Garmin GTN 725 Pilot's Manual page 500

Message
Foreword
DATALINK -
Getting
GDL 88 is
Started
inoperative or
Audio &
connection to GTN
Xpdr Ctrl
is lost.
Com/Nav
FPL
DATALINK -
GDL 88 ADS-B
Direct-To
failure. Unable to
transmit ADS-B
Proc
messages.
DATALINK -
Charts
GDL 88 ADS-B
fault.
Wpt Info
Map
DATALINK -
ADS-B fault: UAT
Traffic
receiver.
DATALINK -
Terrain
ADS-B fault: 1090
receiver.
Weather
DATALINK -
Nearest
GDL88 ADS-B is
not transmitting
Services/
position. Check
Music
GPS devices.
Utilities
DATALINK -
GDL88 control
System
input fault. Check
transponder is in
Messages
correct mode.
Symbols
Appendix
17-8
Index
Description
The GTN is configured
for a Garmin datalink
(GDL 88) and the GTN
cannot communicate
with the datalink. Data
from the datalink will
not be available.
GDL 88 is not able
to transmit an ADS-B
message due to a
failure with the GDL 88
system or antenna(s).
The GDL 88 has
detected a fault with
one of the GDL 88
UAT/1090 antennas.
The GDL 88 has
detected a UAT receiver
fault.
The GDL 88 has
detected a 1090
receiver fault.
The GDL 88 has
detected a position
input fault.
The GDL 88 has lost
communication with
the transponder.
Garmin GTN 725/750 Pilot's Guide
Action
Contact dealer for service.
Contact dealer for service.
Contact dealer for service.
Contact dealer for service.
Contact dealer for service.
Contact dealer for service.
Contact dealer for service.
190-01007-03 Rev. D