Runco XtremeProjection X-450d Installation & Operation Manual page 75

Adjusting the Lens Height and Angle:
1. Project a white field on the screen.
2. Loosen the four Height/Pitch Adjustment Screws just enough to allow vertical
movement of the lens assembly.
3. Slowly move the anamorphic lens into place so that there are no shadows on the top
or bottom of the screen:
Too Low
Too High
4. Then, adjust the anamorphic lens angle so that the projected image is rectangular:
Incorrect Lens Angle
The anamorphic lens will almost always be angled with respect to the projector; this is
normal.
5. When the height and angle are properly set, tighten the Height/Pitch Adjustment
Screws to secure the lens in place.
There may be some pincushion distortion even after the lens is
Note
properly adjusted, especially at shorter throw distances. If this is the
case, Runco recommends that you slightly over-scan the image into
the screen frame area to mask the distortion.
Runco X-400d/X-450d Installation/Operation Manual
Correct position
Correct Lens Angle
59
Installation