Dell OptiPlex GXi Reference And Installation Manual page 6

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Keep your forearms horizontal with your wrists in a
neutral, comfortable position while using the key-
board or mouse.
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Always leave space to rest your hands while using
the keyboard or mouse.
•
Let your upper arms hang naturally at your sides.
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Sit erect, with your feet resting on the floor and your
thighs level.
wrists relaxed and flat
arms at desk level
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monitor screen at or below eye level
When sitting, make sure the weight of your legs is on
your feet and not on the front of your chair seat.
Adjust your chair's height or use a footrest, if neces-
sary, to maintain proper posture.
Vary your work activities. Try to organize your work
so that you do not have to type for an extended
period of time. When you stop typing, try to do
things that use both hands.
monitor and keyboard
positioned directly
in front of user
feet flat on the floor