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RESOLVING PROBLEMS
8-6
No Audio
The following table summarizes the corrective actions that you can
take if you have no audio.
Table 8-4: No Audio Checklist
If you have these
symptoms...
Do this...
No
system sound.
A video image appears on
the monitor.
1. If the far-end keypad is a tethered keypad, make sure that
the INT MIC switch on the back side of the keypad is set to
ON
.
2. Check to see if the far end is muted.
3. Press the volume up/down button on the keypad.
4. Make sure that these cables are securely connected:
❑
PowerMic cables to the electronics module
❑
Near-
and
far-end monitor audio cables
❑
Bose speaker to the electronics module
5. Isolate the problem to the electronics module by performing
a local channel loopback test or a video-audio loopback test
at both sites.
6. Perform the Video-Audio Test Pattern at both sites.
If you
do not
hear the tone, you may have a defective Audio
board. If you
do
hear the tone, you may have a defective
microphone.
If at the end of these steps you still do not hear any audio or
you have located the defective part, call your authorized
PictureTel service provider.
Summary of Contents for Concorde 4500
Page 1: ...Concorde 4500 Administrator s Guide ...
Page 6: ......
Page 12: ......
Page 18: ......
Page 19: ...Introducing the Concorde 4500 ...
Page 38: ......
Page 39: ...Connecting and ConÞguring Your Network ...
Page 68: ......
Page 69: ...Managing the Dialing Directory ...
Page 79: ...ConÞguring General Options for Your System ...
Page 99: ...ConÞguring and Adjusting the Video and Audio ...
Page 139: ...ConÞguring Ports ...
Page 140: ...This chapter describes how to Set the control ports Set the data ports ...
Page 153: ...Obtaining Diagnostic Information ...
Page 185: ...Resolving Problems ...
Page 202: ......
Page 206: ......
Page 226: ......