Polycom PVX Supplementary Manual page 7

Selecting Audio and Video Devices for Use with Polycom PVX
Configuring Audio Input Devices
After you connect your hardware, you need to specify the audio input and
output devices in the Polycom PVX application.
To specify the audio devices:
1. From the PVX Main page, select Setup > Audio.
2. Configure these settings:
Setting
Audio Output Device
Audio Input Device
Echo Cancellation
Description
Select Auto to use the sound playback device specified in
the Windows Sounds and Audio Devices control panel.
Select None to use no audio output device.
Select Auto to use the sound recording device specified in
the Windows Sounds and Audio Devices control panel.
Select None to use no audio input device.
Select Internal (when using Windows XP) to use the
Windows XP echo canceller.
Select External (when provided by external device) to use
echo cancellation provided by another device.
Select None to disable echo cancellation if you are using a
headset.
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