Basics21Icon MeaningFlight mode activatedError occurred or caution requiredBattery power levelUsing the touch screenUse only fingers to use the touch screen.• Do not allow the touch screen to come into contact with other electrical devices.Electrostatic discharges can cause the touch screen to malfunction.• Do not allow the touch screen to contact water. The touch screen may malfunctionin humid conditions or when exposed to water.• To avoid damaging the touch screen, do not tap it with anything sharp or applyexcessive pressure to it with your fingertips.• Leaving the touch screen idle for extended periods may result in afterimages(screen burn-in) or ghosting. Turn off the touch screen when you do not use thedevice.Finger gesturesTappingTo open an application, to select a menu item, to press an on-screen button, or to enter acharacter using the on-screen keyboard, tap it with a finger.