Garmin GTN 625 Reference Manual page 75

Message
DATA SOURCE -
Heading source
inoperative or
connection to GTN
lost.
DATA SOURCE -
Pressure altitude
source inoperative
or connection to
GTN lost.
DATA SOURCE -
Radar Altimeter
source inoperative
or connection to
GTN lost.
DEMO MODE -
Demo mode is
active. Do not use
for navigation.
FLIGHT PLAN
IMPORT - Flight
plan import failed.
FLIGHT PLAN
IMPORT - Flight
plan import failed.
Catalog is full.
190-01004-04 Rev. N
Description
The GTN is configured
to receive heading
information but is not
receiving it from any
source.
The GTN is configured
to receive pressure
altitude but is not
receiving it from any
source.
The GTN is configured
to receive radio altitude
information but is not
receiving it from any
source.
The GTN is in Demo
Mode and must not
be used for actual
navigation.
The requested flight
plan could not be
imported because the
GTN was unable to
decode the contents of
the flight plan.
The flight plan
catalog is full and the
requested flight plan
could not be imported.
GTN 625/635/650 Cockpit Reference Guide
Action
Heading up map displays will not
be available. Contact dealer for
service.
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.
50 foot aural annunciation
is unavailable for HTAWS
installations. Contact dealer for
service.
Do not use for navigation. Power
cycle the GTN to exit demo mode.
Also ensure that the Direct-To key
is not stuck.
Check for proper operation of
the needed components. If the
problem persists. Contact dealer
for service.
Edit the flight plan catalog to
remove unneeded flight plans.
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