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Add an extractor or a booster if there is insufficient airflow. Do not mount the extractor on the projector as this
may introduce some vibration into the image. NOTE: To prevent the projector from overheating or becoming
unsafe, an alarm sounds if the duct is obstructed or a fan fails. It is recommended that you regularly verify that
the exhaust is functioning correctly.
equate airflow can result in dangerous overheating of the projector.
2.10 Remove the Shroud
To access the MLM and lens, you need to remove
one shroud. You must remove the second shroud
when you use a Motorized Auxiliary Lens Mount
or plug AC power cord into front face of the
projector.
1. Using finger pressure, push down on the
locations specified by the red arrows in the
diagram.
2. Carefully slide the shroud sideways and
forward away from the MLM and lens.
3. Place the shroud cover on a clean surface to
prevent scratches.
2.11 Install the Primary Lens
The lens seals the projection head, preventing contaminants from entering the main electronics area. Do not
operate the projector without a lens installed. Install a lens plug when you install or transport the projector.
WARNING
Lens Mount (MALM), move it to the OUT position before you calibrate the lens or perform
reset functions. Keep your fingers and other body parts away from the moving parts in the
projector. Motors and fans may start without warning. Tie back long hair, remove jewelry and
loose clothing before manually adjusting the projector.
Installing a Primary Lens:
NOTE: 1) Make sure the zoom ring is against the front of motor mount for lenses: 1.6-2.4:1, 1.8-3.0:1, 2.15-
3.6:1. 2) Make sure the zoom ring is against the back of motor mount for lenses: 1.45-2.05:1, 1.25-1.83:1. 3)
All other lenses: Leave a gap between the rotating zoom section of lens and motor mount.
1. Unpack the zoom motor kit.
D4K35 Setup Guide
020-100855-02 Rev. 1 (09-2014)
Never disable the vane switch. Attempting to operate the projector with inad-
Never operate a projector without a lens
o prevent a collision between the projection lens and the Motorized Auxiliary
T
Section 2: Installation and Setup
Figure 2-12 Shroud Removal
.
2-11
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