1 for svp-5500dx, connect a desktop pc using usb cable and install the supplied svp-5500 program. you can see the projected image on the pc monitor and control the image as a graphic file using the program.

    2 rs-232c connection is available for advanced user. if you connect a pc with rs-232c cable, you should set up your pc and make your own program to control the projected image on pc. ask your dealer for further details.