Focusing The Ultra Short Throw Lens - Christie Q Series Installation And Setup Manual

5. To remove the lens:
a) Support the lens.
b) Lower the lens lock lever to the lowest position.
You can move the lever while the upper plate touches the lower one.
c) Remove the lens from the projector.
To avoid any malfunctions, ensure the surface of the lens does not come in contact with
the projector.
6. To prevent any substances getting into the lens installation area, insert a dust protector.

Focusing the ultra short throw lens

The focus balance from the center of the screen to the surrounding area varies on the screen size. The
ultra short throw lens has a focus adjustment function to adjust this balance.
1. To focus the adjustment of the image at the center of the screen, use the remote control or
control panel.
2. To focus adjustment of the image at the surrounding area of the screen, rotate the focus
adjustment ring as shown below.
Optional Lenses Q Series Installation and Setup Manual
020-102550-01 Rev. 1 (04-2017)
Copyright 2017 Christie Digital Systems USA Inc. All rights reserved.
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Front cover (upper part)
Front cover (lower part)
Lens lock lever
Installing the zoom lenses for Q Series
9