GPS Receiver Owner's Manual

42 GPSMAP 400/500 Series Owner’s Manual
Conguring the Chartplotter
Setting System Alarms
To set a system alarm from the Home screen, select Congure >
Alarms > System.
Clock—set an alarm using the system (GPS) clock. The unit must
be on for the clock alarm to work.
Battery
—set an alarm to sound when the battery reaches a specied
low voltage.
GPS Accuracy
—set an alarm to sound when the GPS location
accuracy falls outside the specied value.
Setting Sonar Alarms
To set a sonar alarm from the Home screen, select Congure >
Alarms > Sonar.
NOTE:
You must be receiving NMEA sonar depth data or using a
Garmin sounder module to congure sonar alarms.
Shallow Water
—set an alarm to sound when the depth is less than
the specied value.
Deep Water
—set an alarm to sound when the depth is greater than
the specied value.
Water Temp
—set an alarm to sound when the transducer reports
a temperature that is 2°F (1.1°C) above or below the specied
temperature.
Fish
—set an alarm to sound when the unit detects a suspended
target of the specied symbols.
—sounds an alarm for all sh sizes.
—sounds an alarm for medium and large sh only.
—sounds an alarm for large sh only.
Setting Weather Alarms
NOTE: You must have a subscription to XM WX Weather and
a connected Garmin XM WX weather receiver to view weather
information (page 55).
1. From the Home screen, select Congure > Alarms > Weather.
2. Turn the following alarms on or off: marine, tornado, severe
storm, ood, or ash ood.