Acer 3165NG 用户手册

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.

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.