Re: TDS 380 won't trigger
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Along with an error in level there is a positive offset of around two divisions.
The 'scope will trigger only on line.
At low sample speeds where the trace sweeps across the screen I can see a 10 Hz square wave. When I speed up the sample rate and trigger on line, it occasionally captures the input waveform, but mostly clips in the positive direction, with a clipping warning on the screen. I believe these positive values are independent of what range I am on.
I did check the supply voltages to the main board, all are okay.
Thanks for any thoughts,
On Sat, 23 Jun 2018 at 03:36 Gary Appel <garyappel@...> wrote:
My TDS-380 quit triggering today, along with some other odd behavior. It