Garmin GPSMAP 172C Owner's Manual - Page 11

(ZOOM) OUT Key The OUT key adjusts the map scale to display a larger area with less detail. (Zooms out) (ZOOM) IN Key The IN key adjusts the map scale to display a smaller area with more detail. (Zooms in) PAGE Key The PAGE key selects the main pages in sequence and returns display from a submenu page. QUIT Key The QUIT key returns the display to the previous page and, when entering data, it restores the previous value (cancels data entry). ARROW KEYPAD The ARROW keypad is used to select (Highlight) menu options and enter data. It also controls cursor movement on the Map Page. ENTER/MARK Key The ENTER/MARK key selects a highlighted menu option. When entering data, it allows you to initiate entry, and then to accept the selected value(s). It also marks the current location as a waypoint when pressed and held for more than one second. MENU Key The MENU key displays a menu of available options for the current page. Press twice (or press and hold for more than one second) to display the Main Menu. NAV/ MOB Key The NAV key displays the Go To and Follow navigation menu. MOB (Man OverBoard) actives the Man OverBoard navigation feature when pressed and held for more than one second. FIND Key The FIND key activates the find function to search for nearby items and user waypoints. POWER/ BACKLIGHT Key The POWER/ BACKLIGHT key turns on/off the unit and adjusts the display illumination/contrast. Multiple presses toggle the unit's backlight between maximum, user-set, and minimum brightness levels. Getting Started Keypad Usage OUT PAGE IN QUIT ENTER MARK MENU Arrow Keypad NAV MOB FIND Power Key Always press and release a key to perform its primary function. Press, hold for more than one second, then release the ENTER/MARK , NAV/MOB, and MENU keys to activate their secondary function.