Keysight E8267D User Manual page 194

Analog Modulation
Configuring Pulse Modulation (Option UNU/UNW)
— An external pulse source as the pulse trigger:
— PSG1 as the internal pulse source:
3. You can adjust the relative timing of the PSG pulses using the Pulse Delay
180
Set the trigger mode to Internal Trigger for both PSGs by selecting the
Pulse hardkey, and then selecting the Pulse Source and Internal Triggered
on PSG 1 and PSG2.
a. Set PSG1 trigger modes to Free Run by selecting the Pulse hardkey,
then selecting the Pulse Source and Int Free-Run softkeys.
b. Set PSG 2 trigger to the Internal Trigger mode by selecting the Pulse
hardkey, then selecting the Pulse Source and Internal Triggered
softkeys.
softkey on each PSG.
Keysight E8357D/67D & E8663D PSG User's Guide