Ask Proxima C445 User Manual page 9

If you are using a desktop computer and want to see the image on your
connect monitor cable
computer screen as well as on the projection screen, plug the monitor cable
to the Monitor out connector on the projector.
You can control the projector from an LCD control panel, touch screen, or connect RS-232 cable
other control device or computer by connecting an RS-232 cable to the pro-
jector's Serial Control connector. Specific RS-232 commands can be found
in the Service and Support section of our website and in the Appendix.
The projector can be managed by networking software through its Network
(RJ-45) connector. Detailed instructions on this feature can be found on our
connect CAT-5 cable
website.
Network
8