Alarm ClockThe alarm clock has sounded.
Anchor Drag AlarmYou have drifted out of the specified distance range.
ApproachingYou are less than one minute away from reaching a destination waypoint at your
present speed over ground.
Arrival AtYou have arrived at the destination waypoint.
Cant Change An Active WaypointYou have attempted to change the active to or active
from waypoint. Clear the active route or GOTO before making your changes.
Card Format is Not RecognizedThe cartridge inserted is not readable by the GPSMAP system
and may be damaged. Reinsert the cartridge to make sure it is properly installed. If the cartridge
is still not recognized, call the Micro G-chart information line at 1-800-427-6460.
Cross-Track AlarmYou have exceeded the off-course distance specified in the CDI setup.
Data Transfer is CompleteThe receiver is finished uploading or downloading information to
the connected device.
Database Memory has FailedThe built-in 64 nm database has failed. See an authorized service
center for repair.
Degraded AccuracyThe accuracy of your GPSMAP system has been degraded beyond 500
meters due to poor satellite geometry or data quality. You should check other navigational
sources to verify the position indicated.
Max Calibration Is 5000mt (16,400 ft)You have exceeded the maximum possible map cali-
bration.
Memory Battery Power is LowThe internal battery that stores waypoints, routes, and track
plots needs to be replaced. Take your unit to an authorized GARMIN service center for installa-
tion of a new battery.
Need AltitudeYour GPSMAP system needs the altitude to maintain a position fix due to poor
satellite coverage. Enter your approximate altitude on the initialize position page.
Need to Select Init MethodThe GPSMAP 180 needs to be initialized to your present
position. See pages 1-2 for complete instructions on initialization.
No Differential GPS PositionNot enough data is being received to compute a DGPS
position.
The GPSMAP 180 uses an on-screen message
prompt to alert you to important information.
Whenever a message appears, press the
J
key to view the message.
72
SECTION
C
APPENDIX
Messages
