Acer S242HL User Manual - Page 7

vii 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. This product has been shipped enabled for power management: • Activate display's Sleep mode within 15 minutes of user inactivity. • Activate computer's Sleep mode within 30 minutes of user inactivity. • Wake the computer from Sleep mode by pushing the power button. 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