Garmin GMA 350c Pilot's Manual page 5

GMA 350/350c Audio Panel
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 receive can be
added by pressing the COM1 Key. Selection of a second MIC button
initiates Split-COM mode. When in Split-COM mode, the pilot is
using COM1, the copilot is using the COM2.
PLAY – Press once to play the latest recorded memory block. Press
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while audio is playing begins playing the previously recorded memory
block. Each subsequent press thereafter plays the previous block of
memory.
AUX – When selected, audio from the AUX inputs 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.
SPKR – Selects and deselects the cabin speaker. COM, NAV, AUX, and
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MKR receiver audio can be heard on the speaker. Press and hold for 2
seconds for Passenger Address (PA). The SPKR key flashes during PA.
Cursor (CRSR) Control Knob – Turn to move the cursor (flashing
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white or blue annunciator) to the desired source.
Volume (VOL) Control Knob – Turn the smaller knob to control
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volume or squelch of the selected source (indicated by the flashing
white or blue annunciator). When the volume control cursor is not
active press to switch to Blue-Select mode. If the volume control cursor
is active, press twice (once to cancel the cursor, twice to activate Blue-
Select mode).
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Garmin GMA 350/350c Pilot's Guide 190-01134-12 Rev. K