Garmin GTN 625 Pilot's Manual page 548

Message
Foreword
GPS RECEIVER -
Getting
Low internal clock
Started
battery.
Audio &
Xpdr Ctrl
Com/Nav
FPL
GPS SEARCHING
Direct-To
SKY -
Ensure GPS
Proc
antenna has an
Wpt Info
unobstructed view
of the sky.
Map
Traffic
GTN -
GTN needs service.
Terrain
Weather
HOLD EXPIRED -
Nearest
Holding EFC time
has expired.
Services/
Music
HTAWS -
Utilities
Invalid Terrain
Database.
System
INTERFACE
ADAPTER -
Messages
GAD 42
configuration
Symbols
needs service.
Appendix
Index
16-12
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
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.
The selected Expect
Further Clearance (EFC)
time for a user-defined
hold has passed.
The terrain database is
of insufficient resolution
for use with HTAWS.
GAD 42 indicates a
configuration error.
GTN 625/635/650 Pilot's Guide
Action
Contact dealer for service.
No action is necessary; message is
informational only.
Contact dealer for service.
No action is necessary; message is
information only.
Load HTAWS specific terrain
database on the external SD card.
Verify all input/output data from/
to the GAD 42 Interface Adapter.
Contact dealer for service.
190-01004-03 Rev. P