Bosch CCS 800 Ultro Especificaciones descargar pdf (Pagina 35)

CCS 800 Ultro Discussion System | Architect and Engineering Specifications | 31

Architect and Engineering

Specifications

1. CONTROL EQUIPMENT

Control Unit with recording and digital acoustic feedback

suppression

The CU shall have a built-in recorder to digitally record a

discussion to any type of SD Card. The graphical display

shall show the status of the recorder and the accompanying

buttons shall be used to configure the recorder. As an

option, the recording shall only be active when a

microphone is active.

The SD Card shall be removable from the CU and shall be

possible to process on a PC for transcription purposes; the

recordings shall also be retrievable by connecting a PC to

the CU’s USB. The recordings shall be playable back to the

monitor loudspeaker or to delegate’s loudspeakers. An

audible beep and a flashing LED shall indicate when the SD

Card is almost full and the user needs to replace it with a

new card.

During recording it shall be possible to exchange an SD card

without the loss of any recorded audio.

The Control Unit (CU) shall have an incorporated digital

acoustic feedback suppression facility based on pre-active

algorithms (feedback is not heard). Other included features

for managing the number of active microphones and

determining the operating mode, without the need for a

central operator, should be available.

It shall be possible to connect external equipment to extend

the system capabilities. There shall be a built-in

loudspeaker and headphone connector to allow the

conference to be monitored by, for example, a

stenographer. It shall interface the following equipment to

the discussion system:

•

Tape recorder - for recording and playing back meetings

and discussions

•

External PA system - for transmitting the proceedings to

an audience in the same room or an adjacent room

•

External wired or wireless microphone - for use by guest

speakers or for audience participation. Note: The

external microphone shall be muted when the priority

button on a chairman unit is pressed, and when the

system is operating in ‘chairman only’ mode

•

Audio equipment - for providing background music

•

Telephone coupler - for allowing a remote delegate to

take part via telephone

The following five modes shall be selectable using a rotary

control on the unit’s front panel:

•

Open mode with auto-switch-off - shall allow selection

of the number of microphones, from one to four, which

can be simultaneously active. If the delegate does not

speak for 30 seconds, the microphone shall

automatically be switched off. It shall also be possible

to switch microphones off manually

•

Open mode without auto-switch-off - shall allow

selection of the number of microphones, from one to

four, which can be simultaneously active

•

Override mode - shall allow delegates to override each

other simply by activating their microphones. It shall

only be possible for one microphone to be active at any

one time. Note: In override mode, delegates shall not be

able to override chairmen

•

Chairman only mode - shall only allow chairmen to

speak. It shall not be possible to activate delegates’

microphones, even if no chairman is speaking

•

Test mode - shall be used to check that the system

connections have been made correctly. All microphone

ring and contribution unit LEDs shall light up if the unit

is properly connected

The CU shall have the following controls and indicators:

•

Mains on/off switch

•

Microphone-mode switch for selecting one of four

modes (plus test mode)

•

Rotary loudspeaker volume control for setting the

output level of loudspeakers of contribution units. This

control shall also determine the maximum level for the

headphone outputs of contribution units and CU

•

Monitoring volume control of CPSU loudspeaker or

headphones

•

‘Power on’ green LED indicator

It shall provide the following facilities:

•

Control for 150 units

•

Mains input connection

•

Two trunk outputs for loop-through connection of

contribution units. It shall be possible to connect 25

contribution units to each output. The maximum cable

length shall be not less than 100 m (109.3 yards). 150

contribution units can be connected in one system

•

Microphone input with gain adjustment for connecting

an external microphone

•

Recorder input and output with gain control

•

Line input and output for connecting a PA system or

background music source

•

Telephone coupler input and output for connecting a

telephone line. The input signal shall be isolated from

the output to prevent echoing

•

Insertion connector (with by-pass switch) for

connecting external audio processors

•

One 3.5 mm (0.1 in) stereo headphone socket

•

On/off switch for digital acoustic feedback suppression

facility

It shall be suitable for use in portable or fixed mountings. It

shall be 84 mm (3.4 in) high, 361 mm (14.2 in) wide and

143 mm (5.6 in) deep.

Control Unit with recording

This unit is identical but without digital acoustic feedback

suppression facility.

Control Unit with digital acoustic feedback suppression

This unit is identical but without recording.

Control Unit

This unit is identical but without recording and without digital

acoustic feedback suppression facility.

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Bosch CCS 800 Ultro Especificaciones Pagina 35

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