Lenovo 20CD0033US manual Electrical current safety information, Liquid crystal display LCD notice

Electrical current safety information

DANGER

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 turn on any equipment when there is evidence of fire, water, or structural damage.

•Disconnect all attached cables and disable batteries before opening any accessible device covers unless instructed otherwise in the installation and configuration procedures.

•Do not use your computer until all internal parts enclosures are fastened into place. Never use the computer when internal parts and circuits are exposed.

DANGER

Connect and disconnect cables as described in the following procedures when installing, moving, or opening covers on this product or attached devices.

To connect:

1.Turn everything OFF.

2.First, attach all cables to devices.

3.Attach signal cables to connectors.

4.Attach power cords to outlets.

5.Turn devices ON.

To disconnect:

1.Turn everything OFF.

2.First, remove power cords from outlets.

3.Remove signal cables from connectors.

4.Remove all cables from devices.

The power cord must be disconnected from the wall outlet or receptacle before installing all other electrical cables connected to the computer.

The power cord may be reconnected to the wall outlet or receptacle only after all other electrical cables have been connected to the computer.

Liquid crystal display (LCD) notice

CAUTION:

The liquid crystal display (LCD) is made of glass, and rough handling or dropping the computer can cause the LCD to break. If the LCD breaks and the internal fluid gets into your eyes or on your hands, immediately wash the affected areas with water for at least 15 minutes; if any symptoms are present after washing, get medical care.

Using headphones or earphones

CAUTION:

Excessive sound pressure from earphones and headphones can cause hearing loss. Adjustment of the equalizer to maximum increases the earphone and headphone output voltage and the sound pressure level. Therefore, to protect your hearing, adjust the equalizer to an appropriate level.

xUser Guide