This dcn-concs device is similar to the dcn-con standard representation device, but adds a built-in language channel selector. This makes it suitable for meetings in multiple languages and for simultaneous interpretation. Channel selectors include up and down selection keys and a 2-digit display with backlight to allow users to quickly select the desired language channel. Channel options are automatically limited to the number of language channels available. The flat panel loudspeaker provides minimal acoustic feedback on the super sound effects, thus improving speech clarity. The speaker panel folds easily when the device is not in use. Basic function control and indicator lamp comes with backlit channel number display screen and select key (up/down) of channel selection, device is equipped with earphone volume controls on both sides, the built-in folding panel speaker, the automatic mute when the receiver opened, microphone "on/off" or "a request" button, the speaker at the top of the "open microphone" indicator light, the microphone button at the top of the three color light: - "open microphone" red light - green "speech request" confirm "VIP" indicator lights - yellow. The "VIP" indicator lights up when a notebook is added on behalf of the device and is only available when using PC control software. , five voting buttons with yellow LED confirmation indicator, can be used for registration: - to attend, in favour of (+), against the (-), a waiver (X) (congress) - the Numbers: 1 to 5 (multiple-choice or poll) - level: -, -, 0, +, + + (the response) interconnect components, used for pluggable microphone socket, 2 meters (78.7 inches) cable, end with a molded six stitches circular connector, used for external microphone or wearing a microphone jack, six needle circular connector, used to perform the loop connection, eight needle modular jack connector, used to connect the internal communication radio LBB 3555/00 and external appearances and anti cheat contact, such as fingerprint reader, about 3.5 mm headphone jack (0.14 inches), Type of stereo jack • for connection of 3.5mm (0.14in) external microphone or headset microphone, Stereo jack type certificate and approval certification European CE technical specifications for electrical indicators headphones 30 Hz and 20 kHz frequency response load impedance > 32 ohm output power 2 x 15 mW / 32 ohms wore a microphone frequency response 30 Hz - 20 kHz > 32 ohm load impedance output power 2 x 15 mW / 32 ohms rated mic input level 7 mVrms overload microphone input level > 124 mVrms interface It is recommended that the directional omnidirectional working voltage of the external microphone type (or headphone microphone) component is 62db (0 dB = 1 V/ mbar) when the sensitivity of 5vdc is 1200 ohm. 1 kHz) 100 Hz frequency response to 14 kHz connector is 3.5 mm (0.14 inch) mono or vertical body jack mechanical indexes to install desktop (portable or fixed installation) and embedded installation size (high) x width x thick (not including receiver) desktop installation 50 x 275 x 155 mm (2.0 x 10.8 x 6.1 inches) embedded installation 30 x 275 x 155 mm (1.2 x 10.8 x 6.1 inches) Weight 1.4 kg (3.1 pounds) at the top of the color of carbon black (PH 10736) with silvery white base color (RAL) 9022 panel of carbon black (PH 10736) order information DCN ‑ CONCS Concentus channel selector has the function of voting, channel selector, pluggable receiver of a new generation of DCN system Concentus device. Microphones are ordered separately. DCN- the MICS can plug and pull short microphones. The new generation of DCN system can plug and pull short microphones. The length is 310 mm (12.2 inches). The ordering number is dcn-mics DCN‑MICL, which can plug and pull long microphone. The new generation of DCN system can plug and pull long microphone, with a length of 480 mm (18.9 inches) and a silver-white color.