Garmin GDL 82 Installation Manual Download Page 64

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190-01810-00

GDL 82 TSO Installation Manual

Rev. 5

Page 9-1

Mechanical Drawings

This section contains mechanical drawings with dimensions and center of gravity required for the installation of the GDL 82.

Figure 9-1 GDL 82 Dimensions and Center of Gravity

Summary of Contents for GDL 82

Page 1: ...190 01810 00 March 2018 Revision 5 GDL 82 TSO Installation Manual ...

Page 2: ...revision must contain the complete text of this copyright notice and provided further that any unauthorized commercial distribution of this manual or any revision hereto is strictly prohibited Garmin flyGarmin and GDL are registered trademarks of Garmin International or its subsidiaries GTN is a trademarks of Garmin International or its subsidiaries These trademarks may not be used without the exp...

Page 3: ...cal GDL 82 installation REVISION REVISION DATE CHANGE DESCRIPTION 1 09 19 2017 Initial Release 2 10 12 2017 Updated software and CLD part numbers 3 12 08 2017 Updated ADS B In receiver descriptions 4 01 17 2018 Updated figure 5 1 J821 connector 5 03 08 2018 Updated PC requirements USB cable length and discrete input information SECTION CHANGE DESCRIPTION 7 1 Updated required Windows operating syst...

Page 4: ...IS NOTICE IS BEING PROVIDED IN ACCORDANCE WITH CALIFORNIA S PROPOSITION 65 IF YOU HAVE ANY QUESTIONS OR WOULD LIKE ADDITIONAL INFORMATION PLEASE REFER TO OUR WEBSITE AT WWW GARMIN COM PROP65 WARNING PERCHLORATE MATERIAL SPECIAL HANDLING MAY APPLY REFER TO WWW DTSC CA GOV HAZARDOUSWASTE PERCHLORATE CAUTION TO AVOID DAMAGE TO THE GDL 82 UNIT TAKE PRECAUTIONS TO PREVENT ELECTRO STATIC DISCHARGE ESD W...

Page 5: ...n Aviation Safety Agency EGNOS European Geostationary Navigation Overlay Service ELT Emergency Locator Transmitter EQF Environmental Qualification Form ETSO European Technical Standard Order F FAA Federal Aviation Administration FAR Federal Aviation Regulation FCC Federal Communications Commission FMS Flight Manual Supplement G GNSS Global Navigation Satellite System GPS Global Positioning System ...

Page 6: ...BAS Satellite Based Augmentation System T TAS Traffic Advisory System TCAS Traffic Alert and Collision Avoidance System TNC Threaded Neill Concelman TSO Technical Standard Order U UAT Universal Access Transceiver UHF Ultra High Frequency USB Universal Serial Bus UTC Universal Time Coordinated V VDOP Vertical Dilution of Precision VFOM Vertical Figure of Merit VHF Very High Frequency VSWR Voltage S...

Page 7: ...iderations 4 1 4 1 Installation Requirements 4 1 4 2 Pre Installation Transponder Check 4 2 4 3 GDL 82 External Sensors and Devices 4 3 4 4 Antenna Requirements 4 4 4 5 Antenna Considerations 4 6 4 6 Interference Considerations 4 9 5 Connector Pinouts 5 1 5 1 J821 Connector 5 2 5 2 Functional Descriptions 5 3 6 Installation Procedures 6 1 6 1 Cabling and Wiring General Instructions 6 1 6 2 Coaxial...

Page 8: ... 6 3 Figure 6 3 Jackscrew Backshell Assembly 6 5 Figure 6 4 GPS Antenna Ground Plane 6 8 Figure 7 1 USB A and USB B Connectors 7 2 Figure 7 2 GDL 8X Install Tool Selection Page 7 2 Figure 7 3 Tool Tip Example 7 3 Figure 7 4 Unit Information Page 7 4 Figure 7 5 Discretes Page 7 5 Figure 7 6 GPS Page 7 6 Figure 7 7 GPS Sat Status Page 7 7 Figure 7 8 ADS B Page 7 8 Figure 7 9 Faults Page 7 9 Figure 7...

Page 9: ... 3 1 GDL Part Numbers 3 2 Table 3 2 Installation Materials included in Standard Kit 3 2 Table 3 3 Socket Contact Part Numbers 3 2 Table 3 4 GA 35 Antenna Garmin P N 013 002035 00 3 2 Table 3 5 Optional Accessories 3 3 Table 3 6 Recommended Crimp Tools 3 4 Table 4 1 Pre Installation Check 4 2 Table 4 2 Acceptable L Band Antennas 4 4 Table 4 3 Acceptable GPS SBAS Antennas 4 5 Table 5 1 J821 Connecto...

Page 10: ... a specific type or class of aircraft must determine that the aircraft installation conditions are within the standards which include any accepted integrated functions not specified by the standards TSO articles articles approved with 14 CFR part 21 8 d and any accepted integrated function s not specified in the standard must have separate approval for installation in an aircraft The article may b...

Page 11: ...stem GPS Augmented by the Satellite Based Augmentation System SBAS TSO C145d DO 229D B2 X X Universal Access Transceiver UAT Automatic Dependent Surveillance Broadcast ADS B Equipment Operating on Frequency of 978 MHz TSO C154c DO 282B B1S DESCRIPTION P NS System Software 006 B2343 00 through 0 GPS SBAS Software 006 B1827 00 through 0 CLD FPGA 006 C0177 22 through 2 GPS WAAS ASIC 590 00039 02 thro...

Page 12: ... 282B paragraph 2 2 4 5 2 5 1 e that specifies the use of only ground speed in determining the Vertical Status of light aircraft 2 Garmin was granted a deviation from RTCA DO 282B section 2 2 4 5 4 15 to not provide installers with a configuration option to enable or disable Call Sign Identification CSID Logic 3 Garmin was granted a deviation from RTCA DO 282B section 2 2 12 to not provide a suppr...

Page 13: ... according to 14 CFR 91 411 91 413 and Part 43 Appendix F The aircraft must be returned to service in a means acceptable to the appropriate aviation authority DOCUMENT P N 14 CFR 91 227 Garmin ADS B Out Compatible Equipment 190 01533 00 GA 35 GA 36 GA 37 Antenna Installation Instructions 190 00848 00 GDL 82 Environmental Qualification Form 005 01008 20 GDL 82 Pilot Quick Start Guide 190 01810 13 D...

Page 14: ...pt from licensing please visit the FCC website http wireless fcc gov aviation If an aircraft license is required submit an application for a license on FCC form 404 To provide forms by fax the FCC also has a fax on demand service Outside the US contact the responsible telecommunication authority The GDL 82 owner accepts all responsibility for obtaining the proper licensing before using the transce...

Page 15: ...he UAT data link It interrogates connected transponders for Mode 3 A squawk code IDENT status and pressure altitude The GDL 82 with GPS SBAS includes an internal GPS SBAS receiver This receiver allows the unit to function as its own position source for the ADS B Out message when an approved position source interface is not installed Operation of the GDL 82 with internal GPS SBAS receiver depends o...

Page 16: ...L 82 weight unit only 0 90 lbs 0 41 kg GDL 82 weight installed with connectors 0 99 lbs 0 45 kg GDL 82 with GPS SBAS weight unit only 1 13 lbs 0 51 kg GDL 82 with GPS SBAS weight installed with connectors 1 22 lbs 0 55 kg Connector kit weight 0 09 lbs 0 04 kg Operating temperature range 45 C to 70 C Humidity 95 at 65 C Maximum pressure altitude 1 55 000 ft Input Voltage range 9 to 33 VDC UNIT 14 V...

Page 17: ...ter vertical with SBAS Velocity 1165 knots 600 meters second maximum TTFF Time To First Fix 2 20 min typical with current almanac and position Reacquisition 10 seconds typical Position update interval 0 2 sec 5 Hz Time mark 275 Nsec of UTC second Datum WGS 84 SATCOM compatibility Dependent upon antenna selection Antenna power supply 35 mA typical 40 mA max at 4 7 VDC 0 1 VDC nominal minimum 4 3 VD...

Page 18: ...the XPDR RF connector Table 2 6 1090 MHz Receiver Specifications 1 As measured at the XPDR RF connector CHARACTERISTICS SPECIFICATIONS 1 Frequency 1030 MHz Transmit power 53 dBm Frequency tolerance 20 kHz CHARACTERISTICS SPECIFICATIONS 1 Frequency 1090 MHz Frequency tolerance 5 MHz Modulation Binary pulse position Data rate 1 Mbps Sensitivity 25 dBm for 90 MSR ...

Page 19: ...nly OR Discrete Failure Annunciator Power Ground Transponder RS 232 USB PC Config Tool Coax Coax OPTIONAL Discrete Anonymous Mode Switch Discrete Squat WOW Switch GDL 82 GPS Time Mark Coax Figure 2 1 System Interfaces Table 2 7 GDL 82 Interface Summary INTERFACE QUANTITY RS 232 1 Discrete active low inputs 2 Discrete active low output 1 External GPS time mark input 1 USB data port for configuratio...

Page 20: ...Supplied 3 3 3 4 Special Tools 3 4 3 4 1 Milliohm Meter 3 4 3 4 2 Crimp Tool 3 4 3 4 3 Test Equipment 3 4 This section describes hardware equipment required for GDL 82 installations Installation should follow the aircraft TC or STC requirements The installing agency fabricates the wire harness to fit each aircraft For retro fit installations AC 43 13 1B and AC 43 13 2B guidance may be useful ...

Page 21: ... without notice Table 3 4 GA 35 Antenna Garmin P N 013 002035 00 1 Antenna includes 8 32 x 1 00 SS mounting screws qty 4 and O ring qty 1 An antenna doubler may also be required Refer to the applicable antenna installation data MODEL UNIT ONLY KIT STANDARD KIT UNIT P N GDL 82 010 01560 00 010 01560 01 1 011 03946 00 GDL 82 with GPS SBAS 010 01560 30 010 01560 31 2 011 03946 40 ITEM P N Connector K...

Page 22: ...iation accessories The following items are required for installation but not supplied NOTE If using MIL W 22759 18 support and protect the wire 1 Wire MIL W 22759 16 or equivalent 2 Shielded wire MIL C 27500 or equivalent 3 Mounting screws 4 Push pull manually resettable circuit breaker 5 Tie wraps or lacing cord 6 Ring terminals for grounding 7 Coaxial cable RG 400 RG 142B or equivalent and conne...

Page 23: ...e 3 6 Recommended Crimp Tools 3 4 3 Test Equipment The following equipment is required for the pre and post installation checks Ground power source capable of powering all aircraft systems Transponder ramp test set e g Aeorflex IFR 6000 or TIC TR 220 ADS B test set e g Garmin GDL 39 and Garmin Pilot application if a transponder ramp test set is not capable of receiving UAT 978 MHz ADS B Out messag...

Page 24: ...4 4 4 4 2 GPS Antenna 4 5 4 5 Antenna Considerations 4 6 4 5 1 L Band 4 6 4 5 2 GPS GDL 82 with GPS SBAS Only 4 7 4 6 Interference Considerations 4 9 This section provides GDL 82 considerations and requirements for selecting the proper installation locations supporting structure electrical wiring and antenna mounting 4 1 Installation Requirements The GDL 82 requires the following minimum installat...

Page 25: ...eiver Sensitivity IAW Part 43 Appendix F for the existing transponder system Record the observed values of RF Peak Output Power and Receiver Sensitivity RF Peak Output Power ___________ Class A 21 0 dBw 125 watts Class B 18 5 dBw 70 watts Receiver Sensitivity MTL __________ Any Class MTL 73 4 dBm 2 Subtract the anticipated maximum loss 1 5 dB from the peak output power and add 1 5 dB to the sensit...

Page 26: ...na meets the minimum performance specifications New L Band antenna maybe required Refer to section 4 4 1 for specifications of acceptable L Band antenna Due to the nature of antenna radiation patterns nulls or marginal conditions may be observed when measuring a utilized radiated signal from the aircraft In these cases tests from different positions should be performed to determine an acceptable a...

Page 27: ...cal from openings that can affect the radiation pattern e g landing gear doors access doors etc 3 At least 20 inches from any other transponder TAS TCAS DME or 1030 1090 MHz antennas Table 4 2 Acceptable L Band Antennas 1 Not recommended for new installations MANUFACTURER PART NUMBER MODEL DESCRIPTION CONNECTOR TYPE NOTES Aero Antenna AT130 16 DME Transponder TNC DC Grounded Comant CI 100 1 DME Tr...

Page 28: ... MODEL DESCRIPTION CONNECTOR TYPE GARMIN ORDER NUMBER Garmin 013 00235 GA 35 GPS WAAS 1 TNC 013 00235 Aero Antenna AT575 93G TNCF 000 RG 27 NM Garmin 013 00244 GA 36 GPS WAAS TNC 013 00244 Aero Antenna AT575 126G TNCF 000 RG 27 NM Garmin 013 00245 GA 37 GPS WAAS XM TNC 013 00245 Aero Antenna AT2300 126G TNCF 000 RG 27 NM Garmin 013 00261 A33W WAAS TNC 013 00261 Aero Antenna AT575 332G TNCF 000 RG ...

Page 29: ...enna manufacturer s data for installation guidance and minimum performance specifications 4 5 1 L Band The following provides guidance for selecting an optimal location for L Band antenna installation The GDL 82 introduces 1 5 dB of loss to the transmission line between the interfaced transponder and the L Band antenna The GDL 82 should be mounted as close as possible to the antenna to reduce the ...

Page 30: ...et from any VHF COM antenna or any other antenna which may emit harmonic interference at the L1 frequency of 1575 42 MHz NOTE When mounting a combination antenna the recommended distance of two feet or more is not applicable to the distance between the antenna elements in a combination antenna e g GPS and COM GPS and XM provided the combination antenna is TSO authorized and has been tested to meet...

Page 31: ...RCRAFT DISTANCE BETWEEN COM AND GPS ANTENNAS SHOULD BE GREATER THAN 2 FEET GOOD BETTER GREATER THAN 3 INCHES AFT OF WINDSCREEN SIDE VIEW Installation Planning and Considerations 190 01810 00 GDL 82 TSO Installation Manual Rev 5 Page 4 8 Figure 4 2 Fixed Wing GPS Antenna Mounting Considerations GPS ANTENNA 1 ANTENNA Figure 4 3 Rotorcraft GPS Antenna Mounting Considerations ...

Page 32: ...RD THAT AIRCRAFT MUST BE TURNED OFF GROUND BASED CELL PHONES THAT ARE ON EVEN IN A MONITORING STATE CAN DISRUPT GPS SBAS PERFORMANCE Certain non aviation radios including marine transceivers can interfere with civil aviation navigation and surveillance equipment including the GDL 82 The installer is responsible to ensure any modifications are compatible with all previous aircraft modifications If ...

Page 33: ... TSO Installation Manual Rev 5 Page 5 1 5 Connector Pinouts 5 1 J821 Connector 5 2 5 2 Functional Descriptions 5 3 5 2 1 Power and Antennas 5 3 5 2 2 RS 232 5 4 5 2 3 Discrete Inputs 5 4 5 2 4 Discrete Output 5 5 5 2 5 Time Mark Inputs 5 5 ...

Page 34: ...1 Connector Figure 5 1 J821 Connector View Looking at Unit Table 5 1 J821 Connector PIN PIN NAME I O 1 USB D In Out 2 TIME MARK A In 3 TIME MARK B In 4 SQUAT SWITCH In 5 ANONYMOUS MODE In 6 USB D In Out 7 GROUND 8 RS 232 TX1 Out 9 RS 232 RX1 In 10 FAULT ALERT Out 11 USB V In 12 RESERVED 13 RESERVED 14 GROUND 15 POWER In ...

Page 35: ...nput signal is between 2 0 VDC and 33 VDC and or resistance to ground 130 kilohm 5 2 Functional Descriptions 5 2 1 Power and Antennas This section provides power input requirements and antenna connections Refer to section 10 for interconnect information The transponder and antenna connections use BNC coaxial connectors The GPS SBAS antenna uses a TNC coaxial connector Table 5 2 Power Table 5 3 Ant...

Page 36: ...te determines when the aircraft is airborne or on the ground Anonymous Mode The Anonymous Mode discrete input supports activation of the anonymous mode feature When the discrete is grounded and the integrated transponder is tuned to the configured VFR squawk code the GDL 82 will enter anonymous mode If the integrated transponder is not tuned to the VFR squawk code the GDL 82 will not enter anonymo...

Page 37: ...8 Time Mark Inputs The GDL 82 accepts a Time Mark Input signal pair When used with an external position source the navigator sense Time Mark signals connect to the Time Mark input pins Connect a single ended time mark to TIME MARK A PIN NAME CONNECTOR PIN I O FAULT ALERT P821 10 Out FAULT ALERT MEANING ANNUNCIATOR LAMP Active grounded 0 V System is not transmitting all FAA required ADS B data On I...

Page 38: ...Shield terminations for interfaced equipment should be as short as practical Wiring must be shielded as required in section 10 Install wire in accordance with AC 43 13 1B chapter 11 Allow adequate space for installation of cables and connectors For connector and tooling information refer to section 3 The installer supplies and fabricates all cables according to information in this manual Cable len...

Page 39: ...cable and shrink using a heat gun The chosen size of solder sleeve must accommodate the number of conductors present in the cable assembly Refer to M83519 1 2 for 2 conductor and M83519 1 3 for 3 conductor solder sleeves Solder sleeves with preinstalled leads are acceptable Alternate Method a Solder the wire 2 to the exposed braid of the prepared cable b Ensure a solid electrical connection throug...

Page 40: ... from each wire 2 Insert the wire 1 into the pin socket 2 and crimp with one of the recommended crimping tools 3 Insert the pin into the connector housing location as specified by the interconnect drawings in section 10 4 Verify the pin is properly engaged in the connector by tugging on the wire Figure 6 2 Insulation to Pin Socket Clearance WR 163 7 21 2 5 0867 9 6 7 5 5 03 1 ...

Page 41: ...e a 18 22 AWG 8 insulated ring terminal MS25036 149 1 Wrap the cable bundle with silicone fusion tape where the strain relief clamps the bundle 2 Place the connector 6 edge inside of the backshell groove 5 3 Place the smooth side of the backshell strain relief clamp 4 across the cable bundle and secure using two 4 40 x 0 375 panhead screws 3 4 Attach the backshell cover 2 to the backshell using th...

Page 42: ...2 3 5 4 1 6 3 60227 6 2 675 1 5 5266 81 2 127 3 5229 6 5266 81 Installation Procedures 190 01810 00 GDL 82 TSO Installation Manual Rev 5 Page 6 5 Figure 6 3 Jackscrew Backshell Assembly ...

Page 43: ...oss can change significantly between manufacturers The insertion loss for RG type cables shown is considered the worst case scenario Refer to the cable manufacturer s specification sheet for the actual cable attenuation insertion loss 2 Supplier information for reference only Carlisle IT 5300 W Franklin Drive Franklin WI 53132 Tel 800 327 9473 www carlisle com 3 RG types are obsolete reference onl...

Page 44: ... Table 6 3 Acceptable GPS dB Loss 6 3 Unit Installation The GDL 82 is mounted with four 6 32 inch screws and self locking nuts Use the dimensions shown in section 9 to prepare unit mounting holes CONNECTOR TYPE APPROXIMATE DB LOSS TNC 0 08 dB BNC 0 20 dB C 0 15 dB N 0 05 dB UNIT MINIMUM MAXIMUM GPS 82 w GPS 1 5 dB 6 5 dB ...

Page 45: ...coax connected to the GDL 82 unit and check the GPS SBAS performance as described in section 8 1 1 Once a suitable location has been verified then permanently mount the antenna For RG 142B or RG 400 coaxial cable 1 5 dB equates to a length of approximately 6 5 feet of cable with a connector on each end RG 142B or RG 400 cable can be used for lengths less than 35 feet For longer lengths use low los...

Page 46: ...mitters If problems arise better isolation or distance may be required between the GPS and COM antennas To reduce or eliminate the harmonic interference install 1575 42 MHz notch filter in series with the antenna coax of the VHF COM transceiver A notch filter is available from Garmin P N 330 00067 00 If a VHF COM transmitter causes problems with the GPS on selected frequencies as listed in the pos...

Page 47: ...6 7 2 4 GPS Sat Status Page 7 7 7 2 5 ADS B Page 7 8 7 2 6 Faults Page 7 9 7 2 7 Assert Log Page 7 9 7 3 Configuration 7 10 7 3 1 Aircraft 7 10 7 3 2 Transponder 7 11 7 3 3 GPS 7 11 7 3 4 ADS B Selections 7 12 7 4 Software Loading Instructions 7 13 This section provides configuration instructions that include Basic diagnostics information Load software into the GDL 82 if required Configure the GDL...

Page 48: ...50 MHz Hard drive free memory 500 MB RAM memory 256 MB Winzip or equivalent application to extract downloaded file USB A USB B 3 USB A to USB B adapter cable to interface between a computer USB A receptacle and the GDL 82 USB B receptacle installed in the wiring harness The cable length should not exceed 16 ft Figure 7 1 USB A and USB B Connectors GDL 8X Install Tool Instructions 1 Download the GD...

Page 49: ...Page 7 3 Tool tips provide additional information to assist in configuring or trouble shooting the GDL 82 installation Question marks display when tool tips are available Hover the cursor over a question mark for one second to view the tool tip Figure 7 3 Tool Tip Example ...

Page 50: ...ostics 7 2 1 GDL 82 Unit Information Page Device Model Part Number Serial Number Key Region Version Part Number Software Version Part Number FPGA Version Part Number Internal GPS Software Version Part Number System Statistics Powerup Count Powerup Time Hours Figure 7 4 Unit Information Page ...

Page 51: ...cretes Page This page provides squat switch and anonymous mode input discrete statuses and allows the failure annunciation discrete output to be set active or inactive The active setting helps verify whether the unit failure annunciation lamp is connected correctly Figure 7 5 Discretes Page ...

Page 52: ...Manual Rev 5 Page 7 6 7 2 3 GPS Page This page provides GPS information GPS source Time mark Interface status Nav status Latitude Longitude UTC date UTC time HPL HFOM VFOM HDOP VDOP GPS AGC voltage Height above terrain for external GPS only Figure 7 6 GPS Page ...

Page 53: ...System Configuration 190 01810 00 GDL 82 TSO Installation Manual Rev 5 Page 7 7 7 2 4 GPS Sat Status Page This page provides GPS satellite channel status Figure 7 7 GPS Sat Status Page ...

Page 54: ...nstallation Manual Rev 5 Page 7 8 7 2 5 ADS B Page This page provides transponder and UAT information Transponder Interface status Active mode Pressure altitude Squawk code IDENT status UAT Address Flight ID Air Ground status Figure 7 8 ADS B Page ...

Page 55: ...GDL 82 TSO Installation Manual Rev 5 Page 7 9 7 2 6 Faults Page This page displays detected failures Figure 7 9 Faults Page 7 2 7 Assert Log Page Diagnostic information can be saved or cleared from this page Figure 7 10 Assert Log Page ...

Page 56: ... has a U S registered tail number select Compute ICAO to automatically fill in the ICAO address ICAO Address If not automatically computed set the ICAO address as specified in the aircraft registration records Emitter Category Select the aircraft type Table 7 1 Emitter Categories Stall Speed Set the stall speed for air ground determination to the value of aircraft landing configuration stall speed...

Page 57: ...nsmitting a temporary address and a flight ID This field has a range of 0000 7777 octal 7 3 3 GPS Source Enter the GPS source for the GDL 82 Table 7 3 GPS Source Longitudinal Antenna Offset Enter the offset distance in feet of the GPS antenna from the aircraft nose to the center of the GPS antenna SELECTION DESCRIPTION Not Installed No squat switch installed in aircraft GND 0V On Ground Switch mus...

Page 58: ...ed enabled and the flight crew selects the anonymous mode with the transponder tuned to the VFR code the GDL 82 transmits a temporary address instead of the aircraft s assigned ICAO address code and a temporary Flight ID 1090 ES Receive Capable Select whether the aircraft is capable of receiving 1090 ES i e an ADS B In receiver such as the GDL 39 or GDL 52 is available in the aircraft UAT Receive ...

Page 59: ...rs The Upload Software page displays version and part number information for the GDL 82 Software FPGA and GPS SBAS Software 1 Download the appropriate GDL 82 field loadable file from flyGarmin com 2 Select the Browse key on the Upload Software page of the GDL 8X Install Tool and locate the file containing the GDL 82 software previously downloaded in step 1 3 Select the desired region to be uploade...

Page 60: ...eckout 190 01810 00 GDL 82 TSO Installation Manual Rev 5 Page 8 1 8 System Checkout 8 1 Ground Checks 8 2 8 1 1 GPS 8 2 8 1 2 Interface Checks 8 3 8 2 Documentation Checks 8 4 8 2 1 Flight Manual Supplement 8 4 ...

Page 61: ...y from obstructions that might shade GPS reception If the GPS solution does not improve check the GPS antenna installation Once GPS position information is available move aircraft to a known reference position and perform the following steps 1 On the GPS page verify that the LAT LON agree with the known reference position 2 While monitoring the GPS page turn on other avionics one at a time and che...

Page 62: ...r This check verifies that the GDL 82 is receiving the correct input information from the transponder If the following steps do not perform correctly check the electrical connections and configuration setup for the interfaced transponder 1 Go to the ADS B page in the GDL 82 Install Tool 2 Select ALT mode on the transponder 3 Verify the Interface Status field indicates receiving green box 4 Verify ...

Page 63: ... ACTIVE corresponding box is checked and displays ACTIVE and verify that the annunciator is illuminated Toggle the Fault Alert output to INACTIVE corresponding box is not checked and displays INACTIVE and verify the annunciator is extinguished 3 If the annunciator does not receive the signal verify the wiring and ensure it is connected properly and not shorted to ground 8 2 Documentation Checks 8 ...

Page 64: ...Manual Rev 5 Page 9 1 Mechanical Drawings 9 Mechanical Drawings This section contains mechanical drawings with dimensions and center of gravity required for the installation of the GDL 82 Figure 9 1 GDL 82 Dimensions and Center of Gravity ...

Page 65: ...rently all wires 24 AWG or larger Power and ground connections are 22 AWG wire Separate grounds and wiring routings in case of wiring or grounding system failure Designations for ground connections are as follows Shield ground terminations to the connector backshell must be 3 0 inches or less in length Interfaced equipment shown with aircraft frame ground designation is where the actual grounding ...

Page 66: ...s 3 GNS 480 CNX 80 6 GNS 400W 500W 42 41 RS 232 TX RS 232 RX GPS NAVIGATOR GTN 6XX 7XX 6 P1001 P1 P4001 P5001 TIME MARK OUT A TIME MARK OUT B 3 22 2 3 8 9 s 44 16 25 SERIAL GROUND 19 17 4 s 7 7 5 8 7 6 15 PIN DSUB CONNECTOR AND USB B RECEPTACLE PART OF GDL 82 CONNECTOR KIT P N 011 03945 00 SQUAT SWITCH 4 ANONYMOUS MODE 5 9 9 10 DISABLED ENABLED UAT ANONYMOUS 11 LAMP VOLTAGE FROM A C POWER ADS B OU...

Page 67: ...OURCE IS NOT NEEDED IF THE SPECIFIED RS 232 PORT ON THE GTN 6XX 7XX OR GNS 400W 500W SERIES NAVIGATORS IS ALREADY USED ANY RS 232 PORT MAY BE CONNECTED FOR THE GNS 480 CNX80 THE RS 232 SERIAL PORT CHANNEL 3 IS THE ONLY PORT THAT ALLOWS FOR THE ADS B OUT FORMAT TO INTERFACE AS AN EXTERNAL GPS SOURCE TO THE GDL 82 REFER TO SECTION 6 2 FOR L BAND AND GPS ANTENNA COAXIAL CABLE SPECIFICATIONS EXTERNAL ...

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