User`s guide

Administrator’s Guide for Polycom HDX Systems
4–16 Polycom, Inc.
2 Configure these settings:
Setting Description
Input Type
Polycom HDX 9004
Polycom HDX 9002
Polycom HDX 9001
Specifies the type of equipment that is connected to audio
input 1.
(Polycom HDX 9000 series only) Choose Line Input
unless you have connected microphones that do not have
an external preamplifier. Choose Microphone for most
wired microphones. When set to Microphone, and
Enable Phantom Power is enabled, the input provides
48V of phantom power.
Input Type Level
Polycom HDX 9006
Polycom HDX 9004
Polycom HDX 9002
Polycom HDX 9001
Polycom HDX 8000 HD
Polycom HDX 7000 HD
Polycom HDX 7000
Sets the volume level for audio input 1.
Echo Canceller
Polycom HDX 9006
Polycom HDX 9004
Polycom HDX 9002
Polycom HDX 9001
Polycom HDX 8000 HD
Polycom HDX 7000 HD
Polycom HDX 7000
Specifies whether to use the system’s built-in echo
canceller with audio input 1.
Do not enable this option if you have connected a Polycom
Vortex mixer.
Note: This setting affects both the HDX microphone input
and analog audio input1. When only the HDX microphone
is connected, do not enable this option.
Content Input Level
Polycom HDX 9006
Polycom HDX 9004
Polycom HDX 8000 HD
Polycom HDX 7000 HD
Polycom HDX 7000
Polycom HDX 6000 HD
Polycom HDX 4500
Polycom HDX 4000 HD
Polycom HDX 4000
Specifies the volume level for audio input 4 of a Polycom
HDX 9000 series or Polycom HDX 8000 series system.
Specifies the volume level for audio input 3 of a Polycom
HDX 7000 series system. Specifies the volume level for
the PC audio input of a Polycom HDX 6000 series or
Polycom HDX 4000 series.
Enable Phantom
Power
Polycom HDX 9004
Polycom HDX 9002
Polycom HDX 9001
Allows the system to supply power to microphones
connected directly to the audio input.
Note: This selection is only available when you set Input
Type to Microphone.
Input Type
(dB meter)
Lets you see the peak input signal level present at audio
input 1.