Com Alert; Stuck Microphone - Garmin GNC 355 Pilot's Manual

COM Alert

COM radio fail annunciations are designed to be immediately recognizable.
If a failure occurs while the control page is active, the display automatically returns
to the previous page.
UNIT
GNC 355
GNC 355A
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 push-to-talk is stuck" alerts for as long as the condition
exists.
190-02488-01 Rev. B
If the radio fails:
•
Red "X" displays over the COM key
•
Advisory message alerts
•
COM control page is not available
Invalid COM radio data.
Pilot's Guide
CONDITION
Get Started
2-35