![background image](http://html1.mh-extra.com/html/barco/overview-d-50/overview-d-50_installation-manual_4197749062.webp)
7. Optical Adjustment
OverView D 50" – DOC-3303-5 – installation manual – Revision 10 – September 2006
September 2006
September 2006
September 2006 ________________________________
________________________________
________________________________
_________________________________________________________
_________________________
_________________________
_________________________7-6
7.5
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!
7.6
Focus adjustment
The sharpness of the outlines of the squares (test pattern) is adjusted by turning the focus adjustment ring.