Mid-Continent Instrument MD41-1510 Manuel d'installation

190-01007-02 February 2011 Rev. A

Page vi GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 6.14 Database Check ...

Page 6-16 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 6.6.10 COM Configuration Page (GTN 750 Only) Access the COM Configuration page, a

GTN 725/750 TSO Installation Manual Page 6-17 190-01007-02 Rev. A 6.6.11 VOR/LOC/GS Configuration Page (750 Only) Access the VOR/LOC/GS Configurati

Page 6-18 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 DME CHANNEL MODE This configuration setting allows you to set the format for DME

GTN 725/750 TSO Installation Manual Page 6-19 190-01007-02 Rev. A Figure 6-19. TAWS Configuration Page 6.7 GTN Options Page The following section

Page 6-20 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 Figure 6-20. Configure TAWS Audio Page TAWS AUDIO Access the Configure TAWS Audi

GTN 725/750 TSO Installation Manual Page 6-21 190-01007-02 Rev. A Figure 6-21. Chart Configuration Page Figure 6-22. COM Transmit Power Configura

Page 6-22 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 6.8 GTN Diagnostics Page Access the GTN Diagnostics page, as shown in Figure 6-2

GTN 725/750 TSO Installation Manual Page 6-23 190-01007-02 Rev. A 6.8.5 Main Indicator (Analog) Diagnostics Page The Main Indicator diagnostics pa

Page 6-24 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 6.9 External Systems The following section contains procedures for configuring r

GTN 725/750 TSO Installation Manual Page 6-25 190-01007-02 Rev. A 6.9.2 Stormscope® Page NOTE The Stormscope pages are only available if the WX-50

GTN 725/750 TSO Installation Manual Page vii 190-01007-02 Rev. A Figure 6-16. COM Configuration Page ...

Page 6-26 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 6.9.2.2 Stormscope® Test Page Access the Stormscope Test page, as shown in Figur

GTN 725/750 TSO Installation Manual Page 6-27 190-01007-02 Rev. A Figure 6-31. GAD 42 Configuration Page 6.9.3 Traffic Test Page NOTE The followi

Page 6-28 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 6.9.5 Remote Transponder Configuration A remote transponder can be configured by

GTN 725/750 TSO Installation Manual Page 6-29 190-01007-02 Rev. A 6.9.5.2 RS-232 Configuration The following outlines RS-232 port settings and des

Page 6-30 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 6.9.5.3 ARINC 429 Configuration Configure the four ARINC 429 input ports and the

GTN 725/750 TSO Installation Manual Page 6-31 190-01007-02 Rev. A AIR DATA COMPUTER (ADC) Label # Data 203* Pressure Altitude (feet) 204 Barometric

Page 6-32 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 GARMIN TAS Label # Data 274 TAS Discretes AFCS Label # Data 102 Selected Altitude

GTN 725/750 TSO Installation Manual Page 6-33 190-01007-02 Rev. A 6.9.5.4 Transponder Installation Settings Page Access the XPDR Installation Sett

Page 6-34 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 AIR/GROUND LOGIC Select the source for the air/ground logic. Selection Descriptio

GTN 725/750 TSO Installation Manual Page 6-35 190-01007-02 Rev. A Figure 6-35. Microsoft Windows Calculator FLIGHT ID TYPE (GTX 33 ONLY) For oper

Page viii GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 Figure D-12. GTN - ARINC 429 EFIS Interconnect ...

Page 6-36 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 SURVEILLANCE INTEGRITY LEVEL (GTX 33 ONLY) NOTE When interfaced to the GTN, the G

GTN 725/750 TSO Installation Manual Page 6-37 190-01007-02 Rev. A 6.9.6 GMA 35 Audio Panel Configuration 6.9.6.1 Audio Terminology The following

Page 6-38 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 6.9.7 GMA 35 Audio Panel Settings To configure the audio panel, go to the Extern

GTN 725/750 TSO Installation Manual Page 6-39 190-01007-02 Rev. A 6.9.8 Audio Panel Configuration Settings Mute PASS to CREW intercom during alert

Page 6-40 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 6.9.9 Volume Configuration Settings Use the following procedure when adjusting v

GTN 725/750 TSO Installation Manual Page 6-41 190-01007-02 Rev. A 6.9.9.1 Speaker Volume Configuration Pilot PA This setting adjusts the pilot pas

Page 6-42 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 ALERT 1-3 Squelch Threshold These settings adjust the signal strength required to

GTN 725/750 TSO Installation Manual Page 6-43 190-01007-02 Rev. A 6.9.9.4 Connected Radios to GMA 35 Configuration Access Audio Panel Connected Ra

Page 6-44 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 Figure 6-42. Main Indicator (Analog) Diagnostics Page Figure 6-43. VOR/ILS Indi

GTN 725/750 TSO Installation Manual Page 6-45 190-01007-02 Rev. A Figure 6-45. Discrete Outputs Page Figure 6-44. Discrete Inputs Page 6.10.3 Di

GTN 725/750 TSO Installation Manual Page ix 190-01007-02 Rev. A GTN 725/750 HARDWARE MOD LEVEL HISTORY The following table identifies hardware modi

Page 6-46 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 6.10.5 HSDB Provisional Wiring Checkout If provisional wiring has been installed

GTN 725/750 TSO Installation Manual Page 6-47 190-01007-02 Rev. A 6.10.6 TAWS Audio Check (For Units with TAWS Only) NOTE The audio panel should al

Page 6-48 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 6.10.8 Lighting Bus Interface Check CAUTION When 14 VDC or 28 VDC lighting buses

GTN 725/750 TSO Installation Manual Page 6-49 190-01007-02 Rev. A 6.10.10 AHRS/IRU Interface Check The GTN can receive heading data from an externa

Page 6-50 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 6.11 Ground Checks (Normal Mode) For the following checks, cycle power on the GT

GTN 725/750 TSO Installation Manual Page 6-51 190-01007-02 Rev. A 6.11.2 Signal Acquisition Check NOTE All other avionics should be turned off at t

Page 6-52 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 Once the Signal Acquisition Test has been completed successfully, perform the fol

GTN 725/750 TSO Installation Manual Page 6-53 190-01007-02 Rev. A 6.11.4 VHF NAV Checkout (GTN 750 Only) While on the Map page, touch the CDI key o

Page 6-54 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 6.12 Interface Checkout This section describes the checks that must be carried o

GTN 725/750 TSO Installation Manual Page 6-55 190-01007-02 Rev. A 6.12.2.2 Two GTNs/One SN3308 The checkout for two GTNs also applies to one GTN 6X

Page x GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 This page intentionally left blank

Page 6-56 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 6.12.2.3 Two GTNs/Two SN3308s 1. Remove power from GTN #2. 2. Cycle power to GT

GTN 725/750 TSO Installation Manual Page 6-57 190-01007-02 Rev. A 6.12.2.4 Sandel SN3500/4500 Interface Check If a Sandel SN3500/4500 EHSI has been

Page 6-58 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 6.12.4 ARINC 429 Traffic System Interface Check If a Garmin GTS 8XX Traffic syste

GTN 725/750 TSO Installation Manual Page 6-59 190-01007-02 Rev. A 6.12.7.1 XM® Satellite Radio Weather Checkout Procedure 1. With the GTN running

Page 6-60 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 6.13 Flight Checks All GTN functions that cannot be adequately tested on the gro

GTN 725/750 TSO Installation Manual Page 6-61 190-01007-02 Rev. A 6.13.4 ILS Flight Check (GTN 750 Only) 1. Tune an ILS at the local airport. 2.

Page 6-62 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 6.15 Data Card Replacement CAUTION Handle the data cards carefully. Do not touch

GTN 725/750 TSO Installation Manual Page 6-63 190-01007-02 Rev. A 6.16.2 GTN Software Loading 1. Remove power from the GTN. 2. Insert the correc

Page 6-64 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 6.17 Documentation Checks 6.17.1 Airplane Flight Manual Supplement Ensure that t

GTN 725/750 TSO Installation Manual Page 7-1 190-01007-02 Rev. A 7 PERIODIC MAINTENANCE 7.1 Equipment Calibration No scheduled servicing tasks ar

GTN 725/750 TSO Installation Manual Page 1-1 190-01007-02 Rev. A 1 GENERAL DESCRIPTION 1.1 Introduction This manual is applicable for units with

Page 7-2 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 This page intentionally left blank

GTN 725/750 TSO Installation Manual Page A-1 190-01007-02 Rev. A Appendix A ENVIRONMENTAL QUALIFICATION FORM For RTCA/DO-160F Environmental Qualifi

Page A-2 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 This page intentionally left blank

GTN 725/750 TSO Installation Manual Page B-1 190-01007-02 Rev. A Appendix B GTN DATA FORMAT B.1 RS-232 Aviation Data Format B.1.1 Electrical Inte

Page B-2 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 Table B-1 describes the Type 1 output sentence item designator (id) and item data

GTN 725/750 TSO Installation Manual Page B-3 190-01007-02 Rev. A B.1.4 Output Sentence Type 2 The GTN Type 2 output sentence has the following gen

Page B-4 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 Table B-2 describes the Type 2 output sentence item designator (id), sequence numb

GTN 725/750 TSO Installation Manual Page B-5 190-01007-02 Rev. A B.2 GTN RS-232 Fuel/Air Data Input Format B.2.1 Electrical Interface The input s

Page B-6 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 B.2.4 Shadin Fuel Flow Sentence The Garmin GTN is capable of receiving the follow

GTN 725/750 TSO Installation Manual Page B-7 190-01007-02 Rev. A B.2.6 Shadin Fuel/Air Data Computer Sentence The Garmin GTN is capable of receiv

Page 1-2 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 1.3 Technical Specifications 1.3.1 Physical Characteristics Characteristics Spec

Page B-8 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 SHADIN “G” FORMAT <STX> GA012<CR><LF> "GA" (ASCII cha

GTN 725/750 TSO Installation Manual Page B-9 190-01007-02 Rev. A SHADIN “S” FORMAT <STX> SA012<CR><LF> "SA" (ASCII cha

Page B-10 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 This page intentionally left blank

GTN 725/750 TSO Installation Manual Page C-1 190-01007-02 Rev. A Appendix C MECHANICAL DRAWINGS C.1 Drawing List The following drawings are includ

Page C-2 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 This page intentionally left blank

GTN 725/750 TSO Installation Manual Page C-3 190-01007-02 Rev. A Figure C-1. GTN 7XX Dimensions and Center of Gravity

Page C-4 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 GTN 725GTN 750 (BLACK)GTN 750 (GRAY)UNIT DESCRIPTION011-02326-00011-02326-02011-02

GTN 725/750 TSO Installation Manual Page C-5 190-01007-02 Rev. A OPTION 1:STACK CUTOUT (RACK INSTALLEDFROM FRONT OF AIRCRAFT PANEL)OPTION 2:RADIO C

Page C-6 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 During installation of the mounting racks, ensure edge of the tab (bottom flange

GTN 725/750 TSO Installation Manual Page C-7 190-01007-02 Rev. A Figure C-5. GTN 7XX Connector Layout Detail

GTN 725/750 TSO Installation Manual Page 1-3 190-01007-02 Rev. A 1.3.3 GPS/SBAS Specifications Characteristics Specifications Number Of Channels 1

Page C-8 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 This page intentionally left blank

GTN 725/750 TSO Installation Manual Page D-1 190-01007-02 Rev. A Appendix D INTERCONNECT DIAGRAMS D.1 Drawing List The following drawings are incl

Page D-2 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 This page intentionally left blank

GTN 725/750 TSO Installation Manual Page D-3 190-01007-02 Rev. A GTN 7XXCONNECTOR P1001POWER & GROUNDMAIN CDI/HSI(GPS/VOR/ILS)SWITCHES/ANNUNCIA

Page D-4 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 GTN 750P10011214024160MAIN OBS ROTOR C MAIN OBS STATOR D MAIN OBS STATOR E GND MAI

GTN 725/750 TSO Installation Manual Page D-5 190-01007-02 Rev. A NOTES:1. ALL WIRES 24 AWG OR LARGER UNLESS OTHERWISE SPECIFIED.2. GROUND DESIGN

Page D-6 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 GTN 725P10011214024160MAIN OBS ROTOR C MAIN OBS STATOR D MAIN OBS STATOR E GND MAI

GTN 725/750 TSO Installation Manual Page D-7 190-01007-02 Rev. A NOTES:1. ALL WIRES 24 AWG OR LARGER UNLESS OTHERWISE SPECIFIED.2. GROUND DESIGN

Page D-8 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 P1001GTN 7XXNOTES:1. ALL WIRES 24 AWG OR LARGER UNLESS OTHERWISE SPECIFIED. 2.

GTN 725/750 TSO Installation Manual Page D-9 190-01007-02 Rev. A GTN 7XX #2COMP1007GPS/WAASP1006GPS/WAAS AntennaCOM AntennaNAVP1008VOR/LOC/GS Anten

Page 1-4 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 1.3.4 COM Specifications (GTN 750 Only) 1.3.4.1 COM Transmitter Specifications

Page D-10 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 GTN 7XX #2COMP1007GPS/WAASP1006NAVP1008GTN 7XX #1COMP1007P1006NAVP1008GPS/WAASGPS

GTN 725/750 TSO Installation Manual Page D-11 190-01007-02 Rev. A 1. THE GPS ANTENNA COAXIAL CABLE MUST BE DOUBLE OR TRIPLE SHIELDED AND THE LOSS

Page D-12 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 GTN 7XXP10011214024160MAIN OBS ROTOR C MAIN OBS STATOR D MAIN OBS STATOR E (GND)

GTN 725/750 TSO Installation Manual Page D-13 190-01007-02 Rev. A GTN 7XXP100156ILS/GPS APPROACH5069MAIN LATERAL -FLAG OUT4968MAIN LATERAL +LEFT OU

Page D-14 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 NOTES:1. ALL WIRES 24 AWG OR LARGER UNLESS OTHERWISE SPECIFIED.2. GROUND DESIGN

GTN 725/750 TSO Installation Manual Page D-15 190-01007-02 Rev. A P100127RS-232 IN 1GTN 7XX #1RS-232 OUT 1 846RS-232 GND 1 TRANSPONDERRS232 TxD1RS2

Page D-16 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 NOTES:1. ALL WIRES 24 AWG OR LARGER UNLESS OTHERWISE SPECIFIED.2. CONNECT SHIEL

GTN 725/750 TSO Installation Manual Page D-17 190-01007-02 Rev. A GTN 7XXRS-232 OUT 1RS-232 GND 18464P1001sNOTES:1. ALL WIRES 24 AWG OR LARGER UNL

Page D-18 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 GTN 7XX# 148ARINC 429 IN 1 AP1001P100467ARINC 429 IN 1 B10ARINC 429 OUT 1A29ARINC

GTN 725/750 TSO Installation Manual Page D-19 190-01007-02 Rev. A NOTES:1. ALL WIRES 24 AWG OR LARGER UNLESS OTHERWISE SPECIFIED.2. GROUND DESIGN

GTN 725/750 TSO Installation Manual Page 1-5 190-01007-02 Rev. A 1.3.5 VOR Specifications (GTN 750 Only) Characteristics Specifications Receiver

Page D-20 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 1. ALL WIRES 24 AWG OR LARGER UNLESS OTHERWISE SPECIFIED.2. GROUND DESIGNATIONS

GTN 725/750 TSO Installation Manual Page D-21 190-01007-02 Rev. A NOTES:1. ALL WIRES 24 AWG OR LARGER UNLESS OTHERWISE SPECIFIED.2. THE 500 OHM AU

Page D-22 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 NOTES:1. ALL WIRES 24 AWG OR LARGER UNLESS OTHERWISE SPECIFIED.2. GROUND DESIGN

GTN 725/750 TSO Installation Manual Page D-23 190-01007-02 Rev. A ALTITUDEENCODERRS-232 OUT HIRS-232 OUT LOFUEL/AIR DATARS-232 OUT HIRS-232 OUT LO

Page D-24 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 NOTES:1. ALL WIRES 24 AWG OR LARGER UNLESS OTHERWISE SPECIFIED.2. GROUND DESIG

GTN 725/750 TSO Installation Manual Page D-25 190-01007-02 Rev. A AIR DATA COMPUTERTRANSMITTER ATRANSMITTER BGTN 7XX48ARINC 429 IN 1 A67ARINC 429 I

Page D-26 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 GTN 7XXARINC 429 OUT 1AARINC 429 OUT 1BARINC 429 IN 1AARINC 429 IN 1BVOR/ILS ARIN

GTN 725/750 TSO Installation Manual Page D-27 190-01007-02 Rev. A GTN 7XXVOR/LOC +LEFTVOR/LOC +RIGHTVOR/LOC +TOVOR/LOC +FROMVOR/LOC +FLAGVOR/LOC -F

Page D-28 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 RADIO MAGNETIC INDICATOROBI SYNCOBI CLOCKOBI DATAP1004252726 VOR OBI SYNC VOR OBI

GTN 725/750 TSO Installation Manual Page D-29 190-01007-02 Rev. A L3 CommunicationsWX-5008 RS-232 RX20 RS-232 TXP35RS-232 GROUND6EXTERNAL CLEARGTN

Page 1-6 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 1.3.7 Glideslope Specifications (GTN 750 Only) Characteristics Specifications Sen

Page D-30 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 DME TRANSCEIVERRNAV/CHANNEL REQCLOCK BUSDATA BUSP1004181920SERIAL DME-RNAV/CH REQ

GTN 725/750 TSO Installation Manual Page D-31 190-01007-02 Rev. A REMOTE DMEDME REQUESTCLOCK BUSDATA BUSDME INDICATORRNAV REQUESTCLOCK BUSDATA BUSN

Page D-32 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 DME1 MHZ-A1 MHZ-B1 MHZ-C1 MHZ-D1 MHZ-E100 KHZ-A100 KHZ-B100 KHZ-C2 X 5 CODE SELEC

GTN 725/750 TSO Installation Manual Page D-33 190-01007-02 Rev. A PARALLEL SLIP CODE TUNED DMEGTN 750PARALLEL DME 1MHZ-APARALLEL DME 1MHZ-BPARALL

Page D-34 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 P1005351456SYNCHRO ZSYNCHRO YSYNCHRO XGTN 7XX333615SYNCHRO REF LOSYNCRO REF HIHDG

GTN 725/750 TSO Installation Manual Page D-35 190-01007-02 Rev. A GTN 7XXP10015215VLOC ANNUNCIATEGPS ANNUNCIATE33WAYPOINT ANNUNCIATE34555414531639G

Page D-36 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 GTN 7XXP10015215VLOC ANNUNCIATEGPS ANNUNCIATELAMP VOLTAGE FROM DIMMER CIRCUITNAV/

GTN 725/750 TSO Installation Manual Page D-37 190-01007-02 Rev. A P100171TERRAIN WARNING ANNUNCIATE72TERRAIN NOT AVAILABLE ANNUNCIATEs66GTN 7XX57TA

Page D-38 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 1DEMO MODE SELECT22TIME MARK OUT BGTN 7XX516OBS MODE SELECT39CDI SOURCE SELECT28C

GTN 725/750 TSO Installation Manual Page 1-7 190-01007-02 Rev. A 1.3.8 GPS Antenna Requirements Antenna performance is critical to the GPS/SBAS op

Page 1-8 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 1.4 License Requirements The Telecommunications Act of 1996, effective February 8

GTN 725/750 TSO Installation Manual Page 1-9 190-01007-02 Rev. A 1.5 Regulatory Compliance 1.5.1 TSO Authorization and Advisory Circular Referenc

Page 1-10 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 1.5.2 Non-TSO Functions Table 1-5. Non-TSO Functions Function Applicable SW P/N

GTN 725/750 TSO Installation Manual Page 1-11 190-01007-02 Rev. A 1.5.3 TSO Deviations TSO Deviation TSO-C34e 1. Garmin was granted a deviation fr

Page 1-12 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 TSO Deviation TSO-C118 1. Garmin was granted a deviation from the TSO not to mar

GTN 725/750 TSO Installation Manual Page 1-13 190-01007-02 Rev. A TSO Deviation TSO-C151b 1. Garmin was granted a deviation from the TSO Section 5

Page 1-14 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 RNP terminal departure and arrival procedures and RNP approach procedures without

GTN 725/750 TSO Installation Manual Page 1-15 190-01007-02 Rev. A database is installed in the aircraft and verified that the discrepancy has been

GTN 725/750 TSO Installation Manual Page A 190-01007-02 Rev. A ©Copyright 2011 Garmin International, Inc., or its subsidiaries All Rights Reserved

Page 1-16 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 ―GPS‖, ―or GPS‖, and ―RNAV (GPS)‖ instrument approaches using the Garmin navigati

GTN 725/750 TSO Installation Manual Page 1-17 190-01007-02 Rev. A 1.6 GTN Databases The GTN utilizes various databases. With the exception of the

Page 1-18 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 1.6.4 ChartView™ Database ChartView resembles the paper version of Jeppesen term

GTN 725/750 TSO Installation Manual Page 1-19 190-01007-02 Rev. A 1.8 Aviation Limited Warranty All Garmin avionics products are warranted to be f

Page 1-20 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 This page intentionally left blank

GTN 725/750 TSO Installation Manual Page 2-1 190-01007-02 Rev. A 2 LIMITATIONS 2.1 Installation The conditions and tests required for TSO approva

Page 2-2 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 This page intentionally left blank

GTN 725/750 TSO Installation Manual Page 3-1 190-01007-02 Rev. A 3 INSTALLATION OVERVIEW 3.1 Introduction Always follow acceptable avionics insta

Page 3-2 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 3.2.3 IFR GPS Plus VOR/LOC/GS Installation The minimum GTN unit installation requ

GTN 725/750 TSO Installation Manual Page 3-3 190-01007-02 Rev. A 3.3.2 Multiple Baro-Corrected Altitude Sources The GTN unit can accept baro-corre

Page B GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 DOCUMENT PAGINATION Section Pagination Table of Contents i - x Section 1 1-1 through

Page 3-4 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 3.3.4 Multiple Indicated Airspeed Sources The GTN unit can accept indicated airsp

GTN 725/750 TSO Installation Manual Page 3-5 190-01007-02 Rev. A 3.3.7 Multiple GPS Selected Course Sources The GTN unit can accept GPS selected c

Page 3-6 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 3.4 Antenna Considerations This section contains mounting location considerations

GTN 725/750 TSO Installation Manual Page 3-7 190-01007-02 Rev. A 3.4.2 COM Antenna Location The GTN COM antenna should be well removed from all pr

Page 3-8 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 Figure 3-1. GPS Antenna Installation Considerations

GTN 725/750 TSO Installation Manual Page 3-9 190-01007-02 Rev. A 3.4.3 VOR/LOC Antenna Location The GTN VOR/LOC antenna should be well removed fro

Page 3-10 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 3.5 GTN 725/750 Mounting Considerations The GTN is designed to mount in the avio

GTN 725/750 TSO Installation Manual Page 3-11 190-01007-02 Rev. A 3.7 Air Circulation and Cooling CAUTION To avoid damage to the GTN, take precaut

Page 3-12 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 This page intentionally left blank

GTN 725/750 TSO Installation Manual Page 4-1 190-01007-02 Rev. A 4 INSTALLATION PROCEDURES 4.1 Unit and Accessories For description of units see

GTN 725/750 TSO Installation Manual Page i 190-01007-02 Rev. A INFORMATION SUBJECT TO EXPORT CONTROL LAWS This document may contain information whi

Page 4-2 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 4.2 Optional Accessories 4.2.1 GPS Antenna Options For details regarding antenna

GTN 725/750 TSO Installation Manual Page 4-3 190-01007-02 Rev. A 4.3 Database Options Item Garmin P/N GTN 6XX/7XX Database 010-00900-00 GTN 6XX/7X

Page 4-4 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 4.7 Installation Materials Required but not Supplied 4.7.1 Accessories Required

GTN 725/750 TSO Installation Manual Page 4-5 190-01007-02 Rev. A 4.7.3 Optional Annunciation Panels An external GPS annunciation panel may be requ

Page 4-6 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 4.9 Coaxial Cable Installation Follow the steps below for installation of the coa

GTN 725/750 TSO Installation Manual Page 4-7 190-01007-02 Rev. A Table 4-5. Socket Contact Part Numbers Wire Gauge Configuration Module 78-pin C

Page 4-8 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 4.10 Equipment Mounting 4.10.1 Rack Installation Use the dimensions shown in Figu

GTN 725/750 TSO Installation Manual Page 4-9 190-01007-02 Rev. A 4.11 Antenna Installation and Connections 4.11.1 GPS Antenna This section provide

Page 4-10 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 4.11.2 COM Antenna (GTN 750 Only) The GTN unit requires a standard 50 vertically

GTN 725/750 TSO Installation Manual Page 5-1 190-01007-02 Rev. A 5 CONNECTOR PINOUT INFORMATION 5.1 Pin Function List 5.1.1 P1001 Connector – Ma

Page ii GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 1 GENERAL DESCRIPTION ...

Page 5-2 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 P1001 Connector Cont’d Pin Pin Name I/O 42 LIGHTING BUS 2 LO In 43 FAN GROUND -- 4

GTN 725/750 TSO Installation Manual Page 5-3 190-01007-02 Rev. A 5.1.2 P1002 Connector – Main Board (View looking at rear of unit, Pin 1 is top ri

Page 5-4 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 5.1.3 P1003 Connector – COM Board (View looking at rear of unit, Pin 1 is top rig

GTN 725/750 TSO Installation Manual Page 5-5 190-01007-02 Rev. A 5.1.4 P1004 Connector – NAV Board (View looking at rear of unit, Pin 1 is on bott

Page 5-6 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 P1004 Connector Cont’d Pin Pin Name I/O 47 PAR DME 1MHZ-C Out 48 RESERVED -- 49 AI

GTN 725/750 TSO Installation Manual Page 5-7 190-01007-02 Rev. A 5.1.5 P1005 Connector – I/O Board (View looking at rear of unit, Pin 1 is on bot

Page 5-8 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 P1005 Connector Cont’d Pin Pin Name I/O 44 RESERVED -- 45 RESERVED -- 46 RESERVED

GTN 725/750 TSO Installation Manual Page 5-9 190-01007-02 Rev. A 5.2 Power, Lighting, And Antennas This section covers the power input requirement

Page 5-10 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 5.2.3 Antennas Pin Name Connector I/O GPS/SBAS ANTENNA P1006 In COM ANTENNA P100

GTN 725/750 TSO Installation Manual Page 5-11 190-01007-02 Rev. A 5.2.4.1.2 ARINC 429 The data output on the ARINC 429 OUT ports depends on the co

GTN 725/750 TSO Installation Manual Page iii 190-01007-02 Rev. A 3.3.7 Multiple GPS Selected Course Sources ...

Page 5-12 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 Label # Parameter Name 1 2 3 4 5 6 7 326G [1] Lateral Scale Factor ● ● ● ● ● ● 3

GTN 725/750 TSO Installation Manual Page 5-13 190-01007-02 Rev. A 5.2.4.2 Serial Data Electrical Characteristics 5.2.4.2.1 RS-232 Pin Name Connec

Page 5-14 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 5.2.5 Ethernet (HSDB) Pin Name Connector Pin I/O ETHERNET OUT 1 A P1002 8 Out ET

GTN 725/750 TSO Installation Manual Page 5-15 190-01007-02 Rev. A 5.2.7 Main Indicator 5.2.7.1 Main Indicator Function The main indicator display

Page 5-16 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 5.2.7.2.4 Superflags Pin Name Connector Pin I/O MAIN LATERAL SUPERFLAG OUT P1001

GTN 725/750 TSO Installation Manual Page 5-17 190-01007-02 Rev. A 5.2.9.3 TAWS INHIBIT IN* The TAWS INHIBIT IN* discrete input, when toggled momen

Page 5-18 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 5.2.10 Discrete Outputs Pin Name Connector Pin I/O OBS ANNUNCIATE* P1001 14 Out G

GTN 725/750 TSO Installation Manual Page 5-19 190-01007-02 Rev. A 5.2.10.5 TERMINAL ANNUNCIATE* When performing approach navigation, the TERMINAL A

Page 5-20 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 5.2.10.16 GPS SELECT* The GPS SELECT* discrete output is active when GPS data is

GTN 725/750 TSO Installation Manual Page 5-21 190-01007-02 Rev. A 5.2.12.3 Heading Synchro Valid Input Pin Name Connector Pin I/O SYNCHRO VALID INP

Page iv GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 5.2.5 Ethernet (HSDB) ...

Page 5-22 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 5.2.14 COM Discrete Inputs (GTN 750 only) Pin Name Connector Pin I/O COM MIC 1 KE

GTN 725/750 TSO Installation Manual Page 5-23 190-01007-02 Rev. A 5.2.15 VOR/ILS Audio (GTN 750 Only) Pin Name Connector Pin I/O 500 VOR/LOC AUDIO

Page 5-24 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 5.2.17.2 VOR/ILS Indicator Electrical Characteristics 5.2.17.2.1 Superflags Pin

GTN 725/750 TSO Installation Manual Page 5-25 190-01007-02 Rev. A 5.2.17.2.6 VOR/LOC COMPOSITE Pin Name Connector Pin I/O VOR/LOC COMPOSITE OUT P1

Page 5-26 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 5.2.19 DME Tuning (GTN 750 only) 5.2.19.1 DME Tuning Function The GTN 750 can cha

GTN 725/750 TSO Installation Manual Page 6-1 190-01007-02 Rev. A 6 POST INSTALLATION CONFIGURATION AND CHECKOUT PROCEDURES 6.1 System Configurati

Page 6-2 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 Figure 6-2. System Information Page 6.4 Configuration Mode Operations Configurat

GTN 725/750 TSO Installation Manual Page 6-3 190-01007-02 Rev. A Figure 6-4. ARINC 429 Configuration Page 6.6 GTN Setup Page The following se

Page 6-4 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 GTN Selection GNS Equivalent Description Off Off No unit connected to this ARINC 4

GTN 725/750 TSO Installation Manual Page 6-5 190-01007-02 Rev. A DATA OUT SELECTIONS GTN Selection GNS Equivalent Description Off Off No unit(s) co

GTN 725/750 TSO Installation Manual Page v 190-01007-02 Rev. A 6.8.11 Main Data Inputs Page ...

Page 6-6 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 SDI GTN Selection Description Common RX: Accepts all 429 inputs TX: Generates al

GTN 725/750 TSO Installation Manual Page 6-7 190-01007-02 Rev. A GTN Selection GNS Equivalent Description GMA Format 1 N/A This input format suppor

Page 6-8 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 CHANNEL OUTPUT SELECTIONS GTN Selection GNS Equivalent Description Off Off No unit

GTN 725/750 TSO Installation Manual Page 6-9 190-01007-02 Rev. A 6.6.3 HSDB (Ethernet) Configuration Page Access the HSDB Ethernet page, as shown

Page 6-10 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 6.6.5 Main Indicator (Analog) Configuration Page Access the Main Indicator (Anal

GTN 725/750 TSO Installation Manual Page 6-11 190-01007-02 Rev. A 6.6.6 Lighting Configuration Page Access the Lighting Configuration page, as sho

Page 6-12 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 6.6.6.1 Configure Photocell Page Access the Photocell Configuration page, as sho

GTN 725/750 TSO Installation Manual Page 6-13 190-01007-02 Rev. A 6.6.7 Audio Configuration Page Access the Audio Configuration page, as shown in

Page 6-14 GTN 725/750 TSO Installation Manual Rev. A 190-01007-02 6.6.9 Main System Configuration Page Access the Main System Configuration page,

GTN 725/750 TSO Installation Manual Page 6-15 190-01007-02 Rev. A GPS SELECT When in GPS mode, the GPS Select discrete is unasserted (open) wheneve