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New Rigol HDO1000 12-bit DSO - BUGs

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TK:

--- Quote from: Martin72 on November 14, 2022, 07:50:04 pm ---Do you think this is a bug?
Then all scopes I know have this bug.

--- End quote ---
Not the Keysight.  It updates the waveform during vertical positioning

Martin72:
That´s right, I don´t know keysight scopes..

markone:

--- Quote from: Martin72 on November 14, 2022, 08:40:56 pm ---That´s right, I don´t know keysight scopes..

--- End quote ---

You do not know also my GWINSTEK GDS-2072E, as i already said, it updates screen during vertical trace positioning, and it is a toy, so no need to mention expensive DSOs like Lecroy or Keysight.

What i saw in Steve video is an utterly frozen trace dragged on the screen, AFAIK this happens also with the 5K euro HDO4804  :--


2N3055:

--- Quote from: TK on November 14, 2022, 08:36:49 pm ---
--- Quote from: Martin72 on November 14, 2022, 07:50:04 pm ---Do you think this is a bug?
Then all scopes I know have this bug.

--- End quote ---
Not the Keysight.  It updates the waveform during vertical positioning

--- End quote ---

Are you sure? Because MSOX3000T (it cost 3x more than HDO4804) stops triggering when you move vertical on a channel. It stops updating as long as you move it around quickly. It restarts without any delay so as soon as you stop moving it is back but stops while moving. You are moving last, frozen, capture up and down until you stop moving knob. And then it resumes.

And what is practical purpose of "updating while moving"? In what way is that useful? Or it has to be that way because CRTs do that (by nature of being analog) so it is "a right way"...

I couldn't care less if scope stops triggering completely (3000T stops ) because you are moving things on screen.
Scope simply waits for you to decide what command you will give it so it can resume doing that with new parameters.

That is a non problem.

TK:

--- Quote from: markone on November 14, 2022, 09:32:27 pm ---
--- Quote from: Martin72 on November 14, 2022, 08:40:56 pm ---That´s right, I don´t know keysight scopes..

--- End quote ---

You do not know also my GWINSTEK GDS-2072E, as i already said, it updates screen during vertical trace positioning, and it is a toy, so no need to mention expensive DSOs like Lecroy or Keysight.

What i saw in Steve video is an utterly frozen trace dragged on the screen, AFAIK this happens also with the 5K euro HDO4804  :--

--- End quote ---
I have a toy Keysight EDUX1052A and it updates screen during vertical trace positioning.  I think the issue is not that it is useful or not for the scope to update the screen during repositioning of traces, but it shows how the SW is working inside and synchronizing all its modules concurrently.  The fact that some operations need to be frozen, means concurrency is not correctly implemented and taking advantage of the powerful CPU cores and it's communication with the FPGA and it also causes freezing and application reloads.  It is my humble opinion, as a software engineer.

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