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Tips for your health and safety
Using a computer extensively may affect different parts of your body. Here are tips you should follow while working on
a computer to minimize strain on your body.
Keep proper posture
The basic body position for using a computer is sitting straight with your
hands on the keyboard parallel with the floor, and your eyes directed
slightly downward toward the monitor. With the proper posture described
above, no unnecessary strain is applied on any part of your body, in
other words when your muscles are most relaxed.
Working on the computer with bad posture such as hunching over or
being too close to the monitor could cause fatigue or deteriorated
eyesight.
Adjust the angle of your display
Most display units are designed for adjustment of the horizontal and
vertical angles. This adjustment is important to prevent the screen from
reflecting bright lights and to make the display contents easy to see.
Working without adjusting the display to a comfortable angle makes it
difficult for you to maintain a proper posture and you will get tired easily.
Adjust the viewing angle before use.
Adjust the brightness and contrast of the display
Display screens have functions to control brightness and contrast. The
most suitable brightness/contrast depends on age, individuals, and
environment, so adjust it to suit your preferences. A too bright or too dark
display is bad for your eyes.
Adjust the angle of keyboard
Some keyboards are ergonomically designed, which allow the angle to
be adjusted. Adjusting the angle of the keyboard is effective to reduce
tension on your shoulders, arms, and fingers.
Clean your equipment
Keeping your equipment clean is important not only for the appearance but also for functional and safety reasons. A
dusty monitor makes it difficult to see the display contents, so clean it regularly.
Take rest breaks
When you feel tired, take a break. Light exercise is also recommended.
Express5800/R310e-E4, R320e-E4, R320e-M4, R310f-E4, R320f-E4, R320f-M4 User's Guide
Warnings and Additions to This Product and Document
15
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