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Garmin G1000 Cockpit Reference Guide for the Socata TBM 850
190-00708-02 Rev. A 81
Annunciations & Alerts
Flight
Instruments EAS
Nav/Com/
XPDR/Audio AFCS GPS Nav
Flight
Planning Procedures
Hazard
Avoidance
Additional
Features
Abnormal
Operation
Annun/
Alerts Appendix Index
GIA 63W MESSAGE ADVISORIES (CONT.)
Message Comments
LOI
– GPS integrity lost. Crosscheck
with other NAVS.
GPS integrity is insufficient for the current phase
of flight.
GPS NAV LOST
– Loss of GPS
navigation. 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.
ABORT APR
– Loss of GPS
navigation. Abort approach.
Abort approach due to loss of GPS navigation.
APR DWNGRADE
– Approach
downgraded.
Vertical guidance generated by WAAS is
unavailable, use LNAV only minimums.
TRUE APR
– True north approach.
Change HDG reference to TRUE.
Displayed after passing the first waypoint of a
true north approach when the nav angle is set
to ‘AUTO’.
GPS1 SERVICE
– GPS1 needs
service. Return unit for repair.
A failure has been detected in the GPS1
and/or GPS2 receiver. The receiver may still be
available. The G1000 system should be serviced.
GPS2 SERVICE
– GPS2 needs
service. Return unit for repair.
NAV1 SERVICE
– NAV1 needs
service. Return unit for repair.
A failure has been detected in the NAV1
and/or NAV2 receiver. The receiver may still be
available. The G1000 system should be serviced.
NAV2 SERVICE
– NAV2 needs
service. Return unit for repair.
NAV1 RMT XFR
– NAV1 remote
transfer key is stuck.
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.
NAV2 RMT XFR
– NAV2 remote
transfer key is stuck.
G/S1 FAIL
– G/S1 is inoperative.
A failure has been detected in glideslope
receiver 1 and/or receiver 2. The G1000 system
should be serviced.
G/S2 FAIL
– G/S2 is inoperative.