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| Siglent SDS800 Zoom out question (problem?) |
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| 2N3055:
--- Quote from: nctnico on October 05, 2024, 10:32:50 am --- --- Quote from: electr_peter on October 05, 2024, 08:39:05 am --- --- Quote from: tautech on October 05, 2024, 08:06:45 am ---Why engage the brain when the processing power in the modern DSO is far more powerful ? :-// --- End quote --- Why put blinders on and mentally limit available options from scope suite? :-// Anyway, user chooses process that is most suitable for application at hand, I not arguing what one "should use". --- End quote --- Indeed. :horse: The whole discussion reminds me of when I worked at the local chocolate factory for one day when I was a teenager. I had to pull bars of chocolate onto trays from a conveyer belt using an piece of aluminium. I had to reach out quite far so I used one hand to support myself and the other to rake in the chocolate so my back wouldn't hurt at the end of the day. Boss lady comes around and tells me to use two hands because god gave me two hands. FFS! :palm: :palm: I guess she either never had to do this task herself or just wanted to check my ass when I bent over. --- End quote --- Read my previous post so you don't sound like that lady, talking smack about something you have no clue about. Scope he uses has no "zoom out", not in sense you call it, not like RTM3000. That is why I positively HATE that stupid "zoom out" phrase because it means different thing to different people. And you keep interjecting your agenda to something unrelated, because you are trying to capitalize on something Dave made controversial by giving it undeserved infamy, but based on wrong facts. Whether you like using manual memory mode is unrelated to fact that people keep using Keysight as an example of "zooming out" while it positively proven that scope is INCAPABLE of doing that. It uses exactly the same strategy as Siglent, and captures only screen width. Technically you can put 3000T in Digitizer mode and gain manual memory control. If you ever can, try it. You will try it once and then never use it again. It is useless for general use. |
| Someone:
--- Quote from: electr_peter on October 05, 2024, 07:57:49 am ---@Someone, @tautech, I respectfully would like to ask to read my posts carefully. --- End quote --- If you wouldn't go back and aggressively edit them then you might have a leg to stand on. Correcting yourself and pretending like you were right all along. |
| Fungus:
--- Quote from: electr_peter on October 05, 2024, 07:57:49 am ---Yet my clear statements are ignored to push for "zoom in is better process anyway, so why care about zoom out benefits" agenda. --- End quote --- Welcome to EEVBLOG. |
| Someone:
--- Quote from: thm_w on October 04, 2024, 11:08:13 pm ---Zoom is great but saying its optimal to use when you have a smaller 7" screen, sometimes its not. This is one trace, which is about the limit I'd want to go: [Image of zoom window taking up 1/3 of the screen] --- Quote from: Someone on October 04, 2024, 10:15:53 pm ---Capturing data around the view is an important parameter which the user should be able to choose. Adding memory around the screen reduces the waveform update rate. The nonsense claims of zero downside are plainly false. --- End quote --- So maybe an ideal would have two memory modes: - Auto - Performance - Auto - Capture area --- End quote --- Yes, good points. It is entirely possible to have such civil discourse on the topic! More choices are always better but I'm not sure "auto - capture area" really addresses the need/demand/desires as there is still a sample rate vs capture period tradeoff which would be desirable to control. I'd imagine the following acquisition menu items: Memory Depth Max (numerical) Sample Rate Max (numerical) Capture Around Screen (yes/no) and somewhere in the horizontal control/menu a control to change the ratio/position of the "capture around screen" forward/backwards |
| newbrain:
I'm having a bit of déjà-vu... I'll repeat myself, so you can enjoy that too. This was in early June, and TBH, the more I use it, the more I find the use history or zoom on a longer timebase WoWs give me much better control than the old way - at least for my use cases, mostly looking at modulated signals, or, associated with advanced triggering, checking what happened before of after a specific event on some digital interface. --- Quote ---I recently sold my Rigol DS1054Z and got me a Siglent SDS804X-HD. The first time I tried to "zoom out" (more precisely, increase the timebase) on a stopped capture I thought "Oh, nothing outside the screen, I'll set a larger memory". Did that, and, as we know, no dice. I RTFMed. Always on History mode - mind blown. Literally 10 minutes after getting the scope, I adapted to the different WoW; now I would really reluctantly go back to the old one, if I had to renounce history and zoom mode versatility. But to each their own - at least until facts are correctly explained. --- End quote --- |
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