Toshiba Tecra A3-S711 User Manual - Page 68

Getting Started Seating and posture The height of your chair in relation to the computer and keyboard as well as the support it gives your body are primary factors in reducing work strain. BELOW EYE LEVEL FOOT REST 90°ANGLES Posture and positioning of the computer ■ Place your chair so that the keyboard is at or slightly below the level of your elbow. You should be able to type comfortably with your shoulders relaxed. ■ Your knees should be slightly higher than your hips. If necessary, use a foot rest to raise the level of your knees to ease pressure on the back of your thighs. ■ Adjust the back of your chair so it supports the lower curve of your spine. ■ Sit 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 legibility of the display and reduce eye strain. ■ Position the computer so that sunlight or bright indoor lighting does not reflect off the screen. Use tinted windows, shades or other screen to eliminate sun glare. ■ Avoid placing the computer in front of bright light that could shine directly in your eyes. ■ If possible, use soft, indirect lighting in your computer work area. Use a lamp to illuminate your documents or desk, but be sure to position the lamp so that it does not reflect off the display or shine in your eyes. TECRA A3/S2 3-3