Garmin GTN 625 Reference Manual page 78

Message
GPS RECEIVER -
GPS receiver has
failed. Check GPS
coax for electrical
short.
GPS RECEIVER -
GPS receiver needs
service.
GPS RECEIVER -
Low internal clock
battery.
GPS SEARCHING
SKY -
Ensure GPS
antenna has an
unobstructed view
of the sky.
GTN -
GTN needs service.
HOLD EXPIRED -
Holding EFC time
has expired.
68
Description
Internal communication
to the SBAS board is
inoperative.
The GPS module
is reporting that it
needs service. The GPS
module may continue
to function.
The GPS module
indicates that its clock
battery is low. Almanac
data may have been
lost. The unit will
function normally, but
may take a longer
than normal period to
acquire a GPS position.
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.
The GTN has lost
calibration data that
was set by Garmin
during manufacturing.
The selected Expect
Further Clearance (EFC)
time for a user-defined
hold has passed.
GTN 625/635/650 Cockpit Reference Guide
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.
Contact dealer for service.
No action is necessary; message is
informational only.
Contact dealer for service.
No action is necessary; message is
information only.
190-01004-04 Rev. N