Configuring the Chartplotter
3.Select an alarm.
4.Select On to turn the alarm on, and then specify alarm information.
Setting Navigation Alarms
To set a navigation alarm, from the Home screen, select Configure > Alarms > Navigation. Anchor Drag—set an alarm to sound when you exceed a specified drift distance.
Arrival—set an alarm to sound when you are within a specified distance or time from a destination waypoint.
Off Course—set an alarm to sound when you are off course by a specified distance.
Setting System Alarms
To set a system alarm, from the Home screen, select Configure > 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 user-determined low voltage.
GPS Accuracy—set an alarm to sound when the GPS location accuracy falls outside the user- determined value.
Setting Sonar Alarms
To set a sonar alarm, from the Home screen, select Configure > Alarms > Sonar.
Note: You must have an optional sonar module (and a transducer connected to the sounder module) wired through NMEA 0183 or connected to the Garmin Marine Network to receive sonar information.
Shallow Water/Deep Water—set an alarm to sound when the depth is less than or greater than the specified 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 specified temperature.
Fish—set an alarm to sound when the unit detects a suspended target of the specified symbols.
— sounds an alarm for all fish sizes
— sounds an alarm for medium and large fish only
— sounds an alarm for large fish only
Configuring My Boat
To configure settings for your boat, from the Home screen, select Configure > My Boat.
Auto Guidance—set the Auto Guidance parameters for your boat:
•Safe Depth—set the minimum depth (chart depth datum) to allow when calculating an auto guidance path. A safe depth of less than one meter is not allowed when using Auto Guidance.
•Safe Height—set the minimum height (chart height datum) of a bridge that your boat can safely travel under.
Keel Offset—offset the surface reading for the depth of a keel, making it possible to measure depth from the bottom of the keel instead of from the transducer location. Enter a positive number to offset for a keel. Enter a negative number to offset for a large vessel that may draw several feet of water.
