Quote:
Originally Posted by old_coot88
Yes, back in the early days of color, it was common for BW programming to be transmitted "in color". That is, even when the pic material was BW, the chroma carrier and burst were still being transmitted. This kept the chroma chain in the TV receiver switched 'on', allowing color artifacts to appear on the BW image. You had to turn the color control all the way down to get rid of them.
Sets had an automatic 'color killer' circuit, but it depended on the absence of the burst signal.
|
Probably why Zeniths had a push pull manual color killer assist switch on the chroma level knob for the first several years of roundys.