Garmin GTN 625Xi, Pilot'S Manual

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Messages
190-02327-03 Rev. C Pilot’s Guide 8-11
GPS/WAAS Advisories
ADVISORY CONDITION CORRECTIVE ACTION
GPS NAVIGATION
LOST
Insufficient satellites.
Use other navigation
source.
GPS position 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.
GPS NAVIGATION
LOST
Erroneous position.
Use other navigation
source.
GPS position lost due to
erroneous position.
Use a different GPS receiver or
a non-GPS based source of
navigation. Contact dealer for
service.
GPS RECEIVER
Low internal clock
battery.
GPS receiver indicates
that its clock battery is
low. May experience
delay when attempting to
acquire GPS position.
Almanac data may be
lost.
Contact dealer for service.
GPS RECEIVER
GPS receiver needs
service.
GPS receiver reports that
it requires service. GPS
module functionality may
be unavailable.
Use a different GPS receiver or
a non-GPS based source of
navigation. Contact dealer for
service.
GPS RECEIVER
GPS receiver has
failed. Check GPS
coax for electrical
short. Internal communication
to the GPS receiver is
inoperative.
Use a different GPS receiver or
a non-GPS based source of
navigation. Contact dealer for
service.
GPS SEARCHING
SKY
Ensure GPS antenna
has unobstructed
view of the sky.
GPS receiver is acquiring
position and may take
longer than normal.
Typically occurs when the
unit is powered on after
installation or being off
for several weeks.
No action necessary.
LOSS OF
INTEGRITY (LOI)
Verify GPS position
with other
navigation
equipment.
GPS board reports LOI.
Antenna may be shaded
from satellites.
Ensure the aircraft is clear of
hangars, buildings, trees, etc.
Use a different GPS receiver or
a non-GPS based source of
navigation. If the problem
persists, contact dealer for
service.