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The list below shows you what the different keys and sockets on your tablet are used for.
Several functions are associated with On/Off:
Press On/Off to turn your tablet on or off.
Press On/Off to turn on the screen lock.
The Volume key
Press the right or left side of the Volume key to adjust the ring volume.
Connect the charger or data cable to the socket and to a wall socket or your computer's USB port.
Connect the headset to the headset socket.
Point the camera lens at the required object to take a picture.