HP 54600B User, Installation And Service Manual page 66

Set the time base to 200 µs/div, then center the signal on the display
5
with the delay knob (delay about 800 µs).
Press
6
Set the delayed sweep to 20 µs/div, then set the expanded portion
7
over the VITS (delay about 988.8 µs).
Figure 2–28
Second vertical interval windowed on the VITS
, then press the
Main/Delayed
Operating Your Oscilloscope
To analyze video waveforms
softkey.
Delayed
2–39