If the projected image is not evenly rectangular,
try the following solutions:
- Place the
projector directly in front of the center of the screen, facing it
squarely, if possible.
- If you are mounting the projector from the ceiling,
use the adjustment controls on the mount at the time of
installation.
- Try to fix the image using lens shift before
adjusting the H/V-Keystone
setting.
- Adjust the image shape using the H/V-Keystone menu setting.