Specifies the minimum number of pretrigger samples to acquire from each channel before recognizing the reference trigger. Post-trigger samples per channel are equal to SampQuant.SampPerChan minus the number of pretrigger samples per channel.
Long Name: Trigger:Reference:Pretrigger Samples per Channel
Class: DAQmx Task
Where This Property Is Available:
Desktop OS: Windows
Web Server: Not supported in VIs that run in a web application