Garmin GTN 635 Installation Manual page 9

6.10.8 GAD 42 Interface Check .................................................................................................... 6-35
6.10.9 Lighting Bus Interface Check ............................................................................................ 6-35
6.10.10 Altitude Encoder or Air Data Computer Check ................................................................. 6-36
6.10.11 AHRS/IRU Interface Check ............................................................................................... 6-36
6.11 Ground Checks (Normal Mode) ............................................................................................. 6-37
6.11.1 Display of Self-Test Data ................................................................................................... 6-37
6.11.2 Signal Acquisition Check ................................................................................................... 6-38
6.11.3 VHF COM Interference Check .......................................................................................... 6-38
6.11.4 VHF NAV Checkout (GTN 650 Only) .............................................................................. 6-40
6.11.5 VHF COM Checkout (GTN 650 Only) .............................................................................. 6-40
6.11.6 TAWS System Check (For Units with TAWS Only) ........................................................ 6-40
6.12 Interface Checkout .................................................................................................................. 6-41
6.12.1 Honeywell (Bendix/King) EFS40/50 Interface Check ....................................................... 6-41
6.12.2 Sandel SN 3308 Interface Check ....................................................................................... 6-41
6.12.3 EHSI Deviation Scaling (If HSI/CDI Is Driven by the GTN Via Serial Data) .................. 6-44
6.12.4 ARINC 429 Traffic System Interface Check ..................................................................... 6-45
6.12.5 Stormscope
6.12.6 GMX 200/MX20 Interface Check ...................................................................................... 6-45
6.12.7 GDL 69/69A Interface Check ............................................................................................ 6-45
6.12.8 VOR RMI/OBI Interface Check (650 Only) ...................................................................... 6-46
6.12.9 DME Interface Check (GTN 650 Only) ............................................................................. 6-46
6.12.10 Magnetic Compass Check .................................................................................................. 6-46
6.13 Flight Checks .......................................................................................................................... 6-47
6.13.1 GPS Flight Check ............................................................................................................... 6-47
6.13.2 VHF COM Flight Check (GTN 650) ................................................................................. 6-47
6.13.3 VOR Flight Check (GTN 650) ........................................................................................... 6-47
6.13.4 ILS Flight Check (GTN 650) ............................................................................................. 6-48
6.13.5 Autopilot Flight Check ....................................................................................................... 6-48
6.13.6 TAWS Audio Flight Check (TAWS-equipped units only) ................................................ 6-48
6.14 Database Check ...................................................................................................................... 6-48
6.15 Data Card Replacement .......................................................................................................... 6-49
6.16 Software Loading ................................................................................................................... 6-49
6.16.1 Creating a GTN Software Loader Card .............................................................................. 6-49
6.16.2 GTN Software Loading ...................................................................................................... 6-50
6.17 Documentation Checks ........................................................................................................... 6-51
6.17.1 Airplane Flight Manual Supplement .................................................................................. 6-51
7. PERIODIC MAINTENANCE ......................................................................................................... 7-1
7.1 Equipment Calibration .............................................................................................................. 7-1
7.2 VOR Checks ............................................................................................................................. 7-1
7.3 Cleaning .................................................................................................................................... 7-1
7.4 Battery Replacement................................................................................................................. 7-1
Appendix A ENVIRONMENTAL QUALIFICATION FORM .......................................................... A-1
Appendix B GTN DATA FORMAT .................................................................................................. B-1
B.1 RS-232 Aviation Data Format ................................................................................................. B-1
B.1.1 Electrical Interface ................................................................................................................... B-1
B.1.2 General Output Format ............................................................................................................ B-1
B.1.3 Output Sentence Type 1 .......................................................................................................... B-1
B.1.4 Output Sentence Type 2 .......................................................................................................... B-3
B.2 GTN RS-232 FUEL/AIR DATA INPUT FORMAT .............................................................. B-5
B.2.1 Electrical Interface ................................................................................................................... B-5
B.2.2 Shadin Altitude Sentence......................................................................................................... B-5
B.2.3 Icarus Altitude Sentence .......................................................................................................... B-5
GTN 625/635/650 TSO Installation Manual
190-01004-02
®
Interface Check ............................................................................................. 6-45
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Rev. C