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Multiple realtime views while recording

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Multiple realtime views while recording

Postby d431hood » Mon Jan 11, 2016 1:05 pm

I'm new to the software so I may have missed how to do this...

While recording (Picoscope 3404A) I need to be able to display a long term view (2-3 minutes worth) of a complex wave form along side an updating view of the last 0.5 seconds. Using the zoom function only allows me to see the part of the X-axis selected and doesn't seem to be able to track the wave form front end.

So two views, each with a different time base.....

TIA
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Re: Multiple realtime views while recording

Postby AndrewA » Thu Jan 14, 2016 2:15 pm

Hello,

You can't setup two views with difference time bases, you could try the following-

1. Setup two views.
2. Connected you signal and select a suitable voltage range.
3. Set the trigger to 'repeat' click and drag the trigger diamond to the top right in one of the views.
4. Click on one of the views to select it.
5. Type in the zoom factor in toolbar (next to time/div pull down menu)
6. In the zoom overview, drag the zoom square to right hand end of the box. (click in middle of the zoom square)

zoom setup.png
zoom setup
Regards Andrew
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Re: Multiple realtime views while recording

Postby d431hood » Thu Jan 14, 2016 2:50 pm

Thanks Andrew, I'll try that tomorrow.
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Re: Multiple realtime views while recording

Postby d431hood » Mon Jan 18, 2016 3:01 pm

Unfortunately in my application with a full x axis scale of several minutes the zoom is only populated for a fraction of a second and then disappears, only to be blank again.

If its not possible now could this functionality be considered for a future uplift to the system?
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Re: Multiple realtime views while recording

Postby AndrewA » Thu Jan 21, 2016 9:40 am

Could you try the file attached-
rolling trace with zoom.png
rolling trace with zoom iamge

The zoomed section will be drawn as a thick line until the scope is stopped (as above).
This is a known issue. (The software is drawing less points with the aggregated/down sampled data points)
rolling trace with zoom.psdata
rolling trace with zoom
(1.11 MiB) Downloaded 29 times
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Re: Multiple realtime views while recording

Postby d431hood » Fri Jan 22, 2016 10:25 am

Hi Andrew,

Thank you for the file, I've just tried it.

I don't know what if anything was different in the file from the outcome of the process you detailed in your previous post, but the effect was the same. So unfortunately it didn't solve my problem and didn't display both the long term trend and the short term detailed performance in real time.

Any other ideas?

TIA
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