Representative machines with voting functions and channel selectors allow participants to speak, register requests, listen to others and vote. It provides sockets for connecting pluggable microphones (DCN‑MICS and DCN‑MICL, which need to be ordered separately). The device has five voting buttons for all voting types. The yellow light above the voting button can be used to prompt the user to register, start voting and confirm voting. When the LED indicator of the device's presence lights up in yellow, it means that the representative is present at the meeting. The device has a built-in channel selector and is therefore suitable for meetings where discussion is conducted in multiple languages and simultaneous interpretation is provided. The channel selector includes the up and down channel selection keys and a display that displays the language number and abbreviation so that the user can quickly select the desired language channel. Basic function, reduce the headphone output volume to prevent to produce acoustic feedback (when listen to basic language and when open the phone activation), a built-in speakers will mute when the receiver opened, to prevent to produce acoustic feedback, the device can be used as a representative, chairman of machine (DCN ‑ DBCM button, chairman of the need to separate order) or with auxiliary button on behalf of the machine. Multi-purpose auxiliary button, for example, can be used to call for service staff, available cable clip (DCN ‑ DISCLM, requires a separate order) to lock loop control cable and light, a light above five voting button, the device/representative indicator, alphanumeric display, so that by number and channel name abbreviations to choose language, microphone button with red, green or yellow light-emitting LED lights. The red table shows that the microphone is activated, the green indicates that the speech request has been accepted, and the yellow table shows "VIP". , when representatives to join the notebook list, VIP indicator light will light up (only when using the PC software available), the headset volume control button, hidden "De ‑ init" switch interconnection, used for pluggable microphone socket, two 3.5 mm (0.14 inch) stereo headphone jack socket type, 2 meters (78.7 inches) cable, End with a molded six stitches circular connector, six stitches circular connector to loop connection certificate and approval certification European CE technical specification electrical 30 Hz and 20 kHz frequency response headphones 32 ohm load impedance > < 1 k ohm output power 2 x 15 mW / 32 ohms machinery installation desktop (portable or fixed installation) size (high) x width x thick (not including receiver) desktop installation 60 x 210 x 140 mm (2.36 x 8.27 x 5.51 inches) weight 1.15 kg (2.54 pounds) at the top of the black color (RAL) 9017 on the back of the silver-white color (RAL) 9006 order information has the function of voting, channel selector (CN) of DCN - they allow - CN on behalf of the machine has the function of channel selector, voting, pluggable microphone dark of a new generation of DCN system on behalf of the machine. The Chinese version. Microphones are ordered separately. Dcn-dvcs-cn with voting function and channel selector represents a new generation of dark DCN system with channel selector, voting function and pluggable microphone. Microphones are ordered separately. DCN-DVCS hardware accessories DCN- MICS can plug and pull short microphone the new generation DCN system can plug and pull short handle microphone, the length is 310 mm (12.2 inch), silver white. The ordering number is dcn-mics DCN‑MICS‑D. The new generation of DCN system can plug and pull short handle microphones with a length of 310 mm (12.2 inches) and a dark color. Dcn-mic-d DCN‑MICL can plug and pull long microphone. The new generation of DCN system can plug and pull long handle microphone, the length is 480 mm (18.9 inches), silver white. Dcn-micl DCN‑MICL‑D dark pluggable long microphone new generation DCN system pluggable long handle microphone, length 480 mm (18.9 inches), dark color. Dcn-micl-d dcn-dbcm chairman button (10 sets) for the new generation DCN system chairman button (10 sets). Order no. Dcn-dbcm dcn-disclm cable clamps (25 per set) for the new generation DCN system cable clamps (25 per set). Order number DCN - DISCLM