Select to turn the backlight on and off. Hold to turn the device on and off.

Select to scroll through the data pages, options, and settings. Hold to navigate to an airport by airport code (Navigating to an Airport by Identifier).

Select to scroll through the data pages, options, and settings. Hold to navigate to the nearest airport (Navigating to the Nearest Airport).

Select to return to the previous screen. Hold to view the status page.

Action key

Select to open the menu for the current screen. Select to choose an option and to acknowledge a message. Hold to mark a waypoint.