xii User’s Manual
Optical disc drive safety instructions
Panasonic
DVD-ROM&CD-R/RW UJDA770TB-A
Be sure to check the international precautions at the end of this section.
■ The DVD-ROM&CD-R/RW drive employs a laser system. To ensure 
proper use of this product, please read this instruction manual carefully 
and retain for future reference. Should the unit ever require 
maintenance, contact an authorized service location.
■ Use of controls, adjustments or the performance of procedures other 
than those specified may result in hazardous radiation exposure.
■ To prevent direct exposure to the laser beam, do not try to open the 
enclosure.