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FEATURES AND OPERATION
The GMA 345 3-COM Audio Panel provides the traditional audio
selector functions of microphone and receiver audio selection. The Audio
Panel includes an intercom system (ICS), a marker beacon receiver, a COM
clearance recorder, USB power jack, and Bluetooth
from the aircraft radios is reduced by Avionics Squelch (ASQ). When no
audio is detected, ASQ processing further reduces the amount of background
noise. Intercom squelch threshold adjustments are handled automatically by
the system.
Pushbutton keys control audio selection. When a key is selected, a green
annunciator on the key is illuminated. Annunciator brightness is adjusted
automatically by photocell dimming. Key brightness is adjusted by the radio
dimming bus control. Three Aux inputs are available for additional avionics
or audio devices.
Upon installation, the unit may be configured in various ways depending
on aircraft type and the needs of the pilot.
190-01878-05 Rev. A
Ambient Light Sensor
Bluetooth Annunciator
GMA 345 3-COM
Garmin GMA 345 3-COM Pilot's Guide
GMA 345 3-COM Audio Panel
audio. Ambient noise
®
Marker Beacon Lights
USB Jack Type A
9
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