Sony VPL-EW276 Quick Reference Manual page 34

On LCD Projector
The LCD projector is manufactured using
high-precision technology. You may,
however, see tiny black points and/or bright
points (red, blue, or green) that continuously
appear on the LCD projector. This is a
normal result of the manufacturing process
and does not indicate a malfunction.
Also, when you use multiple LCD projectors
to project onto a screen, even if they are of
the same model, the color reproduction
among projectors may vary, since color
balance may be set differently from one
projector to the next.
On Condensation
If the room temperature where the projector
is installed changes rapidly, or if the
projector is moved suddenly from a cold to a
warm place, condensation in the projector
may occur. As the condensation may cause
malfunction, be careful in adjusting
temperature settings of the air conditioner. If
condensation occurs, leave the projector
turned on for about two hours before use.
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GB
Precautions