Getting started 21Double-tap: Tap twice quickly with your finger to zoom•in or out while viewing photos or web pages.Your device turns off the touch screen when you•do not use the device for a specified period. Toturn on the screen, press [ ].You can also adjust the backlight time. In Idle•mode, open the application list and selectSettings → Sound & display → Screen timeout.Lock or unlock the touch screenand keysYou can lock the touch screen and keys to prevent anyunwanted device operations.To lock, press [ ]. To unlock, turn on the screenby pressing [ ] and drag the puzzle piece to thecorresponding slot.For optimal use of the touch screen, remove the•screen protection film before using your device.Your touch screen has a layer that detects small•electrical charges emitted by the human body.For best performance, tap the touch screen withyour fingertip. The touch screen will not react totouches of sharp tools, such as a stylus or pen.Control your touch screen with the following actions:Tap: Touch once with your finger to select or launch a•menu, option, or application.Tap and hold: Tap an item and hold it for more than 2•seconds to open a pop-up option list.Drag: Tap and drag your finger up, down, left, or right to•move to items on lists.Drag and drop: Tap and hold your finger on an item, and•then drag your finger to move the item.
