Apple LC520 Spezifikationen PDF herunterladen (Seite 15)

Arranging your office

Here are some guidelines for adjusting the furniture in your office

to accommodate your physical size and shape.

n 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.

n 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.

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.

Screen positioned to avoid reflected glare

Thighs horizontal

Shoulders relaxed

Forearms and hands in a straight line

Forearms level or tilted up slightly

Lower back supported

Feet flat on the floor

Clearance under work surface

45–70 cm (18–28 in.)

Top of the screen at or slightly below eye level

(You may need to adjust the height of your

computer by placing something under it or

by raising your work surface.)

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Apple LC520 Spezifikationen Seite 15