Tektronix Waveform Monitors WFM700 Series - Manual (Page 96)

Reference
WFM700 Series Waveform Monitors User Manual 3- 47
Figure 3- 15: XYZ pulse of Y channel with pass through selected
6. To measure horizontal timing, perform the following steps:
a. Switch to Input A and set the waveform monitor to one line sweep.
b. Use the horizontal position knob to set the SAV pulse to a major
graticule tick mark, or use cursor mode and set a cursor on the SAV
pulse.
c. Compare the timing to the signal on Input B by selecting Input B and
adjusting the fine timing controls to match the timing position of
Input A.