Figure 2-3 Gma 35 System Interface Diagram; Figure 2-4 Gma 35 Rear Connectors - Garmin GTN 6 Series Maintenance Manual

2.2.3 GMA 35 Equipment Interfaces
The GMA 35 utilizes RS-232, discrete inputs/outputs, and analog audio inputs/outputs to communicate
with other systems on the rotorcraft.
GTN 7XX
Control Head
COM 1
Transceiver
COM 2
Transceiver
COM 3
Transceiver
NAV 1 Radio
NAV 2 Radio
Marker
Beacon
Annunciators
Telephone
Audio
Bluetooth
Audio [1]
The GMA 35 interfaces with other avionics equipment through the rear connectors. The GMA 35c has a
connector for the Bluetooth antenna on the front of the unit.
190-01007-B1
Rev. 4
RS-232
Garmin
GMA 35
Audio Panel

Figure 2-3 GMA 35 System Interface Diagram

J3501

Figure 2-4 GMA 35 Rear Connectors

GTN 6XX/7XX Part 27 AML STC Maintenance Manual
Marker Beacon
Antenna
Cockpit Speaker
Pilot/Co-pilot
Headsets (x2)
Passenger
Headsets (x5)
Unswitched,
Unmuted Audio
Input (x4)
Music Input (x2)
Notes:
[1] GMA 35c only.
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