BenQ PB2140/PB2240 - Manual (Page 24)

Operation 20
Blank
In order to draw the audience’s full attention to
the presenter, you can use Blank to hide the
screen image. Press Blank again to restore the
image. A word “BLANK” appear at the bottom
right corner of the screen when the image is
hidden.
Zoom / Focusing
Adjust the projected image to your desired
size using the lens’ zoom ring. Then focus the
image by rotating the focus ring. Refer to the
screen size tables on page
15 .
BLANK
Focus ring
Zoom ring