Garmin aera 500 Series Pilot’s Guide190-01117-02 Rev. A 7Overview Overview GPS Navigation Flight Planning Hazard Avoidance Additional Features Appendices Index1.3 OPeratiONBaSic NaviGatiON cONtrOlSThe controls on the touchscreen change dynamically depending on the functiondisplayed.Touch the following icons to perform the associated function:Home Returns to the ‘Home’ screen.Back Displays the previous page; Returns ‘Home’ (touch and hold).OK Commits a value edited or selected.menu Displays the context sensitive option menu.menu/ Displays the menu; Displays the direct-to function (touch and hold).Up Scrolls up.down Scrolls down.direct-to Displays the direct-to function.Out Zooms out.In Zooms in.KEYPAd CONTROlSOK Exits the keypad function and accepts the changes.BKSP Erases the current data.Numeric Displays the numeric only keypad.Alpha Displays the alpha and numeric keypads.Cancel Cancels a value that has been edited.