在行场消隐期间传送行场同步信号，使收、发的扫描同步，以准确地重现原始图像。
In the field blanking period of transmission line field synchronizing signal, so that the charge, the synchronous scanning, to accurately reproduce the original image.
同时产生同步、消隐、数据时钟等信号以及实现遥控、屏幕显示的控制功能。
The interface circuit also can produce synchronous, vanished and ensconced, digital clock signal and realize remote control, displaying on screen.
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