Garmin Mobile ™ XT Owner’s Manual SettinGSShow Location—select on Roads to have the location icon appear on the nearestroad, or select At GPS Location to display the icon at your actual GPS location.outline Detailed Maps—select Yes to display lines around detailed maps you haveloaded onto your device.Lat/Lon Grid—select Enabled to display the latitude/longitude grid.Map Features—select the text size for locations that appear on the map (POIs,streets, cities, etc.) or disable text labels.System SettingsSystem settings allow you to customize the GPS and select units of measure. Tochange system settings, select (Menu >) Settings > System.Remote GPS—opens the Remote GPS Information page. Seepage 44.Disconnect Bluetooth GPS on Phone Call (not available on allphones)—some phones can only be connected using Bluetoothtechnology for one feature, while other phones and GPSreceivers (the GPS 20SM) can use two Bluetooth connections;one for GPS and one for hands-free calling. This setting allowsyou to set the priority for the Bluetooth technology connections. Select Alwaysto disconnect the Bluetooth GPS to use the hands-free features. Select When notrouting to disconnect the Bluetooth GPS to use the hands-free features only when youare not following a route. Select Never to always keep the Bluetooth GPS connected.