Hold to turn the device on and off, enter night vision mode, and enter watch mode.

Select to turn the backlight on and off.

Select to scroll through the main pages in sequence.

Select to go back to the previous view from a menu or option.

Hold to navigate to a waypoint.

Select to open the menu for the page.

Hold to mark a waypoint.

Select to scroll through menus and pages.

Select to zoom out or zoom in on the map page.