Dell S520 Guide D'installation page 8

Set Up Laser Touch on Your Projector
7 Connect the VGA cable to your computer.
NOTE: You can also project the image
through VGA-B and HDMI. Press the left
button on your control panel for auto
searching and selecting the correct input
source.
6
8 Connect the Mini USB cable to your
computer.
9 Power on the projector by pressing the
power button on the remote control.
5 m Mini USB cable