B&K Precision 2532B - Manual - Manual (Page 82)

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The TRIGGER LEVEL knob controls where on the edge the
trigger point occurs
.
Figure 38 - Rise and Fall Edge
Trigger Holdoff
You can use the Trigger Holdoff function to produce a stable display of
complex waveforms. Holdoff is time between when the oscilloscope
detects one trigger and when it is ready to detect another. The oscilloscope
Note:
● Press the SINGLE button when you want the oscilloscope to
acquire a single waveform.
● Trigger coupling affects only the signal passed to the trigger
system. It does not affect the bandwidth or coupling of the
signal displayed on the screen.
● Normal Polarity Sync triggers always occur on negative-going
horizontal sync pulses. If the video waveform has positive-going
horizontal sync pulses, use the Inverted Polarity selection.