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Why do I get a flat line signal in Vectorscope Display Mode when I apply a 75% or 100% Color Bar Composite Video signal to Channel 1 of my TDS3000 series scope with TDS3VID or TDS3SDI Video module?

問題:

Why do I get a flat line signal in Vectorscope Display Mode when I apply a 75% or 100% Color Bar Composite Video signal to Channel 1 of my TDS3000 series scope with TDS3VID or TDS3SDI Video module?

答案:

The TDS3VID, or TDS3SDI Vectorscope feature only supports Component Video signals. You must apply a Color Difference Component Analog Video signal, for example; Y,Pb,Pr to two input channels on the TDS3000/B Scope which uses XY mode to produce the Vectorscope display.

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常見問答集 ID 59016

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