222. Projecting an Image ( Basic Operation)4. Press the ▲ button to select [KEYSTONE HORIZONTAL] and thenuse the ◀ or ▶ so that the top and bottom sides of the projectedimage are parallel.• Adjust the horizontal keystone distortion.5. Repeat steps 2 and 4 to correct keystone distortion.6. After completing Keystone correction, press the EXIT button.The Keystone screen will disappear.• To perform Keystone correction again, press the ▼ button to displaythe Keystone screen and repeat above steps 1 to 6.To return the keystone adjustments to default:1. Press the ▼ button to select [RESET] and press the ENTER button.2. Press the ◀ or ▶ button to select [YES] and press the ENTER button.The adjustments will be reset.All the adjustments for all the five items will be reset at the same time.• The KEYSTONE feature can cause an image to be slightly blurred because the correction is made electronically.