33Useful InformationHandling and MaintenanceOperation environmentz Place the computer on a flat stable surface not subject to shock, vibration, anddanger of dropping. Do not place the computer upright or turn it over. If thecomputer is exposed to an extremely strong impact, it may become damaged.z Operating environmentTemperature: Operation : -10 °C to 50 °C {14 °F to 122 °F} (IEC60068-2-1, 2)*1Storage : -20 °C to 60 °C {-4 °F to 140 °F}Humidity: 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 timein extreme environments, smoking nearby, or operation in places where oil isused or where there is a lot of dust will result in the product deterioration andwill shorten the product life.*1 Do not expose the skin to this product when using the product in a hot or coldenvironment. (Î page 7)If the computer is wet in temperatures of 0 °C {32 °F} or below, freeze damagemay occur. Make sure to dry off the computer in such temperatures.z Do not place the computer in the following areas, otherwise the computer maybe damaged.y Near electronic equipment. Image distortion or noise may occur.y In extremely high or low temperature.z As the computer can become hot during operation, keep it away from itemsthat are sensitive to heat.Handling cautionsThis computer is designed to minimize shock to parts such as the LCD and theflash memory drive, but no warranty is provided against any trouble caused byshock. Be extremely careful when handling the computer.z When carrying the computer:y Turn off the computer.y Remove all external devices, cables, Smart Cards and other protruding ob-jects.y Do not drop or hit the computer against solid objects.y Do not grip the display part.z When you board an airplane, take the computer with you and never put it inyour checked luggage. When using the computer on airplane, follow the air-line’s instructions.z When carrying a spare battery, put it in a plastic bag to protect its terminals.