Bosch CCS 1000 D Operation Manual page 58
Digital discussion system
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Also See for CCS 1000 D:
- Operation manual (52 pages) ,
- Quick start manual (8 pages) ,
- Release notes (8 pages)
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58
en | Troubleshooting
Problem
Acoustic feedback from
Discussion Devices.
Incorrect response from LED
indicator above microphone
button.
2016.05 | V2.0 |
Possible cause
An acoustical path is created
between a loudspeaker and a
microphone.
Incorrect microphone mode
selected.
Configuration switch at base
of Discussion Device
incorrectly set.
Operation manual
Digital Discussion System
Possible solution
–
Use the volume control
on the Control Unit to
centrally decrease the
volume of all Discussion
Devices.
–
Decrease the volume of
the Control Unit
loudspeaker.
–
Increase the distance
between the Discussion
Devices and/or the
Control Unit.
–
Increase the distance
between the headphone
and the microphone of a
Discussion Device.
Disconnect the
headphone when not
used.
–
At the audio settings
page, make sure: "Digital
Acoustic Feedback
Suppression" (Natural or
Maximum) and
"Attenuate headphone
when speaking" are
selected. "Loudspeaker
active when microphone
is on" should be
deselected.
–
Do not get too close to
the microphone capsule
when speaking.
–
Avoid holding and
covering the microphone
capsule with your hand.
Check microphone mode and
change mode if required.
Set the configuration switch
to either participant's device
or chairperson's device. See
Discussion Device, page 36.
The configuration mode can
be set in the Seats page of
the web browser interface.
Bosch Security Systems B.V.
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