 
					
				Support discussion, voting and video camera auto-track
Chairman unit priority function
◆ Portable table moving and microphone pipe can be pull out. Extended pipe option
◆ Electric capacity type microphone, equipped with windshield cover
◆ LCD color red/blue (option)
◆ LCD display microphone ID, signal level, battery level, microphone state, control channel, etc.
◆ Equipped with microphone on/off key and indicator
◆ Equipped with 5 function keys to set microphone ID, control channel, LCD contrast and light time
◆ Auto-close: Microphone will turn off automatically if there is no action of this microphone in 99 seconds
◆ Microphone will shut off the power in 60 seconds to save battery power if system communication is error
◆ LCD will display 'IR Signal Weak' if the IR signal is weak when microphone working
Including the functions of the delegate unit, chairman unit has other following functions:
◆ Chairman microphone can turn on any time
◆ In one system microphone just support one chairman microphone and the ID number should be 1
◆ Priority function: chairman can turn off delegate microphone any time
◆ Chairman only mode: Delegate microphone can not be turned on again after chairman microphone press priority button. The chairman need quit this mode first, and then delegate microphone can be turned on again.
| Description | Item | Parameter | 
| Audio channel | Transmission Method | Wireless infrared | 
| Audio Channel | 4 | |
| Carrier Frequency Band | 6MHz-8MHz | |
| Modulation Method | FM | |
| Infrared Radiator Consumption | ±10dBM | |
| Mic Sensitivity | -44dB±2dB | |
| Frequency Response | 100Hz-10KHz | |
| S/N Ratio | >70dB | |
| T.H.D. | <0.5% | |
| Reference Sound Receiving | 10-30cm | |
| Data control channel | Transmission Method | Wireless | 
| Date Channel | 5 | |
| Frequency Range | 915MHz-925MHz | |
| Modulation Method | FSK | |
| Receiving Sensitivity | -85dBM | |
| Transmission Consumption | 10dBM | |
| Communication Rate | 100KBPS | |
| System | Battery | LIP battery 12V/4000MAH | 
| Consumption Rating | 8W | |
| Operating Temperature Range | 0-40 degree | |
| Length of Gooseneck (mm) | 400 (optional) | |
| Dimension (LxWxH) (mm) | 220x155x69 | |
| Net Weight (Kg) | 0.818 (with battery) | 

Professional Background Music System Designer and Manufacturer
Tel: +86 20 3939 0663
E-mail: sales@lyintl.com