DSC Position Report Received From—shows the MMSI or name associated with an MMSI.

Database Error—internal problem with the unit. Contact your dealer or Garmin Product Support to have the unit serviced.

Deep Water Alarm—the Deep Water Alarm depth has been reached.

Directory Item With This MMSI Already Exists—the MMSI number is already in the DSC directory. Use a different number.

Directory Memory is Full, Can’t Create Entry—the DSC directory has reached the maximum of 100 contacts. Delete unneeded contacts to add new ones.

Distress Call—a DSC distress call has been received. Take appropriate action.

Entering (Leaving) target water temperature—the target water temperature is 2°F (1.1°C) above or below the temperature specified by the Water Temperature Alarm. These messages appear when you enter or leave that zone.

Entering Safe Region—the boat is approaching a safe region as defined by your configuration settings.

Entering Unsafe Region—the boat is approaching an unsafe region as defined by your configuration settings.

Appendix

Fish Alarm—a beep sounds (if enabled) when a fish is detected. This alarm does not show a message banner.

Invalid MMSI—enter a valid MMSI.

Lost Satellite Reception—the unit has lost satellite signals. Check antenna connections or try moving to a location with a clear view of the sky.

NMEA Depth Is Below Transducer—you must enter an appropriate Keel Offset for the transducer (page 53).

No Waypoints/Routes/Tracks/User Waypoints Found—attempted to transfer user data from an SD card that does not contain the specified type of data. Make sure there is data to transfer on the SD card.

Off Course Alarm—you are off course the distance set in the “Off Course” alarm.

Route Already Exists—you entered a route name that already exists in memory. Modify the route name or delete the previous route name.

Route is Full—you attempted to add more than 250 points to a route. Reduce the number of points or create a second route.

Route Truncated—an uploaded route from another device has more than 250 waypoints and was truncated to fit.

GPSMAP 400/500 Series Owner’s Manual