Lenovo NetVista Hardware Maintenance Manual (HMM) for Aptiva and NetVista 2255 - Page 8

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DANGER Some CD-ROM drives contain an embedded Class 3A or Class 3B-laser diode. Note the following. Laser radiation when open. Do not stare into the beam, do not view directly with optical instruments, and avoid direct exposure to the beam. ≥32 Kg ≥55Kg (70.5 (121.2 lbs) lbs) Caution: Use safe lifting practices when lifting your machine. Caution: Electrical current from power, telephone, and communication cables can be hazardous. To avoid personal injury or equipment damage, disconnect the attached power cords, telecommunications systems, networks, and modems before you open the covers, unless instructed otherwise in the installation and configuration procedures. 8

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8
DANGER
Some CD-ROM drives contain an embedded Class 3A or Class 3B-laser diode. Note the following.
Laser radiation when open. Do not stare into the beam, do not view directly with optical instruments, and avoid
direct exposure to the beam.
≥
32 Kg
≥
55Kg
(70.5
(121.2
lbs)
lbs)
Caution:
Use safe lifting practices when lifting your machine.
Caution:
Electrical current from power, telephone, and communication cables can be hazardous. To avoid personal injury or
equipment damage, disconnect the attached power cords, telecommunications systems, networks, and modems
before you open the covers, unless instructed otherwise in the installation and configuration procedures.