Fixation Of The Lens Holder Front Plate - Barco ZEUS Installation And Safety Manual

11. Scheimpflug

11.3 Fixation of the Lens Holder front plate

When fixing the Lens Holder front plate
After performing the procedure for Scheimpflug adjustment or Back Focal Length adjustment the Lens Holder front plate must be
secured in such a way that it doesn't disturb the result of the adjustment.
Necessary tools
• 10mm nut driver.
• 3mm Allen wrench.
• 13mm nut driver.
How to fix the Lens Holder front plate?
Start the fixation as follows (steps must be followed strictly) :
1. Project the framing test pattern for FLAT & SCOPE.
2. Zoom the projected image until the edges of the projected test pattern matches with the edges of the projection screen.
Image 11-10
3. Turn in the three set screws indicated with reference 11 image 11-11 without disturbing the projected image. Tighten lightly . Do
not turn in the set screw at the lower left of the Lens Holder!
Note: Ensure that the edges of the projected test pattern remain in place on the screen. Any movement of the image will affect
the Scheimpflug adjustment.
4. Fasten the lock nut (reference 21 image 11-11) of the three set screws. Use a 10mm nut driver. Ensure the image doesn't move.
Image 11-11
5. Gently turn (by hand) the Scheimpflug adjustment nut at the lower left of the Lens Holder (reference 4 image 11-12) against the
Lens Holder front plate without disturbing the projected image.
6. Turn in the set screw at the lower left of the Lens Holder (reference 14 image 11-12) without disturbing the projected image. Use
a 3mm Allen wrench.
Note: Ensure that the edges of the projected test pattern remain in place on the screen. Any movement of the image will affect
the Scheimpflug adjustment.
Tip: Fasten the set screw and the Scheimpflug nut alternately, without disturbing the projected image, until the Scheimpflug
nut and set screw are completely tightened.
86
FLAT
SCOPE
11
21 11
R5905961 ZEUS 09/03/2015