Garmin GTN 6 Series Maintenance Manual page 124

GTN #1 Interfaced Equipment List - CONTINUED
SYNCHRO HEADING SOURCE
Installed: Yes No
Model(s):
Interface(s) (Analog, RS-232, ARINC 429, etc.): :
GTN Port Number(s) (if applicable):
Covered by GTN STC Installation Manual?  Yes No
If a second GTN is not installed in the aircraft, check this box and do not fill out the following table.
 [ G TN #2 Not Installed]
190-01007-B1
Rev. 4
GTN 6XX/7XX Part 27 AML STC Maintenance Manual
Page A-26