User Guide
190-00649-00 Rev. A
Garmin G1000 Pilot’s Guide for the Diamond DA42
A-8
APPENDIX A
GTX 33 MESSAGE ADVISORIES
Alerts Window Message Comments
XPDR1 CONFIG – XPDR1 config
error. Config service req’d.
The transponder configuration settings do not match those of backup
configuration memory. The G1000 System should be serviced.
MANIFEST – GTX1 software
mismatch. Communication halted.
The transponder has incorrect software installed. The G1000 System should be
serviced.
BACKUP PATH
– XPDR1 using
backup data path.
The #1 transponder is using a backup communications path. The G1000 System
should be serviced when possible.
GRS 77 MESSAGE ADVISORIES
Alerts Window Message Comments
AHRS TAS – AHRS not receiving
airspeed.
The AHRS is not receiving true airspeed from the air data computer. The AHRS
relies on GPS information to augment the lack of airspeed. The G1000 System
should be serviced.
AHRS GPS – AHRS using backup GPS
source.
The AHRS is using the backup GPS path. Primary GPS path has failed. The
G1000 System should be serviced when possible.
AHRS GPS – AHRS not receiving any
GPS information.
The AHRS is not receiving any or any useful GPS information. Check AFMS
limitations. The G1000 System should be serviced.
AHRS GPS – AHRS not receiving
backup GPS information.
The AHRS is not receiving backup GPS information. The G1000 System should be
serviced.
AHRS GPS – AHRS operating
exclusively in no-GPS mode.
The AHRS is operating exclusively in no-GPS mode. The G1000 System should be
serviced.
MANIFEST – GRS1 software
mismatch. Communication halted.
The AHRS has incorrect software installed. The G1000 System should be serviced.
BACKUP PATH – AHRS using backup
data path.
The AHRS is using a backup communications data path. The G1000 System
should be serviced when possible.
AHRS SRVC – AHRS Magnetic-field
model needs update.
The AHRS earth magnetic field model is out of date. Update magnetic field
model when practical.
GEO LIMITS – AHRS too far North/
South, no magnetic compass.
The aircraft is outside geographical limits for approved AHRS operation. Heading
is flagged as invalid.
GMU 44 MESSAGE ADVISORIES
Alerts Window Message Comments
HDG FAULT
–
A magnetometer fault
has occurred
.
A fault has occurred in the GMU 44. Heading is flagged as invalid. The AHRS
uses GPS for backup mode operation. The G1000 System should be serviced.
MANIFEST – GMU software
mismatch. Communication halted.
The GMU 44 has incorrect software installed. The G1000 System should be
serviced.