Garmin GMA 350 Pilot's Manual page 17

Pilot & Copilot Isolate Mode
In 'Pilot & Copilot Isolate' mode the Pilot and Passengers hear the
aircraft audio. The Copilot has the option to use Split-COM mode.
ICS Keys
Pilot & Passenger Isolate Mode
In 'Pilot & Passenger Isolate' mode the Pilot and Copilot hear the
aircraft audio. The Passengers hear each other.
ICS Keys
190-01134-12 Rev. D
PILOT
PILOT
Garmin GMA 350 Pilot's Guide
GMA 350 Audio Panel
Aircraft Audio
PASS
Mode Operation
Aircraft Audio
COPLT
Mode Operation
Split-COM
(Optional)
COPLT
PASS
17