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Chapter1. Safety CautionsSymbols displayed for each itemWarningRefers to information users need to know in order to prevent serious injury or death.CautionProvides information users need to know in order to prevent minor injury or productdamage. Before installationVerify the supplied voltage (AC100V~AC240V) before connecting the power supply.Make sure the power supply is off before installation.Do not install in a very humid environment. Doing so may cause an electric shock or fire.Make sure ground line is connected to reduce electric shock risk. During operationDo not open the product cover except qualified personnel or system installer. Opening theproduct cover may cause an electric shock.Do not plug multiple appliances into one power outlet. Doing so may cause fire.Do not place dishes containing water or heavy objects on the product. Doing so may cause amalfunction.Do not use in areas containing inflammable materials like propane gas and gasoline or in areasthat generate dust. Doing so may cause an explosion or fire.Do not touch the power line with a wet hand. Doing so may cause an electric shock.Do not insert a hand into the opening of the DVD. Doing so may cause an injury.Make sure conduction materials do not enter the cooling ventilator opening.5