(POWER)— Red key turns the unit on and off, andcontrols three levels of screen backlighting intensity.(PAGE)— Scrolls main pages in sequence and returnsdisplay from a submenu page to a main page. Press andhold this key to change screen orientation.(MARK)— Captures your present position and dis-plays the mark position window.(GOTO)— Displays the GOTO waypoint window,allowing you to select the destination waypoint.(ENTER)— Activates highlighted fields and confirmsmenu options and data entry.(QUIT)— Returns the display to a previous page orrestores a data field’s previous value.(IN and OUT)— Provides 12 adjustable fields byselecting either the in or out keys from the Map Page.(KEYPAD)— Controls the movement of the cursorand is used to select options and positions, and toenter data.CURSOR— A solid black bar which can be movedup, down, left, and right with the keypad to select indi-vidual fields.DEFAULT— A system-selected format, built into asoftware program or the unit’s memory, that will be fol-lowed unless the user chooses a different setting.FIELD— The location on a page where a group ofcharacters or option is entered and displayed (Fig. 5).HIGHLIGHT— The act of using the cursor to select afield for the purpose of entering data.SCROLL— The act of moving through characters oroptions from a selected field.‘Mode’FieldFig. 55Keypad Usage/Operating Terms