En-3 product servicing, Lcd pixel statement, Tips and information for comfortable use – Acer GN246HL User Manual

Page 4: Finding your comfort zone

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EN-3

Product servicing

Do not attempt to service this product yourself, as opening or removing covers may
expose you to dangerous voltage points or other risks. Refer all servicing to qualified
service personnel.
Unplug this product from the wall outlet and refer servicing to qualified service person-
nel when:

the power cord or plug is damaged, cut or frayed

liquid was spilled into the product

the product was exposed to rain or water

the product has been dropped or the case has been damaged

the product exhibits a distinct change in performance, indicating a need for service

the product does not operate normally after following the operating instructions

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Note: Adjust only those controls that are covered by the operating instructions,
since improper adjustment of other controls may result in damage and will
often require extensive work by a qualified technician to restore the product to
normal condition.

LCD Pixel Statement

The LCD unit is produced with high-precision manufacturing techniques. Nevertheless,
some pixels may occasionally misfire or appear as black or red dots. This has no effect on
the recorded image and does not constitute a malfunction.

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 fixed 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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