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| Siglent Technologies SDS1202X-E 200 mhz Digital Oscilloscope 2 Channels |
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| bdunham7:
--- Quote from: 13hm13 on February 20, 2023, 06:55:25 am ---I don't have lot of time to invest in this experiment. --- End quote --- What I proposed will take you 2 minutes to set up at night and 30 seconds to check in the morning. And stop unplugging your DSO before you shut it down, that's not the proper way to use it. Do you yank the plug out of the wall on your computer or LCD TV and expect it to go right back to where it was when you plug it back in? After all, my old RCA Colortrak would do that just fine.... |
| 13hm13:
--- Quote from: tautech on February 20, 2023, 07:57:55 am --- --- Quote from: 13hm13 on February 20, 2023, 06:55:25 am ---Bottom line: After the 1k square wave looks good, square and steady ... and I unplug the device as is ... and re-plug and pwr on, a day or two later, with the probe still connected to 1k test tap, the Siglent should show the SAME steady 1k square wave, EXACTLY as when I pulled the plug. My Tek 465 can do that. --- End quote --- There is your problem, you MUST power down with the front panel button for this scope to save settings. I mentioned this 2 days ago. :horse: --- End quote --- Sorry to confuse you. Again. And again. Come on, man ... how careless do you assume quotidian experiments are? No, I'm not as presumptuous as you assume in your preachings : By "as is", I only meant with the probe connected to the 1k tap. I always use the pwr button to OFF the Siglent, and wait for the black screen, before unplugging. Just like w/my Tek--use it's pwr button, but that one is always left plugged in unless I have to move it. IAC ... After overnight cycle ... the Siglent seems to be behaving upon start. "Fascinating!" |
| bdunham7:
--- Quote from: 13hm13 on February 20, 2023, 07:44:53 pm ---Sorry to confuse you. Again. And again. Come on, man ... how careless do you assume quotidian experiments are? --- End quote --- As careless as your communications, perhaps? Given your setup as pictured and assuming this is at power-on with no adjustments, I've no idea why you would have "horizontal rolling" on startup at times. As for the probe compensation pattern issue that you were originally complaining of, you would likely need to have the probe set for 10X to observe such a problem. I explained this in an earlier post. I'm squinting and guessing, but it looks like your probe is set for 1X. And it looks like you have AC coupling on, although we can't read the screen at all. |
| tautech:
--- Quote from: 13hm13 on February 20, 2023, 07:44:53 pm ---No, I'm not as presumptuous as you assume in your preachings : By "as is", I only meant with the probe connected to the 1k tap. I always use the pwr button to OFF the Siglent, and wait for the black screen, before unplugging. --- End quote --- :-+ --- Quote ---After overnight cycle ... the Siglent seems to be behaving upon start. "Fascinating!" --- End quote --- :clap: :phew: Now if you could just learn to use it DC input coupled and only use AC coupling when required I'll leave you to enjoy learning the capabilities of these fine little DSO's. :popcorn: |
| 13hm13:
--- Quote from: bdunham7 on February 20, 2023, 08:21:29 pm --- --- Quote from: 13hm13 on February 20, 2023, 07:44:53 pm ---Sorry to confuse you. Again. And again. Come on, man ... how careless do you assume quotidian experiments are? --- End quote --- As careless as your communications, perhaps? Given your setup as pictured and assuming this is at power-on with no adjustments, I've no idea why you would have "horizontal rolling" on startup at times. As for the probe compensation pattern issue that you were originally complaining of, you would likely need to have the probe set for 10X to observe such a problem. I explained this in an earlier post. I'm squinting and guessing, but it looks like your probe is set for 1X. And it looks like you have AC coupling on, although we can't read the screen at all. --- End quote --- Excuses, excuses. And if I did post a video of the rolling, many of you would pontificate that I did not use some sort of Siglent "Print" button (video mode). Beyond weirdness y'all are ;) BTW ... about the "unplugged as is" remark many of y'all jumped on me fer .... 'cuz, ya know, y'all ain't capable of thinkin; outside that "box". Well, that got me to thinkin' outside ... and inside ... da box. The Siglent SHOULD be able to recover from a power outage. Recover and RESUME like nothin' had happened. Plug-n-play, baby! Maybe I'll experiment with that. |
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