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5. Geometric adjustment
Barco – OverView cDG67-DL – R5976624– installation manual – Revision 03 – August-2005
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5-13
5.13
Vertical picture shift
The vertical picture shift may look like this or similar:
Figure 5-19
Rear view vertical picture shift
Use the adjustment screws for vertical lens shift Figure 5-5 [D]. Tighten the top and loosen the lower screw to
move the picture downwards
Figure 5-20
Use the adjustment screws for vertical lens shift Figure 5-5 [D]. Loosen the top and tighten the lower screw to
move the picture upwards
5.14
Locking the Projection Unit
After the adjustment procedures the projection unit must be locked.
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Turn the lock ring counterclockwise until it does not move any more. ( don’t tighten this ring too strong)
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Lock the zoom and the focus adjustment by means of the fixation screws.
•
Tighten carefully the four securing screws of the lens.
•
Check if the position of the picture didn’t change while locking the projection unit.