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General Guide
17
6 Lens : Projects the image from the projector.
7 Sensors : Measures the distance between the projector and screen.
Warning
Never look into the lens while the projector is turned on.
Caution
z Finger smudges or dirt on the sensors can cause keystone
correction problems. Should the sensors ever become soiled, wipe
them clean using a commercially available lens cloth or optical lens
paper, like those for eyeglasses or camera lenses.