I'm sure the answer must be that I totally misunderstood something or failed to set some setting, but I've spent days on this and can't figure it out. I'm using the WaveFormsSDK via C-sharp from a server (what will be a calibration service) to be controlled by a client, currently trying to get surge pulses to trigger an acquisition on AnalogIn (first channel).  I can make it work just fine in WaveForms, so I know that the signal path is okay, the settings reasonable, etc.  I've tried to set