6-2
Garmin G500H Pilot’s Guide
190-01150-02 Rev. J
For
ewor
d
Sec 1 System
Sec 2
PFD
Sec 3
MFD
Sec 4
Hazar
d
Avoidance
Sec 5
Additional Featur
es
Sec 6
Annun.
& Alerts
Sec 7
Symbols
Sec 8
Glossary
Appendix A
Appendix B
Index
Alert Message
Description
Action
AHRS1 GPS
• AHRS1/2 not
receiving any GPS
information.
• AHRS1/2 operating
exclusively in no-GPS
reversionary mode.
• AHRS1/2 using
backup GPS source.
• AHRS1/2 not
receiving backup GPS
information.
• Two GPS devices
are configured as
present and AHRS1
is not receiving GPS
data from the backup
(2nd) device.
• Verify navigators are on and have
a GPS signal and are not in self-
test mode.
• Check AFMS for limitations.
• Contact your Garmin dealer for
service.
AHRS1/2 SRVC
• AHRS1/2 magnetic-
field model needs
update.
• Appears on ground
only.
• AHRS magnetic field model should
be upgraded.
• Contact your Garmin dealer for
service.
AHRS1/2 TAS
• AHRS1/2 not
receiving true
airspeed from ADC.
• 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.
Summary of Contents for G500H
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