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.
Built-In Microphones
(dB meter)
Polycom HDX 4500
Polycom HDX 4000 HD
Polycom HDX 4000
Lets you see the peak input signal level present at the
built-in microphones.
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