4 Triggering
138 InfiniiVision 7000B Series Oscilloscopes User’s Guide
TV Trigger
TV triggering can be used to capture the complicated waveforms of most
standard and high- definition analog video signals. The trigger circuitry
detects the vertical and horizontal interval of the waveform and produces
triggers based on the TV trigger settings you have selected.
The oscilloscope’s MegaZoom III technology gives you bright, easily viewed
displays of any part of the video waveform. Analysis of video waveforms is
simplified by the oscilloscope’s ability to trigger on any selected line of the
video signal.
It is important, when using a 10:1 passive probe, that the probe is correctly compensated.
The oscilloscope is sensitive to this and will not trigger if the probe is not properly
compensated, especially for progressive formats.
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