Garmin G1000 Reference Manual page 164

APPENDIX A
GIA 63 Message Advisories (Cont.)
Alerts Window Message
COM1 RMT XFR – COM1 remote
transfer key is stuck.
COM2 RMT XFR – COM2 remote
transfer key is stuck.
RAIM UNAVAIL – RAIM is not
available from FAF to MAP waypoints.
RAIM UNAVAIL – RAIM is not
available.
POSN ERROR – RAIM has determined
GPS position is in error.
DGRD GPS ACC – GPS position
accuracy degraded & RAIM unavailable.
GPS1 FAIL – GPS1 is inoperative.
GPS2 FAIL – GPS2 is inoperative.
GPS1 SERVICE – GPS1 needs service.
Return unit for repair.
GPS2 SERVICE – GPS2 needs service.
Return unit for repair.
NAV1 SERVICE – NAV1 needs service.
Return unit for repair.
NAV2 SERVICE – NAV2 needs service.
Return unit for repair.
NAV1 RMTXFR – NAV1 remote
transfer key is stuck.
NAV2 RMTXFR – NAV2 remote
transfer key is stuck.
148
Comments
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.
GPS satellite coverage is insufficient to perform Receiver Autonomous Integrity
Monitoring (RAIM) from the FAF to the MAP waypoints.
GPS satellite coverage is insufficient to perform Receiver Autonomous Integrity
Monitoring (RAIM) for the current phase of flight.
When a RAIM position error is detected, GPS is flagged and the system no longer
provides GPS-based guidance.
GPS position accuracy has been degraded and RAIM is not available.
A failure has been detected in the GPS1 and/or GPS2 receiver. The receiver is
unavailable. The G1000 system should be serviced.
A failure has been detected in the GPS1 and/or GPS2 receiver. The receiver may still
be available. The G1000 system should be serviced.
A failure has been detected in the NAV1 and/or NAV2 receiver. The receiver may still
be available. The G1000 system should be serviced.
The remote NAV1 and/or NAV2 transfer switch is stuck in the enabled (or "pressed")
state. Press the transfer switch again to cycle its operation. If the problem persists,
the G1000 system should be serviced.
Garmin G1000 Cockpit Reference Guide for Cessna Nav III