Basics30Controlling the touchscreen• Do not allow the touchscreen to come into contact with other electrical devices.Electrostatic discharges can cause the touchscreen to malfunction.• To avoid damaging the touchscreen, do not tap it with anything sharp or applyexcessive pressure to it with your fingertips.• The device may not recognise touch inputs close to the edges of the screen, whichare outside of the touch input area.• Leaving the touchscreen idle for extended periods may result in afterimages(screen burn-in) or ghosting. Turn off the touchscreen when you do not use thedevice.• It is recommended to use fingers when you use the touchscreen.TappingTo open an app, to select a menu item, to press an on-screen button, or to enter a characterusing the keyboard on the screen, tap it with your finger.