Tektronix MSO5104B

Video trigger autoset
Autoset automatically sets the video trigger controls for the selected format and optimizes the vertical sensitivity and time per
division for viewing video lines and fields. These controls do not appear if you select the Custom format.
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Click Lines or Fields to optimize the settings.
Select the video trigger format
Select one of the predefined video signal formats from the drop-down list:
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525i/NTSC
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625i/PAL
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SECAM
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Bilevel
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Trilevel
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1080i/60
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1080i/50
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480p/60
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576p/50
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720p/30
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720p/50
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720p/60
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875i/60
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1080/24sF
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1080p/24
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1080p/25
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1080p/30
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1080p/50
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1080p/60
Specify the video trigger holdoff
1. Click in the Holdoff field.
2. Specify Holdoff By Time or By Fields.
3. Use the multipurpose knob to change the value.
If you are setting a Custom format, only the By Time control is available.
Select the video trigger polarity
Select either Normal or Inverted polarity.
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Normal. This polarity generally triggers on the negative polarity, since the sync pulse leading edge is negative for most
standard formats.
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Inverted. Use this polarity when probing circuitry that inverts the video signal.
Oscilloscope reference
864 DPO70000SX, MSO/DPO70000DX, MSO/DPO70000C, DPO7000C, and MSO/DPO5000B Series