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REVIEW - Rigol DS2072 - First Impressions of the DS2000 series from Rigol

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Wim13:

--- Quote from: marmad on January 14, 2014, 08:02:21 pm ---
--- Quote from: Wim13 on January 14, 2014, 07:49:58 pm ---It is called window, thats is correct but, it is not only in between, but also NOT inside is a window.

--- End quote ---

I understand that - but then I think they choose the wrong name for the Trigger - at least as far as English is concerned. If I'm defining something with 4 sides (two screen edges and the two levels), I think of that as the Window. Perhaps the name Levels would be more appropriate - and a better description of what's happening.

--- End quote ---

yes i do agree with that, entering a level should be more understanding, or crossing a level.

marmad:

--- Quote from: Wim13 on January 14, 2014, 08:04:29 pm ---About your post before: Using the same sine wave, gives the same outcome,

but try a complex signal, a dual tone or something with different hights in it,
then you see the advantage of windowing.

--- End quote ---

But my problem isn't with the trigger - just with the, IMO, confusing/misleading terms used to describe what's happening. But I see now that it's not a "bug" when viewed the way you describe it - I just wish Rigol would clarify it with better terms.

Anyway, I'm happy to remove it from the list on page #1 ;D

EDIT: ...also went back and stuck-out the first post claiming it was a bug.

Galaxyrise:

--- Quote from: Wim13 on January 14, 2014, 07:32:57 pm ---But how to tell, it is in the definition of enter or exit the trigger level.

--- End quote ---

Ah, so you're saying "high" + "enter" means "enter the region above the high threshold" not "enter the region between the thresholds."  That explains why the manual calls it "Windows" (plural) trigger!  Yeah, everything does make sense with that meaning (except the "rising edge of the input" part of the manual.)  Thanks :) 

Wim13:
You can still write it is confusing, i read again the manual, but indeed,

Rigol writes, about the window trigger::

entering or leaving a specific level..., not a window, and there is the confusion

And, it is has a position to the first level T2, and the trigger level T1,
depends on going down or up

marmad:

--- Quote from: Galaxyrise on January 14, 2014, 08:34:57 pm ---Ah, so you're saying "high" + "enter" means "enter the region above the high threshold" not "enter the region between the thresholds."  That explains why the manual calls it "Windows" (plural) trigger!  Yeah, everything does make sense with that meaning (except the "rising edge of the input" part of the manual.)  Thanks :) 

--- End quote ---

It definitively makes more sense when you think of it as 2 Windows with a dead-band - but the definitions are still non-intuitive. When I set a Trigger to happen on a Falling edge - I expect the trigger to take place ON the Falling edge. This doesn't work that way - so the names/terms should be different because they aren't working like every other Falling/Rising edge trigger.

Rigol is also using the same edge icons that they use with triggers that actually trigger on an edge - so not good. They should be different - or the icons should automatically invert depending on ENTER/EXIT selection.

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