The image is not rectangular. What should I do?

• If the image looks like or , the projector has been placed off to one side of the screen, at an angle. Place it directly in front of the center of the screen, facing the screen squarely. See Positioning the Projector.
  
  If the image looks like or , you need to adjust the keystone correction value. Press the or buttons on top of the projector until the image is rectangular. After correction, your image will be slightly smaller.