CHAIRMAN MICROPHONE UNIT TO MANAGE MEETING REFERENCE SOUND RECEIVING DISTANCE : 20 ~ 120METER PORTABLE TABLE MOVING AND EASY INSTALLATION MICROPHONE PIPE CAN BE PULL OUT HUMAN ENGINEERING DESIGN USING 24 SAFE VALTAGE FROM MAIN CONTROLLER MUTUAL CONNECTING CABLE : T-TYPE 8PIN DIN JACK USING CONDENSER UNIT ANNULAR RED INDICATOR LAMP DURING SPEECH PRIORITY BUTTON TO TURN OFF DELEGATE UNIT C. ONLY MODE FEATURES SUPPORT THE POWER TO MICROPHONE (MAX 64 UNITS) SUPPORT OPERATION MODE (MODE / NUMBER / SAVE) SUPPORT VARIOUS WORKING MODE FOR MEETING IT IS POSSIBLE TO USE SOFTWARE PROGRAM WITH COMPUTER(OPTION) VIDEO AUTO-TRACK FUNCTION(OPTION) WITH THE PORT TELEPHONE INTERFACE INPUT, TELEPHONE MEETING IS AVAILABLE WITH TELEPHONE COINCIDENCE 13M MAIN CABLE WITH 8PIN PLUGS FOR CONNECTING SYSTEM 19INCH RACK FRAME