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Here are some guidelines for adjusting the furniture in your work area to accommodate
your physical size and shape.
m An adjustable chair that provides firm, comfortable support is best. Adjust the height
of the chair so your thighs are horizontal and your feet flat on the floor. The back of
the chair should support your lower back (lumbar region). Follow the manufacturer's
instructions for adjusting the backrest to fit your body properly.
m When you use the computer keyboard, your shoulders should be relaxed. Your upper
arm and forearm should form an approximate right angle, with your wrist and hand in
roughly a straight line. Make sure the armrests of your chair don’t interfere with your
positioning. You may have to raise your chair so your forearms and hands are at the
proper angle to the keyboard. If this makes it impossible to rest your feet flat on the
floor, you can use a footrest with adjustable height and tilt to make up for any gap
between the floor and your feet. Or try lowering the desktop to eliminate the need for
a footrest. Another option is to use a desk with a keyboard tray that is lower than the
regular work surface.
m Position the mouse at the same height as your keyboard. Allow adequate space to use
the mouse comfortably to the immediate right or left.
m Position the monitor directly in front of you with the keyboard directly in line with the
monitor. 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).
m Position the monitor to minimize glare and reflections on the screen from overhead
lights and windows. Tilt the monitor to the best angle for viewing, helping to reduce
or eliminate glare from lighting sources you can’t move.
m Adjust the brightness of the screen to ensure the best image quality and viewing
comfort.
For more health and safety information about your computer equipment, open Mac Help
from the Help menu when you’re in the Finder. You can also see the following (English
only) World Wide Web site:
www.apple.com/about/ergonomics
General Maintenance
To maintain your Apple Cinema Display and ensure its long life:
m Do not block the display’s vents.
m Do not let liquid get on or into the display.
m Do not press on the surface of the display screen.
m Do not write on the screen or touch the screen with a sharp object.
m Tu rn off your monitor when the computer is idle for a prolonged time.
m If you will not be using your display and computer for a day or more, turn off the
computer and display or use Energy Saver.
Important Using a screen saver program to prevent damage to your screen will reduce
the life span of the monitor backlighting feature.
Cleaning the Screen and Case
Your Apple Cinema Display comes with a cleaning cloth for wiping it down. If you need
to clean the screen or case beyond wiping it down, follow these instructions:
1 Tu rn your computer and display off.
2 Disconnect the display’s power cord from the electrical outlet or power strip.
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