Apple 8100/80AV Benutzerhandbuch
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 you may lower the desktop to
eliminate the need for a footrest. Another option is to use a desk with a
keyboard tray that’s lower than the regular work surface.
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 you may lower the desktop to
eliminate the need for a footrest. Another option is to use a desk with a
keyboard tray that’s 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.
m Arrange the monitor 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).
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. You may want to use a tiltable monitor
stand. The stand lets you set the monitor at the best angle for viewing,
helping to reduce or eliminate glare from lighting sources you can’t move.
stand. The stand lets you set the monitor at the best angle for viewing,
helping to reduce or eliminate glare from lighting sources you can’t move.
Avoiding fatigue
m Change your seated position, stand up, or stretch whenever you start to feel
tired. Frequent short breaks are helpful in reducing fatigue.
m Use a light touch when typing or using a mouse and keep your hands and
fingers relaxed.
m Some computer users may develop discomfort in their hands, wrists, or
arms after intensive work without breaks. If you begin to develop chronic
pain or discomfort in your hands, wrists, or arms, consult a qualified
health specialist.
pain or discomfort in your hands, wrists, or arms, consult a qualified
health specialist.
m Allow adequate workspace so that you can use your keyboard and mouse
comfortably. Place papers or other items so you can view them easily while
using your computer. A document stand may make reading papers more
comfortable.
using your computer. A document stand may make reading papers more
comfortable.
m Eye muscles must work harder to focus on nearby objects. Occasionally
focus your eyes on a distant object, and blink often while you work.
m Clean your screen regularly. Keeping the screen clean helps reduce
unwanted reflections.
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Chapter 2