When I use the function ps2000_run_streaming_ns() I'm using it with the following parameters: ps2000_run_streaming_ns(hScope,1000,PS2000_NS,16000,0,1,16000) As you can see, I am running it at 1000ns per sample (that is, a samplerate of 1million smp/sec), and disabled auto_stop (so that later I will ...