Cisco 3000 Use & Care Manual page 178

Setting Up CTS Components
Step 4 Calibrate the microphones by clicking the Microphone Calibration button.
The room must be completely quiet to properly calibrate microphones and ensure that camera switching
Note
is properly enabled.
Before clicking the Microphone Calibration button, you can leave the room and close the door to insure
Tip
complete silence in the room.
Click Stop when setup is complete.
Step 5
Troubleshooting Microphones
Use Table 9-4
Table 9-4
Problem
Sound is muffled.
Sound registers at the wrong
microphone.
No sound registers.
Microphone icon with red pipe
displays.
Cisco TelePresence System 3000
9-18
to troubleshoot problems with microphones.
Troubleshooting Chart for Microphone Problems
Possible Cause
Something near or on the
microphone is distorting the
sound.
Microphone cable is not
connected to its corresponding
codec.
Microphone cable is not
connected or is only partially
connected.
Microphone is not connected.
Chapter 9 First-Time Setup
Possible Solution
Move objects away from the
microphone.
Check that the cable from the
microphone is plugged into the
correct receptor on the codec.
Plug all microphones into the
primary codec.
Check that the system is plugged
in and power is on.
Check that the microphone plug
is firmly seated in the correct
connector on the primary codec.
Check that the mute light on each
microphone is lit. An unlit light
indicates that the microphone is
not plugged in.
Lightly tap the microphone to
see if sound registers.
Contact Cisco technical support
if you are certain that the cabling
is correct and power is applied to
the system, but no sound
registers on the microphone.
Check that the microphone is
properly plugged in.
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