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190-01182-02

GTR 225/GNC 255 TSO Installation Manual

Rev. F

Page 3-3

3.4 Cabling and Wiring Considerations

Wiring should be installed in accordance with AC 43.13-1B Chapter 11. For dual GTR/GNC unit
installations, care should be taken to ensure separation between wires of redundant systems to reduce the
possibility of loss of navigation due to a single event. When wire separation cannot be achieved, the
following issues should be addressed:.



It should not be possible for a cable harness to be exposed to wire chafing in a manner that both
units fail simultaneously;



The cable harness should not be located near flight control cables and controls, high voltage lines
or fuel lines;



The cable harness should be located in a protected area of the aircraft (e.g., isolated from engine
rotor burst); and



Do not route cable near high voltage sources.

NOTE

Pigtail lengths should be less than 3.0". Wiring which is required to be shielded must be
shielded per appendix D.

See section 4.4.2 and sec tion 4.5 for connector and tooling information.

See section 4.6 for recommended coax cable.

See appendix D for the appropriate wiring connections to assemble the wiring connector.

Once the cable assemblies have been made, attach the cable connectors to the rear connector plate. After
installing the mounting tube, attach the assembled connector plate. Route the wiring bundle as appropriate.
Use 22 or 24 AWG wire for all connections. For power and ground, use the wire gauge specified in the
interconnect drawing, then 22 AWG for the short length from the splice to the connector. Avoid sharp
bends.

3.5 Air Circulation and Cooling

The GTR/GNC unit meets all requirements without external cooling. However, as with all electronic
equipment, lower operating temperatures extend equipment life.

Units packed tightly in the avionics stack heat each other through radiation, convection, and sometimes by
direct conduction. Even a single unit operates at a much higher temperature in still air than in moving air.

The GTR/GNC has a cooling fan integrated into the chassis to draw forced-air cooling through the unit.
There are inlets along the right side of the GTR/GNC chassis that allow air to flow through the unit. Ensure
that there are no obstructions to the air inlets or fan exhausts. Air should be able to freely flow from the
chassis inlets to the fan outlet on the rear of the unit.

3.6 Compass Safe Distance

After reconfiguring the avionics in the cockpit panel, if the GTR/GNC unit is mounted less than twelve
inches from the compass, recalibrate the compass and make the necessary changes for noting correction
data.

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Содержание GNC 255A

Страница 1: ...190 01182 02 March 2015 Revision F GTR 225 GNC 255 TSO Installation Manual ...

Страница 2: ...nauthorized commercial distribution of this manual or any revision hereto is strictly prohibited At Garmin we value your opinion For comments about this guide please e mail Techpubs Salem garmin com Garmin International Inc 1200 E 151st Street Olathe KS 66062 USA Telephone 913 397 8200 Aviation Dealer Technical Support Line Toll Free 888 606 5482 Website address www garmin com Garmin Europe Ltd Li...

Страница 3: ...P Ns 5 2 4 2 2 Added an NMEA standard GPS messages to section 5 2 4 2 3 Added COM and NAV keypad command messages to section 6 4 2 2 Added new section Calibrate OBS Resolver Page GNC Only 6 4 3 2 Added information and tables about COM RX squelch settings 6 4 4 1 Added table 6 13 COM Sidetone Mode Selections and table 6 14 COM Sidetone Pilot Control 6 8 2 Added table 6 16 Software Compatibility B 2...

Страница 4: ...nment and a fine of up to 1 000 000 under Section 2410 of the Export Administration Act of 1979 Include this notice with any reproduced portion of this document This information in this document is subject to change without notice Visit Garmin s website www garmin com for updates and supplemental information concerning the operation of Garmin products DEFINITIONS OF WARNINGS CAUTIONS AND NOTES WAR...

Страница 5: ...ntains a lithium battery that must be recycled or disposed of properly Battery replacement and removal must be performed by professional services CAUTION To avoid damage to the GTR 225 or GNC 255 take precautions to prevent Electrostatic Discharge ESD when handling the GTR connectors fan and associated wiring ESD damage can be prevented by touching an object of the same electrical potential as the...

Страница 6: ...Circulation and Cooling 3 3 3 6 Compass Safe Distance 3 3 4 INSTALLATION PROCEDURES 4 1 4 1 Unit and Accessories 4 1 4 2 Miscellaneous Options 4 1 4 3 Optional Reference Material 4 2 4 4 Installation Materials Required but not Supplied 4 2 4 5 Special Tools Required 4 3 4 6 Coaxial Cable Installation 4 4 4 7 Equipment Mounting 4 4 4 8 COM Antenna Installation and Connections 4 5 5 CONNECTOR PINOUT...

Страница 7: ... Rev F Page iv TABLE OF CONTENTS CONTINUED APPENDIX B GTR GNC DATA FORMAT B 1 B 1 RS 232 Aviation Format B 1 B 2 RS 232 NMEA Data Format B 5 APPENDIX C MECHANICAL DRAWINGS C 1 C 1 Drawing List C 1 APPENDIX D INTERCONNECT DIAGRAMS D 1 D 1 Drawing List D 1 ...

Страница 8: ...e 6 15 Figure 6 24 Calibrate OBS Resolver Page 6 16 Figure 6 25 Test Analog Flags Page 6 17 Figure 6 26 Test CDI VDI Page 6 18 Figure 6 27 USB Update Progress 6 24 Figure 6 28 Database Update Page 6 25 Figure 6 29 Database Info Page 6 25 Figure C 1 GTR GNC Dimensions C 2 Figure C 2 GTR GNC Mounting Rack C 3 Figure C 3 GNC Center of Gravity C 4 Figure C 4 GTR Center of Gravity C 5 Figure C 5 GTR GN...

Страница 9: ... Page vi LIST OF FIGURES CONTINUED Figure D 13 GNC King Serial DME Panel Mount Interconnect D 22 Figure D 14 GNC GDU 620 Interconnect D 24 Figure D 15 GTR GNC GTN 6XX 7XX GNS 400W 500W and GNS 480 Interconnect D 25 Figure D 16 GTR GNC GMX 200 Interconnect D 26 ...

Страница 10: ...4 5 Recommended Crimp Tools or Equivalent 4 3 Table 4 6 Socket Contact P Ns 4 3 Table 6 1 Serial Port Selections 6 3 Table 6 2 Intercom Enable Page Selections 6 4 Table 6 3 Backlight Selections 6 4 Table 6 4 Photocell Page Parameter Description 6 5 Table 6 5 Lighting Bus Parameter Description 6 6 Table 6 6 CDI Indicator Selections 6 7 Table 6 7 ARINC 429 Configuration Speed TX 6 8 Table 6 8 SDI Se...

Страница 11: ...ation The table is current at the time of publication of this manual and is subject to change without notice Authorized Garmin sales and service centers are encouraged to access the most up to date bulletin and advisory information at Garmin s Dealer Resource Center using their Garmin provided user name and password Mod Level Service Bulletin Number Service Bulletin Date Purpose Of Modification 1 ...

Страница 12: ...C 255 Series units are a family of 6 25 wide 1 65 tall panel mounted VHF COM and NAV COM radios The GTR 225 Series include an airborne VHF communications transceiver The GTR 225 Series meet the requirements of the TSOs specified in table 1 10 A summary of system functions is located in table 1 11 and operating instructions are found in GTR 225 GTR 225A GTR 225B Pilot s Guide Differences between th...

Страница 13: ... based cell phones while the aircraft is on the ground is subject to FAA regulation 14 CFR 91 21 FCC regulation 47 CFR 22 925 prohibits airborne operation of ground based cellular telephones installed in or carried aboard aircraft Ground based cellular telephones must not be operated while aircraft are off the ground When any aircraft leaves the ground all ground based cellular telephones on board...

Страница 14: ...nectors 3 96 lbs 1 80 kg Operating temperature range 20 C to 55 C For more details refer to the environmental qualification forms at Garmin s Dealer Resource Center See appendix A for form part numbers Humidity 95 non condensing Altitude range 1 500 ft to 55 000 ft Input voltage range COM connector 9 to 33 VDC Input voltage range NAV connector 9 to 33 VDC Current draw See table 1 9 Superflag power...

Страница 15: ...ator 6K00A3E 118 136 975 MHz 5K60A3E 118 136 992 MHz Frequency range 118 000 to 136 975 MHz 25 kHz channel spacing 118 000 to 136 992 MHz 8 33 kHz channel spacing Frequency tolerance 2 ppm from 40 C to 70 C Output power 10 watt mode 10 watts minimum 16 watt mode 16 watts minimum Duty cycle 10 W 100 16 W Recommended 25 5 seconds on 15 seconds off 15 seconds on 45 seconds off etc Carrier noise level...

Страница 16: ...output power Automatic gain control AGC characteristics Less than 3 dB of variation in the audio output from 93 to 13 dBm power absorbed by a 50 load Sensitivity SINAD on all channels is greater than 6 dB when the RF level is 2 uV hard or 107 dBm power absorbed by a 50 load modulated 30 at 1000 Hz at rated audio output power Squelch Automatic squelch with manual override Selectivity 6 dB BW is gre...

Страница 17: ...flection of the deviation indicator is less than a 50 of standard deflection AGC characteristics From 99 dBm to 13 dBm input of a standard VOR audio test signal audio output level does not vary more than 3 dB Spurious response Greater than 60 dB VOR OBS bearing accuracy The bearing information as presented to the pilot does not have an error in excess of 2 7 as specified by RTCA DO 196 and EuroCAE...

Страница 18: ...dulation Absence of both 90 Hz and 150 Hz modulations Absence of RF signals AGC characteristics From 99 dBm to 13 dBm input of a standard localizer audio test signal audio output level does not vary more than 3 dB Selectivity 6 dB BW is greater than 9 kHz 69 dB BW is less than 36 kHz Standard deflection With a standard deflection FLY LEFT condition 90 Hz dominant the output is 90 mV 9 mV With a st...

Страница 19: ... At frequencies displaced by 132 kHz or greater the input signal is at least 60 dB down Standard deflection With a standard deflection FLY DOWN condition 90 Hz dominant the output is 78 mV 7 8 mV With a standard deflection FLY UP condition 150 Hz dominant the output is 78 mV 7 8 mV Flag The unit flags in the event of any of the following conditions The RF level of a standard glideslope deviation t...

Страница 20: ... not include the superflags If connected their current draw must be added to the specified current The superflags will supply up to 320 mA each regardless of the input voltage LRU 14 Volt Current Draw 28 Volt Current Draw Typical Maximum Typical Maximum GTR 225 COM connector 0 59 A 4 2 A 0 28 A 1 9 A GTR 225A COM connector 0 59 A 4 2 A 0 28 A 1 9 A GTR 225B COM connector 0 59 A 5 9 A 0 28 A 2 6 A ...

Страница 21: ... aircraft license is required make application for a license on FCC form 404 Application for Aircraft Radio Station License The FCC also has a fax on demand service to provide forms by fax Outside the US contact the responsible telecommunication authority The GTR GNC owner accepts all responsibility for obtaining the proper licensing before using the transceiver The maximum transmitting power modu...

Страница 22: ...e applicable hardware and software part numbers to identify appliance approvals Table 1 10 TSO Authorization and Advisory Circular References 1 C Complete TSO I Incomplete TSO 2 ETSO 2C128 and ETSO 2C169a are not applicable to the GTR 225 Table 1 11 System Functions 1 Function TSO ETSO SAE RTCA EUROCAE Class Type Applicable SW P Ns Applicable CLD P Ns GTR 225 GTR 225A GTR 225B GNC 255A GNC 255B C ...

Страница 23: ...r the verification and validation of the computer software TSO C40c 1 Garmin was granted a deviation from the TSO not to mark TSO number and software part number on the exterior of the unit 2 Garmin was granted a deviation from the TSO to use RTCA DO 160F instead of an earlier version as the standard for environmental conditions and test 3 Garmin was granted a deviation from the TSO to use RTCA DO...

Страница 24: ...s guide contact Garmin at 866 739 5687 or go to flyGarmin com for more information and instructions The GTR GNC database has no safety effect and does not claim compliance with RTCA DO 200A Standards for Processing Aeronautical Data Garmin requests that the flight crew report any observed discrepancies related to database information These discrepancies could come in the form of an incorrect frequ...

Страница 25: ... IN LIEU OF ALL OTHER WARRANTIES WHETHER EXPRESS IMPLIED OR STATUTORY INCLUDING ANY LIABILITY ARISING UNDER ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE STATUTORY OR OTHERWISE THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS WHICH MAY VARY FROM STATE TO STATE IN NO EVENT WILL GARMIN BE LIABLE FOR ANY INCIDENTAL SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES WHETHER RESULTING FROM TH...

Страница 26: ...CFR Part 43 or the applicable airworthiness requirements To mitigate against the loss of navigation and communication installation of a second navigation and or communication system may be required 2 2 Aircraft Radio An aircraft radio station license is not required when operating in U S airspace but may be required when operating internationally As required by TSO C169a the quantitative safety ob...

Страница 27: ...the ELT antenna Some ELTs have exhibited re radiation problems that cause interference with other radios including GPS This can happen when the COM GTR GNC or any other COM is transmitting on certain frequencies such as 121 15 or 121 175 MHz which may cause the ELT output circuit to oscillate from the signal coming in on the ELT antenna coax If simultaneous use of two COM transceivers is desired s...

Страница 28: ...ch filter see table 4 3 may be installed in the VHF COM coax as close to the COM as possible This filter is not required for the GTR GNC transmitter If a COM is found to be radiating the following can be done Replace or clean VHF COM rack connector to ensure good coax ground Place a grounding brace between the GTR GNC VHF COM and ground Shield the VHF COM wiring harness 3 3 GTR GNC Mounting Consid...

Страница 29: ...en made attach the cable connectors to the rear connector plate After installing the mounting tube attach the assembled connector plate Route the wiring bundle as appropriate Use 22 or 24 AWG wire for all connections For power and ground use the wire gauge specified in the interconnect drawing then 22 AWG for the short length from the splice to the connector Avoid sharp bends 3 5 Air Circulation a...

Страница 30: ... 00998 00 010 00998 50 011 02718 00 GTR 225A 010 01026 00 010 01026 50 011 02807 00 GTR 225B 010 01027 00 010 01027 50 011 02808 00 010 01027 20 010 01027 70 011 02808 20 1 GNC 255A 010 01025 00 010 01025 50 011 02806 00 GNC 255B 010 00999 00 010 00999 50 011 02719 00 010 00999 20 010 00999 70 011 2719 20 1 Model Item P N GTR 225 225A 225B Connector kit 011 02721 00 Backplate assembly 011 02722 00...

Страница 31: ...g nut MS21042 or other approved fastener 6 ea Push pull manually resettable circuit breakers Tie wraps or lacing cord Ring terminals for grounding Coaxial cable RG 400 RG 142B or equivalent See table 4 8 for additional information Item Garmin P N GDU 620 Installation Manual 190 00601 04 GNC 255A 255B Pilot s Guide 190 01182 01 GTR 225 225A 225B Pilot s Guide 190 01182 00 Item Requirements COM ante...

Страница 32: ...al tip Table 4 6 Socket Contact P Ns 1 Non Garmin part numbers shown are not maintained by Garmin and are subject to change without notice Manufacturer Hand Crimping Tool 22 28 AWG P2001 P2002 Positioner Insertion Extraction Tool Military P N M22520 2 01 M22520 2 09 M81969 14 01 M81969 1 04 Positronic 9507 0 0 0 9502 4 0 0 M81969 1 04 ITT Cannon 995 0001 584 995 0001 739 000849490 274 7048 000MIL ...

Страница 33: ... front lip of the rack should be flush with or extend slightly beyond the finished aircraft panel NOTE If the front lip of the mounting rack is behind the surface of the aircraft panel the GTR GNC unit connectors may not fully engage See figure C 7 for more information Ensure that no screw heads or other obstructions prevent the unit from fully engaging in the rack see section 6 3 When installing ...

Страница 34: ...nit Replacement Whenever the GTR GNC unit is removed or reinstalled verify that the unit powers up successfully 4 8 COM Antenna Installation and Connections The GTR GNC unit requires a standard 50 Ω vertically polarized antenna Follow the antenna manufacturer s installation instructions for mounting the antenna The antenna should be mounted on a metal surface or a ground plane with a minimum area ...

Страница 35: ...LIGHTING HI 1 In 9 RESERVED 10 RESERVED 11 COM MIC 1 KEY In 12 INTERCOM ENABLE In 13 SPEAKER OUT Out 14 RESERVED 15 RESERVED 16 RS 232 IN 1 In 17 RESERVED 18 500 Ω COM AUDIO LO 19 AUX AUDIO LINE LEVEL GND 20 MIC AUDIO IN LO In 21 RESERVED 22 LIGHTING LO 1 In 23 RESERVED 24 RESERVED 25 RESERVED 26 COM MIC 2 KEY In 27 COM REMOTE TRANSFER In 28 COM REMOTE TUNE UP In 29 COM REMOTE TUNE DOWN In 30 AIRC...

Страница 36: ...denotes that the signal is an Active Low requiring a ground to activate If there is no asterisk the signal is an Active High 34 RESERVED 35 RESERVED 36 RESERVED 37 AIRCRAFT GND 38 AIRCRAFT GND 39 SPEAKER GND 40 AIRCRAFT GND 41 RESERVED 42 RESERVED 43 AIRCRAFT POWER In 44 AIRCRAFT POWER In Pin Pin Name I O ...

Страница 37: ...SUPERFLAG Out 16 500 Ω VOR LOC AUDIO OUT HI Out 17 500 Ω VOR LOC AUDIO OUT LO Out 18 SERIAL DME CLOCK I O 19 SERIAL DME DATA I O 20 SERIAL DME RNAV CH REQ In 21 SERIAL DME RNAV MODE In 22 AIRCRAFT GND In 23 VOR ILS ARINC 429 OUT B Out 24 VOR ILS ARINC 429 OUT A Out 25 VOR OBI CLOCK Out 26 VOR OBI SYNC Out 27 VOR OBI DATA Out 28 VLOC REMOTE TRANSFER In 29 ILS ENERGIZE Out 30 SPARE 31 SPARE 32 GLIDE...

Страница 38: ... 43 PAR DME 50 kHz Out 44 SERIAL DME DME REQUEST I O 45 PAR DME 1 MHZ A Out 46 PAR DEM 1 MHZ B Out 47 PAR DME 1 MHZ C Out 48 RESERVED 49 AIRCRAFT GND In 50 RESERVED 51 AIRCRAFT POWER In 52 AIRCRAFT POWER In 53 GLIDESLOPE FLAG Out 54 PAR DME 100 kHz E Out 55 GLIDESLOPE DOWN Out 56 PAR DME 1MHZ E Out 57 RESERVED 58 GLIDESLOPE COMPOSITE OUT Out 59 RESERVED 60 AIRCRAFT GND In 61 AIRCRAFT GND In 62 AIR...

Страница 39: ...cause damage to the unit that will require return to the factory for repair Ensure that the lighting bus is connected to the correct pins and does not short to any adjacent pins prior to applying power to the unit including the lighting bus Pin Name Connector Pin I O AIRCRAFT POWER P2001 30 In AIRCRAFT POWER P2001 43 In AIRCRAFT POWER P2001 44 In AIRCRAFT POWER P2002 51 In AIRCRAFT POWER P2002 52 ...

Страница 40: ...ormation NOTE Aviation RS 232 data may be transmitted with or without the current GPS altitude in feet See appendix B Current latitude longitude and GPS altitude in feet Current velocity vector ground speed and direction of velocity vector over the ground Distance to waypoint Cross track error Desired track Destination waypoint identifier Bearing to destination waypoint Magnetic variation Navigati...

Страница 41: ...dby VOR LOC frequency Set monitor mode ignored Set NAV audio mode Cannot turn off NAV audio Set volume level and audio control parameters Only headphone sidetone level and RF squelch supported Request data output Cannot set speed Only unlisted command supported is request reset status in both versions 5 2 4 2 2 NMEA GPS Data The following NMEA standard GPS messages are used by the GTR GNC for posi...

Страница 42: ... carbon or dynamic mic inputs with integrated preamps providing minimum 70 mVrms into a 1000 Ω load MIC 1 and MIC 2 are set in the factory so that 100 mVrms modulates the transmitter to 85 nominally at 1000 Hz The microphone gain adjustment is made through configuration mode 5 2 4 5 2 COM AUDIO COM AUDIO supplies 100 mW into a 500 Ω load This is a balanced output and the LO output must be connecte...

Страница 43: ...is also a menu option to enable the intercom if it is not desired to utilize a remote switch 5 2 5 3 COM MIC 2 KEY COM MIC 2 KEY discrete input when pulled low allows the audio that is present on the COM MIC 2 AUDIO IN HI P2001 6 to be transmitted over the radio 5 2 5 4 COM REMOTE TRANSFER COM REMOTE TRANSFER discrete input may be used to flip flop between the active and standby COM frequencies A ...

Страница 44: ...lanced output and the 500 Ω VOR LOC AUDIO OUT LO output must be connected 5 2 7 VOR ILS Discrete Inputs This input is considered active if either the voltage to ground is 3 5 VDC or the resistance to ground is 375 Ω This input is considered inactive if the voltage to ground is 11 33 VDC or the resistance to ground is 100 kΩ An asterisk following a signal name denotes that the signal is an Active L...

Страница 45: ...less than 320 mA with the output voltage not less than AIRCRAFT POWER 2 VDC when the flag is to be OUT OF VIEW The output voltage with respect to ground is 0 250 mVDC when the flag is to be IN VIEW 5 2 8 1 2 Deviation Deviation outputs are each capable of driving up to three 1000 loads with 150 mVDC 15 mVDC for full scale deflection 0 mVDC 4 5 mVDC when centered The drive circuit provides for more...

Страница 46: ...1 7 GLIDESLOPE COMPOSITE With a standard glideslope test signal applied GLIDESLOPE COMPOSITE OUT is 0 350 0 05 Vrms into a 10 kΩ load 5 2 8 1 8 NAV ILS ENERGIZE The driver output voltage is not more than 1 0 V when sinking 20 mA The maximum off state leakage current with respect to GND is less than 10 A Pin Name Connector Pin I O VOR LOC FLAG P2002 3 Out VOR LOC FLAG P2002 4 Out GLIDESLOPE FLAG P2...

Страница 47: ...VOR LOC window there is a bit in the data stream set to indicate that a localizer frequency is tuned which stows the needle or drives it to the three o clock position 5 2 9 2 RMI OBI Electrical Characteristics The output driver is an Active Low The driver output voltage is not more than 1 0 V when sinking 20 mA The maximum off state leakage current with respect to ground is less than 10 μA Pin Nam...

Страница 48: ...ess than 10 A DME COMMON must be pulled low to indicate to the GTR GNC that it is the device channeling the DME DME COMMON is considered active if either the voltage to ground is less than 1 9 V or the resistance to ground is less than 375 These inputs are considered inactive if the voltage to ground is 11 33 VDC Pins 37 40 41 42 43 45 47 33 54 and 56 are configured for 2 of 5 parallel DME tuning ...

Страница 49: ...active if either the voltage to ground is less than 1 9 V or the resistance to ground is less than 375 These inputs are considered inactive if the voltage to ground is 11 33 VDC DME COMMON must be pulled low to indicate to the GTR GNC that it is the device channeling the DME Pins 18 19 20 and 41 are configured for King Serial DME tuning Pin Name Connector Pin I O SERIAL DME DATA P2002 19 I O SERIA...

Страница 50: ...htness Verify that all cables are properly secured and shields are connected to the shield block of the connectors Check the movement of the flight and engine controls to verify there is no interference between the cabling and control systems Ensure that all wiring is installed as described in section 3 4 Prior to powering up the GTR GNC the wiring harness must be checked for proper connections to...

Страница 51: ... such that the aircraft panel does not obstruct the unit from properly engaging in the rack 6 4 Configuration Mode Operations The configuration pages shown in this section reflect main software version 2 00 Some differences in operation may be observed when comparing the information in this manual to later software versions Configuration mode is used to configure the GTR GNC settings for each spec...

Страница 52: ... RS 232 NMEA data output 6 4 1 2 DST Priority Page If both GPS and DME systems are providing data to the GNC the DST PRIORITY page configures the source priority for the display of distance speed time DST information The GNC displays DST data from a DME or a GPS device Select GPS DME to give priority to DST data from a connected GPS receiver or DME GPS to give priority to DST data from a connected...

Страница 53: ...el keys is configurable on the BACKLIGHT page This sets the minimum brightness of the bezel keys or display The display minimum brightness level has a range from 1 to 100 The default level is 1 The bezel key minimum brightness level has a range from 0 to 100 The default level is 1 Selection Description DISPLAY Allows the intercom to be enabled or disabled via a menu option on the GTR GNC display A...

Страница 54: ...e brightness of the display or keys has to changes in the photocell input level Adjusting the slope higher will result in a brighter display for a given increase in the photocell input level This field has a range of 0 to 100 and is set to 50 as the default setting KEY CO Key Cutoff This parameter configures the point when key backlighting is switched off in bright light For example a value of 70 ...

Страница 55: ... Figure 6 8 Display Information Pages Selection Description INPUT This setting configures the lighting bus source voltage Select 14 VDC 28 VDC 5 VDC or 5 VAC depending on the lighting bus voltage source SLOPE This setting determines how sensitive the display or bezel keys are to changes in the lighting bus input level Adjusting the slope higher will result in a brighter display for a given increas...

Страница 56: ...CDI Indicator Page Table 6 6 CDI Indicator Selections Selection Description NONE DEFAULT No external resolver is supported OBS mode allows the user to edit the OBS with concentric knobs Serial OBS update messages are supported in this mode but the unit will not flag if updates are discontinued or are not periodic RESOLVER Auto decodes resolver setting via six wire resolver interface Uses internal ...

Страница 57: ... according to the connected VOR ILS indicator See table 6 7 and table 6 8 for description of the configuration speeds Figure 6 12 ARINC 429 Page Table 6 7 ARINC 429 Configuration Speed TX Table 6 8 SDI Selections Selection Description LO SPEED Standard low speed ARINC 429 nominally 12 5 kilobits per second HI SPEED High speed ARINC 429 nominally 100 kilobits per second Selection Description COMMON...

Страница 58: ...ocalizer Deviation 174 Glideslope Deviation 222 VOR Omnibearing 371G Specific Equipment ID 377 Equipment Hex ID Code Selection Description KING SERIAL King serial DME tuning data PARALLEL 2X5 2 of 5 parallel DME tuning PARALLEL BCD Shifted Binary Coded Decimal BCD parallel DME tuning PARALLEL SLIP Slip code parallel DME tuning NARCO 890 891 2 of 5 parallel DME tuning compatible with the following ...

Страница 59: ...NFORMATION page shows the NAV board software version software part number and hardware version Figure 6 13 NAV Information Page 6 4 2 6 NAV Update The NAV update page loads the NAV software to the GNC See section 6 8 for instructions on loading software to the GNC Figure 6 14 NAV Software Update Page ...

Страница 60: ... receiver The COM RX squelch adjusts the signal strength required to break squelch for the COM receiver See table 6 11 for a description of each setting Garmin changed the GTR GNC COM radio factory calibration process to allow the level when the auto squelch opens or closes to be set at a more sensitive level The COM RX squelch range 0 100 was remapped as shown in table 6 11 Installations of radio...

Страница 61: ...requencies The COM RX SQUELCH value is linearly interpolated for frequencies between the low 118 000 MHz mid 127 000 MHz and high 136 975 MHz or 136 990 MHz for 25kHz and 8 33 kHz spacing respectively frequency values SPACING The COM RX squelch values are adjusted separately for 25 kHz and 8 33 kHz spacing SQUELCH BASIC LOW MID HIGH ADVANCED The COM RX squelch is adjustable in the range of 0 to 10...

Страница 62: ...3 and table 6 14 for descriptions of each selection NOTE The COM sidetone volume set in configuration mode is the value used when the FIXED COM sidetone mode is selected in normal mode Figure 6 19 COM Sidetone Page Table 6 13 COM Sidetone Mode Selections Software Version 2 10 or Later NOTE When INTERNAL is selected the audio signal has higher dynamic range and has a more full sound However transmi...

Страница 63: ...hones The NAV audio will still be sent over the analog audio lines on P2002 16 and 17 In installations with an audio panel this should be set to OFF Turn the inner knob to ON or OFF Press ENT when the selection is displayed Figure 6 20 Mix NAV Audio Page 6 4 4 3 Hi Fidelity Audio Page The HI FIDELITY AUDIO page enables or disables the hi fidelity AUX audio input on the GTR GNC If a music audio sou...

Страница 64: ...ached to the USB port on the GTR GNC To download the error log 1 Insert the supplied USB cable into the USB port of the GTR GNC 2 Attach a USB flash drive to the other end of cable 3 Turn outer knob to LOG FUNCTIONS 4 Turn inner knob to DOWNLOAD LOG 5 Press ENT 6 Press ENT again to begin download Figure 6 22 Download Log Page 6 4 5 2 Clear Error Log Page The CLEAR ERROR LOG page clears the interna...

Страница 65: ...switched through a relay or other means because the resolver must be calibrated to the radio If multiple resolvers are desired in the installation the primary unit must be installed and calibrated as described here The secondary unit should use the composite output To calibrate 1 Turn outer knob to NAV CONFIGURATION 2 Turn inner knob to CAL RESOLVER 3 Press ENT 4 Follow the directions on the GNC d...

Страница 66: ...tive for flags check and CDI VDI check to function properly Figure 6 25 Test Analog Flags Page 1 Select the TEST ANALOG FLAGS page 2 Press ENT 3 Turn the inner knob to set the NAV flag as VALID or INVALID 4 Verify the applicable flag is displayed on connected indicator 5 Turn the outer knob to GS 6 Turn the inner knob to set the GS flag as VALID or INVALID 7 Verify the applicable flag is displayed...

Страница 67: ...LL UP CENTERED FULL DOWN MAX DOWN 6 5 4 Lighting Bus Interface Check CAUTION When 14 VDC or 28 VDC lighting buses are connected to the GTR GNC connection of the aircraft lighting bus to the incorrect input pins can cause damage to the GTR GNC Always start this test with the dimming bus at the lowest setting and slowly increase the brightness If the brightness level on the GTR GNC display does not ...

Страница 68: ...dio Panel Installations GNC Only Ensure the audio panel is powered on and perform the following steps 1 Plug in a headset at pilot and copilot position 2 Tune the GNC NAV receiver to a local VOR station 3 Select NAV audio on the audio panel 4 Ensure the Morse code identifier is being received over the crew headsets 5 Verify the wiring connections to the audio panel if the audio is not heard 6 Ensu...

Страница 69: ...rent The database information is displayed during the unit display start up sequence To check the database 1 Cycle power on the GTR GNC and let the start up sequence complete 2 Press FUNC 3 Turn the outer knob to SYS CONFIGURATION 4 Turn the inner knob to DATABASE INFO 5 Press ENT 6 Verify the frequency database effectivity EFCTV date has not lapsed 6 6 4 5 RS 232 Serial Interface Checks The inter...

Страница 70: ...y The aircraft heading system must be operating properly in order for the RMI needle to point correctly 1 Apply power to the equipment 2 If installed set the RMI select switch to the VLOC position 3 Tune a local VOR station or use a simulated signal from an approved VOR test system 4 Verify the RMI needle swings and points toward the VOR station 6 6 5 2 DME Tuning Check GNC Only Verify the interfa...

Страница 71: ...ter and receiver at the extents of a ground facility s service volume e g FAA AC 23 8A 6 7 2 VOR Flight Check GNC Only 1 Tune a local VOR station within 50 miles 2 Verify the audio IDENT and voice quality and verify that no objectionable electrical interference such as magneto noise is present 3 Verify the Morse code decoder IDs the station 95 probability 4 Fly to and from the station 5 Verify NAV...

Страница 72: ... to the Dealer Resource Center on Garmin s website 2 Download the applicable GTR GNC software to your PC 3 Ensure the flash drive is inserted into the USB slot of the PC 4 Run the executable file that was downloaded and follow the prompts on the screen to create the software loader USB drive 5 Select finish to complete the process after the card has been created 6 Remove the flash drive from the U...

Страница 73: ...tem Display COM or NAV Each software item must be separately updated After update verify the software updates loaded successfully System Display Software Update 1 Turn the outer knob to SYS CONFIGURATION 2 Turn the inner knob to DISPLAY UPDATE 3 Press ENT 4 Press ENT again 5 Verify the available display software update is displayed 6 Press ENT again to begin the software update process NAV Softwar...

Страница 74: ...t was downloaded from www flyGarmin com NOTE See section 1 11 for instructions on loading the frequency database onto the USB flash drive 1 Insert the supplied USB cable into the USB port of the GTR GNC 2 Insert the flash drive containing the database update into the other end of the cable 3 Press FUNC 4 Turn the outer knob to SYS CONFIGURATION 5 Turn the inner knob to LOAD DATABASE 6 Press ENT 7 ...

Страница 75: ... 7 CONTINUED AIRWORTHINESS Maintenance of the GTR 225 GTR 225A GTR 225B GNC 255A or GNC 255B is on condition only For regulatory periodic functional checks refer to approved aircraft maintenance manuals or manual supplements for actual aircraft maintenance requirements ...

Страница 76: ... Page A 1 APPENDIX A ENVIRONMENTAL QUALIFICATION FORM Visit the Garmin Dealer Resource Center for RTCA DO 160F Environmental Qualification Forms EQFs The GTR Series GTR 225 225A 225B EQF is P N 005 00658 02 The GNC Series GNC 255A 255B EQF is P N 005 00658 03 ...

Страница 77: ...ter 03 hex B 1 3 Aviation Output Sentence Type 1 The Type 1 output sentences have the following general format id item designator single ASCII alphabetic character dddd item data 1 to 10 printable ASCII characters CR ASCII carriage return character 0D hex LF ASCII line feed character 0A hex 1 Note 1 The line feed character is not output if the RS 232 port is configured as Aviation Output 2 Each Ty...

Страница 78: ...de where s E east or W west ddd degrees mm minutes hh hundredths of minutes C d d d Track in whole degrees D s s s Ground speed in knots E d d d d d Distance to waypoint in tenths of nautical miles G s n n n n Cross track error where s L left or R right of course nnnn error in hundredths of nautical miles I d d d d Desired track in tenths of degrees K c c c c c Destination waypoint identifier will...

Страница 79: ...age return character 0D hex LF ASCII line feed character 0A hex Each waypoint in the route being navigated by the interfacing equipment has a Type 2 sentence output by the interfacing navigation equipment approximately once every second If no route is being navigated by the interfacing navigation equipment i e the active route is empty the following Type 2 sentence is output approximately once eve...

Страница 80: ... nnnnn route sequence number of waypoint unsigned binary wpt 1 5 Destination waypoint identifier will be blank filled on right if less than 5 characters in identifier lat 1 2 3 s d d d d d d d x x m m m m m m x h h h h h h h s 0 north or 1 south ddddddd latitude degrees unsigned binary xx undefined mmmmmm latitude minutes unsigned binary x undefined hhhhhhh hundredths of latitude minutes unsigned ...

Страница 81: ...a COMM or NAV message The GTR and COM portion of the GNC use C while message for the NAV portion of the GNC use V nn Message identifier two digit number in ASCII characters d d Message data characters defined for each message chksum Message checksum including message identifier nn through data characters d d The two digit checksum is generated by adding all values of valid characters together igno...

Страница 82: ...another request for the same message is received in this period then the previous request will be lost The amount of lag depends on the number of messages that are consecutively flagged for output Use of unsupported output identifiers will not generate a Communication Error message Message format GNC NAV requests V Message class This is a GNC NAV request 24 Message identifier ii Output identifier ...

Страница 83: ...ASCII 0 25 kHz frequency 000 1 first 8 33 kHz channel offset 005 2 second 8 33 kHz channel offset 010 3 third 8 33 kHz channel offset 015 Example message PGRMC00G4N0 chksm CR LF This example command would set the active COM frequency to 119 100 MHz and place the COMM radio in Normal receive mode This is interpreted by noting that the ASCII G corresponds with 47h 30h 77h converted to decimal equals...

Страница 84: ... This example command would set the standby COM frequency to 123 565MHz and place the COM radio in Monitor mode This is interpreted by noting that the ASCII G corresponds with 47h 30h 77h converted to decimal equals 119 for the MHz portion The kHz portion converts ASCII F to 46h 30h yields 16h x25 kHz steps 550 kHz add 3 8 33 channels 565 kHz NOTE The GTR GNC will check input frequencies for valid...

Страница 85: ...is used to adjust the configured channel spacing for COM frequencies Message format C Message class This is a GTR GNC COM message 13 Message ident ss New spacing ASCII 83 8 33 kHz spacing 25 25 kHz spacing Example message PGRMC183 chksm CR LF Set channel spacing to 25 kHz B 2 4 1 7 COM Keypad Input Display Software Version 2 10 or later This input is used to press keys as though the display was on...

Страница 86: ...equency 25 kHz 30h with desired frequency in range of 000 to 950 kHz in 50 kHz steps or the even numbers from 30h to 56h 0 Reserved data in this field will be ignored Example message PGRMV27E40 chksm CR LF This example command would set the active VOR frequency to 117 100MHz This can be interpreted by noting that the ASCII E corresponds with 45h 30h 75h converted to decimal equals 117 for the MHz ...

Страница 87: ... frequency 25 kHz 30h with desired frequency in range of 000 to 975 kHz in 50 kHz steps or the even numbers from 30h to 56h 0 Reserved data in this field will be ignored Example message PGRMV28 P0 chksm CR LF This example command would set the standby VOR frequency to 111 800MHz This is interpreted by noting that the ASCII corresponds with 3Fh 30h 6Fh converted to decimal equals 111 for the MHz po...

Страница 88: ...message PGRMV31I chksm CR LF Set the current NAV Audio mode to IDENT B 2 4 1 11 Set Omni Bearing Select OBS Value This message is used to set the OBS value used by the GNC as the selected radial for computing the course deviation from a VOR This message will have no effect unless the GNC is configured to use the serial port as its OBS source NONE or SERIAL Message format V Message class This is a ...

Страница 89: ...Software Version 2 10 or later This input is used to press keys as though the display was on the main NAV screen Message Format V Message class This is a GNC NAV message 44 Message identifier p Key press F Flip flop key Example message PGRMV44F chksm CR LF Flip flops the NAV active and standby frequencies ...

Страница 90: ...I Intercom no other status applicable R Normal receive M Monitor receive T Transmit active S Stuck mic F COM failure s Squelch setting ASCII 0 automatic 1 manual override SQ shown in upper left corner of COM active frequency hh COM channel spacing ASCII 25 25 kHz mode 83 8 33 kHz mode o Active frequency 8 33 kHz offset ASCII 0 25 kHz frequency 000 1 first 8 33 kHz channel offset 005 2 second 8 33 ...

Страница 91: ...ge PGRMC030100 chksm CR LF COM Software version is 01 00 B 2 4 2 4 GTR GNC COM Status This message is used to output the GTR GNC COM Status Message format C Message class This is a GTR GNC COM message 13 Message identifier a COM needs service ASCII 0 OK 1 COM transmit capabilities not reliable b COM status ASCII 0 OK 1 COM functions not available c Push to Talk key stuck ASCII 0 OK 1 Stuck d Remot...

Страница 92: ...n normal mode Message format V Message class This is a GNC NAV message 41 Message identifier a VLOC needs Service ASCII 0 OK 1 Lateral course guidance not reliable b VLOC Status ASCII 0 OK 1 VLOC and Glide slope course guidance not available c Glide Slope needs service ASCII 0 OK 1 Vertical course guidance not reliable d Glide Slope Status ASCII 0 OK 1 Glide slope course guidance not available e N...

Страница 93: ...ates full deflection downwards 120 indicates max up down deflection ff Flags Eight bits for HNAV and VNAV related flags represented as two encoded hex digits Bit 1 lsb Reserved Bit 2Localizer detect 1 using localizer Bit 3 FROM flag 1 From 2 Bit 4TO flag 1 To Bit 5GSI superflag 1 hidden Bit 6GSI valid 1 valid Bit 7NAV superflag 1 hidden Bit 8 msb NAV valid 1 valid Example message PGRMV219 64 chksm...

Страница 94: ...id ddd Three digit OBS setting in degrees Values are in the range of 000 to 359 Example message PGRMV22V170 chksm CR LF A valid OBS setting of 170 degrees B 2 4 2 8 Radial From Active VOR This message outputs the current bearing from the active VOR station Message format V Message class This is a GNC NAV message 23 Message identifier v Valid flag 0 bearing not valid V bearing is valid dddf Bearing...

Страница 95: ...ed identifier is less than five characters in length then the trailing characters will be filled in with spaces Identifiers are restricted to using ASCII character 0 9 and A Z Example message PGRMV25VISLE Sp chksm CR LF The decoded station identifier is valid and is ISLE B 2 4 2 10 Communications Error This message is used to indicate a communication error Message format GNC NAV error V Message cl...

Страница 96: ...lie on 50 kHz boundaries i e 108 00 108 05 108 10 etc N Reserved Example message PGRMV28E4 PN chksm CR LF Active NAV frequency is 117 100 MHz Standby NAV frequency is 111 800 MHz B 2 4 2 12 NAV Audio Mode This message is used to output the current NAV audio mode There are two possible settings for this mode There are two possible settings for this mode The first is IDENT which will suppress the vo...

Страница 97: ...VOR LOC Frequency and Receiver Function NAV Receiver Status V 31 Set NAV Audio Mode NAV Audio Mode V 34 Set OBS Value Notes Class C GTR GNC COM message V GNC NAV message Class Ident Description Length Output Rate Comment V 20 Reset Status 12 At startup Upon request V 21 CDI VDI and Flags 18 High V 22 Decoded OBS setting 16 High V 23 Radial From Active VOR 17 High V 25 Decoded Station Identifier 18...

Страница 98: ...1 Drawing List The following drawings are included in this section Figure C 1 GTR GNC Dimensions Figure C 2 GTR GNC Mounting Rack Figure C 3 GNC Center of Gravity Figure C 4 GTR Center of Gravity Figure C 5 GTR GNC Rear Connector Layout Detail Figure C 6 Panel Cutout Detail Figure C 7 GTR Mounting Rack ...

Страница 99: ...NC Dimensions 6 250 158 75 BEZEL 1 715 43 56 6 300 160 02 RACK 11 230 285 24 STRAIN RELIEF 10 410 264 41 COAX 1 650 41 91 BEZEL 0 650 16 51 0 437 11 10 8 000 203 20 0 325 8 26 Ø 200 5 08 THRU CS K Ø 300 7 62 x 100 INSIDE RACK 3 PER SIDE 0 770 19 56 0 700 17 78 1 725 43 82 9 090 230 89 ...

Страница 100: ...GNC Mounting Rack 115 01613 00 GTN GNC MOUNTING RACK 011 02721 10 GNC CONNECTOR KIT 212 00022 00 2X SHOULDER WASHER 125 00281 20 GTR GNC BACKPLATE 211 60234 08 4X SCREW 4 40 X 250 330 00053 01 2X BNC CONNECTOR PART OF 330 00053 01 JAM NUT 2X PART OF GNC CONNECTOR KIT SCREW 4 40 X 250 ...

Страница 101: ...R 225 GNC 255 TSO Installation Manual Rev F Page C 4 Figure C 3 GNC Center of Gravity 2 81 7 2 167 75 723 2 167 75 723 2 6 2 2876 2 167 75 723 2 127 6 0 16 216 5 1 1 6 0 16 216 5 25 5 5 1 21 1 81 7 21 1 81 7 1 167 75 ...

Страница 102: ... 225 GNC 255 TSO Installation Manual Rev F Page C 5 Figure C 4 GTR Center of Gravity 2 81 7 2 167 75 723 2 167 75 723 2 6 2 2876 2 167 75 723 2 75 81 7 21 75 81 7 1 167 75 127 6 0 16 216 5 1 1 6 0 16 216 5 25 5 5 1 21 ...

Страница 103: ...190 01182 02 GTR 225 GNC 255 TSO Installation Manual Rev F Page C 6 Figure C 5 GTR GNC Rear Connector Layout Detail P2002 62 PIN P2001 44 PIN COM NAV 4 460 REF 1 538 REF REAR VIEW OF CONNECTOR PLATE ...

Страница 104: ...UTOUT RACK INSTALLED FROM FRONT OF AIRCRAFT PANEL OPTION 3 RADIO CUTOUT RACK INSTALLED FROM BACK OF AIRCRAFT PANEL ONLY MAXIMUM AIRCRAFT PANEL THICKNESS IS 125 NOTES ALL OPTIONS 1 DIMENSIONS ARE IN INCHES 2 IF THE FRONT LIP OF THE MOUNTING RACK IS BEHIND THE SURFACE OF THE AIRCRAFT INSTRUMENT PANEL THE UNIT CONNECTORS MAY NOT FULLY ENGAGE 3 TOLERANCE 0 03 1 77 6 32 1 65 6 25 6 32 ...

Страница 105: ...TSO Installation Manual Rev F Page C 8 Figure C 7 GTR Mounting Rack GTR GNC MOUNTING RACK TAB DURING INSTALLATION OF THE MOUNTING RACK ENSURE EDGE OF THE TAB BOTTOM FLANGE OF THE RACK IS FLUSH WITH THE FACE OF THE INSTURMENT PANEL ...

Страница 106: ...D 5 GTR GNC Audio Panel Interconnect Figure D 6 GTR GNC MIC Interconnect Figure D 7 GNC VOR ILS Interconnect Figure D 8 GTR GNC Switches Interconnect Figure D 9 GNC RMI OBI Interconnect Figure D 10 GNC King Serial DME Remote Mount Interconnect Figure D 11 GNC Parallel 2 of 5 DME Tuning Interconnect Figure D 12 GNC Parallel Slip Code DME Tuning Interconnect Figure D 13 GNC King Serial DME Panel Mou...

Страница 107: ...COM REMOTE TRANSFER SWITCH COM REMOTE TUNE UP COM REMOTE TUNE SWITCHES COM REMOTE TUNE DOWN MICROPHONE VOR OBI NAV ARINC 429 OUT POWER GROUND AIRCRAFT POWER GROUND PARALLEL DME TUNING NAV DME COMMON NAV REMOTE TRANSFER NAV REMOTE TRANSFER SWITCH LAT DEVIATION FLAGS TO FROM VERT DEVIATION FLAGS SUPERFLAGS VOR OBS VLOC COMPOSITE OUT NAV ILS ENERGIZE SERIAL DME CLOCK DATA DME REQUEST COMMON GTR GNC C...

Страница 108: ...IO IN LO COM MIC 1 KEY COM MIC 1 AUDIO IN HI 500 COM AUDIO LO 500 COM AUDIO HI 7 18 5 11 20 AIRCRAFT POWER AIRCRAFT POWER 43 30 AIRCRAFT GND AIRCRAFT GND 38 37 44 40 5A 28 VDC AVIONICS BUS 10A 14 VDC AIRCRAFT POWER AIRCRAFT GND AIRCRAFT GROUND P2003 P2004 AIRCRAFT GND 61 COM ANTENNA NAV ANTENNA AIRCRAFT POWER 51 ALERT 2 AUDIO IN LO AIRCRAFT POWER 52 AIRCRAFT GND 62 COM ANTENNA NAV ANTENNA AIRCRAFT...

Страница 109: ...ARGER UNLESS OTHERWISE SPECIFIED GROUND DESIGNATIONS SHIELD BLOCK GROUND AIRFRAME GROUND AT THE GTR GNC CONNECT SHIELD GROUNDS TO THE CONNECTOR BACKSHELL THE SHIELD TERMINATION LEADS SHOULD BE LESS THAN 3 0 CONNECT OTHER END OF THE SHIELD PER THE REMOTE EQUIPMENT INSTALLATION REQUIREMENTS SEE FIGURE D 3 FOR POWER AND GROUND WIRING DETAILS 1 2 S 3 4 ...

Страница 110: ...ULATION FROM SURROUNDING CONTACTS CONNECTOR P2002 IS ONLY APPLICABLE TO THE GNC 255 OPTIONAL CONNECTION LIGHTING CAN BE CONTROLLED BY THE INTEGRATED PHOTOCELL A SINGLE LIGHTING BUS OR DUAL LIGHTING BUSES P2001 GTR GNC LIGHTING BUS 1 HI LIGHTING BUS 1 LO 8 22 AIRCRAFT POWER AIRCRAFT POWER 43 30 AIRCRAFT GND AIRCRAFT GND 38 37 44 40 9 AVIONICS BUS 9 AIRCRAFT POWER AIRCRAFT GND COM LIGHTING BUS 2 HI ...

Страница 111: ... GNC Antennas Interconnect Sheet 1 of 4 GTR GNC 2 COM P2003 COM Antenna NAV P2004 VOR LOC GS Antenna GTR GNC 1 COM P2003 COM Antenna NAV P2004 Splitter 1 2 S GTR GNC COM P2003 COM Antenna NAV P2004 VOR LOC GS Antenna SINGLE GTR GNC INSTALLATION DUAL GTR GNC INSTALLATION 3 1 s 1 2 2 2 ...

Страница 112: ... 4 GNC COM P2003 COM Antenna NAV P2004 G S Antenna SINGLE GNC DUAL NAV ANTENNA INSTALLATION Diplexer G S VOR ANT 4 VOR LOC Antenna 1 GNC 2 COM P2003 NAV P2004 GNC 1 COM P2003 NAV P2004 COM Antenna COM Antenna Splitter 1 2 S 3 G S Antenna VOR LOC Antenna DUAL GNC DUAL NAV ANTENNA INSTALLATION Diplexer G S VOR ANT 1 5 4 5 ...

Страница 113: ...tenna VOR LOC Antenna VHF NAV RADIO WITH SEPARATE G S AND VOR LOC ANTENNA PORTS G S VOR LOC GS Antenna GNC NAV P2004 Splitter 1 2 S SINGLE GNC OTHER RADIO AND SINGLE ANTENNA Diplexer G S VOR ANT VOR LOC Splitter 1 2 S Diplexer G S VOR ANT G S VOR LOC VHF NAV RADIO WITH SEPARATE G S AND VOR LOC ANTENNA PORTS 3 3 3 SINGLE GNC OTHER RADIO AND DUAL ANTENNAS 4 5 ...

Страница 114: ...NS P2004 NAV ANTENNA PORT IS ONLY APPLICABLE TO THE GNC MODEL GARMIN P N 013 00112 00 MINI CIRCUITS SPLITTER P N ZFSC 2 1B OR EQUIVALENT SHOULD BE USED COMANT DIPLEXER P N CI 507 MAY BE USED THE DIPLEXER IS INSTALLED BACKWARDS FROM TRADITIONAL APPLICATIONS WHEN A G S AND VOR LOC ANTENNA IS INSTALLED IT IS REQUIRED TO JOIN THE SIGNALS OF BOTH ANTENNAS WITH THE CI 507 DIPLEXER 1 2 3 4 5 ...

Страница 115: ... VOR LOC AUDIO OUT HI 7 18 5 11 20 P2001 16 17 3 COM MIC 1 AUDIO IN HI 500 VOR LOC AUDIO OUT LO 3 5 P2002 8 PS ENGINEERING GARMIN PMA 8000 PMA 6000 PMA 7000 J1 BOTTOM BOTTOM SL 10 SERIES SL 15 SERIES GMA 340 GMA 35 350 GMA 347 BOTTOM J1 3501 J3471 GND LUG GND LUG GND LUG GND LUG GND LUG R V P H 9 10 9 13 10 14 11 15 12 30 7 12 8 13 26 32 27 33 8 13 9 13 10 14 11 15 12 30 10 14 9 10 P H R V 12 13 G...

Страница 116: ...LETE PINOUT AND INTERCONNECT INFORMATION PINOUTS OF OTHER UNITS SHOWN FOR REFERENCE ONLY SHIELDS FOR AUDIO CABLES SHOULD BE GROUNDED AT ONE END WITH LEADS LESS THAN 3 0 AND LEFT FLOATING AT THE OTHER END IF SHIELDED AUDIO CABLE IS CARRIED THROUGH A DISCONNECT CARRY THE SHIELD GROUND THROUGH THE DISCONNECT ON A SEPARATE PIN CONNECTING TWO MICROPHONES TO MIC AUDIO HI LO AT THE SAME TIME MAY RESULT I...

Страница 117: ... ELECTRICALLY ISOLATED FROM GROUND THIS MAY REQUIRE THE USE OF INSULATING WASHERS WHEN MOUNTING THE PHONE PLUGS ADDITIONALLY THE SPEAKER RETURN MUST BE ISOLATED FROM GROUND COM MIC 1 KEY 11 COM MIC 1 AUDIO IN HI MIC AUDIO IN LO 20 5 s MIC JACK PILOT PTT COM MIC 2 KEY 26 COM MIC 2 AUDIO IN HI 6 s MIC JACK COPILOT PTT s 500 OHM COM AUDIO HI 7 500 OHM COM AUDIO LO 18 PILOT HEADSET COPILOT HEADSET s S...

Страница 118: ...R OBS ROTOR C VOR OBS STATOR G GND VOR OBS STATOR F VOR LOC COMPOSITE OUT ILS ENERGIZE GLIDESLOPE UP GLIDESLOPE FLAG 5 6 1 2 3 4 55 32 34 10 9 53 11 13 14 12 29 8 P2002 s s s s s s s s s BENDIX KING GARMIN 28 25 29 24 10 6 KI 209A P209A1 KI 208A P208A1 10 6 KI 208 P2081 4 2 KI 206 P2061 n j e S N F m H k c Z J P L W T KI 204 P2041 m H k J K Y KI 203 P2031 K Y KI 202 P2021 n j e S N F c Z P L W T G...

Страница 119: ...SIGNATIONS SHIELD BLOCK GROUND AIRFRAME GROUND AT THE GNC CONNECT SHIELD GROUNDS TO THE CONNECTOR BACKSHELL THE SHIELD TERMINATION LEADS SHOULD BE LESS THAN 3 0 CONNECT OTHER END OF THE SHIELD PER THE REMOTE EQUIPMENT INSTALLATION REQUIREMENTS REFER TO MANUFACTURER S DOCUMENTATION FOR COMPLETE PINOUT AND INTERCONNECT INFORMATION PINOUTS OF OTHER UNITS SHOWN FOR REFERENCE ONLY 1 2 S 3 4 ...

Страница 120: ...MAY OPTIONALLY USE TWO GRAYHILL SWITCHES P N 30 3 ALTERNATIVELY AN ON OFF ON SWITCH CARLINGSWITCH P N 62012481 0 0 CAN BE USED THE INTERCOM ON OFF SWITCH IS AN OPTIONAL SWITCH THAT MAY BE INSTALLED TO ENABLE DISABLE THE GTR GNC INTERCOM FUNCTION ALTERNATELY THE INTERCOM MAY BE ENABLED DISABLED VIA THE FUNCTION MENU OPTIONS ON THE GTR GNC MAY OPTIONALLY USE GRAYHILL SWITCH P N 30 3 VLOC REMOTE TRAN...

Страница 121: ...UIPMENT INSTALLATION REQUIREMENTS IF NO SHIELD TERMINATION REQUIREMENT EXISTS FOR THE REMOTE EQUIPMENT TERMINATE SHIELDS AS SHORT AS POSSIBLE NOT TO EXCEED 3 0 REFER TO MANUFACTURER S DOCUMENTATION FOR COMPLETE PINOUT AND INTERCONNECT CONFIGURATION INFORMATION PINOUTS OF OTHER UNITS SHOWN FOR REFERENCE ONLY RADIO MAGNETIC INDICATOR OBI SYNC OBI CLOCK OBI DATA P2002 25 27 26 VOR OBI SYNC VOR OBI DA...

Страница 122: ...AV REQUEST CLOCK BUS DATA BUS 15 11 12 BENDIX KING KDI 572 KDI 574 P5721 P5741 NAV 1 COMMON 48 DME REQUEST NAV 2 COMMON 17 49 15 11 12 48 17 49 P2002 18 19 20 SERIAL DME RNAV CH REQ SERIAL DME DATA SERIAL DME CLOCK GNC 1 41 NAV DME COMMON s s s P2002 18 19 20 SERIAL DME RNAV CH REQ SERIAL DME DATA SERIAL DME CLOCK GNC 2 41 NAV DME COMMON s s s KDM 706 P7061 8 9 24 10 BIT 50 BIT SELECT 33 33 N C s ...

Страница 123: ...NC CONNECT SHIELD GROUNDS TO THE CONNECTOR BACKSHELL THE SHIELD TERMINATION LEADS SHOULD BE LESS THAN 3 0 REFER TO MANUFACTURER S DOCUMENTATION FOR COMPLETE PINOUT AND INTERCONNECT INFORMATION PINOUTS OF OTHER UNITS SHOWN FOR REFERENCE ONLY THE GNC MAY BE CONFIGURED AT INSTALLATION TO OUTPUT KING SERIAL DME TUNING DATA UNDER THE DME CHANNEL MODE SEE SECTION 6 4 2 4 FOR CONFIGURATION SETTINGS FOR S...

Страница 124: ...NARCO DME 890 COLLINS DME 42 COLLINS DME 40 P301 P301 P1 P1 31 12 30 11 28 9 27 35 32 8 2 3 4 5 B C D 1 H E 28 32 43 35 11 19 42 52 44 51 12 27 BENDIX KING KN 62A 12 9 8 11 7 4 C 5 D M J H 6 28 32 43 35 11 19 42 52 44 48 50 51 12 27 P621 GNC PAR DME 1MHZ A PAR DME 1MHZ B PAR DME 1MHZ C PAR DME 1MHZ D SERIAL DME ON PAR DME 1MHZ E PAR DME 100KHZ A SERIAL DME HOLD PAR DME 100KHZ B PAR DME 100KHZ C DM...

Страница 125: ...ARALLEL 2X5 DME CHANNELING MODE FOR PROPER OPERATION WITH THIS MODEL OF DME TRANSCEIVER THE GNC SHOULD BE CONFIGURED FOR NARCO 890 891 DME CHANNELING MODE FOR PROPER OPERATION WITH THIS MODEL OF DME TRANSCEIVER DME 42 SHOULD BE STRAPPED FOR 2X5 TUNING REFER TO COLLINS DME 42 INSTALLATION MANUAL FOR STRAPPING INFORMATION FOR DUAL GNC INTERFACES TO THE DME IT MAY BE NECESSARY TO INSTALL A TOGGLE SWI...

Страница 126: ... OPERATION IN THIS CONFIGURATION SEE SECTION 6 FOR CONFIGURATION SETTINGS FOR DUAL GNC INTERFACES TO THE DME IT MAY BE NECESSARY TO INSTALL A TOGGLE SWITCH FOR THE DME COMMON INPUT INSTALL SWITCH AS SHOWN FOR KING SERIAL PANEL DME INTERCONNECT PARALLEL SLIP CODE TUNED DME BENDIX KING KN 65 P651 GNC PAR DME 1MHZ A PAR DME 1MHZ B PAR DME 1MHZ C PAR DME 1MHZ D SERIAL DME ON PAR DME 100KHZ A SERIAL DM...

Страница 127: ...9 20 SERIAL DME RNAV CH REQ SERIAL DME DATA SERIAL DME CLOCK GNC 1 KING SERIAL DME PANEL MOUNTED DME 14 13 L 14 13 L BENDIX KING KN62 62A KN64 P621 P62A1 P641 41 DME COMMON DME COMMON NAV 1 NAV 2 NAV SELECTION SW P2002 18 19 20 SERIAL DME RNAV CH REQ SERIAL DME DATA SERIAL DME CLOCK GNC 2 41 DME COMMON 6 s s s s s s 5 5 s s s s s s s s s C SERIAL DME REQUEST SERIAL DME REQUEST 44 44 N C N DME REQU...

Страница 128: ...HIELD TERMINATION REQUIREMENT EXISTS FOR THE REMOTE EQUIPMENT TERMINATE SHIELDS AS SHORT AS POSSIBLE NOT TO EXCEED 3 0 REFER TO MANUFACTURER S DOCUMENTATION FOR COMPLETE PINOUT AND INTERCONNECT INFORMATION PINOUTS OF OTHER UNITS SHOWN FOR REFERENCE ONLY THE GNC MAY BE CONFIGURED AT INSTALLATION TO OUTPUT KING SERIAL DME TUNING DATA UNDER THE DME CHANNEL MODE SEE SECTION 6 4 2 4 FOR CONFIGURATION S...

Страница 129: ...IS CONFIGURATION CONFIGURE THE GNC CDI INDICATOR TYPE TO NONE THE GNC WILL SEND NAVIGATION DATA TO THE GDU 620 OVER ARINC 429 WHICH ALLOWS THE GNC RS 232 INPUT TO BE USED FOR A GPS SOURCE SEE FIGURE D 15 FOR GPS SOURCE INTERCONNECT DETAILS REFER TO GDU 620 INSTALLATION MANUAL FOR NAV INPUT OPTIONS AND CONFIGURATION CONFIGURE THE GDU 620 TO USE AN ARINC 429 NAV RADIO SUCH AS GNS 430W ANY AVAILABLE ...

Страница 130: ...MENTS CONFIGURE RS 232 OUTPUT TO AVIATION FORMAT 1 FORMAT ANY AVAILABLE RS 232 OUTPUT PORT MAY BE USED CONFIGURE RS 232 OUTPUT TO AVIATION FORMAT ANY AVAILABLE RS 232 OUTPUT PORT MAY BE USED CONFIGURE GTR GNC SERIAL PORT FOR AVN IN MAPCOM CONFIGURE RS 232 OUTPUT TO MAPCOM FORMAT RS 232 OUTPUT PORT 1 OR PORT 5 MAY BE USED P2001 GTR GNC 16 RS 232 IN s s RS 232 OUT 1 RS 232 GROUND 1 RS 232 GND 31 P10...

Страница 131: ...D GROUND DESIGNATION SHIELD BLOCK GROUND AT GNC CONNECT SHIELD GROUNDS TO THE CONNECTOR BACKSHELL THE SHIELD TERMINATION LEADS SHOULD BE LESS THAN 3 0 CONNECT OTHER END OF THE SHIELD PER THE REMOTE EQUIPMENT INSTALLATION REQUIREMENTS CONFIGURE GNC SERIAL PORT FOR AVN IN MAPCOM 3 RS 232 IN 2 SERIAL GND 1 1 31 s RS 232 OUT RS 232 GND 21 3 s P2001 P2001 GTR GNC 1 2 S 3 4 ...

Страница 132: ......

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