Triggering on Waveforms

5

Triggering on Video Signals

Triggering on Video Signals

To trigger on a video signal, first select the standard of the video signal you are going to measure:

1Apply a video signal to the red input A.

2

Display the TRIGGER key labels.

3

Open the Trigger Options menu.

Figure 30. Measuring Interlaced Video Signals

4

 

 

 

 

 

Select Video on A to open the

 

 

 

 

 

 

Trigger on Video menu.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

 

 

 

 

 

Select positive signal polarity for

 

 

 

 

 

 

video signals with negative going

 

 

 

 

 

 

 

 

 

 

 

 

sync pulses.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6

 

 

 

 

 

Select the video standard and

 

 

 

 

 

 

return.

 

 

 

 

 

 

 

 

 

 

 

 

 

Trigger level and slope are now fixed.

Observe that the key labels at the bottom of the screen have been changed to allow further selection of specific video trigger settings:

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Image 59
Fluke 192, 199, 196 user manual Triggering on Video Signals, Open the Trigger Options menu