Epson 503c - Manual (Page 30)

24 Using the Projector
Adjusting the Image Shape
If the projected image isn’t rectangular or has a “keystone” shape, do
one or more of the following:
■ If your image looks like or , you’ve placed the
projector off to one side of the screen, at an angle. Move it directly
in front of the center of the screen, facing the screen squarely.
■ If your image looks like or , press the + or — side of
the Keystone button to correct the shape of the image. After
correction, your image will be slightly smaller.
You can also perform electronic keystone correction using the
projector’s Setting menu. See page 46.
Keystone button