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People from 60hz countries often see flicker in 50hz countries for first day, then it goes away for rest of vacation!
By 1980s Tint control hidden in menu and best not messed with as solid state TVs had very accurate burst-Φ lock. To assess ⌂Φ over cable or network one would need a reference signal, chroma stairstep or color bars, on a vertical interval (VI) line and a vectorscope at receiving end. A cheap way would be to have a signal at burst phase in VI at 50% picture level & micro trim Φ with this?
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