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AUDIO PANEL AND CNS
4.2 COM OPERATION
COM TRANSCEIVER SELECTION AND ACTIVATION
During PA Mode, the COM MIC Annunciator is extinguished and the COM active frequency color
NOTE:
changes to white, indicating that neither COM transmitter is active.
When turning on the G1000 for use, the system remembers the last frequencies used and the active
NOTE:
COM transceiver state prior to shutdown.
The COM Frequency Box is composed of four fields; the two active frequencies are on the left side and the
two standby frequencies are on the right. The COM transceiver is selected for transmitting by pressing the
COM MIC Keys on the Audio Panel. During reception of audio from the COM radio selected for transmission,
audio from the other COM radio is muted.
An active COM frequency displayed in green indicates that the COM transceiver is selected on the Audio
Panel (COM1 MIC or COM2 MIC Key). Both active COM frequencies appearing in white indicate that no COM
radio is selected for transmitting (PA Key is selected on the Audio Panel).
Frequencies in the standby field are displayed in either white or gray. The standby frequency in the tuning
box is white. The other standby frequency is gray.
96
Active
Standby
Fields
Fields
Tuning Box
COM2 Radio is Selected
on the Audio Panel
Figure 4-3 Selecting a COM Radio for Transmit
Garmin G1000 Pilot's Guide for the Diamond DA40/40F
Top Section of
the Audio Panel
190-00592-06 Rev. A
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