Products > Test Equipment

Oscilloscope Zoom Out Quirk

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Martin72:
No Sir and it´s getting better…
On livechat I´ve told them, well when delivering with UPS, you should be better deliver to the company I work.
No problem they repeat, just tell us the adress.
I´ve told them…
Yesterday I got a new status, it is on it´s way…
To my private adress... :P

EEVblog:

--- Quote from: Martin72 on June 14, 2020, 07:46:26 pm ---
--- Quote from: EEVblog on June 11, 2020, 02:57:29 am ---

--- End quote ---

Just seen it now..
If I understand it right, they (siglent) sacrifice the manual handling of the full memory for permanent active history ?

--- End quote ---

Yes, correct.
Other scopes on the market like R&S allow your to do both without problem.


--- Quote ---It´s a little bit confusing me, because manual "says" the number of stored frames are depending to the timebase setting.
So as you actual got different memorypoints depending on the timebase, you also would have different amount of frames which will be stored.
So what do they do with the 200 mpts ?
--- End quote ---

They fill up the 200M with as many frames as will fit based on the current timebase. You get no say in it, and you can't disable it.
You can kinda-sorta get around it by setting a slow timebase setting and using using zoom mode.

rf-loop:

--- Quote from: nctnico on June 14, 2020, 10:00:23 am ---
--- Quote from: tautech on June 14, 2020, 09:47:39 am ---
--- Quote from: Elasia on June 14, 2020, 09:02:58 am ---
--- Quote from: tautech on June 13, 2020, 10:40:46 pm ---Way ahead of you on this.......any capture first needs available memory .......but it's already assigned for post trigger History !
Zoom out capture memory depth requirements cannot grab memory from thin air...it's already being used...post trigger !
So to implement capture zoom out another memory management strategy need be developed and this is being discussed privately.

Got a clever plan, we're all ears.  :popcorn:



--- End quote ---

And yes it needs memory... so where is it getting that memory in zoom mode? It was already assigned to buffering.. because the user said they wanted zoom mode.. this is zoom mode without all the fancy UI..  hell.. use the zoom button for it and just make a right side UI control panel for it.. aka another zoom ui if hiding the other parts.. then let the user default that mode if they choose

--- End quote ---
Seems I missed the full meaning of you earlier post but rf-loop didn't and it seems a very valid solution.  :-+

--- End quote ---

No. Just like you rf-loop doesn't even understand the actual problem at hand. With rf-loop's solution you still lose the zoom function for it's intended purpose. Dave did mis-name this thread by calling the behaviour a quirk; the zoom-out feature actually is there by design in other oscilloscopes. Before making any other comments take the time to study user manuals and watch videos on how oscilloscope's from the competition work and try to understand why they work that way. Or just wait until Siglent fixes the firmware. You'll see there will be zero impact on existing functionality. I really don't understand why you are so opposed on improving the product you are selling.  :palm:

--- End quote ---

No. No and No!

In this place I ask... what are you smoking if you  can not  imagine how this solution work and so that then it can keep BOTH kind of working principle in same scope just so that user normal run with fixed mem length in full window zoom mode like ancient DS1052E) and after then when he stop scope he can zoom out... zoom out like its is some miraculous feature. Like in your scope you can zoom in and out and pan  and go to other position details or less details, up to you how much you want zoom in or out. But after this @elasia based solution it also keep opportunity that also in run mode you can also zoom out up to full memory length displayed and NEWER drop situation where something is out from display and whole trace available only in stop mode. With this simplest solution you get all together up to you how you want setup and use your scope. With my poor language skills, I cannot explain it in such a way that you too can perceive it in practice. Try make model using carton, scissors and glue and pen.

If you use this kind of (improved Siglent) scope I can ask, what functionality you are then missing. Perhaps you need then desperately try find new arguments or move the goal in middle of the game.

nctnico:
Please read all of my posts on this topic. I have explained very clearly why and how zoom mode is NOT the solution. And if you think carefully about it then you'll also see that by using zoom mode to force the memory length you sacrifice the zoom function (delayed / dual timebase) as well. Also, don't get stuck in old grudges and be blinded by them (same problem Tautech has). Currently Siglent is missing a memory management feature which is easy to add and it seems they are working on it right now.

Gandalf_Sr:

--- Quote from: nctnico on June 15, 2020, 10:12:19 am ---Please read all of my posts on this topic. I have explained very clearly why and how zoom mode is NOT the solution. And if you think carefully about it then you'll also see that by using zoom mode to force the memory length you sacrifice the zoom function (delayed / dual timebase) as well.
--- End quote ---
Translation; you are wrong I am right, please don't ask me to justify why I am right.


--- Quote from: nctnico ---Also, don't get stuck in old grudges and be blinded by them (same problem Tautech has).
--- End quote ---
Pot calls kettle black.


--- Quote from: nctnico --- Currently Siglent is missing a memory management feature which is easy to add and it seems they are working on it right now.

--- End quote ---
Translation; Siglent produced a product lacking a function that seems to defy logic in why anyone with a basic grasp of reality would not use such a vast amount of memory to be able to zoom out.  But hey, don't worry, the Siglent coding cavalry are about to ride over the hill and rescue us all....

On the brighter side, at least you didn't say we were all "stupid" for not agreeing with you.

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