• The patent pending “Possible-To-Speak” indicatorLarge light-touch buttons for easy operation
• New elegant, stable casing with loudspeaker
• New microphone specially develope by Bosch to deliver excellent speech intelligibility
• Dual headphone with built-in volume controls

CCS-D-ID a new european design delegate conference unit, enabling participants to speak, register a request to speak, and listen to the speaker. The microphone stem is extremely flexible, so the microphone can be used by delegates sitting on either side of the unit, thus allowing one unit to serve two delegates.

The unit also accommodates two separate headphones, so the speaker can be heard clearly even in situations with excessive background noise. This aesthetically-pleasing unit has a built-in loudspeaker which is muted when the microphone is on to prevent acoustic feedback.

Controls and indicators

• Microphone with red illuminated indicator ring, lights when the microphone is ON
• Bi-color LED indicator above the microphone push button. Red for microphone on, white for Possible-To-Speak indicator (Delegate Unit only)
• Two 3.5 mm stereo headphone sockets, one at each side, for headphone or recorder connection
• Built-in loudspeaker, automatically muted when the microphone is ON
• 7-pole circular female socket for loopthrough connection to the next unit
• 2,5 m flying lead connection cable with sturdy moulded 7-pole circular male connector for connection to the previous unit or CU
• Rotary volume control for headphones only
• Microphone ON/OFF push-button

Interconnection

• 2,5 m (98.4 in) cable terminated in a moulded 7-pole circular connector for connection to delegate unit or CPSU
• 7-pole circular female socket for loop-through connection to delegate units
• Two 3.5 mm (0.14 in) stereo headphone sockets

Note: Both of the above internal switches are accessible by first removing a small plastic plate on the bottom of the chairman unit. If any delegate unit is permanently muted on activation of a ‘chairman priority’ button, the microphone must be reactivated using the ‘microphoneon’ button on the delegate unit.

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• Conference control without operator
• Four selectable microphone modes and a test mode
• Controls up to 150 contribution units
• Interfaces the system with external audio equipment
• Provides power for 50 contribution units
• Built-in listening facilities

The Control and Power Supply Unit (CPSU) is the heart of a discussion system. This versatile unit incorporates a digital acoustic feedback suppression facility, which allows any acoustic feedback (also known as “howling”) to be automatically eliminated.

Other included features are: managing the number of active microphones and determining the operating mode, without the need for a central operator. External equipment can be connected to extend system possibilities. A built-in loudspeaker allows the conference to be monitored (to allow a stenographer, for example, to take notes on the conference).

Discussion control without operator
The CU can be setup to operate standalone without the need for an operator. The following 5 modes can be chosen using a rotary control on the unit’s top panel:

• Open mode – allows selection of one to four microphones (excluded chairmen microphones) which can be simultaneously active
• Open mode with auto-switch-off – allows selection of one to four microphones (excluded chairmen microphones) which can be simultaneously active. If the delegate does not speak for 30 seconds, microphones are automatically switched off
• Override mode – delegates can override each other simply by activating their microphones. Only one microphone can be active at any one time. (Note: In override mode, delegates cannot override chairman)
• Chairman only mode – only chairmen can speak. Delegate microphones cannot be activated, even when a chairman is not speaking
• Test mode –checks if system connections are correct. All microphone light rings and contribution unit LEDs light up to indicate that units are properly connected

Supplies power for up to 50 contribution units
The CU has two trunk outputs for the loop-through connection of contribution units. It is possible to connect 25 contribution units to each trunk output, with a maximum system cable length of 100 m (109.3 yards).

Provides control for up to 150 contribution units
Up to 3 CUs can be used together in a discussion system to power and control a maximum of 150 contribution units. In this configuration a single CU acts as a master controller for the entire system.

Built-in monitor loudspeaker
The built-in monitor loudspeaker and headphone socket allow the conference to be monitored.

Interfaces the system with external equipment
The following equipment can be interfaced to the CCS 900 Ultro Discussion System through the CU:

• 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
  
  

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