The main function of the control section are: 3. The signal switching control a volume control, playback device control (DVD / VCR, etc.) 2 lift electric projection screen, projector switching, signal selection operation (VGA or video projection content selection, etc.) 4. An imaging fastball zoom and movement control system F. macro control signal switching matrix switcher is designed for high-performance intelligent multi-functional meeting rooms and display high-resolution image signal switching signal and design signal distribution apparatus for switching the output signal on all channels, multimedia conferencing equipment selection, and the products are widely used in large-screen projection display engineering, electronic teaching, command and control centers, multimedia conference rooms and other occasions to random configuration. The meeting discussed the method statement in addition to a general meeting PA system functions, but also has the following control statements: overwhelm modes: the system has only one participant may speak, any time there is a request to speak on behalf of (by "speaking key") all will interrupt former speech and express their views. The Chairman shall interrupt the speaker's statement. Discussion mode: This mode can be set 1-4 individual also has the right to speak, that allows up to four representatives to open microphone at the same time, the most professional multimedia conferencing, exceeds the number of requests will be rejected, multimedia conferencing, even if you press Microphone key also can not open microphone. Discussion mode (with automatic shut down): This mode is basically the same as the above mode, but open do not speak on behalf of the microphone within 30 seconds, the microphone itself off. Chairman of the microphone above the unlimited variety of modes, namely the President of the microphone can be turned on or off at any time multimedia conferencing Jiuhua video _ _ Wuhan governments multimedia conference room provided by the Wuhan Engineering Co., Ltd. Jiuhua video. Multimedia video conference _ _ Jiuhua Wuhan government multimedia conference room video Jiuhua Wuhan Engineering Co., Ltd. (www.jowa-tech.com) this year introduced a new upgrade, the above picture is for reference only, please call or pictures on this page contact telephone number, to obtain the latest information, contact: Mr. Lu.