GPSMAP 198C Sounder Owner’s Manual 107APPENDIX > M ESSAGESMessagesApproaching Turn—you are nearing a turn in a route.Arriving at Destination—you are nearing your destination.Batteries Low—you have less than 10 minutes of battery left.Can’t Unlock Maps—no applicable unlock code for one or moremaps was found.Cannot display all found, use city or postal code—the unit foundtoo many items to show. Narrow the search using the city or postalcode.Database Error—internal problem with the unit. Contact yourdealer or Garmin Product Support to have the unit repaired.Deep Water—the water is deeper than the amount set in the DeepWater Alarm.Dragging Anchor—the distance set in the Anchor Alarm isexceeded.Lost Satellite Reception—the unit is unable to continue receivingsatellite signals.Memory Full—unit memory is full; no further data can be saved.Near Proximity Point—you are nearing a proximity waypoint.No Diff GPS Location—RTCM is selected but no DGPS data isbeing received.No Tide Stations for that Area—no tide stations within 100 milesof the area.None Found—no data matched the search criteria.Off Course—you are off course the distance set in the “OffCourse” alarm.Proximity Memory Full—no additional proximity waypoints canbe saved.Proximity Radius Overlaps—the radii of two proximitywaypoints overlap.Route Already Exists—you have entered a route name thatalready exists.Route Memory Full—no additional routes can be saved.Route Truncated—uploaded route from another device has morethan 50 waypoints.Route Waypoint Memory Full—no additional route waypointscan be saved.Shallow Water—the water is shallower than the depth set in theShallow Water Alarm.