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The dual representative interface is suitable for user customized embedded installation solutions. It allows you to add a variety of functions to meet the needs of conference chairs and delegates. These features include facilities for connecting voting panels (with or without card readers) (dcn-fvcrd and dcn-fv). In addition, it also provides two independent audio inputs that can be used for line input at the same time. Each input can be assigned its own seat number so that dcn-ddi can be used by two representative seats. Through setting, the dual representative interface can be used as single representative machine, dual representative machine, chairman machine, attendance / withdrawal device or venue microphone. The venue environment microphone is located in the venue. When there are no other delegates or chairman microphones active, it will turn on automatically. 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 placed independently on the desktop, installed on the wall, or beautifully embedded in the armrest of the desktop or seat. ? The device can be used for handheld microphones (dcn-fhh) or pluggable microphones (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 to connect LBB 3555 / 00 walkie talkie. Controls and indicators ? 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 attenuation can be selected for each input interconnection: 0, 6, 12 or 18 dB + / - 3 dB input level fine tuning potentiometer ? remote input (switch) and output (LED), Matching with DCN microphone and control panel ? switch for selecting different dcn-ddi modes: – double delegates – chairman – double delegates, one microphone – double delegates, mute speaker – single delegate – attendance / withdrawal – venue environment microphone note: to use attendance / withdrawal mode, PC control software must also be available. Interconnection components ? two RJ11 connectors for connecting DCN ? fmicb microphone control panel, DCN ? fpriob priority panel, dcn-fv voting panel and DCN ? fvcrd voting and card panel ? one RJ11 connector for connecting LBB 3555 / 00 walkie talkie ? two balanced audio inputs, For connecting a line (0 dB) or microphone (- 60 dB) signal source with / without phantom power supply (2 eight pin 262 ° DIN jacks) ? six pin circular connector for loop system wiring ? 2m (78.7 inch) cable with molded six pin circular connector at the end ? two 3.5mm (0.14 inch) stereo jacks are provided for connecting headphones or speaker panels (DCN ? flsp).

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