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contrast control

television

Learn about this topic in these articles:

influence on television reception

  • colour television picture tube
    In television: Controls

    …channel in use; (3) a contrast control, which adjusts the voltage level reached by the picture signal in the video amplifiers, producing a picture having more or less contrast (greater or less range between the blacks and whites of the image); (4) a brightness control, which adjusts the average amount…

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