16Getting StartedData Fields/Main Menu PageData fields on the main pages (except the Active Route Page) may also be confi gured to display anyof 28 different information categories (see pages 22-23 for the complete list). On the Numbers Page,change the ‘POINTER’ field to ‘POSITION’.To change a data field:1. Press the MENU key to display the Numbers Page options.2. Use the ARROW KEYPAD to highlight ‘Change Data Fields’ and press ENTER/MARK.3. Once the menu window disappears, use the ARROW KEYPAD and highlight ‘POINTER’, then pressENTER/MARK.4. On the alphabetical list of options, press the ARROW KEYPAD UP or DOWN until you highlight‘POSITION’ and press ENTER/MARK (you may also press LEFT or RIGHT on the ARROW KEYPAD toscroll the list a page at a time). You will see a scroll bar on the right side of the window indicating yourcurrent position on the entire list of options.5. Press QUIT when done.As you’ve seen, the primary pages provide map and navigation information. The tour’s last pageis the Main Menu page, which allows access to the GPS 152’s waypoint, route and planning functions,various operational and navigation setup features, and celestial and tidal data.The Main Menu is available from any page, and is accessed through the MENU key.To access the Main Menu page:1. Press the MENU key twice.The Main Menu page lists 14 menu ‘tabs’ that are divided into categories by function. You canview a particular menu by simply highlighting the desired tab, which will then show any secondarysubmenu tabs and options for that tab.To get a feel for how the Main Menu page works, clear out the track log you created duringthe simulated tour. This will ensure that you have a clean slate once you start navigating in yourhome waters.You may choose from 28 different types of data.Submenu TabsMenuTabsMain Menu page with the ‘Wpt’ tab selected.