Sony VPL-HW20A Operating Instructions Manual page 16

2
Position the projector so that the lens is parallel to the screen.
Top view
Screen
3
Project an image on the screen and adjust the picture so that it fits the
screen. (1 page 17)
Note
When using a screen with an uneven surface, stripes pattern may rarely appear on the screen
depending on the distance between the screen and the projector or the zooming magnifications. This
is not a malfunction of the projector.
16