually disengage the autopilot NOTE The autopilot disengages in case of failure or loss of GPS signal the display will show the message AUTOPILOT DISENGAGED NAV DATA TIMEOUT With autopilot engaged in NAV mode if you press the HDG TRK knob it will be set in ...

Page 112: ...on the ACU control unit led will turn on or press for 2 seconds the remote button if installed and enabled as explained in chap 6 3 4 Set the desired altitude by rotating the ALT knob on the ACU The autopilot maintain a vertical speed as set in the Climb and Descent parameters see chap 6 3 3 If you press the ALT knob during an autopilot commanded altitude change the autopilot will maintain the act...

Page 113: ... engaged in NAV mode press the NAV button on the ACU control unit led will turn off or press the remote button if installed If engaged in ALT mode press the ALT button on the ACU control unit led will turn off or press the remote button if installed NOTE In case of emergency or malfunction turn off the autopilot via the ON OFF switch on the ACU control unit or open the circuit breaker which provid...

Page 114: ...T DISENGAGED ROLL or PITCH SERVO COM Appears when communication between the ACU and the indicated servo roll or pitch is lost Check the wirings AUTOPILOT DISENGAGED ROLL or PITCH SERVO ERROR Appears in case of failure or malfunction of the indicated servo roll or pitch If this message appears repeatedly contact the manufacturer AUTOPILOT DISENGAGED ROLL or PITCH SERVO SLIPPING This message may mea...

Page 115: ...nk limit AUTOPILOT DISENGAGED PITCH LIMIT Appears if you try to engage the autopilot when the pitch angle of the aircraft is outside the maximum limit see chap 6 3 3 for setting the pitch limit AUTOPILOT DISENGAGED AIRSPEED LIMIT Appears if you try to engage the autopilot when the airspeed is outside the minimum or maximum limits see chap 6 3 1 for setting the limits Autopilot operation Autopilot ...

Page 116: ...external GPS To set the GPS baudrate Press for 1 second the knob to enter in the function menu Rotate the knob to select the Setup menu and click to enter Rotate the knob to select the GPS menu and click to enter Rotate the knob to select the Baud menu and click to enter Rotate the knob to change the value and press it to store the new value AUTOPILOT DISENGAGED NO VALID NAV DATA Appears when ther...

Page 117: ...d indicated by the Oblò instrument is correct The circuit breaker that powers the ACU control unit and therefore the servos must be easily accessible to the pilot and clearly identified so that in case of emergency can be instantly disconnected Every pilot that will use the autopilot system must be trained in the use and limitations All parts related to the autopilot system must be installed using...

Page 118: ...before activating the autopilot function check web site http www flyboxavionics it en software updates html Follow this procedure to upgrade your standard Oblò to the autopilot version Turn on the instrument Press for 1 second the knob to enter in the function menu Rotate the knob to select the Setup menu and click to enter Rotate the knob to select the About menu and click to enter Write down the...

Page 119: ... Press for 1 second the knob to enter in the function menu Rotate the knob to select the Setup menu and click to enter Rotate the knob to select the Password menu and click to enter Insert the password 143835 by turning the knob to increase decrease the digit and press it to go to the next digit The following screen appears Autopilot operation Autopilot activation ...

Page 120: ...it to go to the next digit The correct entry code will be confirmed by the AUTOPILOT ENABLED message on display WRITE DOWN HERE THE ACTIVATION DATA ID ___________________________ KEY ___________________________ code to provide when you purchase the autopilot activation key key supplied after purchase to be inserted as explained above Autopilot operation Autopilot activation ...

Page 121: ...h is connected INSTALLATION DIMENSIONS same as the standard Oblò refer to chap 1 1 ELECTRICAL CONNECTIONS see chap 3 2 For using and configuring the Oblò REP refer to the operating manual of the standard Oblò chapters 4 5 of this manual The settings are independent you can for example set different unit of measure Note that the setup menus includes only a part of the standard Oblò menus SECTION 8 ...

Page 122: ...with the main unit for example if the main unit is not connected or turned off it display the following screen As soon as communication between the two instruments is established the Oblò REP will show the attitude indicator and all the other indications replicating exactly what you see in the main Oblò Use of the Oblò REP ...

Page 123: ... Brightness 1200NITS adjustable 1 low level audio output for intercom 1 alarm output open collector active low max current 400mA 5W GPS input RS 232 data format NMEA 0183 sentences required GPRMC GPGGA USB port for software updates CAN BUS communication ports Solid state sensors Altimeter with range 1000 25000 feets 300 7600 m Airspeed with range 30 650 Km h 16 350 knots or 18 403 mph SECTION 9 9 ...

Page 124: ...ce large differences compared to a reference altimeter 1 Turn on the Oblò and press the knob for 1 second to enter in the function menu Rotate the knob to select the Setup menu and click to enter 2 Rotate the knob to select the Password menu and click to enter 3 Insert the password 590691 by turning the knob to increase decrease the digit and press it to go to the next digit The following screen a...

Page 125: ...about 15 minutes 6 In the Oblò select the Offset parameter and click the knob to enter 7 Read the pressure measured by the reference altimeter and adjust the Oblò pressure with the same exact value number in the bottom of the display rotate the knob to adjust it 8 Click the knob to exit and store the new pressure offset then click on Exit or turn off the instrument ...

Page 126: ...ybox GPS not used for other GPS 0 5 m 9 See note 2 GPS TX GPS TX input 0 5 m 14 All shielded cable braid are connected to ground GND WARNING Insulate not used wires Note1 The 10Kohm resistor needed to enable the transponder output is already fitted inside the connector housing of the wiring between pin 1 and pin 14 Note2 THIS WIRE IS EXCLUSIVELY USED TO CONNECT THE OPTIONAL FLYBOX GPS COD 810010 D...

Page 127: ...put 0 5 m 14 All shielded cable braid are connected to ground GND WARNING Insulate not used wires Note1 White wire must be connected to pin 1 of CON4P ACU autopilot control unit connector blue white wire must be connected to pin 3 of the same connector Between pin 3 and pin 4 there is a 120 ohm resistor already fitted inside the connector housing of the wiring Note2 The 10Kohm resistor needed to e...

Page 128: ...low this schematic if you have the ready to use Flybox wirings for Oblò cod 802000 or 802010 The Flybox GPS has one shielded wire with two poles RED WIRE 5V positive supply connect to wire 5V Flybox GPS of Flybox wiring BLACK WIRE GPS TX signal connect to wire GPS TX of Flybox wiring SHIELD Ground shield connect to shield of wire GPS TX ...

Page 129: ... has one shielded wire with two poles RED WIRE 5V positive supply connect to pin 9 of Oblò connector BLACK WIRE GPS TX signal connect to pin 14 of Oblò connector SHIELD Ground shield connect to pin 12 of Oblò connector NOTE Power supply of the GPS share the same wires of the eventual USB connector pin 9 and pin 12 of the Oblò connector ...

Page 130: ...s product is warranted to be free from defects for a period of 12 months from the user invoice date The warranty only covers manufacturer defects and shall not apply to a product that has been improperly installed misused or incorrect maintenance repaired or altered by non qualified persons This warranty shall not apply to any product that has been disassembled ...

Page 131: ...ctions 11 2016 34 Minor corrections 03 2017 35 Updated with Appendix B and C 04 2017 36 Updated with HSI and drum altimeter page 06 2017 37 Minor corrections WARNING All photos data drawings instruments layouts technical solutions and data representation you find in this document or watching at Flybox instruments working and or you can access by means of any other media including web sites are sol...

Page 132: ...MICROEL s r l Via Mortara 192 194 27038 Robbio PV ITALY Tel 39 0384 670602 Fax 39 0384 671830 www flyboxavionics it ...