SD-7800 Цифровая система конференция Обсуждение

SD-7800 Digital Discussion Conference SystemThis conference system is suitable for application to the conference, academicdiscussion meetings, technical communication, etc.Conference Central processor Unit Power consumption: 100WInstalled in 19-inch frame.Equipped with three groups of 8P-DIN plug for system connecting, normally its workable for 35 units in each circuit.it could be extended to support 250 units microphone with extension power supply unitSupport many kinds of conference mode: Free mode, FIFO mode, and Limit mode.Open mode: All the delegates can give a speech freely.FIFO mode: first in, first out; first indicators, first offers.(1-19 microphone unit)Limit mode: MIC1- 19 limitIndicative sound for chairman unit (optional) 5. Equipped with the port to support telephone coincidence. Can undertake distance telephone conference6. Built-in monitor loudspeaker for volume regulating 7. Digital display and working mode indicator lamp on the panel Chairman Unit The annular red indicator lamp could show the state of the microphoneChairman unit could control the whole process of the conferenceThe chairman unit in the system is unrestricted, can join with any position of the systemThe chairman unit with priority can control the main unit to change the conference mode at any moment to meet the current situationChairman only mode (C. ONLY mode):Turn down the delegate unit by press the priority.A. OFF mode: (acoustic control self-closing feature) No speaking 35 seconds, the unit can automatically shut off Music mode: Indicative sound for the chairman unit (optional).Frequency Response:80-20KHzSensitivity: -30dBDelegate UnitThe microphone has a speaking button and indicator lamp; It can control the state of speechThe annular red indicator lamp could show the state of the microphone frequency response:80-20KHzSensitivity: -30dB