MessagesAccuracy Alarm—the GPS accuracy has fallen outside of user-set value.Alarm Clock—the alarm clock has sounded.Antenna Shorted to Ground—the external GPS antenna has an electricalconnection problem. Contact Garmin Product Support.Approaching Target Altitude—within 1,000 feet of final VNAV targetaltitude.Approaching Turn—you are nearing a turn in a route.Approaching VNAV Profile—you are within one minute of reaching the initialVNAV decent point.Arriving at Destination—you are nearing your destination.Batteries Low—the battery needs to be recharged.Basemap Failed Unit Needs Repair—there is an internal problem with yourunit. Contact Garmin Product Support to have the unit serviced.Boat Is Not Moving Fast Enough to Calibrate—the boat is not moving fastenough for the speed wheel to provide a valid speed.Can’t Unlock Maps—no applicable unlock code for one or more maps wasfound. All MapSource maps are not accessible.Check XM Antenna—internal problem with your GXM 30 antenna. ContactGarmin Product Support.Database Error—internal problem with the unit. Contact your dealer orGarmin Product Support to have the unit repaired.Deep Water—the water is deeper than the amount set in the Deep WaterAlarm.Detail Maps Don’t Support Routing—maps that are loaded on the data carddo not support automatic route calculation.Distress Call—a DSC distress call was received. Take appropriate action.Dragging Anchor—the distance set in the Anchor Drag Alarm is exceeded.Drift Alarm—the water depth has changed by the amount entered in the DriftAlarm setup.Fish Alarm—a fish was detected. The unit shows an icon and beeps (ifenabled). This alarm does not show a message banner.Flash Flood Warning—a flash flood warning was issued for the area by theNational Weather Service.Flood Warning—a flood warning was issued for the area by the NationalWeather Service.Lost Satellite Reception—the unit is unable to receive satellite signals.Marine Warning—a marine warning was issued by the National WeatherService.GPSMAP 396 Pilot’s Guide 171APPENDIX > M ESSAGES
