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6-2
Garmin G500 Pilot’s Guide
190-01102-02 Rev. B
Foreword
Sec 1
System
Sec 2
PFD
Sec 3
MFD
Sec 4
Hazard
Avoidance
Sec 5
Additional
Features
Sec 6
Annun.
& Alerts
Sec 7
Symbols
Sec 8
GlossaryAppendix A
Appendix B
Index
Alert Message Description Action
AHRS1/2 GPS AHRS1 using •
backup GPS.
If the system has dual GPS •
navigators, the primary GPS
navigation information is not being
forwarded to the AHRS. The AHRS
is using GPS position information
from the secondary navigator.
Contact your Garmin dealer for •
service.
AHRS1/2 SRVC AHRS1 magnetic-•
field model needs
update.
G500 requires service to update •
the magnetic field model.
Contact your Garmin dealer for •
service.
AHRS1/2 TAS AHRS1• not receiving
true airspeed.
Displayed heading •
and attitude data is
still valid.
Additional loss of •
GPS data will cause
loss of heading and
attitude data.
Check ADC cable. •
Contact your Garmin dealer for •
service.
CAL LOST Calibration Data •
Lost.
Navigation, •
Autopilot, and
Flight Director
functionality is
unreliable.
PFD/MFD coloration •
may be incorrect.
Contact your Garmin dealer for •
service.
CNFG
MISMATCH
GDU 1-2 airframe •
configuration
settings disagree.
Contact your Garmin dealer for •
service.