the following precautions are recommended to extend the life of the unit, and for your safety.

   

    operating environment.

   

    ·power source

    1 use a voltage level that does not vary more than d10% from the voltage level marked on the nameplate (located on the back side of the scanner).

    2 do not use an extension cord.

    3 this scanner should be connected to a grounded outlet.

    4 do not use a line conditioner, transient suppressor or surge protector.

    cd-rom

    to prevent the cd-roms from accidental damages: