Grs 77 Message Advisories - Garmin G1000 Reference Manual

gtx 33 message advisories (Cont.)
Message
XPDR1 SRVC – XPDR1 needs
service. Return unit for repair.
XPDR2 SRVC – XPDR2 needs
service. Return unit for repair.
XPDR1 FAIL – XPDR1 is
inoperative.
XPDR2 FAIL – XPDR2 is
inoperative.

grs 77 message advisories

Message
AHRS1 TAS – AHRS1 not receiving
valid airspeed.
AHRS2 TAS – AHRS2 not receiving
valid airspeed.
AHRS1 GPS – AHRS1 using backup
GPS source.
AHRS2 GPS – AHRS2 using backup
GPS source.
AHRS1 GPS – AHRS1 not receiving
any GPS information.
AHRS2 GPS – AHRS2 not receiving
any GPS information.
190-00748-02 Rev. B
Comments
The #1 transponder should be serviced when
possible.
The #2 transponder should be serviced when
possible.
There is no communication with the #1
transponder.
There is no communication with the #2
transponder.
Comments
The #1 AHRS is not receiving true airspeed from
the air data computer. The AHRS relies on GPS
information to augment the lack of airspeed.
The system should be serviced.
The #2 AHRS is not receiving true airspeed from
the air data computer. The AHRS relies on GPS
information to augment the lack of airspeed.
The system should be serviced.
The #1 AHRS is using the backup GPS path.
Primary GPS path has failed. The system should
be serviced when possible.
The #2 AHRS is using the backup GPS path.
Primary GPS path has failed. The system should
be serviced when possible.
The #1 AHRS is not receiving any or any useful
GPS information. Check AFMS limitations. The
system should be serviced.
The #2 AHRS is not receiving any or any useful
GPS information. Check AFMS limitations. The
system should be serviced.
Garmin G1000 Cockpit Reference Guide for the Cessna Caravan
annunciations & alerts
81