D: System Operation - Polycom HDX 4500 Appendix

Unfortunately not many other manufacturers provide this facility. Additionally
when the PC image is previewed its associated audio is only heard at the local site.
Echo cancellation is appropriately disabled on this input.
System control is normally through the wired remote but if preferred a Polycom
standard infra red control may be used. Remote configuration is another option via
a web browser from a network connected PC. This comprehensive web interface
provides control and configuration of the CODEC and displays diagnostic
information if required, together with web snapshots of near and far sites. For
added security this remote management system may be password protected. For
connection to a room control system etc. an RS232 serial control port is also
provided.

D: SYSTEM OPERATION

The remote control panel includes dedicated controls for Dial, Hang up, Directory,
Volume, Microphone mute, Zoom, Near/Far and Layout together with cursor
controls to navigate the on screen menus.
The Content (PC) input signal is controlled via two buttons. The monitor preview
button cycles between the PC input and the CODEC output, while the second
button transmits or stops transmission of the PC image over the conference link to
the remote site(s)
The ‗Info' button has dual functions, providing context sensitive help when not in a
call and a shortcut to Call Status information during a call.
HDX 4500 Remote Control Panel
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