I am trying to take data with a 5105 PXI scope and put it into a buffer of around 20 seconds. I want to take data continuously and when an event happens, stop the scope manually but have 20 seconds of data previously to the event. I am having a hard time figuring out the best way to start this out. Also, I cannot find any information that describes when to use each of the different types of waveform formats that can be put out by the niScope Fetch WDT vi. Certainly there must be a document somewhere with these recomendations. Thanks!
