User’s Manual xiiiQosmio X500PanasonicDVD Super Multi UJ890AD/UJ890ED with Labelflash™■ The DVD Super Multi drive employs a laser system. To ensure properuse of this product, please read this instruction manual carefully andretain for future reference. Should the unit ever require maintenance,contact an authorized service location.■ Use of controls, adjustments or the performance of procedures otherthan those specified may result in hazardous radiation exposure.■ To prevent direct exposure to the laser beam, do not try to open theenclosure.