SDS800X HD issues and tips

[eTobey]

I just want to post my top list about the bugs/issues i found. I do this in this section, because some folks will probably be offended. Feel free to discuss (in a professional way, with the right questions).
I will (try) to keep this, the links, and the linked posts updated.
Anyone is welcome to send me a message if one wants to add things to the list OR to confirm issues and send them to Siglent, if those are of particular importance.


Issues / bugs:

Ghost traces: (They do trigger the mask test!)
https://www.eevblog.com/forum/testgear/sds800-x-hd-persistence-mask-test-issue/msg5762649/#msg5762649

Cursor measures screenborder
https://www.eevblog.com/forum/testgear/sds800x-hd-bug-reports-firmware/msg5766285/#msg5766285

Moving gate A, changes gate B unintentionally.
https://www.eevblog.com/forum/testgear/sds800x-hd-bug-reports-firmware/msg5523604/#msg5523604

Changing sample rate changes timebase:
Decreasing sample rate (fixed setting) changes timebase, but does not set the timebase back to the initial value, after setting the sample rate to its initial setting.
(1us/div goes up to 500ms/div, but only back to 5ms/div, after the sample rate has been set back to its previous value)

Persistence traces dissappear when selecting only a channel to display its scale:
https://www.eevblog.com/forum/testgear/sds800x-hd-bug-reports-firmware/msg5760405/#msg5760405

Measurement measures wrong edge:
https://www.eevblog.com/forum/testgear/sds800x-hd-featureimprovment-disscusions/msg5470300/#msg5470300

Measurement on less points than acquired (presumably), is not indicated.
https://www.eevblog.com/forum/testgear/sds800x-hd-bug-reports-firmware/msg5527156/#msg5527156

Trigger rate decreases significantly when sample rate is decreased.
ALSO in sequence mode!
https://www.eevblog.com/forum/testgear/why-is-the-trigger-rate-of-my-scope-(sds814x-hd)-changing-in-an-unexpected-way/msg5659165/#msg5659165

File letter case issue
https://www.eevblog.com/forum/testgear/sds800x-hd-bug-reports-firmware/msg5774615/#msg5774615


General tips and workarounds:

Fine adjust for math channels:
It can NOT be set with the knob, but it CAN be set via the menu.

Saving lot of things? Beware of the save button!
https://www.eevblog.com/forum/testgear/sds800x-hd-bug-reports-firmware/msg5776675/#msg5776675

Stop drops capture and measurement fails workaround:
https://www.eevblog.com/forum/testgear/sds800x-hd-bug-reports-firmware/msg5783215/#msg5783215

Overlaying labels issue:
It can be somewhat overcome, by setting offsets, and then realign the trace vertically. In case you want to compare: all have to be the same scale, and the one without offset has to be activated in order to show the proper vertical scale (for all channels). One has to keep that always in mind, or otherwise one would be misslead.
(See picture attached "Labels with offset")

Rollmode Traces vanish after they filled the horizontal scale:
Use Auto trigger mode, and they will stay.


Virtual feature scripts for SDS800X HD (and probably other scopes):
https://www.eevblog.com/forum/testgear/scpi-virtual-feature-fixed-measurement-gates-siglent-sds800x-hd-and-the-like/

[exe]

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