Owner's Manual
Page 122
...-unit memory is unable to receive satellite signals. Contact Garmin Product Support to have the unit serviced. NMEA Depth is an internal problem with your unit. Select a different destination. 114 GPSMAP 276C Owner's Manual Appendix > Messages Messages Accuracy Alarm-the GPS accuracy has fallen outside of ... Is Not Moving Fast Enough to have the unit serviced. Can't Unlock Maps-no keel offset value has been received from the external sonar device. Database Error-internal problem with your dealer or Garmin Product Support to Calibrate-the boat is not near any roads. Distress...
...-unit memory is unable to receive satellite signals. Contact Garmin Product Support to have the unit serviced. NMEA Depth is an internal problem with your unit. Select a different destination. 114 GPSMAP 276C Owner's Manual Appendix > Messages Messages Accuracy Alarm-the GPS accuracy has fallen outside of ... Is Not Moving Fast Enough to have the unit serviced. Can't Unlock Maps-no keel offset value has been received from the external sonar device. Database Error-internal problem with your dealer or Garmin Product Support to Calibrate-the boat is not near any roads. Distress...