Guangzhou audio conference control, as the U.S. M9000 features: 
 - Powerful network function and improve peripheral equipment, stable and reliable machine performance; 
 - Luxury C + + version control software, comprehensive support Windows9x/2000/XP/NT operating system; 
 - 8 way independent programmable infrared transmitter interface; 
 - 4 Way I / O interface, connected to the door lock switch or control panel; 
 - Built-in microphone input with 2-way Kara OK Reverb; 
 - 4 way independent programmable RS-232 control interface, RS-232 code to control multiple projectors or third-party communication equipment, such as: signal switches, power controllers, dimmers, card reader, etc.; 
 - Built-in projector bulbs testing time delay circuit, electrically operated screen and full protection of the projector; 
 - Use a key linkage control and management functions; 
 - Built-in 6 × 3 audio / video matrix switch, and the preview function, video bandwidth of up to 100MHZ; 
 - Built-in 4 × 2 VGA interface with 400MHz long drive, 2-way computer audio; 
 - Built-in electric screen, projector delay power supply, equipment supply, power amplifier power control; 
 - Built-in professional digital volume and tone control module; 
 - Can import and export equipment, infrared codes to facilitate the preservation and bulk installation; 
 - Built-in scalability all the way to the network interface; 
 - Built-in RS-232 multiple projector control code; 
 - 2 Way 12V, 1 Road, 5V power supply network; 
 - Built-in computer switch interface;