Central in the multimedia system solutions configured in the control system equipment to achieve the following controls: a variety of functions (1) adjusting the projector, computer / video screen transition, the machine on / off; (2) video recorders, player, recording deck function control, such as; signal switching, volume control, etc; (3) the volume control; (4) a variety of video and computer signals to the projector switch freely; all control operation of these devices are in the control interface control system - were on. WT-3800 is a new technology product. Although it is the pride of the multimedia technology of modern science and technology, but it can only play a supporting role in the classroom teaching, the purpose of the application is to 'assist' teaching multimedia platform equipment, which is decided by the teaching of their own laws, and all technical means for the teaching service must multimedia 3D simulation conference room, if exaggerated the role of multimedia technology in the classroom to the auxiliary on behalf of the owners, it will inevitably lead to people (teachers and students) as an object (modern teaching methods) Battle of multimedia distance training teaching, thus affecting the effectiveness of teaching. Second, change the outdated concept of teaching, courseware adhere to the people-oriented. What kind of multimedia teaching ideas, there will be what kind of teaching behavior, advanced teaching methods once again rests in the hands of teachers concept behind the variation will become "old" educational multimedia presentation tool for 3D display multimedia hall _ _ Wuhan conference facilities provided by the Wuhan Engineering Co., Ltd. Jiuhua video. Video Jiuhua Wuhan Engineering Co., Ltd. (www.jowa-tech.com) strong, credible, in Wuhan of control and adjustment equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving Jiuhua Wuhan innovative ideas will lead into the brilliant video and you work for a better future!