WaveAce 224 — Mini rant #6: Cursors and auto-measurements

Automatic cursors are supposed to show what and where stuff is measured on a waveform when automatic measurements are used. This is pretty useful, if it works as expected. Suffice to say that it doesn’t always do that – unfortunately.

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2 Responses to WaveAce 224 — Mini rant #6: Cursors and auto-measurements

  1. Jeff says:

    I’m not sure what is not working here. At some point in the video, you zoom in far enough that one of the signal edges is not visible on screen, and the measurement stops working. In my experience this is typical of cursor-based measurements on most digital scopes.

    • robert says:

      Yes, that is a valid point.

      What is not working here:

      I expect the cursors to show up as close to the trigger mark as possible. When zooming out that is not the case. The trigger mark is roughly in the center of the screen, whereas the cursors are “somewhere” on the left. When zooming in further this problem goes away (until out of range).

      Granted, this is not as critical as the bug-ridden trigger system (see other videos), but it is still annoying. I’d prefer the “no cursors visible” option instead of drawing them somewhere on the screen (even if the measured quantity is correct). The fact that it works at a certain range of zoom levels shows that it knows how to do it in principle.

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