The Quinta MU 21 delegate microphone unit is equipped with one microphone button in the housing with which the participant can switch the microphone on and off. With the Automatic Channel Allocation function the transmitting channels of the microphone units are allocated automatically. When the microphone button is pressed in the manual operating mode the request-to-talk is received by the control unit (a possible external dual colour LED will illuminate red).
Then the control unit checks which of the available receiving channels is free. Then the control unit informs the microphone unit which channel it should use for transmitting. When the channel of the microphone unit is set and checked by the control unit, the microphone is switched on. The ready-to-talk status of the microphone is also indicated by the red LED ring around the gooseneck microphone. In the Requestto-Talk-mode of the discussion system the request-to-talk is received, but the microphone is not switched on.
The red LED indicates that the request-to-talk has been received. The microphone is switched on by the operator at the PC by using the “Quinta Conference” software or a media control system. When the microphone button is pressed once again, the delegate clears his/her request-to-talk.
Depending on the configuration with the “Quinta Conference” software the following operating modes are available: Override: the first microphone is switched off, when the maximum number of switched on microphones is exceeded. Voice activation: the microphone is switched on, when someone speaks into it. Push-To-Talk: the microphone button is held down, while the participant is speaking.
The integrated loudspeaker reproduces the audio signal of the whole conference system. Depending on the audio signal routing in the control unit the loudspeaker can reproduce other audio signals such as a wireless microphone in the auditorium.
Microphone Not Included ( Image 2 is a visual example).
Direct Sequence Spread Spectrum (DSSS) provides high immunity from interference and unauthorised listening, even when using other radio systems
Wireless transmission with integrated True Diversity antenna technology for transmitting and receiving.
Three selectable frequency bands : 2.4 / 5.2 / 5.8 GHz
Automatic or manual silent change to an interference-free frequency response acc. to EN 3000328 ETSI.
Automatic recognition of interferences in all frequency ranges
Processor-controlled and automatic audio channel allocation of the microphone units.
Digital 128-bit encryption and additional 24-bit PIN code against unauthorised listening.
Removable gooseneck microphone with Scudio® technology in different lengths, 5-pin XLR connector with hidden lock
Red LED ring around the gooseneck to indicate the ready-to-talk status of the microphone.
Soft touch silicone buttons with backlit illumination in 3 colours.
Frequency range. . . . . . 2400 – 2483.5 MHz 5150 – 5250 MHz 5725 – 5875 MHz
Modulation . . . . . . . . . . . . . . . . . . . DSSS (Direct Sequence Spread Spectrum) and QPSK/BPSK (Quadrature/ Binary Phase Shift Keying) digital signal processing acc. to own standard
Max. number of audio streams. . . . . 4 useable channels per system
Signal-to-noise ratio . . . . . . . . . . . 80 dB typ., (unweighted signal-to-noise ratio) Range between microphone units and control unit . . . . . . > 100 m [109.36 yds] Power supply . . . . . . . . . . . . . . . . . . 100 – 240 V AC 50/60 Hz
Approval . . . . . . . . . . . . . . . . . . . . . world-wide
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