Installation manual

7. Optical Adjustment
OverView D 50" – DOC-3303-5 – installation manual – Revision 11 – November 2006
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7-5
7.5 Adjustment devices
Besides the adjustment rings on the projection lens to adjust focus and size, there are adjustment screws to
correct distortions.
The following picture gives an overview about the position and the function of the adjustment screws.
Figure 7-6
top view of lens
Figure 7-7
side view (lens and adjustment devices)
A Lens H1, H2 Horizontal tapezoid
B Lens securing screws V1, V2 Vertical trapezoid
C Horizontal lens shift E Mounting angle
D Vertical lens shift F Rotation
Table 9
F
FF
F