Dell OPTIPLEX E1 Reference And Installation Manual page 5

wrists relaxed and flat
arms at desk level
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Before you remove the computer cover, perform the following steps in the sequence
indicated.
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monitor screen at or below eye level
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Doing so reduces the potential for personal injury or shock.
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While you work, periodically touch an unpainted metal surface on the computer
chassis to dissipate any static electricity that might harm internal components.
monitor and
keyboard
positioned
directly in
front of user
feet flat on
the floor
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