Hold , and select Settings > System.

Auto Lock

Automatically locks the touchscreen in watch mode to prevent inadvertent screen touches. You can select a key to unlock the touchscreen.

Language

Sets the language of the device interface.

Time

Sets the time format and source for local time (Time Settings).

Backlight

Sets the backlight mode, timeout, and brightness (Backlight Settings).

Vibration

Turns vibration on or off.

Units

Sets the measurement units used to display data (Changing the Units of Measure).

USB Mode

Sets the device to use mass storage mode or Garmin^® mode when connected to a computer.

Restore Defaults

Allows you to restore all of the device settings to the factory default values (Restoring All Default Settings).

Software Update

Allows you to check for software updates.

About

Displays the unit ID, software version, regulatory information, and license agreement.