41Note: Only A2DP stereo headsets (playback only, no microphone) aresupported. Please check for updates to the tablet's software which mayadd support for additional Bluetooth devices.Data UsageThe Data Usage section shows how much data has been transmitted to yourtablet, either in total or for each App. This information is useful if you are usinga metered service.Putting your tablet in Airplane modeYou can enter Airplane mode (also known as flight mode) to turn off networkand Bluetooth functions and use your tablet during a flight. Check with yourairline to make sure this is permitted onboard.Switch your tablet off during takeoff and landing as it may interfere with aircraftelectronic systems.Note: When Airplane mode is active, the icon is displayed in the statusarea.To turn Airplane mode on or off, tap Settings, then under WIRELESS &NETWORKS tap More... > Airplane mode.Virtual Private Network (VPN)This option enables you to connect to a private network, such as a securework or office environment.Add a VPN by tapping Settings, then under WIRELESS & NETWORKS tapMore... > VPN > Add VPN network.DeviceSoundAdjust the volume of your tablet using the volume buttons on the side of thetablet. Alternatively, you can adjust your tablet sound settings by tappingAPPS > Settings > Sound.Item DescriptionVolumes Sets volume for Media, Alarm, and Notifications.Default notification Sets a ringtone for Notifications.Touch sounds Plays a sound whenever a screen selection is made.Screen lock sound Plays a sound when locking and unlocking the screen.