Astro Dog Tracking System Owner’s Manual Getting StartedUsing the Astro 220 Keypad FunctionsBACK Key - Press and release to canceldata entry or move backwards throughthe pages to the Main Menu.ENT (ENTER) Key - Press and release to enter highlightedoptions, select data or confirm on‑screen messages.IN/OUT Zoom Keys - Press to zoom inor out on the Map page. Press to scrollup or down a list on any other page.DOG Key - Press and release at anytime to view the Dog Tracker page.POWER Key - Press and hold to turnthe unit on or off. Press and release toadjust the backlighting.ROCKER Key - Press up, down, left, or right to highlightoptions and to enter data, or move the map panningarrow.Map Key - Press and release to view the Map page.MENU Key - Press and release to view page options.Press twice to view the Main Menu.MARK Key - Press and release at anytime to mark a variety of locations.
