Polycom iPower 600 User Manual page 65

iPower Collaboration System Tips and Troubleshooting
60
Problem
Poor audio from the
far-end system
Cannot hear any audio or the
volume is too low or too high
Poor Automatic Gain Control (AGC).
Far end detects variations in audio
from near-end sources that are
different distances from the
microphone
Poor Automatic Noise Suppression
(ANS). Far end hears near-end
background noise
Poor Integrated Dynamic Echo
Cancellation (IDEC™). Far-end
participants hear echoes of
themselves
Corrective Action
• From the Hardware Diagnostics application,
click Test Audio. Select one of the A/V
Board-Generated or Motherboard-Generated
options as the Audio Source. If the audio
tones or noise have poor quality, call for
service.
• If you are in a call, adjust the volume by using
the control buttons on the remote or by
manipulating on-screen controls with the
keyboard.
• If your audio speakers have their own volume
control, check that the control is set
appropriately.
• Listen for the dial-up tones during the dial-up
process.
• From the Hardware Diagnostics application,
start Automated Testing. If the test fails, call
for service.
• From the Hardware Diagnostics application,
click Test Audio. Select one of the A/V
Board-Generated or Motherboard-Generated
options as the Audio Source. If the audio
tones or noise have poor quality, call for
service.
• From the Operating Statistics application,
check the audio settings.
• If this is a custom audio system, try to bypass
AGC and Echo Cancellation and revert back
to the PowerMic to see if the symptoms
persist.
• From the Operating Statistics application,
check the audio settings.
• From the Operating Statistics application,
check the audio settings.
www.polycom.com