Optoma EH501 User Manual page 60

**Crestron RoomView
On the "Edit Room" page, enter the IP Address (or hostname) as shown on
the projector's on-screen display (OSD) menu, and "05" for IPID, "41794" for
the reserved Crestron control port.
About Crestron RoomView setting and command method, please access
below website to get RoomView User Guide and more information:
http://www.crestron.com/features/
roomview_connected_embedded_projectors_devices/resources.asp
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