Acer ET400U User Manual download pdf (Page 7)

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LCD pixel statement

The LCD unit is produced with high-precision manufacturing techniques. Nevertheless,

some pixels may occasionally misre or appear as black or red dots. This has no effect on

the recorded image and does not constitute a malfunction.

Power management statement should be as below.

• Activate display’s Sleep mode within 5 minutes of user inactivity.

• Wake the monitor when it is in Active Off mode, move the mouse or press any keyboard

key.

Tips and information for comfortable use

Computer users may complain of eyestrain and headaches after prolonged use. Users are

also at risk of physical injury after long hours of working in front of a computer. Long work

periods, bad posture, poor work habits, stress, inadequate working conditions, personal

health and other factors greatly increase the risk of physical injury.

Incorrect computer usage may lead to carpal tunnel syndrome, tendonitis, tenosynovitis or

other musculoskeletal disorders. The following symptoms may appear in the hands, wrists,

arms, shoulders, neck or back:

• numbness, or a burning or tingling sensation

• aching, soreness or tenderness

• pain, swelling or throbbing

• stiffness or tightness

• coldness or weakness

If you have these symptoms, or any other recurring or persistent discomfort and/or pain

related to computer use, consult a physician immediately and inform your company’s health

and safety department.

The following section provides tips for more comfortable computer use.

Finding your comfort zone

Find your comfort zone by adjusting the viewing angle of the monitor, using a footrest, or

raising your sitting height to achieve maximum comfort. Observe the following tips:

• refrain from staying too long in one xed posture

• avoid slouching forward and/or leaning backward

• stand up and walk around regularly to remove the strain on your leg muscles

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Acer ET400U User Manual Page 7