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Getting Started
Selecting a place to work
❖ Extreme heat, cold, or humidity. Operate the computer within
a temperature range of 41 to 95 degrees Fahrenheit (5 to 35
degrees Celsius) and 20 percent to 80 percent non-condensing
humidity
Keeping yourself comfortable
Strain and stress injuries are becoming more common as people
spend more time using their computers. With a little care and
proper use of the equipment, however, you can work comfortably
throughout the day.
WARNING: Using the computer keyboard incorrectly may
result in discomfort and possible injury. If your hands,
wrists, and/or arms bother you while typing, stop using the
computer and rest. If the discomfort persists, consult a
physician.
This section provides hints on avoiding strain and stress injuries.
For more information, consult books on ergonomics, repetitive-
strain injury, and repetitive-stress syndrome.
Placement of the computer
Proper placement of the computer and external devices is
important to avoid stress-related injuries:
❖ Place the computer on a flat surface at a comfortable height
and distance. You should be able to type without twisting your
torso or neck and look at the screen without slouching.
❖ If you use an external monitor, the top of the screen should be
no higher than eye level.
❖ If you use a paper holder, set it at the same height and distance
as the screen.