Architect’s Specifications

Wireless discussion unit for use as delegate, dual-delegate or chairman unit.Main delegate functions are to speak when the microphone is active or to listen to a speaker via the built-in loudspeaker or via connected headphones.Microphone activity is operator controlled or manually by the delegate when the microphone control button is pressed. Depending on system settings, the delegate is put on the request-to-speak-list when the maximum of active microphones is reached. In dual-delegate situation , the two delegates have individual identified microphone control buttons.

When used in chairman mode, the unit has an extra main function by means of the priority button. With thepriority button the chairman can temporarily deactivatethe microphones of all delegates and activatehis own microphone. Depending on system settings a chime-tone can beplayed when the button is pressed and the speakers- and request-to-speak list can be erased.

The unit has easy replaceable microphone control buttons to convert from single-delegate todual-delegate, or to chairman unit. When in delegate mode, the priority button can also be used for auxiliary control.

It operates in the 2.4 GHz (license free) band with high signal-to-noise ratio. The audio frequency response is 30 Hz to 20 kHz. It is digital protected against interference from other external wireless equipment and against unauthorized eavesdropping. It has automatic microphone-off, search for own network, and switch-off when out of range functions.The headphones and built-in loudspeaker have volume mute function to prevent acoustic feedback when microphone is on.

To be ordered separately are

  • the easy place-able rims available in a range of colors to match interior
  • pluggable microphone with short or long stem, respectively 310 mm, 480 mm (12.2 in, 18.9 in).
  • removable, rechargeable lithium-ion battery pack with 20 hours typical use from a full charge. Fully rechargable in 3 hours. Battery packs are microprocessor controlled to control charging current and to prevent overloading. To test remaining capacity the battery packs have charge capacity LEDs with a push-to-test button
  • Dual buttons in case of dual delegate use.

Interconnections:

  • socket to connectshort stem(310 mm (12.2 in)) orlongstem(480 mm (18.9 in))pluggable microphone
  • 2 x 3.5 mm (0.14 in) headphone sockets (stereo jack type)
  • DC power input(accessible when battery pack is removed for external power supply)

Controls and indicators on front:

  • microphone buttonwith illuminated ring; red (active) or green (request-to-speak accepted)
  • priority button (for chairman control, or for delegate auxiliary control)
  • headphone volume control buttons
  • Two individual sets of headphone volume control buttons

LED indicators on rear:

  • out-of-range
  • battery low

Controls under base:

  • mode select switches (delegate, dual-delegate, chairman, etc.)

High quality plastic with silver (RAL 9022) top and charcoal (PH 10736) base for tabletop mounting.

Dimensions without microphone (Height x Width x Depth) = 61 x 190 x 160 mm (2.4 x 7.5 x 6.3 in).

Weightwithout battery = 500 g (1.10 lb), with battery = 715 g (1.57 lb).

Manufacturer:Bosch Security Systems

Type:DCN-WDD-D