本仪器采用电子电路产生测试圆图视频信号,符合电子工业部制定的测试圆图标准.经同步编码器编码并加上同步信号后,成为全电视信号,可直接接往彩色电视机的解码器,也可送往高频发射机,以射频形式发送.中央电视台和上海等地二十多家电视台,都用该仪器发送测试圆图.该发生器也是电视机生产工厂及维修部门、电化教育单位必备仪器.其主要特性 This instrument uses the electronic circuit to produce the test chart video signal, in line with the Ministry of Electronics Industry to develop the test chart standards.Encoded by the synchronous encoder and synchronization signal, a full TV signal, can be directly connected to the color TV decoder , Can also be sent to high-frequency transmitters to send in the form of radio frequency.China Central Television and Shanghai and other places more than 20 television stations, are using the instrument to send the test chart. The generator is also a TV production plant and maintenance department, The essential equipment of the unit