Polycom 128, 512, MP manual Troubleshooting, Symptom, Cause, Solution, Audio

Troubleshooting

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

ViewStation User’s Guide 123