51DevicePutting your tablet in Airplane modeYou can enter Airplane mode (also known as flight mode) to turn off network andBluetooth functions and use your tablet during a flight. Check with your airline tomake 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 status area.To turn Airplane mode on or off tap APPS > 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 secure work oroffice environment.Add a VPN by tapping APPS > Settings, then under WIRELESS & NETWORKStap More... > VPN > Add VPN network.DeviceSoundAdjust the volume of your tablet using the volume buttons on the side of the tablet.Alternatively, you can adjust your tablet sound settings by tapping APPS >Settings > Sound.RingAdjust Acer Ring settings by tapping APPS > Settings > Ring.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.Vibrate on touch Vibrates when pressing soft keys and on certain UIinteractions.Item DescriptionEnable Ring icon Select or clear the check box to enable or disable the AcerRing from appearing in the bottom of the screen.Top, Bottom, Left,Right shortcutSelect which application shortcuts you want to appear in theAcer Ring. You can choose up to four.