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LaCie 500 Series LCD Monitor Health and Ergonomic Precautions
User Manual page 5
Health and Ergonomic
Precautions
Correct placement and adjustment of the
monitor can reduce eye, shoulder, and
neck fatigue. Check the following when
you position the monitor:
❖ For optimum performance, allow 20
minutes for warm-up.
❖ Adjust the monitor height so that the
top of the screen is at, or slightly below,
eye level. Your eyes should look slightly
downward when viewing the middle of
the screen.
❖ Position your monitor no closer than
40 cm and no further away than 70 cm
from your eyes. The optimal distance is
50 cm.
❖ Rest your eyes periodically by focus-
ing on an object at least 20 feet away.
Blink often.
❖ Position the monitor at a 90° angle to
windows and other light sources to min-
imize glare and reflections. Adjust the
monitor tilt so that ceiling lights do not
reflect on your screen.
❖ If reflected light makes it hard for you to
see your screen, use an anti-glare filter.
❖ Clean the LCD monitor surface with
a lint-free, non-abrasive cloth. Avoid
using any cleaning solution or glass
cleaner!
❖ Adjust the monitor’s brightness and
contrast controls to enhance readability.
❖ Use a document holder placed close to
the screen.
❖ Position whatever you are looking at
most of the time (the screen or refer-
ence material) directly in front of you to
minimize turning your head while you
are typing.
❖ Avoid displaying fixed patterns on the
monitor for long periods of time to
avoid image persistence (after-image
effects or “ghosting”).
To maximize ergonomic benefits, LaCie recommends the following:
❖ Adjust the brightness until the background raster disappears.
❖ Do not position the contrast control to its maximum setting.
❖ Use the preset size and position controls with standard signals.
❖ Use the preset color setting.
❖ Use non-interlaced signals with a vertical refresh rate between
60-75 hz.
❖ Do not use primary color blue on a dark background, as it is dif-
ficult to see and may produce strain the eyes toward insufficient
contrast.