Sony VPL-EW348 Operating Instructions Manual page 19

Correcting trapezoidal distortion of the projected image (Keystone feature)
Normally the Keystone feature automatically adjusts the projected image. The Keystone
feature may not work automatically if the screen is tilted. In this case, set Keystone manually.
1 Press the KEYSTONE key on the remote commander or select V Keystone in the Installation
menu.
2 Use the V/v/B/b keys to set the value. The higher the value, narrower the top of the projected
image. The lower the value, the narrower the bottom.
Note
Since the Keystone adjustment is an electronic correction, the image may be deteriorated.
Increase the number
towards plus
Increase the number
towards minus
Projecting an Image
19