Acer Aspire 5110/5100/3100 Series Notebook PDF User’s Guide
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
• take short rests to relax your neck and shoulders
• avoid tensing your muscles or shrugging your shoulders
• install the external display, keyboard and mouse properly and within comfortable reach
• if you view your monitor more than your documents, place the display at the center of your desk to minimize neck strain
Acer ePower Management
Acer ePower Management features a straightforward user interface. To launch it, select Acer ePower Management from the Empowering Technology interface. AC mode (Adapter mode)
The default setting is “Maximum Performance.” You can adjust CPU speed, LCD brightness and other settings, or click on buttons to turn the following functions on/off: Wireless LAN, Bluetooth, CardBus, FireWire(1394), Wired LAN and Optical Device if supported.
DC mode (Battery mode)
There are four pre-defined profiles — Entertainment, Presentation, Word Processing, and Battery Life. You can also define up to three of your own. To create a new power profile:
1 Change power settings as desired.
2 Click “Save as …” to save to a new power profile.
3 Name the newly created profile.
4 Select whether this profile is for Adapter or Battery mode, then click “OK”.
5 The new profile will appear in the profile list
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