COM
Respond to a COM Alert
COM radio fail annunciations are designed to be immediately recognizable.
For information regarding pilot response to a COM radio failure, consult the AFMS.
Stuck Microphone
The COM transmitter automatically times out after 30 seconds of continuous
broadcasting. This may occur when:
•
Push-to-talk key on the microphone is stuck or accidentally left in the keyed
position
•
Push-to-talk function continues to transmit after releasing the key
The advisory message "COM MIC <1/2> key is stuck" alerts for as long as the
condition exists.
3-20
Radio failures are indicated by one or more of
the following:
•
Red "X" displays over the COM radio
control
•
Advisory message alerts
•
COM control options are not available
Pilot's Guide
190-02766-02 Rev. A