Toshiba Portege 4005 User Guide - Page 39
Lighting, Arms and wrists, Work habits
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Getting Started Selecting a place to work 39 Sit with your back straight so that your knees, hips, and elbows form approximately 90-degree angles when you work. Do not slump forward or lean back too far. Lighting Proper lighting can improve the readability of the display and reduce eyestrain. Position the display panel or external monitor so that sunlight or bright indoor lighting does not reflect off the screen. Use tinted windows or shades to reduce glare. Avoid placing your computer in front of a bright light that shines directly into your eyes. If possible, use soft, indirect lighting in your computer work area. Arms and wrists Avoid bending, arching, or twisting your wrists. Keep them in a relaxed, neutral position while typing. Exercise your hands, wrists, and arms to improve circulation. Work habits The key to avoiding discomfort or injury from strain is to vary your activities. If possible, schedule a variety of tasks into your working day. Finding ways to break up the routine can reduce stress and improve your efficiency. Take frequent, short breaks to change position, stretch your muscles, and relieve your eyes. A break of two or three minutes every half hour is more effective than a long break after several hours. Avoid performing repetitive activities for long periods. Intersperse such activities with other tasks.