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Garmin da42-l360 User Manual

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Garmin G1000 Cockpit Reference Guide for the DA42-L360
190-01062-01  Rev. A 
70
Annunciations & Alerts
Flight
Instruments
EIS
Nav/Com/
XPDR/Audio
AFCS
GPS Nav
Flight
Planning
Pr
ocedur
es
Hazar
d
Avoidance
Additional
Featur
es
Abnormal
Oper
ation
Annun/
Alerts
Appendix
Index
grs 77 messAge ADvisOries (COnt.)
Message
Comments
AHRS1 GPS – AHRS1 not receiving 
backup GPS information.
The #1 AHRS is not receiving backup GPS 
information.  The G1000 system should be 
serviced.
AHRS1 GPS – AHRS1 operating 
exclusively in no-GPS mode.
The #1 AHRS is operating exclusively in no-GPS 
mode.  The G1000 system should be serviced.
AHRS1 SRVC – AHRS1 Magnetic-
field model needs update. 
The #1 AHRS earth magnetic field model is out 
of date.  Update magnetic field model when 
practical.
GEO LIMITS – AHRS1 too far 
North/South, no magnetic compass.
The aircraft is outside geographical limits for 
approved AHRS operation.  Heading is flagged 
as invalid.  
MANIFEST – GRS1 software 
mismatch, communication halted. 
The #1 AHRS has incorrect software installed.  
The G1000 system should be serviced.
gmu 44 messAge ADvisOries
Message
Comments
HDG FAULT – AHRS1 
magnetometer fault has occurred.  
A fault has occurred in the #1 GMU 44.  
Heading is flagged as invalid.  The AHRS uses 
GPS for backup mode operation.  The G1000 
system should be serviced.
MANIFEST – GMU1 software 
mismatch, communication halted.
The GMU 44 has incorrect software installed.  
The G1000 system should be serviced.
gDC 74A messAge ADvisOries
Message
Comments
MANIFEST – GDC1 software 
mismatch, communication halted.
The GDC 74A has incorrect software installed.  
The G1000 system should be serviced.