Bill Davy wrote: > I'm slightly surprised that setting the number of samples is not done by a > SetOption() command. Hi, It's possible that you could set "9189" to the value you would give as the argument to I1_TriggerCountedScan(), and then call the normal Trigger, but I'm not 100% sure this will work. > After all, there is a > GetOption(I1_NUMBER_OF_AVAILABLE_SAMPLES) (which they say is read only). This gets the number of parsed samples (ie. patches), not the number of raw samples. Cheers, Graeme Gill.