My auto trigger does not even trigger when there are pulses... It does for a few moments, then freezes. The frequency reading is reading something.
I have been able to reproduce this bug. I only got it when trigger holdoff is enabled, but it is clearly a different symptom from the "holdoff not working" that was described before. Maybe it is already fixed with the new beta firmware nevertheless? It would be great if the beta testers could check:
Test signal- SDG2042X, connected via BNC into 50 Ohm terminator
- Square wave, 1 Vpp
- Frequency-sweep 10 kHz .. 100 kHz over 100 ms.
- Edit: A frequency sweep from 10 kHz .. 1 MHz over 100 ms will produce the problem much faster.
Scope settings- Start from Default settings
- Connect signal to CH1
- Edge trigger, positive edge, 3 ms holdoff
- Leave timebase at default 1µs/div (but 5, 10, 50 µs/div also show the problem)
- Leave memory at default 10 MPt (but other settings also show the problem)
Observed behaviour- Leave scope in RUN mode, wait up to a minute or so (but sometimes the problem occurs within seconds)
- In AUTO trigger mode, the scope will stop rendering new waveforms entirely. Trigger status shows READY, trigger frequency counter is still updated, waveform is frozen. Operation restarts after any user interaction.
- In NORMAL trigger mode, the error seems rarer, but occurs eventually. Before it does, I noticed sporadic "hickups" , where the trigger status switches to "Arm" and the waveform is not updated for a few thenths of a second.