Polycom VSX Series Go to this screen Configure these settings Audio Input, Enable Echo Canceller

Administrator’s Guide for the VSX Series

To configure the VSX system to use microphones connected directly to the RCA audio inputs:

Go to this screen:	Configure these settings:
Audio Input	Configure Balanced In:
System > Admin Settings >	• Set Line Input to Audio Mixer. (except
Audio > Audio Settings > Next	VSX 7000s)
	• Enable Echo Canceller.
	• Adjust the audio Level if necessary. You can
	test this setting using the Audio Meter.
Audio Meter	Speak into the microphones that are connected to
System > Diagnostics > Audio	the audio line inputs. The audio meter should
	peak at about 10dB for normal speech.
> Audio Meter

The Audio screen, where you choose Audio Settings or Stereo Settings, is not present unless stereo is enabled.

Configuring Microphones Connected to Balanced Audio Inputs on a VSX 8000 System

In addition to the Polycom microphone or SoundStation VTX 1000 conference phone, you can connect other powered microphones directly to the VSX 8000 system’s balanced audio inputs.

To configure the VSX 8000 system to use microphones connected directly to the balanced audio inputs:

Go to this screen:	Configure these settings:
Audio Input	Configure Balanced In:
System > Admin Settings >	• Set Input type to Microphone.
Audio > Audio Settings > Next	• Select Echo Canceller.
	• Select Enable Phantom Power to supply
	power to microphones.
	• Adjust the audio Level if necessary. You can
	test this setting using the Audio Meter.
Audio Meter	Speak into the microphones that are connected to
System > Diagnostics > Audio	the balanced audio inputs. The audio meter
	should peak at about 10dB for normal speech.
> Audio Meter

The Audio screen, where you choose Audio Settings or Stereo Settings, is not present unless stereo is enabled.

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