Select Menu > Setup > System.

Units

Sets the units of measure.

Heading

Sets the reference used in calculating heading information.

Variance

Adjusts the variance from true north. This setting is only available when the heading is set to True.

Beeper

Sets if and when audible sounds are used.

Auto Power

Enables the device to turn on automatically when the NMEA 2000^® network turns on.

GHC™ Low Volt. Alarm

Sounds an alarm when the voltage of the power supply connected to the device drops below a specified level.

Language

Sets the on-screen language.

Operating Mode

Allows you to set the operating mode to normal or store demo mode.

System Information

Allows you to view software information.

Factory Defaults

Resets the unit to factory defaults.