Hold to turn the device on.

Hold to open the power menu.

Press to turn the backlight on or off.

Press to scroll through menus, options, and settings.

Press to scroll through menus, options, and settings.

Press to choose an option or open the menu for a page.

Hold to save your current location as a waypoint.

Press to return to the previous page.

Hold to view the glance loop.

USB port (under weather cap).

Mounting spine.