Pilot's Guide

190-00663-02 Rev. B Garmin G1000 Pilot’s Guide for the Hawker Beechcraft C90A/GT/GTi 104
AUDIO PANEL AND CNS
4.2 COM OPERATION
COM TRANSCEIVER SELECTION AND ACTIVATION
NOTE: During PA Mode, the COM MIC Annunciator is extinguished and the COM active frequency color
changes to white, indicating that neither COM transmitter is active.
NOTE: When turning on the G1000 for use, the system remembers the last frequencies used and the active
COM transceiver state prior to shutdown.
The COMFrequencyBoxiscomposedoffourelds;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eldaredisplayedineitherlightblueorgray.Thestandbyfrequencyselectedfor
tuning is light blue. The other standby frequency is gray.
Active
Fields
Standby
Fields
Selected for Tuning
COM1 Radio is Selected on the Audio Panel
Figure 4-3 Selecting a COM Radio for Transmit
Top Section of
the Audio Panel
COM3 is reserved for an optional COM radio.