How does the MSO series to handle acquisition and store/transfer data?

<p>Hi&#160; Afonso and All,<br> 1. Is it possible to transfer data to PC and the scope do the acquisition at the same time? Does the scope working like this now?（ignore dead time)<br> The MSO2 series could not have &quot;roll screen&quot; currently, if the horizontal scale&#160; is long/big enough and above process working parallel, it seems the data will all be stored in the register/storage, is that means we could fetch the data to rebuild the roll screen in the PC software?<br> ah, how to say... for example: if one screen take 2s, transfer data cost 0.5s,&#160; if the scrope acquire&#160;and transfer data 10 times. how much time will the scope need to transfer all the 10 screens of data to PC. about 20S or 25S?<br> <br> 2. Is there a SCPI command to know when the register/storage is updated, I try to use &quot;curve?&quot; continuely and got more screens than the scrope acquired, so it seems some of them are the duplicated data. （RUN/STOP，not sigle trigger mode)<br> <br> 3. How does it working on the other series? such as TBS which have the &quot;roll screen&quot; mode.&#160; Do they acquire and store/transfer parallel?<br> and how is the register/storage working? do they same with MSO series and&#160; just with different display mode?&#160;</p>

And I&#160; found a strange issue that when the sample rate is set to 10MS/s, there seems easy to have errors when query by &quot;curve?&quot;.&#160;<br> but after setting the sample rate up to 50MS/s, the error disappear.&#160; (in RUN/STOP mode to acquire continuely)