Garmin GTN 725 Cockpit Reference Manual page 50

Message
GPS NAVIGATION LOST-
Insuffi cient satellites.
Use other navigation
source.
GPS NAVIGATION LOST-
Erroneous position. Use
other navigation source.
GPS RECEIVER-
GPS receiver has failed.
Check GPS coax for
electrical short.
GPS RECEIVER-
Low internal clock
battery.
GPS RECEIVER-
GPS receiver needs
service.
GPS SEARCHING SKY-
Ensure GPS antenna
has an unobstructed
view of the sky.
44
Description
GPS position has been
lost due to lack of
satellites.
GPS position has been
lost due to erroneous
position.
Internal communication
to the GPS module is
inoperative.
The GPS module
indicates that its clock
battery is low. The unit
will function normally,
but may take a longer
than normal period to
acquire a GPS position.
The GPS module is
reporting that it needs
service. The GPS module
may continue to
function.
The GPS module is
acquiring position and
may take longer than
normal. This message
normally occurs after
initial installation or if
the unit has not been
powered for several
weeks.
GTN 725/750 Cockpit Reference Guide (CRG)
Action
Use a different GPS receiver
or a non-GPS based source of
navigation. Contact dealer for
service.
Use a different GPS receiver
or a non-GPS based source of
navigation. Contact dealer for
service.
Use a different GPS receiver
or a non-GPS based source of
navigation. Contact dealer for
service.
Contact dealer for service.
Use a different GPS receiver
or a non-GPS based source of
navigation. Contact dealer for
service.
No action is necessary;
message is informational
only.
190-01007-04 Rev. B