
Garmin G1000 Cockpit Reference Guide for the Cessna Nav III
190-00384-08 Rev. A
12-14
SECTION 12 – ANNUNCIATIONS
& ALERTS
GIA 63 Message Advisories (Cont.)
Message Comments
MANIFEST – GIA1 software mismatch,
communication halted.
The GIA1 and/or GIA 2 has incorrect software installed. The G1000 system should
be serviced.
MANIFEST – GIA2 software mismatch,
communication halted.
COM1 TEMP – COM1 over temp.
Reducing transmitter power.
The system has detected an over temperature condition in COM1 and/or COM2. The
transmitter is operating at reduced power. If the problem persists, the G1000 system
should be serviced.
COM2 TEMP – COM2 over temp.
Reducing transmitter power.
COM1 SERVICE
– COM1 needs
service. Return unit for repair.
The system has detected a failure in COM1 and/or COM2. COM1 and/or COM2 may
still be usable. The G1000 system should be serviced when possible.
COM2 SERVICE
– COM2 needs
service. Return unit for repair.
COM1 PTT – COM1 push-to-talk key
is stuck.
The COM1 and/or 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 G1000 system should be serviced.
COM2 PTT – COM2 push-to-talk key
is stuck.
COM1 RMT XFR – COM1 remote
transfer key is stuck.
The COM1 and/or COM2 transfer switch is stuck in the enabled (or “pressed”) posi-
tion. Press the transfer switch again to cycle its operation. If the problem persists,
the G1000 system should be serviced.
COM2 RMT XFR – COM2 remote
transfer key is stuck.
RAIM UNAVAIL
– RAIM is not
available from FAF to MAP waypoints.
GPS satellite coverage is insufficient to perform Receiver Autonomous Integrity
Monitoring (RAIM) from the FAF to the MAP waypoints.
LOI – GPS integrity lost. Crosscheck
with other NAVS.
Loss of GPS integrity monitoring.
GPS NAV LOST
– Loss of GPS naviga-
tion. Insufficient satellites.
Loss of GPS navigation due to insufficient satellites.
GPS NAV LOST
– Loss of GPS
navigation. Position error.
Loss of GPS navigation due to position error.
GPS NAV LOST
– Loss of GPS
navigation. GPS fail.
Loss of GPS navigation due to GPS failure.
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