M aIn MenuThe Main Menu provides access to various waypoint, system,navigation and interface management, and setup menus.Main MenuTo select a tab from the Main Menu:1. From any page, press MENU twice to open the Main Menu.2. Highlight the tab you want. The information for the highlightedtab automatically appears on the right. To highlight a subtab, press left or right on the ROCKER, and then press up ordown to select individual fields.Main Menu Tabs• GPS—view satellite information.• Weather—view individual weather features.• XM—view and select XM Radio channels.• Route—create and store routes.• Points—view stored waypoints.• Track—record and save tracks.• DCS—set up digital select calling features.• Sonar—configure sonar options.• Alarms—define alarm settings.• Calendar—view sun/moon and hunting/fishing informationfor a specific day.• Celestial—view tide, hunting & fishing, and sun & mooninformation.• Message—view system-generated messages.• Display—adjust backlighting and page display.• Sound—customize GPSMAP 378/478 sounds.• Setup—adjust system settings.GPSMAP 378/478 Owner’s Manual 7MAIn Menu > MAIn Menu tAbs
