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Off Course—you are off course by the distance set in the Off Course Alarm.
Proximity Memory Full—no additional proximity waypoints can be saved.
Proximity Radius Overlaps—the radius of two proximity waypoints overlap.
Route Already Exists—you have entered a route name that already exists.
Route Calculation Error—no route can be calculated.
Route Memory Full—no additional routes can be saved.
Route Truncated—uploaded route from another device has more than 300
waypoints.
Route Waypoint Memory Full—no additional route waypoints can be saved.
Shallow Water—the water is shallower than the amount set in the Shallow
Water Alarm.
Sonar Failed Unit Needs Repair—there is an internal problem with the unit.
Contact Garmin Product Support to have the unit serviced.
Sunrise, Switching to Day Mode—the unit is switching to Day Mode.
Sunset, Switching to Night Mode—the unit is switching to Night Mode
Track Already Exists—a saved track with the same name already exists.
Track Log Full—the track log is full and track recording was turned off.
To record more track points, you need to clear the track log and turn track
recording on.
Track Memory Full—no more track data can be stored. Delete the old track
data to store the new data.
Track Truncated—a complete uploaded track will not t in memory. The
oldest track log points have been deleted.
Transducer Disconnected, Sonar Turned Off—the unit has no transducer
attached, has a bad cable/transducer, or has a disconnected transducer cable.
Transfer Complete—data transfer was completed.
USB Connected—the USB cable was recently plugged in.
User Timer Expired—the Timer Alarm value has counted down to zero.
Water Speed Sensor is Not Working—the speed sensor is not detected. Check
the connections.
Water Temperature Alarm—sonar has reported a temperature above, below,
inside, or outside the specied value(s).
Waypoint Already Exists—a waypoint with the same name already exists.
Waypoint Memory Full—the unit has stored the maximum number of
waypoints.
GPSMAP 278 Owner’s Manual 119
APPendIx > MessAges