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REVIEW - Rigol DS2072 - First Impressions of the DS2000 series from Rigol

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marmad:
I've now officially changed the names in the new (currently beta) version of RUU so that the trigger actually makes sense ;D

Pasky:
Question on the usage of the DS2072.  I've found one thing extremely annoying issue, but perhaps there's a course/fine setting for the position knob that I'm unaware of.  When changing the vertical scale on the channel, I find it extremely annoying turning the position knob to find my signal again.  When I want to look at a 5V dc signal, and have it set to 50mV, I find myself turning the vertical positioning knob for what seems like forever.  Is there any way to do this faster?  I know you can press the knob button to get to 0V, but even that can take forever going from 0V to 5V in such tiny increments.  Thanks.

marmad:

--- Quote from: Pasky on January 16, 2014, 03:30:31 pm ---Question on the usage of the DS2072.  I've found one thing extremely annoying issue, but perhaps there's a course/fine setting for the position knob that I'm unaware of.  When changing the vertical scale on the channel, I find it extremely annoying turning the position knob to find my signal again.  When I want to look at a 5V dc signal, and have it set to 50mV, I find myself turning the vertical positioning knob for what seems like forever.  Is there any way to do this faster?  I know you can press the knob button to get to 0V, but even that can take forever going from 0V to 5V in such tiny increments.  Thanks.

--- End quote ---

Well, it would be impossible to look at a 5V DC signal centered on the screen at the 50mV setting; the offset isn't big enough:

500uV/div to 50mV/div: ± 2V
51mV/div to 200mV/div: ± 10V
205mV/div to 2V/div: ± 50V
2.05V/div to 10V/div: ± 100V

...but I understand your frustration. The problem is that there's no way to change the point you scale from to the trigger level (like you can for horizontal position). A slightly-quicker workaround is to turn the scale up to the highest level (10V), move the signal all the way down (which, at 10V, is only 6 divs below screen edge: -100V), then turn the scale back to what you want (e.g. 200mV), then slightly up or down from there. This works fairly well for factors up to about 25x - but bigger ones require a lot of spinning the knob again. ;)

Do you have the NI-VISA drivers installed and run Windows? If so, I could make you a tiny utility that will move it for you based on the trigger level.

Pasky:
Yes I do actually and I use your software already, it's such a god send to capture the wave forms so easily so I can share them with my friends and other experts online.  If you could make that tool, something as simple as entering the voltage positioning manually on the PC, I'd be forever grateful, or even add it to your existing software would be awesome as well, no need to have two pieces of software open.

Wim13:

--- Quote from: marmad on January 15, 2014, 05:28:46 pm ---I've now officially changed the names in the new (currently beta) version of RUU so that the trigger actually makes sense ;D

--- End quote ---

Nice, but the point i wanted to make in my last post, T2 is totaly useless, is does nothing
also in your picture above, it makes no difference whatever you set T2 to, it will always trigger..

So the bug is that there is no T2 window, only a T1 window..

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