Installation manual

7. Optical Adjustment
OverView D 50" – DOC-3303-5 – installation manual – Revision 11 – November 2006
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7-6
7.6 First steps
The entire projection unit is locked via the lock ring:
Figure 7-8
Lock ring
• Unlock the system (loosen the lock ring)
• Loosen the screen size adaptation lock screws and the zoom lock screws on the projection lens.
• Loosen slightly the securing screws of the projection lens [B].
Without unlocking the system, no adjustment is possible!
7.7 Focus adjustment
The sharpness of the outlines of the squares (test pattern) is adjusted by turning the focus adjustment ring.