Sony VPL-DW125 Operating Instructions Manual page 14

Correcting trapezoidal distortion of the projected image (Keystone feature)
Keystone feature may not work automatically when 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 the keys to set the value.
The higher the value, the 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.
Automatically adjusts Phase, Pitch and Shift of projected image while a
signal is input from a computer (APA (Auto Pixel Alignment))
Press the APA key on the remote commander. Press again to cancel adjusting during the setting.
You can also set APA in the Screen Menu (page 19). If Smart APA in the Function menu is set
to "On", executes APA automatically when a signal is input (page 22).
14
Projecting an Image
Increase the number
towards plus
Increase the number
towards minus