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Alphasmart AS 3000 User Manual: Keyboarding Ergonomics

Alphasmart as 3000: supplementary guide.
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Keyboarding ergonomics

Keyboarding ergonomics
Teaching students about proper posture and physical setup can help
them prevent health problems caused by typing.
Keep the following tips for wrists and hands in mind:
Keep wrists aligned, straight, and level. (See the illustrations
below.)
Position chairs so students do not stretch to reach keys.
Wrists should not rest on anything.
Take periodic rest breaks.
Correct hand and wrist position
Follow these guidelines to properly adjust equipment and posture:
The keyboard should be just below elbow height so the elbows
are bent at a ninety degree angle.
The chair should adjust so it can fit the various sizes and shapes
of your students.
Forearms and thighs should be parallel to the floor when the
student is seated at the computer.
Feet should be flat or placed on a tilted footrest.
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Incorrect hand and wrist position
KeyWords User's Guide

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