Administrator’s Guide for Polycom HDX Systems

Audio

Diagnostic Screen

Description

 

 

Speaker Test

Tests the audio cable connections. A 473 Hz audio tone

 

indicates that the local audio connections are correct.

 

If you run the test from the system during a call, the far site

 

will also hear the tone.

 

If you run the test from the web interface during a call, the

 

people at the site you are testing will hear the tone, but you

 

will not.

 

 

Audio Meter

Measures the strength of audio signals from

 

microphone(s), far-site audio, VCR audio, and any device

 

connected to the audio line in.

 

•

To check the microphone(s), speak into the

 

 

microphone.

 

•

To check far-site audio, ask a participant at the far site

 

 

to speak or call a phone in the far-site room to hear it

 

 

ring.

 

•

To check a VCR or DVD, connect it to the VCR inputs

 

 

and play the VCR or DVD to test the audio.

 

The Audio Meters indicate peak signal levels. Set signal

 

levels so that you see peaks between +3dB and +7dB with

 

normal speech and program material. Occasional peaks of

 

+12dB to +16dB with loud transient noises are considered

 

acceptable. A meter reading of +20dB corresponds to

 

0dBFS in the Polycom HDX system audio. A signal at this

 

level is likely clipping the audio system.

 

Meters function only when the associated input is enabled.

 

 

 

Reset System

Diagnostic Tool

Description

 

 

Reset System

Cycles power to the system.

 

Note: If Security Mode is enabled, you must enter the

 

room password to reset the system.

 

When you reset the system using the remote control, the

 

system’s user interface allows you to:

 

• Keep your system settings (such as system name and

 

network configuration) or restore factory settings.

 

• Keep or delete the directory stored on the system.

 

System reset does not affect the global directory.

 

You may wish to download the CDR and CDR archive

 

before you reset the system. See Call Detail Report (CDR)

 

on page 11-7.

 

 

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Polycom 1 manual Audio, Reset System, Diagnostic Tool Description
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1 specifications

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