HP 8566B Adjustment Manual page 195

3. Preliminary Display Adjustments (SN 3001A and Below)
32. Use the oscilloscope [@iGJ markers to measure the risetime,
falltime, and percent overshoot of the pulse waveform. Rise
and falltimes should be less than 50 ns and 90 ns respectively.
Overshoot on the rise should be less
divisions).
33. Set the spectrum analyzer LINE switch to STANDBY, and center
potentiometers AlA4R7 X POSN and AlA5R7 Y POSN.
34. Disconnect the oscilloscope channel 1 probe from the spectrum
analyzer. Remove the Display Adjustment PC board from the
Replace the A3 Section cover and cables.
35. Perform Adjustment Procedure 4, Final Display Adjustment (SN
3001A and Below).
than 5% (approximately 0.4
Adjustments 3-55