ndscope only plots ~60s of data for live trend of fast channel (16k)
When trying to display a live channel with high sampling rate (16kHz) the trend stops at around -60s. There is probably a buffer with a maximum number of points set in the code (that could be set as a user option...). The missing data from -60 -> -300s (or however far you are trying look) is trying to be filled by fetching the data. I am wondering if the fetch is not executed every seconds with new start and stop times. Since in one second it can't get that much data, the data actually never appears on the screen.