Garmin GTN 650 Series Pilot's Manual Upgrade Supplement page 117

Message
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.
GTN -
GTN needs service.
INTERFACE
ADAPTER -
GAD 42
configuration
needs service.
INTERFACE
ADAPTER -
GAD 42 needs
service.
GTN 650/750 Series SW V3.00 Upgrade Supplement 190- 01007-05 Rev A
Description
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 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.
The GTN has lost
calibration data that
was set by Garmin
during manufacturing.
GAD 42 indicates a
configuration error.
GAD 42 indicates it
needs service. The GAD
42 may continue to
function.
Action
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.
Contact dealer for service.
Verify all input/output data from/
to the GAD 42 Interface Adapter.
Contact dealer for service.
Verify all input/output data from/
to the GAD 42 Interface Adapter.
Contact dealer for service.
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