Toshiba VIRTUALTECH C6609-1201M1 用户手册

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页码 209
38
Getting Started
Selecting a place to work
5.375 x 8.375 ver 2.3.2
comfortably with your shoulders relaxed and your 
forearms parallel to the floor.
If you are using a conventional chair:
Your knees should be slightly higher than your hips. If 
necessary, use a footrest to raise the level of your knees 
and ease the pressure on the back of your thighs.
Adjust the back of your chair so that it supports the lower 
curve of your spine. If necessary, use a cushion to 
provide extra back support. Lower-back-support 
cushions are available at many office supply stores.
Sit with your back straight so that your knees, hips, and 
elbows form approximately 90-degree angles when you 
work. Avoid slumping forward or leaning back too far.
Lighting 
Proper lighting can improve the visibility 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 could shine directly in 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.