Central Unit (Cu) - Bosch CCS 800 Ultro Installation And Operating Manual

CCS 800 Ultro | Installation and Operating Manual
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Central Unit (CU)

1
2
3
Trunk in/out Microphone Recorder
Gain Gain
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Figure 3. 1
1 Mains On/Off switch.
2 MP3 recorder (for more information, see section 7).
3 Microphone-mode switch.
Open mode with auto switch-off. To select
the maximum number of delegate microphones
to be activated simultaneously (1, 2, 3 or 4).
The microphone automatically switches off if
the speaker does not speak for 30 seconds.
The microphone can manually be switched off
by pushing the button on the delegate unit.
Open mode. To select the maximum number
of delegate microphones to be activated
simultaneously (1, 2, 3 or 4). The microphone
must be switched on or off manually by pushing
the button on the delegate unit.
Override mode. Only one delegate
microphone can be activated. If a new delegate
presses his microphone button, the microphone
unit of the current speaker will be switched off.
Chairman only mode. Only the chairman
units can be activated.
Test mode. For proper installation check.
All the light-rings and LED's of the connected
units will lit, if properly connected.
4 Speaker volume control of all connected delegate
and chairman units.
Bosch Security Systems B.V. | 2007-08
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6
Line Telephone Insertion
FIELD A
In
Digital Acoustic
Out
Feedback Suppression
9 11 13 14
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5 Volume control of the speaker or headphone of the
CU.
6 Headphone connection with 3.5 mm stereo jack plug
socket.
7 Trunk output 1 and 2. For loopthrough connection of
the delegate and chairman units. To each output a
maximum of 25 units can be connected.
The maximum length of cable between the outputs
of the CU and the last unit in the system is
100 m (328 ft).
8 Microphone input with gain adjustment for external
microphone. The external microphone will be
muted when the priority button on the chairman unit
is pressed.
100-240 V~
9 Recorder input with gain control and recorder
output connection.
10 Line input and output for connecting a PA-system or
15 other audio equipment.
11 Telephone coupler input and output for connecting a
remote participant.
Note
The telephone input signal to the CU is not
added to the telephone output signal from the
CU to prevent line echo due to feedback.
12 Insertion connection. To connect an external audio
equalizer for speech quality improvement under
difficult acoustic conditions (1 = without equalizer,
0 = insertion connection is internally open,
providing means to connect an external equalizer in
the path from microphone signals to delegate/
chairman loudspeakers).
Note
Position "1" required for internal loop-through
of the microphone signals to the delegate/
chairman unit loudspeakers.
13 Digital Acoustic Feedback Suppression (DAFS)
switch to activate or deactivate the DAFS (optional).
14 USB connector. Used for downloading recorded
speech to a PC (optional).
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