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GTN 625/635/650 Cockpit Reference Guide (CRG)
190-01004-04 Rev. C
Messages
Message
Description
Action
GPS RECEIVER-
GPS receiver has failed.
Check GPS coax for
electrical short.
Internal communication
to the GPS module is
inoperative.
Use a different GPS receiver
or a non-GPS based source
of navigation. Contact
dealer for service.
GPS RECEIVER-
Low internal clock
battery.
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.
Contact dealer for service.
GPS RECEIVER-
GPS receiver needs
service.
The GPS module is
reporting that it needs
service. The GPS module
may continue to
function.
Use a different GPS receiver
or a non-GPS based source
of navigation. Contact
dealer for service.
GPS SEARCHING SKY-
Ensure GPS antenna has
an unobstructed view of
the sky.
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.
No action is necessary;
message is informational
only.
GTN-
GTN needs service.
The GTN has lost
calibration data that
was set by Garmin
during manufacturing.
Contact dealer for service.
INTERNAL SD CARD
ERROR-
GTN needs service.
Internal SD card has an
error. This card is not
accessible by the user.
Contact dealer for service.
Summary of Contents for GTN 625
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