Remove Fingerprints, Smudges, Or Oil From The Projection Lens; Remove The Projection Lens; Install The Projection Lens; Calibrate The Lens Motors - Christie D4K2560 User Manual

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Remove fingerprints, smudges, or oil from the projection lens

Do not use a cleaning solvent that contains ammonia. Avoid lens contact with Xylene and Ether.

1. Brush most of the dust off with a camelhair brush or use a dust-free blower.

2. Wrap a lens tissue around a swab and soak it in lens cleaning solution. The tissue should be

damp but not dripping.

3. Gently wipe the surface using a figure eight motion.

4. Repeat until the blemish is removed. Clean the lens only if absolutely required.

5. Close the shutter.

6. Attach a large lens cap to the front of the lens to avoid damage.

7. Release the lens locking lever (up position).

8. Pull the lens straight out and attach a small lens cap to the rear of the

lens to avoid damage.

Warning! Failure to comply with the following could result in death or serious injury.

The lens tether must be installed for overhead installation.

For more details, see

1. Make sure the lens locking lever is in the up position.

2. If attached, remove the rear lens cap from the lens.

3. Slide the lens into the lens mount, aligning all connections.

Always install the lens with UP label in the top position. This assists in achieving consistent

boresight alignment each time the lens is replaced.

4. Secure the lens with the lens locking lever (down position).

5. Calibrate the lens motors, as described below.

If the lens motors are not calibrated properly, implications may include:

D4K2560 User Manual

020-101076-04 Rev. 1 (01-2015)

Maintenance shutdown

on page 57.

Maintenance

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