IBM 704 User Manual download pdf (Page 42)

Arranging Your Workspace

usually 51 to 61 cm (20 to 24 in.), and position it so you can view it

without having to twist your body. Also position other equipment

you use regularly, such as the telephone or a mouse, within easy

reach.

Glare and Lighting

Position the monitor to minimize glare and reflections from

overhead lights, windows, and other light sources. Even reflected

light from shiny surfaces can cause annoying reflections on your

monitor screen. Place the monitor at right angles to windows and

other light sources, when possible. Reduce overhead lighting, if

necessary, by turning off lights or using lower wattage bulbs. If you

install the monitor near a window, use curtains or blinds to block

the sunlight. You might have to adjust the Brightness and Contrast

controls on the monitor as the room lighting changes throughout the

day.

Where it is impossible to avoid reflections or to adjust the lighting,

an antiglare filter placed over the screen might be helpful.

However, these filters might affect the clarity of the image on the

screen; try them only after you have exhausted other methods of

reducing glare.

Dust buildup compounds problems associated with glare.

Remember to clean your monitor screen periodically using a soft

cloth moistened with a nonabrasive liquid glass cleaner.

Air Circulation

Your server and monitor produce heat. Your server has one or

more fans that pull in fresh air and force out hot air. The monitor

lets hot air escape through vents. Blocking the air vents can cause

overheating, which might result in a malfunction or damage. Place

the server and monitor so that nothing blocks the air vents; usually,

127 mm (5 in.) of air space is sufficient. Also, make sure the vented

air is not blowing on someone else.

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IBM 704 User Manual Page 42