ADN System Instruction Manual

If a problem occurs .../Frequently asked questions
232 | ADN Digital Conference System
Loud hissing at the
conference units’
loudspeakers
The conference units are placed too
close together
Increase the distance between the
individual conference units to at least
50 cm.
–
The floor channel volume is adjusted
to a very high level
Reduce the floor channel volume. 120, 200
and 214
The “Feedback Suppression” function
for eliminating feedback is deactivated
Activate the “Feedback Suppression”
function (“Low Intensity” or “High
Intensity”).
99 and
202
Contributions coming from
the conference units’ micro-
phones are not reproduced
via the conference units’
built-in loudspeakers and
headphones sockets
The “Mic Loudspeaker Mute” function
is activated (the conference units’
built-in loudspeakers and headphones
sockets are deactivated for contribu-
tions coming from the conference
units’ microphones)
Deactivate the “Mic Loudspeaker
Mute” function.
100 and
201
The audio signals of the IN
audio input are not output
at the OUT audio output
The “XLR Mix Minus” function for
filtering the audio signals of the IN
audio input from the audio signals of
the OUT audio output is activated
Deactivate the “XLR Mix Minus”
function.
100 and
201
Occurrence of double audio
signals during a video- or
teleconference
The volume of the conference units’
loudspeakers is too high
Reduce the floor channel volume. 120, 200
and 214
The “XLR Mix Minus” function for
avoiding double audio is deactivated
Activate the “XLR Mix Minus” function. 100 and
201
After switch-on, the
delegate units only indicate
requests to speak
You are using ADN D1/ADN-W D1
delegate units exclusively. The
conference mode chosen requires a
chairperson unit for granting speaking
privileges (e.g. “Request”)
Set a conference mode which does
not require the grant of speaking privi-
leges.
90 and
195
Use an ADN C1/ADN-W C1 chairperson
unit to grant speaking privileges.
118
Use the “Conference Manager”
software to grant speaking privileges.
211
Delegate unit is automati-
cally deactivated
The speaking time limit is activated Deactivate or increase the speaking
time limit.
92 and
197
A further speaker has made a request
to speak in “Override” mode
Change the conference mode. 90 and
195
Increase the number of speakers who
can take the floor simultaneously.
91 and
196
No request to speak can be
made
The maximum number of requests to
speak has been reached
Increase the maximum number of
requests to speak.
91 and
196
Wait until one of the current speakers
passes on his or her speaking privi-
leges.
–
The signal light ring does
not flash when a request to
speak is made
The function is deactivated Activate the function. 93 and
197
The number of conference
units displayed does not
correspond to the number
of connected conference
units
The conference units have been added
to the conference system during
operation
Initialize the conference units or
switch the conference system on
again.
94 and
191
A cabling error has occurred Check the conference system for a
cabling error.
56
Problem Possible cause Possible solution
See page
2