Correcting Image Shape with the Keystone Buttons
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.
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.
After correction, your image is slightly smaller.
If the projector is installed out of reach, you can also correct the image shape using the Keystone settings in the projector menus.
Projector Feature Settings - Settings Menu