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devices can be connected in any order. The
number of microphone stations connected
to the two jacks on the controller may also
be different.
4.2 Additional microphone
It will be possible to connect an additional
microphone or the receiver of a wireless
microphone via the jack "Microphone" (20).
For microphones requiring phantom power, a
voltage of 12 V is present at this jack. Therefore,
do not connect any microphones or wireless
receivers with unbalanced output signal to this
jack; they may be damaged.
4.3 Recorder
To record a discussion, connect the input of a
recorder to the RCA jacks "Recorder out" (15).
The signal level at these jacks is independent of
the speaker volume adjusted.
To reproduce a recording, connect the out-
put of the recorder to the RCA jacks "Recorder
in". These jacks are provided both for the left
(L) channel and the right (R) channel of a stereo
recorder; however, signal processing in the con-
ference system is monophonic.
4.4 Signal source with line level
A mono signal source with line level (e. g. output
of a mixer) can be connected to the RCA jack
"Line in" (16).
If only a stereo signal source is available and
the input "Recorder in" is not used, the signal
source can be connected to this input.
4.5 Amplifier system
To reproduce the discussion via an amplifier
system, connect the input of the amplifier or
mixer to the jack "Line out" (16).
4.6 Telephone coupler
To include a person in the discussion over the
phone, a telephone coupler can be connected
to the jacks "Telephone" (13). This telephone
coupler will provide the necessary electrical con-
nection between the telephone network and the
conference system.
Caution: Never try to directly connect a telephone line
to the conference system!
4.7 Inserting external signal processing
To insert an additional device for signal process-
ing (e. g. an equalizer for adjusting the sound
or a compressor for limiting the dynamic range)
into the signal path of the conference system,
connect the input of the device to the jack
"Insertion out" (14) and its output to the jack
"Insertion in".
To activate external sound processing, set the
switch
(12) to position "I".
4.8 Headphones
As an alternative to listening via speakers, head-
phones can be used. For this purpose, the con-
troller is provided with a jack (2), the microphone
stations are equipped with a jack (24) both on
the left and on the right. When a plug has been
connected to a jack, the corresponding speaker
will be switched off.
4.9 Power supply
Finally connect the mains cable provided to the
IEC connector (10) first, then connect it to a
mains socket.
5 Operation
Note: If no device for external sound processing
is connected to the jacks "Insertion" (14) or if a
device connected to these jacks is not used, set the
switch
(12) to position "O".
Set the volume control
then switch on the controller with the POWER
switch
(9). The display (5) will show the
last operating mode selected and also the
date (format: year – month – day) and the time
(format: hour : minute : second). To set the clock
☞
chapter 5.5.
5.1 Selecting the operating mode
1) Keep the button SET (8) pressed for approx.
2 seconds. Instead of the date,
flashing while the setup menu is open.
2) Use the buttons (6) or (7) to select one of
the following operating modes:
"Over Ride Mode"
To switch on the microphone of a delegate,
briefly press the talk button (27). The LED (23)
on this microphone station and the ring (22)
(4) to "1" first,
will keep
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