24Useful I nformationOperation environmentl Place the computer on a flat stable surface not subject to shock, vibration, and danger ofdropping. Do not place the computer upright or turn it over. If the computer is exposed to anextremely strong impact, it may become damaged.l Operating environmentTemperature: Operation : -10 °C to 50 °C (IEC60068-2-1, 2) *1Storage : -20 °C to 60 °CHumidity: Operation : 30% to 80% RH (No condensation)Storage : 30% to 90% RH (No condensation)Even within the above temperature/humidity ranges, operation for a long time in extreme en-vironments, smoking nearby, or operation in places where oil is used or where there is a lot ofdust will result in the product deterioration and will shorten the product life.*1 Do not expose the skin to this product when using the product in a hot or cold environment. (èpage 5)If the computer is wet in temperatures of 0 °C or below, freeze damage may occur. Make sureto dry off the computer in such temperatures.l Do not place the computer in the following areas, otherwise the computer may be damaged. Near electronic equipment. Image distortion or noise may occur. In extremely high or low temperature.l As the computer can become hot during operation, keep it away from items that are sensitiveto heat.Handling cautionsThis computer is designed to minimize shock to parts such as the LCD and the flash memorydrive, but no warranty is provided against any trouble caused by shock. Be extremely carefulwhen handling the computer.l When carrying the computer: Turn off the computer. Remove all external devices, cables, Smart Cards and other protruding objects. Do not drop or hit the computer against solid objects. Do not grip the display part.l When you board an airplane, take the computer with you and never put it in your checked lug-gage. When using the computer on airplane, follow the airline’s instructions.l When carrying a spare battery, put it in a plastic bag to protect its terminals.l Avoid any harmful substances such as oil from getting into the touch pad. The pointer may notwork correctly.l Be careful not to get injured by dropping or getting hit when carrying the computer.l Use only the included digitizer pen to touch the screen. Do not place any object on its surfaceand do not press down strongly with sharp-pointed or hard objects that may leave marks (e.g.,nails, pencils and ball point pens).l Do not use the screen when dust or dirt (e.g., oil) is on the screen. Otherwise foreign particles onthe screen/digitizer pen can scratch the screen surface or obstruct the digitizer pen operation.l Use the digitizer pen only for touching the screen. Using it for any other purpose may damagethe digitizer pen and result in scratches on the screen.l The digitizer uses electromagnetic induction and may not work properly near strong electricalfield or magnetic field such as: Near AM radio base station or relay station antennas Near CRT displays that generate strong electromagnetic field noiseMove the digitizer away from such locations so it will work properly.l The pointer cannot follow the digitizer pen movement if you move the digitizer pen too quickly.Handling and Maintenance