Garmin GMA 350H Pilot's Manual page 10

GMA 350H/350Hc Audio Panel
Front Panel Jack – Used for an entertainment or telephone input.
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MIC1 – Selects the #1 transmitter for transmitting. COM1 receive
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is simultaneously selected when this key is pressed allowing received
audio from the #1 COM receiver to be heard. COM2 or COM3 receive
can be added by pressing the COM2 or COM3 Key. Selection of a
second MIC button initiates Split-COM mode (using COM1/COM2 or
COM1/COM3). When in Split-COM mode, the pilot is using the lower
numbered COM, the copilot is using the higher numbered COM.
MIC2 – Selects the #2 transmitter for transmitting. COM2 receive
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is simultaneously selected when this key is pressed allowing received
audio from the #2 COM receiver to be heard. COM1 or COM3 receive
can be added by pressing the COM1 or COM3 Key. Selection of a
second MIC button initiates Split-COM mode (using COM1/COM2 or
COM2/COM3). When in Split-COM mode, the pilot is using the lower
numbered COM, the copilot is using the higher numbered COM.
MIC3 – Selects the #3 transmitter for transmitting. COM3 receive
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is simultaneously selected when this key is pressed allowing received
audio from the #3 COM receiver to be heard. COM1 or COM2 receive
can be added by pressing the COM1 or COM2 Key. Selection of a
second MIC button initiates Split-COM mode (using COM1/COM3 or
COM2/COM3). When in Split-COM mode, the pilot is using the lower
numbered COM, the copilot is using the higher numbered COM.
NAV2 – When selected, audio from the #2 NAV receiver can be heard.
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PILOT – Controls the pilot intercom system. Press and hold to toggle
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3D audio on/off for all headset positions.
COPLT – Controls the copilot intercom system. Press and hold to
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toggle copilot configuration between crew and passenger.
PASS – Controls the passenger intercom system. Press and hold to
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enable/disable passenger muting during reception.
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Garmin GMA 350H/350Hc Pilot's Guide 190-01134-14 Rev. L