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Appendix B Safety, Maintenance, and Ergonomics 89
 Arrange the display so the top of the screen is slightly below your eye level when
you’re sitting at the keyboard. The best distance from your eyes to the screen is up to
you, although most people seem to prefer 18 to 28 inches (45 to 70 cm).
 Position the display to minimize glare and reflections on the screen from overhead
lights and nearby windows. If possible, use a tiltable display stand. The stand lets you
set the display at the best angle for viewing, helping to reduce or eliminate glare
from lighting sources you can’t move.
For more information about health, safety, and maintenance, go to the Apple
ergonomic website at www.apple.com/about/ergonomics.
Thighs tilted slightly
Shoulders relaxed
Screen positioned to avoid
reflected glare
Forearms and hands
in a straight line
Forearms level
or tilted slightly
Lower back supported
Feet flat on the floor
or on a footrest
Top of the screen at or slightly below
eye level (You may need to adjust the
height of your display by raising or
lowering your work surface.)
Clearance under work surface
45–70 cm (18–28 in.)
LL3218Q87.book Page 89 Wednesday, March 16, 2005 6:28 PM