Audio - Polycom VSX 3000 Administrator's Manual

Audio

Symptom
No audio at your site.
Problem
The far site is muted.
The volume may be turned
all the way down on the
monitor or external audio
system.
VSX 6000, VSX 6000A,
VSX 7000, VSX 7000s:
The midrange speaker and
subwoofer may be turned
off. This happens if stereo
is enabled and is possible
even if you have not set up
the system to use stereo.
The far site's microphones
are not placed correctly.
The far site's microphone is
not connected or does not
have power.
Too many line errors.
ISDN voice algorithm is
incorrect.
A single monitor VGA
configuration does not have
an external audio system.
The monitor's audio inputs
are not connected properly.
The system's audio outputs
are not connected properly.
Corrective action
Look for the far site Mute icon. Ask the far site to
unmute the microphone.
Note: The far site's microphone may be muted even
if you do not see a far site Mute icon.
Turn up the volume on the appropriate device.
Use the remote control to turn up the volume.
Check the monitor's or external audio system's
volume setting. Then check the system's audio
output using the Speaker Test under Diagnostics >
Audio. You should hear a 473 Hz tone.
Go to System > Admin Settings > Audio Settings
and select twice.
Make sure that Midrange Speaker and Subwoofer
Speaker are both On.
Ensure that each person who speaks is facing a
microphone and is close enough to it.
Ask the far site to check the cable to the microphone.
Try the call again later.
Go to System > Admin Settings > Network > ISDN.
Change the ISDN Voice Algorithm selection (aLaw
or uLaw).
Check the system's audio connections to the
external audio system.
Check audio output using the Speaker Test screen
under Diagnostics > Audio. You should hear a
473 Hz tone.
Ask someone at the far site to speak into the
microphone, and check the Far Site Audio meter on
the Audio Meter screen under Diagnostics > Audio
to determine whether your system is receiving audio.
Check the system's audio connections to the
monitor, or to the external audio system if one is
connected.
Verify that the system is connected to the correct
audio connectors on the monitor.
Troubleshooting
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