INSTALLATION GUIDELINES
MD (1.7-3:1) lenses
Date : 21/10/96
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R9829335
I. Mounting
- remove the currently mounted lens by turning-counter clockwise. Note : be very carefull not to drop the lens.
- take the MD(1.7-3:1) zoom lens out of its packing material.
- turn the lens completely into the lens holder (clockwise). The lens will automatically be secured in the lens holder.
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II. Operation
- tables, formulas and diagrams to calculate the projection distance range or screen width range are given on
next pages (for 3000 and 3100 series).
- focus the lens by rotating the front lens barrel until the image is clearly focus. Secure the focus position of the
lens with both securing screws.
- adjust the zoom with the zoom adjustment ring until the desired screen width is obtained. Secure the zoom
position with the securing screw.
- when the projector is not in use, it is recommended to put the lens cap on the lens.
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Front lens barrel
Zoom ring
Zoom securing screw
Front securing screw
Art. No. : R5975377