GPSMAP 3205 Owner’s Manual 57M AIN MENU > ALARMS TABNav (Navigation) AlarmsUse the Nav sub tab to set navigational alarms including anchor drag, arrival, andoff course.The Nav sub tab contains the following alarms:• Anchor Drag—sets an alarm to sound when a specified drift distance isexceeded. Enter a value in the distance field, and use the control field toturn the alarm on and off.• Arrival—sets an alarm to sound when a specified distance or time awayfrom a destination waypoint is exceeded. Enter a distance, radius, or timefor sounding the alarm, and use the control field to set the alarm to Off,Dist (distance), or Time.• Off Course—sets an alarm to sound when you are off course by a specificdistance. Enter a distance in the distance field, and use the control field toturn the alarm on and off.Sonar Alarms*Use the Sonar sub tab to set sonar alarms including shallow or deep water,water temperature, and fish.The Sonar sub tab contains the following alarms:• Shallow Water/Deep Water—sets an alarm to sound when you enteran area of specified depth that is too shallow or too deep. You must bereceiving sonar data for this function to work.• Water Temperature—sets an alarm to sound when the transducer reportsa temperature either above, below, inside, or outside the specified values.• Fish —sets an alarm to sound when the unit detects a fish of the specifiedsymbols.*You must be receiving NMEA sonar data or using a GSD 20, GSD 21 or GSD 22 for thesonar alarms to function.
