Installation Instructions

GTN 6XX/7XX AML STC Installation Manual 190-01007-A3

Page E-21 Rev. 4

1. ALL WIRES 24 AWG OR LARGER UNLESS OTHERWISE SPECIFIED.

2. GROUND DESIGNATIONS: SHIELD BLOCK GROUND AIRFRAME GROUND

3. AT GTN 6XX/7XX, CONNECT SHIELD GROUNDS TO THE CONNECTOR BACKSHELL -- THE SHIELD

TERMINATION LEADS MUST BE LESS THAN 3.0". CONNECT OTHER END OF THE SHIELD PER THE REMOTE

EQUIPMENT INSTALLATION REQUIREMENTS. IF NO SHIELD TERMINATION REQUIREMENT EXISTS FOR THE

REMOTE EQUIPMENT, TERMINATE SHIELDS AS SHORT AS POSSIBLE, NOT TO EXCEED 3.0". SEE SECTION

2.4.11.4.

4. THE ILS/GPS APPROACH DISCRETE IS REQUIRED BY SOME CDIs/ HSIs THAT ARE USED WITH THE M4C/D

AUTOPILOTS. IF REQUIRED, ENSURE THAT THE SIGNAL SUPPLIED TO THE INDICATOR IS THE CORRECT

POLARITY (ACTIVE-HIGH OR ACTIVE-LOW)

5. THESE INPUTS ARE NOT USED ON THE GI 106.

6. FOR IFR-CERTIFIED COMPOSITE AIRCRAFT ONLY (EACH AIRCRAFT IN APPENDIX G THAT REQUIRES

OVERBRAID OVER THE GPS/WAAS CABLE): ANY LRU (I.E. CDI, AUTOPILOT) THAT CONNECTS TO THE

GTN’S P1001 MAIN CDI/VDI OUTPUTS MUST BE MOUNTED TO THE INSTRUMENT PANEL OR COCKPIT

CENTER CONSOLE WITH ELECTRICAL BONDING EQUAL TO OR LESS THAN 20 MILLIOHMS BETWEEN THE

EQUIPMENT AND THE INSTRUMENT PANEL.

7. THE OBS INTERFACE TO THE GTN WORKS ONLY FOR KPI 552/553/553A UNITS THAT HAVE A COURSE KNOB

NOTES:

Figure E-8. GTN 6XX/7XX – CDI Interconnect

Sheet 3 of 3