BenQ PB2240 - Manual (Page 25)

Operation 21
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
16 .
BLANK
Focus ring
Zoom ring