Oscillator Needs AdjustmentThe GPSMAP 180 has detected excessive drift in
its internal oscillator, which may result in longer acquisition times. Take the
unit to an authorized GARMIN service center for adjustment.
Poor GPS CoverageThe GPSMAP 180 cannot acquire the necessary number
of satellites to compute a position.
Power Down and Re-initThe GPSMAP 180 cannot calculate a position due to
abnormal satellite conditions. Power down and verify the last position shown by
other means.
Proximity AlarmYou have entered the alarm radius for the proximity way-
point indicated.
Proximity List FullYou have used all nine proximity waypoints.
Proximity Overlaps Another Prox WyptThe alarm radius specified overlaps
the area specified for another proximity waypoint.
RAM has FailedThe random access memory has failed and the unit is not
operable. Take your unit to an authorized GARMIN service center for repairs.
ROM has FailedThe units permanent memory has failed and the unit is not
operable. Take your unit to an authorized GARMIN service center for repairs.
Received Invalid WaypointA waypoint was received during upload transfer
that has an invalid identifier.
Receiver has FailedA failure in receiver hardware has been detected. If this
message persists, do not use the unit and take it to an authorized dealer for
repair.
Route Already ExistsThe route number you are trying to copy to is already
used.
Route Does Not ExistThe route number you are trying to use or copy is not
defined.
Route is FullYou have attempted to add more than 30 waypoints to a route.
Route Memory is FullYou have attempted to create more than 20 routes.
Route Waypoint was DeletedA route waypoint entered does not exist in the
database and has been deleted from the route.
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APPENDIX
Messages
RTCM Input has FailedDGPS data being received has been lost. You are no longer
receiving the beacon signal.
Searching the SkyThe GPSMAP 180 is searching the sky for almanac data.
Stored Data was LostAll waypoints, routes and almanac data has been lost due to
internal battery failure.
There is No RTCM InputThe beacon receiver is not properly connected or baud rates
do not match.
Timer Has ExpiredThe countdown timer has expired.
Track Memory is FullThe track memory is full and no additional track plot will be
recorded until the track memory has been cleared or set to wrap mode.
Wypt Already ExistsThe waypoint name youve entered already exists in memory.
Waypoint Memory is FullYou have used all 250 waypoints in the GPSMAP 180 system.