Lenovo 147500112 Laptop User Manual


 
10
Chapter 1. Important safety information
When a CD or DVD drive is installed, note the following handling
instructions.
Use of controls, adjustments, or performance of procedures other than those
specified herein might result in hazardous radiation exposure.
Do not remove the drive covers. Removing the covers of the CD or DVD
drive could result in exposure to hazardous laser radiation. There are
no
serviceable parts inside the CD or DVD drive.
Some CD and DVD drives contain an embedded Class 3A or Class 3B
laser diode. Note the following statement.
Do not stare into the beam, do not view directly with optical instruments,
and avoid direct exposure to the beam.
Electrical current safety information
Electric current from power, telephone, and communication cables is
hazardous. To avoid a shock hazard:
• Do not use your computer during a lightning storm.
• Do not connect or disconnect any cables or perform installation,
maintenance, or reconfiguration of this product during
an electrical storm.
• Connect all power cords to a properly wired and grounded electrical
outlet.
• Connect to properly wired outlets any equipment that will be attached to
this product.
• Whenever possible, use one hand only to connect or disconnect signal
cables.
• Never tur
n on any equipment when there is evidence of fire, water, or
structural damage.
• Disconnect the attached power cords, battery pack, and all the cables
before you open the device covers, unless instructed otherwise in the
installation and configuration procedures.
• Do not
use your computer until you have closed the cover. Never use the
computer when the cover is open.
• Connect and disconnect cables as described in the following procedures
when installing, moving, or opening covers on this product or attached
devices.
Safety and General Information Guide V1.0_en.book Page 10 Friday, March 4, 2011 4:55 PM