You
can use the projector's keystone correction buttons to correct the
shape of an image that is unevenly rectangular on the sides.
Turn on the projector and display an image.
Note: You can
display a pattern to aid in adjusting the projected image using the
Settings menu.
Press one of these keystone buttons on the control panel to
display the Keystone adjustment screen.
Press a keystone button on the projector's control panel to
adjust the image shape.
Note: The
horizontal keystone adjustment buttons are labeled Wide and Tele on
the EX3220/VS230.
After correction, your image is slightly smaller.
Note: If the
projector is installed out of reach, you can also correct the image
shape with the remote control using the Keystone settings in the projector
menus.