Samsung NP900X3B-A01US User Guide - Page 24
Eye Position, Hand Position
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Proper Posture During Computer Use Chapter 1 Getting Started 23 Eye Position Keep the monitor or LCD away from your eyes by at least 50cm. Hand Position Keep your arm at a right angle as shown by the figure. • Adjust the height of the monitor and the LCD screen so that its top height is equal to or lower than your eyes. • Avoid setting the monitor and LCD excessively bright. • Keep the monitor and LCD screen clean. • If you wear glasses, clean them before using the computer. • When entering contents printed on a paper into the computer, use a static paper holder so that the height of the paper is almost equal to that of the monitor. • Keep the line from your elbow to your hand straight. • Do not place your palm over the keyboard while typing. • Do not hold the mouse with excessive force. • Do not press the keyboard, touchpad or mouse with excessive force. • It is recommended connecting an external keyboard and mouse when using the computer for long periods of time.