HP 54600B User's And Service Manual page 38

Characterize the glitch with delayed sweep.
3
Peak detect functions in the main sweep only, not in the delayed sweep. To
characterize the glitch with delayed sweep follow these steps.
Press
Main/Delayed
To obtain a better resolution of the glitch, expand the time base.
To set the expanded portion of the main sweep over the glitch, use the
Delay knob.
To characterize the glitch, use the cursors or the automatic measurement
capabilities of the oscilloscope.
Operating Your Oscilloscope
To capture glitches or narrow pulses
. Next press the Delayed softkey.
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