Description: * Embedded infrared learning function. No configuration of specialized learning machine is needed. Easy handling, reliable data storage; * Powerful network functions, flawless peripheral equipment, stable and reliable performance; * 8-way independent and programmable infrared emission interface, capable of remote control of multiple infrared remote control facilities; * 4-way I/O interface, connecting magnetically-operated protective switch or locking panel whilst supporting equipment theft protection and alarm; * Built-in 2-way microphone input, with Kara OK reverberation function; * 4-way independent and programmable RS-232 control interface, capable of controlling multiple projectors and third party's communication equipment, such as signal switcher, power supply controller, dimmer and card reader; * Built-in time delay circuit of projector bulb detection, to realize interlock of electric screen and overall protection for the projector; * One-touch gang control management; * Built-in 6x3 video matrix switching, with long-distance pick-up, delivery and monitoring; Bandwidth of video frequency: 100MHz; * Built-in 6x3 audio matrix switching; * Built-in 4x2 VGA interface, with 400MHz line driver, supporting digital TV, DVD and digital product show stand; With 2-way computerized picture synchronization and audio output; * Built-in 2-way network switcher, facilitating network exploration of desk-top computer and notebook; With 1-way expandable network interface; * Built-in electric screen, time-delay power supply of projector, DPS, power supply control of amplifier; * Built-in 2-way professional digital volume and tone color control modules; * 2-way 12V and 1-way 5V network power supply, for long-distance switch, electric control door lock and card reader; * Built-in long distance computer on-off control interface, facilitating remote starting and shutdown management for multiple computers; * Built-in slot of IP phone module, to expand IP phone function; * Luxury C++ control software, fully supporting Windows9x/2000/XP/NT operating systems; *Capable of leading in and leading out infrared device codes; Convenient data storage and mass installation; *Built-in various kinds of projector RS-232 control codes; *This system is applicable to establishing integrated management center among multiple equipment show rooms, conference rooms, or multimedia classrooms.