Sony VPL-CS20 Operating Instructions Manual page 19

Use the arrow key (v/V/b/B) to scroll
the enlarged image.
To return the image to its original size
Press the D ZOOM – key.
Just pressing the RESET key returns the
image back to its original size immediately.
To freeze the image projected
(Freeze function)
Press the FREEZE key on the remote
commander. "Freeze" appears when the key
is pressed. This function works when a
signal from a computer is input.
To restore the original screen, press the
FREEZE key again.
19
Other Functions