your computer meets the system requirements, you can send video and
audio output to the projector through the control pad's
port (preferably USB 2.0).
Connect the projector and your computer to the control pad using
Make sure the control pad is positioned no
more than 6.5 ft (2 m) away from the projector, and no obstacles
are blocking the signal from the projector. Do not place the
control pad behind the projection surface.
Note: This also
lets you use the interactive pens with your computer. You need to
adjust the USB Type B setting in the
projector's Extended menu before you can project through the USB
port. Note that using USB Display will slow interactive pen
function. For the best performance, VGA or HDMI connections are
recommended, in addition to the USB connection for interactive pen