Apple Power Macintosh G3 Minitower Información técnica descargar pdf (Pagina 71)

Health, Safety, and Maintenance Tips 71

Arranging your office

Here are some guidelines for adjusting the furniture in your office 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.

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.

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).

m Position the computer to minimize glare and reflections on the screen from overhead

lights and windows.

Thighs horizontal

Shoulders relaxed

Screen positioned to avoid

reflected glare

Forearms and hands

in a straight line

Forearms level

or tilted up slightly

Lower back supported

Feet flat on the floor

Top of the screen at or slightly

below eye level (You may need

to adjust the height of your

monitor by placing something

under it or by raising your

work surface.)

Clearance under work surface

45–70 cm (18–28 in.)

1 2 ... 66 67 68 69 70 71 72 73 74 75 76 ... 87 88

Sin comentarios

Apple Power Macintosh G3 Minitower Información técnica Pagina 71