Troubleshooting - Polycom Viewstation 128 User Manual

Troubleshooting

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Symptom
Audio
Not enough volume
during a call.
ViewStation startup music
plays through the built-in
ViewStation speaker but
not through monitor
speakers.
Volume of incoming call
ringing and other sound
effects too loud or too soft.
No audio in a call.
Audio clipping at far-site
when using an external
wireless microphone.
Local audio can be heard
when speaking in the
microphone.
An echo is heard at the
near-site when speaking.
ViewStation User's Guide
Cause
Volume set too low on the
ViewStation.
Volume set too low on the
monitor.
Monitor speakers or audio
amplifier not properly
connected.
Sound effects volume not set
at desired level.
Monitor audio inputs not
connected properly.
ViewStation connected to the
wrong audio input on the
monitor.
Far-site is muted.
Too many network line errors.
Audio input is overdriven on
the ViewStation.
The monitor or amplifier are
connected to the VCR audio
output.
Echoes are always caused by
the far-site.
The far-site audio volume may
be too loud.
Solution
Turn up the ViewStation volume using the
remote control.
Turn up the volume on your monitor or
external amplifier.
Check audio connections and volume level
on your monitor.
Adjust the sound effects volume on the
Phone/Audio screen under Setup. If you do
not want to hear sound effects, set the
volume to 0.
Check audio output on the Generate Tone
screen under Diagnostics. You should hear a
400 Hz tone emitting from the speaker.
Make sure the ViewStation audio output
lead(s) are connected to the same input
connector(s) that have been selected on the
monitor.
Look for the far-site Mute icon. Ask the far-
site to unmute themselves.
Disconnect call and reconnect later.
Turn down output of wireless microphone.
Put the ViewStation in local loop and adjust
mic output till you hear audio coming back
clear and crisp with no clipping.
Connect the monitor or audio amplifier to
the monitor audio out of the ViewStation.
At the far-site, make sure the microphone is
placed away from the audio speaker.
Turn down the audio volume at the far-site.
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