Select > Settings > System.

Auto Lock

Allows you to lock the touchscreen automatically to prevent accidental touches. Use the During Activity option to lock the touchscreen during a timed activity. Use the Watch Mode option to lock the touchscreen when you are not recording a timed activity.

Language

Sets the language displayed on the device.

Time

Adjusts the time settings (Time Settings).

Backlight

Adjusts the backlight settings (Backlight Settings).

Vibration

Sets the device vibration level. The toggle switch allows you to turn vibrations on or off.

Do Not Disturb

Turns on or off do not disturb mode.

Controls Settings

Allows you to add, reorder, and remove the shortcut menu options in the controls menu (Customizing the Controls Menu).

Units

Sets the units of measure used on the device (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 reset user data and settings (Restoring All Default Settings).

Software Update

Allows you to install software updates downloaded using Garmin Express™.