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Rigol MSO 5000 hardware/software revisions

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NoisyBoy:
02.00.03 is the latest, see the EU or int firmware download site. 

If you have a signal only on Ch 1, and all the others open, and press Auto, does your channel 3 also come on with just noise?

Gandalf_Sr:
I got my budget LA probe system working, only tested channels 0-7 up to 10 MHz so far.  Check out my thread for details (updated pics are in the second post).

NoisyBoy:
Nice!  Love to see more update as you move along in your project.  Perhaps that would allow more people to use the LA feature in the scope, as I don’t recall seeing many posts from actual Rigol LA owners.

sb42:

--- Quote from: NoisyBoy on March 13, 2020, 05:34:30 pm ---02.00.03 is the latest, see the EU or int firmware download site. 

If you have a signal only on Ch 1, and all the others open, and press Auto, does your channel 3 also come on with just noise?

--- End quote ---

Yes if there's an open probe connected to CH3. No if the probe is disconnected or shorted, or if the retractable hook tip is detached. So YMMV I think.

This is on 00.01.02.00.02; not entirely convinced that 01.01.01.04.08 was different.

Edit: forgot to mention - MSO5074, hw rev 01.01.000.

Cerebus:

--- Quote from: sb42 on March 14, 2020, 08:28:10 pm ---
--- Quote from: NoisyBoy on March 13, 2020, 05:34:30 pm ---02.00.03 is the latest, see the EU or int firmware download site. 

If you have a signal only on Ch 1, and all the others open, and press Auto, does your channel 3 also come on with just noise?

--- End quote ---

Yes if there's an open probe connected to CH3. No if the probe is disconnected or shorted, or if the retractable hook tip is detached. So YMMV I think.

This is on 00.01.02.00.02; not entirely convinced that 01.01.01.04.08 was different.

--- End quote ---

Just tried this on mine - 01.01.01.04.08.

Attach probes to 1 & 3. 1 connected to cal out, 3 floating, all channels off. Hit Auto, chans 1 & 3 come on.

Same setup, probe 3 floating but hook tip removed (i.e. all but the last ~3mm of tip shielded) only chan 1 comes on.

So yeah, not a new bug in 00.01.02.00.02, but just the auto setup being very sensitive to the presence of even a small signal on a channel. Repeated the same experiment with chans 1 & 2 - exactly the same result.

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