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"Keyed Rainbow" bars: Standard across manufacturers?
Is there any formal/informal standard to the "keyed rainbow" color test pattern produced by the typical service shop pattern generators? The older RCA/Amphenol/Sencore units or the later Sencore VA62 (without the addon EIA pattern generator accessory).
Wondering if there is an "official" representation of how it should look on a modern vectorscope?
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