59– avoid installing or removing the battery pack when the Tablet PC is inSleep mode. Abruptly removing the battery pack may cause loss ofdata or the Tablet PC may become unstable.– avoid touching the battery pack terminals or damage may occur,thereby causing improper operation to it or the Tablet PC.The Tablet PC’s input voltage and surrounding temperature will directly affectthe battery pack’s charge and discharge time:– charging time will be prolonged when the Tablet PC is turned on.To shorten the charging time, it is recommended that you place theTablet PC in Sleep or hibernation mode.– a low temperature will prolong the charging time as well as hastenthe discharge time. When using battery power in an extremely low temperature environment, youmay experience shortened operating time and incorrect battery level reading. Thisphenomenon comes from the chemical characteristics of batteries. The appropriateoperating temperature for the battery is -10 °C ~ 50 °C (14 °F ~ 122 °F). Do not leave the battery pack in storage for more than six months withoutrecharging it.TouchscreenTouchscreenTouchscreenTouchscreen GuidelinesGuidelinesGuidelinesGuidelines Use the finger or the included stylus on the display. Using a sharp or metallicobject other than your finger or stylus may cause scratches and damage thedisplay, thereby causing errors. Use a soft cloth to remove dirt on the display. The touchscreen surface hasa special protective coating that prevents dirt from sticking to it. Not using asoft cloth may cause damage to the special protective coating on the touchscreensurface. Turn off the Tablet PC power when cleaning the display. Cleaning the displaywith the power on may cause improper operation.