Keys 2 Introduction Hold to turn on and off the device. Press repeatedly to scroll through the backlight brightness levels. Knob Turn to zoom in or out of a view. Turn to highlight an option in a menu. Press to select a highlighted option. HOME Press to open to the home screen. MENU Press to open or close a menu of options for a page. FOCUS Press to move a highlight to a different section of a page. Press to move a highlight to a different function or window on a combination page. Press to pan on a chart or sonar screen. Press to move the cursor. Press to highlight an option in a menu. BACK Press to return to the previous screen. SELECT Press to acknowledge messages and select options.
NAV INFO Press to open the Where To menu and access navigation features. MARK/SOS Press to save the present location as a waypoint. Hold for one second to mark an SOS location and begin a route back to the location. Shortcut keys Hold to create a shortcut to the selected feature button. Press to open the assigned feature.