0 Garmin Mobile ™ XT Owner’s ManualSettinGSDistance/Speed, Direction, Elevation, Depth, and Temperature—select a unit ofmeasure.Location Format—select a format for the latitude and longitude coordinates. Becausedifferent maps and charts use different position formats, Garmin Mobile XT allowsyou to choose the correct coordinate format for the type of map you are using. If youselect user uTM Grid, enter the appropriate coordinate information.Datum—select a map datum. Because different maps and charts use different mapdatum, Garmin Mobile XT allows you to choose the correct map datum for the mapyou are using. The datum is generally listed in the map’s legend.Device has Keypad—select Yes if your device has a traditional phone keypad.Routing SettingsRouting settings allow you to customize the way Garmin Mobile XT calculates routes.To change routing settings, select (Menu >) Settings > Routing.Calculate Routes for—select your vehicle type to optimize routes.off–Route Recalculation—select Prompted to have GarminMobile XT ask before recalculating your route if you go offthe route, Automatic–Announced to have Garmin MobileXT announce that it is recalculating, Automatic–Silent tohave Garmin Mobile XT recalculate the route without anannouncement, or Off to have Garmin Mobile XT not recalculatethe route if you go off route.