Garmin GNC 420AW Installation Manual - page 11
400W Series Installation Manual
Page vii
190-00356-02
Rev. G
6.1
Troubleshooting Procedure...........................................................................................................6-1
6.2
Alert Text Troubleshooting Procedure .........................................................................................6-4
6.3
Contacting the Factory for Assistance .......................................................................................... 6-9
7.
LIMITATIONS.............................................................................................................................7-1
7.1
Operations .....................................................................................................................................7-1
7.1.1
TSO-C146a GPS/WAAS Limitations ..................................................................................7-1
7.1.2
Safety Assessment Considerations.......................................................................................7-2
7.1.3
Previous Operational Approvals ..........................................................................................7-2
7.2
Installation ....................................................................................................................................7-2
7.2.1
GPS Antenna ........................................................................................................................7-2
7.2.2
Antenna Installation – General.............................................................................................7-2
7.2.3
Equipment Interfaced to the 400W Series Unit....................................................................7-2
7.2.4
Preservation of Previous Systems ........................................................................................7-2
7.3
Rotorcraft Installation ...................................................................................................................7-3
7.4
Aircraft Radio Station License......................................................................................................7-3
8.
PERIODIC MAINTENANCE......................................................................................................8-1
8.1
Equipment Calibration ..................................................................................................................8-1
8.2
VOR Checks .................................................................................................................................8-1
8.3
Cleaning ........................................................................................................................................8-1
8.4
Battery Replacement .....................................................................................................................8-1
APPENDIX A
ENVIRONMENTAL QUALIFICATION FORM ..................................................... A-1
APPENDIX B
STC DATA................................................................................................................. B-1
B.1
STC Information .......................................................................................................................... B-1
B.2
Permission to use STC ................................................................................................................. B-1
B.3
Continued Airworthiness Instructions ......................................................................................... B-1
B.4
STC Approved Model List........................................................................................................... B-1
APPENDIX C
RESERVED ............................................................................................................... C-1
APPENDIX D
400W SERIES RS-232 AVIATION DATA FORMAT............................................. D-1
D.1
Electrical Interface ....................................................................................................................... D-1
D.2
General Output Format ................................................................................................................ D-1
D.3
Output Sentence Type 1............................................................................................................... D-1
D.4
Output Sentence Type 2............................................................................................................... D-3
APPENDIX E
400W SERIES RS-232 FUEL/AIR DATA INPUT FORMAT ................................. E-1
E.1
Electrical Interface ....................................................................................................................... E-1
E.2
Shadin Altitude Sentence............................................................................................................. E-1
E.3
Icarus Altitude Sentence .............................................................................................................. E-1
E.4
Shadin Fuel Flow Sentence.......................................................................................................... E-2
E.5
ARNAV / EI Fuel Flow Sentence................................................................................................ E-2
E.6
Shadin Fuel/Air Data Computer Sentence ................................................................................... E-3
APPENDIX F
MECHANICAL DRAWINGS ....................................................................................F-1
F.1
Drawing List .................................................................................................................................F-1