6
10) The system power supply for all the delegate units is provided by the main unit at 18 safe voltages.
11) The unit has speaking button and indicator lamp, and control the speaking state freely
12) When opening the unit for speaking, the red indicative lamp will on at the same time, and can points
out the right place the speaker in.
13) Has auto-off function: the microphone will close down automatically after the silence for 45 seconds
14) Electric capacity type microphone, the MIC pipe adopted circle designed, equipped with windshield
cover. Extend pipe optional With SYSTEM D type cable. Has 8P-DIN socket for system “T” type
connecting. Prepare the extended cable according to real situation.
15) The chairman unit has priority button.
16) The chairman units and delegate units are designed by the latest digital technology.
2.1 Schematic diagram of microphone unit
1. MIC speaking button (TALK): Press and the indicative lamp and ring will on means in the state of
speaking, when speaking finished, press the button, the indicative lame and ring will off, turn into the
state of waiting to speak.
2. Lamp ring. It will on when in the speaking state.
3. Chairman unit priority. When the delegate unit in the speaking state, the chairman unit presses the
priority button can shut down the speaking unit, so that to keep the conference order.
4. MIC. Super-electret.
2.2 Operation of microphone unit
a. Delegate unit: Turn on the microphone by press the button (TALK), the red indicator is on, and then
