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Siglent SDS2000X Plus - Bugs / Missing Features / Feature Requests

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Performa01:

--- Quote from: cte on December 31, 2023, 04:13:13 pm ---I think I found a bug in sequence mode, when used in conjunction with specific zoom levels and/or timebase.

I have an SDS2104X Plus with Firmware Version 1.5.2R3, CPLD Version 05 and Hardware Version 05-05

Steps to reproduce:

* Apply signal on Channel 1 + 2. I had both channels at 5V/div with 10:1 divider (probably not relevant for bug reproduction).
* Set timebase to 500µs/div.
* Turn on sequence mode.
* Now turn on zoom mode and zoom to 20µs/div.The signals are not drawn to the screen anymore, instead it's endlessly showing "Processing..." in the lower right of the screen. User interface responds sluggish, but you can recover by changing the zoom level away from 20µs/div.

--- End quote ---
I've tried with both Ch.1 + Ch.2 and also Ch.3 + Ch.4, but was unable to reproduce this particular behaviour with FW 1.6.0, HW 02-00.

In General, Sequence Recording can be unresponsive, because the difference to normal mode is exactly that it only acquires the number of specified segments, while not drawing anything on the screen and ignoring most user inputs. On the other hand, I've never seen a "processing" message before in the lower right corner (only "Acquiring..."), so there might be something wrong indeed.

Since I cannot reproduce any of this with FW 1.6.0 I take it that this bug will be solved with the next public firmware version.

rf-loop:

--- Quote from: Performa01 on January 06, 2024, 02:40:14 pm ---
--- Quote from: cte on December 31, 2023, 04:13:13 pm ---I think I found a bug in sequence mode, when used in conjunction with specific zoom levels and/or timebase.

I have an SDS2104X Plus with Firmware Version 1.5.2R3, CPLD Version 05 and Hardware Version 05-05

Steps to reproduce:

* Apply signal on Channel 1 + 2. I had both channels at 5V/div with 10:1 divider (probably not relevant for bug reproduction).
* Set timebase to 500µs/div.
* Turn on sequence mode.
* Now turn on zoom mode and zoom to 20µs/div.The signals are not drawn to the screen anymore, instead it's endlessly showing "Processing..." in the lower right of the screen. User interface responds sluggish, but you can recover by changing the zoom level away from 20µs/div.

--- End quote ---
I've tried with both Ch.1 + Ch.2 and also Ch.3 + Ch.4, but was unable to reproduce this particular behaviour with FW 1.6.0, HW 02-00.

In General, Sequence Recording can be unresponsive, because the difference to normal mode is exactly that it only acquires the number of specified segments, while not drawing anything on the screen and ignoring most user inputs. On the other hand, I've never seen a "processing" message before in the lower right corner (only "Acquiring..."), so there might be something wrong indeed.

Since I cannot reproduce any of this with FW 1.6.0 I take it that this bug will be solved with the next public firmware version.

--- End quote ---

I have reproduced it also with FW1.6.0 (HW 06-05)
ETA: for reproduce this,  mode need be 8bit

Also if Timebase is still 500us/div and zoom window timebase is 500ps/div this same problem exist but now only ifcombination: Interpolation=Sinc, display type=Dots

 "Processing" bar appears and continue infinitely...

later when I get some free time I try find what is procedure how it can repeat... (do it need using some special order or what.) Also never seen this before and I have used Sequence quite lot.
ETA: after Security erase and factory defaults, it happen just simply.
There need be Ch1 and Ch2 on only  OR  Ch3 and Ch4 only. With other combinations I can not reproduce this 


Wintel:
Hi,

Does the FW 1.6.0 will support Math Digital Filter and 4 Math traces (F1~F4)?

rf-loop:

--- Quote from: Wintel on January 06, 2024, 09:48:05 pm ---Hi,

Does the FW 1.6.0 will support Math Digital Filter and 4 Math traces (F1~F4)?

--- End quote ---
Not.

Performa01:

--- Quote from: Wintel on January 06, 2024, 09:48:05 pm ---Does the FW 1.6.0 will support Math Digital Filter and 4 Math traces (F1~F4)?

--- End quote ---
It has been stated several times already that there are not enough HW resources (FPGA, RAM) in the SDS2000X Plus to support any resource-hungry additional features, like math channels as well as the traditional ERES and Average acquisition modes. After all this is an alalysing oscilloscope with deep math and measurements, which does not work on heavily decimated (or even just screen) data.

It is different for the filter math. This has been shown to be operative with a beta version of FW 1.5.2 already, but had to be disabled because the full filter functionality also requires the extended memory management which supports fixed sample rate like on more advanced instruments such as the SDS2000X HD. This feature in turn is not yet ported to the SDS2000X Plus and this is a low priority task, so it might take a while. It is not in the 1.6.0 frmware, but I'd expect the next pulic FW release to be one step ahead.

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