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A variety of lenses are available to accommodate different throw distances and
specific types of installations. See page 5-1 for details. To change or install a lens,
follow the steps below.
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Before removing or installing a lens, turn off the projector and allow to cool for five
minutes before unplugging. Make sure that the lens cap is on.
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Make sure the projector is unplugged. Grasp the lens assembly near the point where it
enters the projector and slowly unscrew (turn counter-clockwise) until the assembly
is free from the projector. Use both hands and take care not to touch the lens surface,
which is easily damaged. Set aside.
NOTE: To remove a motorized zoom lens, loosen the 3 thumbscrews securing the
zoom adapter collar around the perimeter of the lens (see Figure 4.13). Then
unscrew the lens and pull out the adapter collar.
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the projector. Install the new lens in the projector by carefully screwing the assembly
into the projector just until snug. If the lens assembly seems difficult to turn, it may
be cross-threaded. Carefully remove and try again. Use both hands and do not force
or over-tighten.
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empty lens area of the projector, aligning the collar pin to the slot in the
projector (Figure 4.11). Fully loosen all 3 collar thumbscrews. NOTE: The
adapter collar enables remote (motorized) zoom in the projector. For manual
zoom adjustment, do not install this collar.
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Screw the lens into the projector as described above for non-zoom lenses. It
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should not come into contract with the adapter collar at this point.
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Make sure the new lens is protected by the lens cap. Turn off
Make sure the zoom lens is protected by a lens cap. Then:
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(available separately) into the
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