15Use the touch screenLearn basic actions to use the touch screen.To avoid scratching the touch screen, do not use•sharp tools.Do not allow the touch screen to come in contact•with other electrical devices. Electrostaticdischarges can cause the touch screen tomalfunction.Do not allow the touch screen to come in contact•with water. The touch screen may malfunction inhumid conditions or when exposed to water.For the optimal use of the touch screen, remove•the protection film before using your phone.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.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 hold on an item, and then drag your•finger to move the item.Double-tap: Tap twice quickly with your finger to•zoom in or out while viewing photos or web pages.
