67
190-01004-04 Rev. N
GTN 625/635/650 Cockpit Reference Guide
Me
ssage
s
Message
Description
Action
GLIDESLOPE -
Glideslope receiver
needs service.
The glideslope board is
indicating that it needs
service. The glideslope
board may continue to
function.
Verify glideslope deviation
indications with another source
and crosscheck final approach
fix crossing altitude. If another
glideslope source is not available
for verification, fly a GPS based
approach. Contact dealer for
service.
GNS CROSSFILL -
Catalog full; not all
GNS waypoint(s)
transferred.
A user waypoint from
the GNS could not be
created because the
user waypoint catalog
is full.
Remove some of the waypoints
from the catalog to make room for
the waypoints from the GNS.
GNS CROSSFILL -
GTN user
waypoint(s)
replaced with GNS
user waypoints.
A user waypoint from
the GNS replaced
one or more existing
waypoints on the GTN.
Ensure that the waypoints on the
GNS have unique names before
transferring to the GTN to avoid
overwriting existing waypoints.
GNS CROSSFILL -
Waypoint transfer
failed.
Waypoint transfer
failed/incomplete.
The data transfer should be
reattempted.
GPS
NAVIGATION
LOST -
Erroneous
position. Use other
navigation source.
GPS position has been
lost due to erroneous
position.
Use a different GPS receiver
or a non-GPS based source of
navigation. Contact dealer for
service.
GPS
NAVIGATION
LOST -
Insufficient
satellites. Use other
navigation source.
GPS position has been
lost due to lack of
satellites.
Wait for GPS satellite geometry
to improve. Ensure the aircraft
has a clear view of the sky. Use a
different GPS receiver or a
non-GPS based source of
navigation. Contact dealer for
service.
