Setting Up The Presentation Display - Cisco TelePresence System TX9000 Assembly, Use & Care, And Field-Replaceable Unit Manual

Setting Up CTS Components
Troubleshooting Microphones
Use
Table 15-5
Problem
Sound is muffled.
Sound registers at the wrong
microphone.
No sound registers.
Microphone icon with red pipe
displays.
Microphone icon with question
mark displays.
System is experiencing
"phantom switching" (during a
TelePresence conference, the
system switches to a segment
where no one is talking or is
empty)

Setting Up the Presentation Display

If your system has an Auxiliary Control Unit, set up the display for first-time use by completing the steps
in this section.
Cisco TelePresence System TX9000 and TX9200 Assembly, Use & Care, and Field-Replaceable Unit Guide
15-26
Table 15-5 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.
One of the microphones is
unplugged.
Microphone is not properly
calibrated.
Chapter 15 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 connected to the
audio/video extension unit and
that the extension cords are
properly connected.
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 connected.
Check that the microphone is
properly connected.
Rerun the Microphone
Calibration procedure.
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