Technical information

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16 | CCS 900 Ultro Discussion System | Central Control Equipment
•
External wired or wireless microphone – for guest
speakers
or audience participation. (Note: The external
microphone is muted when the priority button on a
chairman unit is pressed, and when the system is
operating in ‘chairman only’ mode)
•
External PA system – for transmitting the proceedings
to an audience in the same room or an adjacent room
•
Tape recorder – for external recording and playing back
meetings and discussions
•
Audio equipment – for providing background music
•
Telephone coupler – to allow a remote delegate to
participate via telephone
•
External audio processing – an insertion connector is
provided
Controls and Indicators
Top
•
Mains on/off switch
•
Graphical display for status information (CCS‑CURD)
•
5 soft buttons for configuration and control of the built-
in MP3 recorder (CCS‑CURD)
•
Loudspeaker volume control, for setting output level of
loudspeakers of contribution units. This control also
determines the maximum level for the headphone
outputs of the contribution units and the CU.
•
Microphone mode rotary switch, for setting the number
of simultaneously active microphones, and selecting
one of the four operation modes (plus test mode)
•
Power on LED
Back
•
On/off switch for digital acoustic feedback suppression
facility (CCS‑CUD, CCS‑CURD)
•
Microphone input gain adjustment
•
External recorder input gain adjustment
•
Insertion connector bypass switch
Interconnections
Top
•
1 x 3.5 mm (0.14 inch) stereo headphone socket
Back
•
1 x AC input
•
2 x 7-pole circular female connectors, trunk in/out loop
through interconnection
•
1 x 3-pole female XLR connector, microphone input (can
be used as line input by included 50dB attenuator)
•
1 x Cinch connector pair, line input/output
•
1 x Cinch connector pair, telephone input/output
•
1 x Cinch connector pair, insertion input/output
•
2 x Cinch connector pairs (R/L channel), external
recorder input/output
•
USB interface (CCS‑CURD)
1 2
1 CCS‑CUD, CCS‑CURD
2 CCS‑CURD
Parts Included
Quant. Component
1 Control Unit
1 50 dB Attenuator
1 User manual
1 Power cord
Technical Specifications
Electrical
Mains voltage 100 to 240 VAC ± 10 %
Current consumption maximum 0.9 A (100 VAC)
to 0.3 A (240 VAC)
DC supply to
contribution units
24 V ± 1 V (current limited)
Loudspeaker volume con-
trol
mute (50 dB att.) + 10 steps of 1.9 dB
Limiter threshold level to
unit
10 dB above nominal level loudspeaker / head-
phone
Gain reduction due to num-
ber of open microphones
(NOM)
÷ NOM ± 1 dB
Total harmonics
Nominal input (85 dB
SPL)
< 0.5
Max. input (110 dB SPL) < 0.5
Sample frequency (CCS‑CURD)
Recording 32 kHz
Playback 32, 44.1, 48 kHz
Bit rate (CCS‑CURD)
Recording 64, 96, 128, 192, 256 KBit/sec
Playback any bitrate
Compatible conform ID3V2 mp3-tags (CCS‑CURD)
Memory card Any SD Card up to 2 Gb (high speed cards ad-
vised)
Recording capacity (CCS‑CURD)
Internal
memory
Card size
Bit rate 225 MB 512 MB 1 GB 2 GB
64 07 h : 41 m 17 h : 14 m 34 h : 28 m 64 h : 56 m
96 05 h : 07 m 11 h : 29 m 22 h : 59 m 45 h : 58 m
128 03 h : 50 m 08 h : 37 m 17 h : 14 m 34 h : 28 m
192 02 h : 33 m 05 h : 44 m 11 h : 29 m 22 h : 58 m
256 01 h : 55 m 04 h : 18 m 08 h : 37 m 17 h : 14 m
Bosch Security Systems B.V. www.boschsecurity.com
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