38
GTN 625/635/650 Cockpit Reference Guide (CRG)
190-01004-04 Rev. C
Messages
Message
Description
Action
DATALINK-
GDL 69 is inoperative or
connection to GTN is lost.
The GTN is confi gured
for a Garmin datalink
(GDL 69 or 69A)
and the GTN cannot
communicate with the
datalink. Data from
the datalink will not be
available.
Contact dealer for service.
DATA LOST-
Pilot stored data was lost.
Recheck settings.
User settings such as
map detail level, NAV
range ring on/off, traffi c
overlay on/off, and alert
settings have been lost.
Recheck settings.
DATA SOURCE-
Pressure altitude source
inoperative or connection
to GTN lost.
The GTN is confi gured
to receive pressure
altitude but is not
receiving it from any
source.
Leg types requiring an
altitude source will no
longer automatically
sequence. Contact dealer for
service.
DATA SOURCE-
Heading source
inoperative or connection
to GTN lost.
The GTN is confi gured
to receive heading
information but is not
receiving it from any
source.
Heading up map displays
will not be available.
Contact dealer for service.
DEMO MODE-
Demo mode is active. Do
not use for navigation.
Demo mode is in
operation.
Do not use for navigation.
Power cycle the GTN to exit
demo mode.
FPL WAYPOINT LOCKED-
Stored fl ight plan
waypoint is not in current
navigation database.
A stored fl ight plan
waypoint is no longer in
the current navigation
database.
Verify stored cataloged
fl ight plans and procedures.
Modify stored fl ight plans
as necessary to include
waypoints that are in the
current navigation database.
Summary of Contents for GTN 625
Page 55: ......
