Acer DC221HQ User Manual - Page 33

English 33 offering products and services worldwide that help customers save money, conserve energy and improve the quality of our environment. The more energy we can save through higher energy efficiency, the more we reduce greenhouse gases and the risks of climate change. More information refers to www.energystar.gov or www.energystar.gov/powermanagement. Acer ENERGY STAR qualified products: (only for certain models) • Produce less heat and reduce cooling loads, and warmer climates. • Automatically go into "display sleep" and "computer sleep" mode after 10 and 30 minutes of inactivity respectively. • Wake the computer from sleep mode by pushing keyboard or moving mouse. • Computers will save more than 80% energy at "sleep" mode. ENERGY STAR is only available for certain models and have the ENERGY STAR certification mark on the palm rest. ENERGY STAR and the ENERGY STAR mark are registered U.S. marks 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.