The Main Menu provides access to various waypoint, system,
navigation and interface management, and setup menus.
Main Menu
To 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 highlighted
tab automatically appears on the right. To highlight a sub
tab, press left or right on the
ROCKER
, and then press up or
down 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 information
for a specific day.
• Celestial
—view tide, hunting & fishing, and sun & moon
information.
• 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
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