Epson Z8250NL - Manual (Page 167)

Adjusting the Projected Image
167
• Correcting vertical keystone
Vertical keystone can be corrected to a vertical projector tilt of up to 30°
against the screen.
If the [w/ ] and [v/ ] buttons are pressed simultaneously for at
least 1 second, the results of any vertical keystone correction will be
reset.
• Correcting horizontal keystone
Horizontal keystone can be corrected to a horizontal projector tilt of up
to 20° against the screen.
If the [</ ] and [>/ ] buttons are pressed simultaneously for at least
1 second, the results of any horizontal keystone correction will be reset.
q Before performing horizontal or vertical keystone adjustment, shift the lens
to the positions mentioned below. Otherwise, your image may not be
adjusted correctly. s "Adjusting the Position of the Projected Image
(Lens Shift)"
p.161
• The horizontal lens shift is set to the center.