Weather TabUse the Weather tab on the Main Menu to view individual weatherfeatures without turning all other weather features on or off. Forexample, you can select Storm Cells to view only storm cells onthe Map window that appears on the Weather tab. When you closethe Main Menu and return to the Map Page, all of your previouslyselected weather features still appear on the Map Page.NOTE: You must have a subscription to XM WX Weather andthe optional GXM 30 antenna must be plugged in to the USBport on the back of the unit to use features described in thissection.Main Menu—Weather TabFor more information about XM Weather, see the “Using XM WXWeather” section beginning on page 96.XM TabThe XM tab is where you can view and select XM Radio channels,add or delete favorites, and obtain radio ID and XM WX Weatherservice level information. The XM tab is divided into two sub tabs:Audio and Information.NOTE: The XM tab always appears on the Main Menu,regardless of whether the XM Audio Page is turned on or off.For more information about the XM Audio Page, see page 55.Main Menu—XM TabArtist nameCategory nameSignalstrengthindicatorChannelsSong titleChannelnumberChannelnameAudio Sub TabThe Audio sub tab shows XM Radio channel categories, a list ofavailable channels, information about the selected channel, and thestrength of the XM signal.70 GPSMAP 378/478 Owner’s ManualM AIN MENU > WEATHER TAB AND XM TAB
