Thanks I think I got it setup (my program measurements are the same as the WaveForms GUI running the same test).   Another question: Is there a way to setup the Analog channels to record the data after a trigger on a one-shot acquisition. On the digitial side, I use  FDwfDigitalInTriggerPositionSet(hdwf, cSamples) is there an equivalent on the analog side (hence I can time-sync/event-sync the analog and digital). I think it's the analog scenario of this, but I don't want to use the ent