24INTRODUCTIONKeypad UsageMPJGOTQZRBScrolls the main pages in sequence and returnsdisplay from a submenu page to a main page.Captures your present position and displaysthe mark position window.Returns display to a previous page or restores adata field’s previous value.Adjusts the map and highway scales upand down.Controls the movement of the cursor and isused to select options and positions, and toenter data.Marks your present GPS position and instantlysets a return course while providing steeringguidance.Displays the GOTO waypoint window,allowing you to select the destinationwaypoint. Press GOTO twice to select adestination waypoint graphically from the map.Displays a context-sensitive options window.Press MENU twice to display main menu page.Activates highlighted fields and confirms menuoptions and data entry.Turns the unit on and off and controls 3-levelscreen backlighting.The GPSMAP 175’s advanced keypad system is designed to allow for fast, convenientselection of navigation options and data entry.The Getting Started Tour will introduce you to most of the keypad and provide a“hands-on” lesson in using the GPSMAP 175. We strongly encourage you to take theGetting Started tour before using your unit for actual navigation.The GPSMAP 175 Quick Reference Card contains helpful tips on using the unit andperforming various navigation tasks. It’s a good idea to keep the Quick Reference Cardnearby whenever you’re navigating with your new GPS chartplotter.