Garmin GTN 725 Pilot's Manual page 502

Message
Foreword
DATALINK -
Getting
GSR56 is
Started
inoperative or
Audio &
connection to GTN
Xpdr Ctrl
is lost.
Com/Nav
FPL
DATALINK -
Direct-To
GSR56 data
services
Proc
inoperative;
registration
Charts
required.
DATA LOST -
Wpt Info
Pilot stored data
Map
was lost. Recheck
settings.
Traffic
DATA SOURCE -
Terrain
Pressure altitude
source inoperative
Weather
or connection to
GTN lost.
Nearest
Services/
Music
DATA SOURCE -
Heading source
Utilities
inoperative or
System connection to GTN
lost.
Messages
Symbols
Appendix
17-10
Index
Description
The GTN is configured
for a Garmin GSR 56
and the GTN cannot
communicate with the
GSR 56. GSR Weather,
Position Reporting, and
Phone Services will be
unavailable.
The GSR 56 is not
registered. GSR
Weather, Position
Reporting, and Phone
Services will be
unavailable.
User settings such as
map detail level, nav
range ring on/off, traffic
overlay on/off, and alert
settings have been lost.
The GTN is configured
to receive pressure
altitude but is not
receiving it from any
source.
The GTN is configured
to receive heading
information but is not
receiving it from any
source.
Garmin GTN 725/750 Pilot's Guide
Action
Close the GSR 56 circuit breaker
and ensure the GSR 56 is receiving
power. Contact dealer for service.
Contact dealer for service.
Recheck settings.
If the GTN is being used to
forward pressure altitude to a
transponder, the transponder will
not be receiving pressure altitude
from the GTN while that message
is present. Contact dealer for
service.
Heading up map displays will not
be available. Contact dealer for
service.
190-01007-03 Rev. D