3Read Me FirstEnvironmentPlace the computer on a flat stable surface.In use: Temperature: 5 °C to 35 °C {41 °F to 95 °F}Humidity: 30% to 80% RH (No condensation)Not in use: Temperature: -20 °C to 60 °C {-4 °F to 140 °F}Humidity: 30% to 90% RH (No condensation)Usage EnvironmentSuch areas may result in damage to the computer.Areas with electronic equipmentThese areas may interfere with your display or cause your computer toproduce strange sounds.Areas with extremely high/low temperaturesPlaces not to use your computerDo not leave things near the computer that are sensitive to heat. During opera-tion, the computer may become warm.HandlingThis computer has been designed so as to minimize shock to the LCD and hard disk drive, theleakage of liquid (e.g., water) from the keyboard, etc., but no warranty is provided against suchtrouble. Therefore, as a precision instrument, please be extremely careful in the handling.Do not drop or hit your computer against solid objects.Do not stand the computer on its side or allow it to tip over. When the computer receives ex-tremely strong shock after falling, the hard disk or floppy disk drive, etc., may become inoperable.Do not carry your computer when it is ON.Remove all cables before transporting your computer.We recommend preparing a fully charged battery (and optional charger, if possible).When transporting spare batteries inside a package, briefcase, etc., it is recommendedthat the batteries be stored in a plastic bag.Do not place the computer upright. When the computer receives extremely strong shockafter falling, the hard disk or floppy disk drive, etc., may become inoperable.Do not carry the computer while the display is open, or carry it by gripping the display.Do not put anything (e.g., a piece of paper) between the display and keyboard.Always carry your computer with you. Never check it in with luggage. For use of the computerinside an aircraft, we recommend asking the airlines regarding their policy on this issue.It is a good idea to make backup copies on disks and carry them with you.Do not leave a disk in the drive while transporting your computer.MaintenanceAreas excluding the displayWipe these areas with a soft cloth, after applying water or detergent diluted with waterto the soft cloth and firmly wringing out excess water.DisplayAvoid using water when cleaning the panel. Ingredients included in water may leaveresidue and reduce readability of the screen.Touch Padpage 8CAUTIONDo not use benzene or thinner, or rubbing alcohol. Doing so may adversely affect the surface, e.g., discoloration. In addition,do not use commercially-available cleaners and cosmetics, as they may contain components harmful to the surface.Do not directly add or spray water or detergent. If liquid enters the inside of the computer, it may cause it to workimproperly or be damaged.Avoid rubbing off dust/dirt with cloth since it may leave scratch on the screen.Sweep dust/dirt with fine brush, then wipe it with “dry” soft cloth used for cleaning glasses.Apply camera lens cleaner on a soft gauze and clean it with gentle force. Then, wipewith dry soft cloth used for cleaning glasses.