By default the AEC reference has been set to the mono virtual channel "Amplifier" because this audio
includes all the remote audio that need to be echo canceled.
Channels Page for Matrix
Wiring Information
The system should be wired according to the layout on the wiring page as shown in the following figure. To
wire the system with virtual channels on other physical inputs or outputs, simply drag the channels to their
desired locations and then wire the system according to the updated wiring information.
Polycom, Inc.
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