6-4
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
DATALINK
• GDL 88H ADS-B
Failure. Unable to
transmit ADS-B
messages.
• GDL 88H ADS-B
fault.
• ADS-B fault: UAT
receiver.
• ADS-B fault: 1090
receiver.
• GDL 88H needs
service.
• GDL 88H ADS-B is
not transmitting
position. Check GPS
devices.
• GDL 88H control
panel input fault.
Check transponder
mode.
• GDL 88H ADS-B fault.
Pressure altitude
source inoperative.
• GDL 88H external
traffic system
inoperative or
connection lost.
• GDL 88H
configuration module
needs service.
• GDL 88H is inoperative
or connection to
GDU is lost.
• GDL 88H CSA failure.
• Contact your Garmin dealer for
service.
Summary of Contents for G500H
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