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| Ridiculously small Rigol DS1000z series font size |
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| Karel:
--- Quote from: markone on January 30, 2016, 01:56:37 pm ---I think that DZ1000Z scopes have enough power to be turned in a great remote USB scope, but i would bet that this is not what Rigol want. --- End quote --- I don't think so. Appearantly, Rigol scopes don't have enough processing power and memory to handle USB (or LAN) in a timely matter. The results are low waveform update rates and an eternity to download the deep memory waveform data. |
| markone:
--- Quote from: Karel on January 30, 2016, 02:20:37 pm --- --- Quote from: markone on January 30, 2016, 01:56:37 pm ---I think that DZ1000Z scopes have enough power to be turned in a great remote USB scope, but i would bet that this is not what Rigol want. --- End quote --- I don't think so. Appearantly, Rigol scopes don't have enough processing power and memory to handle USB (or LAN) in a timely matter. The results are low waveform update rates and an eternity to download the deep memory waveform data. --- End quote --- I forgot to mention "slowing or disabling LCD panel display update", as already stated in some previous post. |
| Karel:
--- Quote from: markone on January 30, 2016, 02:54:13 pm --- --- Quote from: Karel on January 30, 2016, 02:20:37 pm --- --- Quote from: markone on January 30, 2016, 01:56:37 pm ---I think that DZ1000Z scopes have enough power to be turned in a great remote USB scope, but i would bet that this is not what Rigol want. --- End quote --- I don't think so. Appearantly, Rigol scopes don't have enough processing power and memory to handle USB (or LAN) in a timely matter. The results are low waveform update rates and an eternity to download the deep memory waveform data. --- End quote --- I forgot to mention "slowing or disabling LCD panel display update", as already stated in some previous post. --- End quote --- Downloading the deep memory waveform data is only possible when the scope is in "Stop" mode. That means, there's no aquisition and there are no display updates. Still, it's ridiculously slow. If they should have put an extra arm controller with Linux, they could probably spit out the data 100 times faster. But, hey, you can't have it all for only 400 bucks. Keeping in mind this price, it's extremely powerfull. |
| markone:
--- Quote from: Karel on January 30, 2016, 04:24:57 pm ---But, hey, you can't have it all for only 400 bucks. Keeping in mind this price, it's extremely powerfull. --- End quote --- Sure i agree, the problem here is that I no longer have the perfect sight i had years ago (GUI fonts would be small anyway, in absolute, i should take it live before purchase) so i was looking for a way to continue to work with it without further degrade my eyes. The remote PC control would be one way as suggested by some other kind members. I do not know details about its internal HW architecture, but i think it would be more a problem related to CPU-FPGA interfacing system than CPU computing power limit, at least upon my personal experience of I/O management with same class embedded processor. The absence of a DMA channel like mechanism between FPGA and CPU would be a good example. I mean, if the system is designed in the rigid way that most of the data exchange happens to be between ADC->FPGA->LCD panel controller with the main processor left to work aside mostly with aggregate and pre-processed data becoming from FPGA, we have the answer for the boring slow transfer speed on USB / LAN interfaces when we require deep data set. I'm also quite sure that there is margin for improvement disabling some task but at the same time i'm also quite sure that Rigols does not will that. |
| MarkF:
I agree that the font is small. But, I believe the real culprit here is the font-family. If you compare the 6's and 9's in this screen capture with the 7x8 pixel Verdana font overlay, you will see that the Verdana font is easier to read even when small. Comparing their 6's, 8's and 9's, you will see that there is only one or two pixels different between them. A font-family where the characters have a larger variation, between the numbers especially, would make a big difference. |
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