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v Avoid using a telephone (other than a cordless type) during an electrical storm.
There may be a remote risk of electric shock from lightning.
v Do not use the telephone to report a gas leak in the vicinity of the leak.
Laser compliance statement
Some personal computer models are equipped from the factory with a CD or DVD
drive. CD and DVD drives are also sold separately as options. CD and DVD drives
are laser products. These drives are certified in the U.S. to conform to the
requirements of the Department of Health and Human Services 21 Code of Federal
Regulations (DHHS 21 CFR) Subchapter J for Class 1 laser products. Elsewhere,
these drives are certified to conform to the requirements of the International
Electrotechnical Commission (IEC) 60825-1 and CENELEC EN 60 825-1 for Class 1
laser products.
When a CD or DVD drive is installed, note the following handling instructions.
Caution
Use of controls or 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.
Danger
Laser radiation when open. Do not stare into the beam, do not view
directly with optical instruments, and avoid direct exposure to the beam.
Power supply statement
Never remove the cover on a power supply or any part that has the following
label attached.
Hazardous voltage, current, and energy levels are present inside any component
that has this label attached. There are no serviceable parts inside these components.
If you suspect a problem with one of these parts, contact a service technician.
Important safety information xiii