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7. Optical Adjustment
OverView D 50" – DOC-3303-5 – installation manual – Revision 10 – September 2006
September 2006
September 2006
September 2006 ________________________________
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7.12
Vertical picture shift
The vertical picture shift may look like this or similar:
Figure 7-20
Rear view vertical picture shift
Use the adjustment screws for vertical lens shift Figure 7-6 [D]. Tighten the top and loosen the lower screw to
move the picture downwards
Figure 7-21
Use the adjustment screws for vertical lens shift Figure 7-6 [D]. Loosen the top and tighten the lower screw to
move the picture upwards
7.13
Locking the Projection Unit
After the adjustment procedures the projection unit must be locked.
•
Turn the lock ring counterclockwise until it does not move any more. ( don’t tighten this ring too strong)
•
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.
Содержание OVERVIEW D 50"
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