Hi Alan, thank you for answer, that's a good idea I will test it. I already saw the 'trigger-mask' feature, and I hope I can use combined with a triggered picture-save, so that this rarely glitch is automatic documented too. But for my measurement problem, I've another solution: I now use a the refe...

Hello, we experience a restriction in using the ' Persistance ' mode of the PicoScope4227. We already scanned the manual, help and this forum, but we did not find any solution. Measurement conditions: - we like to use a long time scan to search for some glitches - the signal is of a 1 Hz-SquareWave-...