HP 54600B User's And Service Manual page 123

Service
Adjusting the Oscilloscope
Adjust the channel 1 low-frequency compensation adjustment for as
9
flat a pulse top as possible.
Repeat steps 4 through 9 for channel 2 (channels 2 to 4 on the
10
HP 54601B and HP 54602B).
Figure 4–3
Low-frequency pulse
response adjustments
Low-frequency compensation adjustment locations
4–34