Reference >> Pretrigger Samples per Channel

NI-DAQmx C Reference Help

Edition Date: January 2019

Part Number: 370471AM-01

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Data Type: uInt32
Description: 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 Samples Per Channel minus the number of pretrigger samples per channel.


You can get/set/reset this property using:

  DAQmxGetRefTrigPretrigSamples

  DAQmxSetRefTrigPretrigSamples

  DAQmxResetRefTrigPretrigSamples

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