用来将电脑连接到电视荧幕, 并以15Khz输出的源码, 请只用在支援15Khz的荧幕上, 以免伤害荧幕-be used for computer connects to a TV screen, and 15Khz output to the source code, is used only in support 15Khz the screen, so as to avoid harm to the screen