Garmin G1000 NXi Reference Manual page 219

Message
COM1 PTT – COM1 push-to-talk key
is stuck.
COM1 RMT XFR – COM1 remote
transfer key is stuck.
COM1 SERVICE – COM1 needs
service. Return unit for repair.
COM1 TEMP – COM1 over temp.
Reducing transmitter power.
COM2 CONFIG – COM2 config error.
Config service req'd.
COM2 PTT – COM2 push-to-talk key
is stuck.
COM2 RMT XFR – COM2 remote
transfer key is stuck.
COM2 SERVICE – COM2 needs
service. Return unit for repair.
190-02178-02 Rev. A
Comments
The COM1 external push-to-talk switch is stuck
in the enable (or "pressed") position. Press the
PTT switch again to cycle its operation.
If the problem persists, the system should be
serviced.
The COM1 transfer switch is stuck in the
enabled (or "pressed") position. Press the
transfer switch again to cycle its operation. If
the problem persists, the system should be
serviced.
The system has detected a failure in COM1.
COM1 may still be usable. The system should
be serviced when possible.
The system has detected an over temperature
condition in COM1. The transmitter operates
at reduced power. If the problem persists, the
system should be serviced.
The COM2 configuration settings do not match
backup configuration memory. The system
should be serviced
The COM2 external push-to-talk switch is stuck
in the enable (or "pressed") position. Press the
PTT switch again to cycle its operation.
If the problem persists, the system should be
serviced.
The COM2 transfer switch is stuck in the
enabled (or "pressed") position. Press the
transfer switch again to cycle its operation. If
the problem persists, the system should be
serviced.
The system has detected a failure in COM2.
COM2 may still be usable. The system should
be serviced when possible.
Garmin G1000 NXi Cockpit Reference Guide for the Cessna NAV III
Annunciations & Alerts
193