ADLINK PXI-2208 - Manual (Page 71)

Operation Theory 59
Figure 4-16: Delay Trigger Waveform Generation
Post-Trigger or Delay-Trigger with Re-trigger
Use post-trigger or delay-trigger with re-trigger function when
you want to generate waveform after more than one trigger
events. The re-trigger function can be enabled or disabled by
software setting. In Figure 4-17, each trigger signal will initiate
a waveform generation assuming the data in the data buffer
are 2V, 4V, 2V, and 0V. However, the trigger event would be
ignored while the waveform generation is ongoing.
Figure 4-17: Re-triggered Waveform Generation with Post-Trigger
(DLY2_Counter=0)