Dual representative interface is suitable for user-defined

 embedded installation solutions. It allows multiple functions to be added to meet the needs of the chairman and delegates. These vcn-fc cards are not included with the attached DCN (DCN) card reader. In addition, two independent audio inputs for line input are also provided. Each input can be assigned its own seat number so that dcn-ddi can be used by two representative seats. Through the setting, the dual representative interface can be used as a single representative machine, a dual representative machine, a chairman machine, an attendance / withdrawal device or a venue microphone. The environment microphone of the venue is located in the venue, and it will be turned on automatically when there is no other microphone of the delegate or chairman in the active state. In this way, the interpreter can always keep voice contact with the venue. Basic functions when the corresponding input is turned on, the speaker output will be turned off. The device can be mounted on a desktop, on a wall, or beautifully embedded in the armrest of a desk or seat. The device can be used for handheld microphone (dcn-fhh) or pluggable microphone (dcn-mics, dcn-micl) by working with microphone connection panel (dcn-fmic) and microphone control panel (dcnfmicb). · in addition, the device also provides an interface for connecting LBB 3555 / 00 walkie talkie. Control and indicator lights * three switches per input to perform the following functions: – microphone or line selection – unbalanced microphone input, balanced microphone / line input, or balanced microphone input with phantom power selection – multiple input attenuations can be selected for each input interconnect: 0, 6, 12, or 18 dB + / - 3 DB input level trim potentiometer · Remote control input (switch) and output (LED) to match DCN microphone and control panel. Switch for selecting different dcn-ddi modes: – double delegate – chairman – double delegate, one microphone – double delegate, mute speaker – single delegate – present / withdraw – microphone note to use presence / exit mode, PC control software is also required. Interconnect components · two RJ11 connectors for DCN ￣ fmicb microphone control panel, DCN ￣ fpriob priority panel, dcn-fv voting panel, and DCN ￣ fvcrd voting and card insertion panel. One RJ11 connector for LBB 3555 / 00 walkie talkie. Two balanced audio inputs for line (0 dB) or microphone with / without phantom power (- 60 dB) Signal source (2 8-pin 262 ° DIN sockets) · 6-pin circular connector for loop system wiring · 2 m (78.7 in) cable with molded six pin circular connector at the end. Two 3.5 mm (0.14 inch) stereo jacks are provided for connecting headphones or speaker panels (DCN ￣ flsp).

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