If you expect the signal to swing between 0 and +5V then set the trigger level to somewhere around 2.5V.
As with input coupling the trigger coupling can usually be set to either AC or DC. Perhaps...
I have it set at 4.9V along the right edge of the screen. That's exactly the thing that I haven't totally figured out yet. Sometimes it's there, sometimes it's not.
If you don't know, read up on what Auto/Normal/Single mode actually does. Also, there's no indication of trigger level on the scope screen, where do you have that set?
Published on - 23rd April 2010 19:39
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Re: Scanning encoder debounce on new scope
Wow, I designed those into counting circuits about 45 years ago.....
DaveP Today, 13:04