![]() Any ideas? Sure looks like a bug in VISA read or perhaps an incorrectly escaped reply from the scope? Then I tried to figure out what the problem may have been but I didn't get anywhere. I dumped the reply string into a binary file and set the scope to run so it show something else on the screen. ![]() You can see that 45864 bytes were received, which is exactly what was specified by the binary data header (45852 data bytes + 11 header bytes + 1 termination char) This normally works fine but yesterday I was getting a timeout error. Reading out the data in blocks of 65535 bytes until there is no more (see attached vi). I'm connecting to a Rigol DZ1000 Oscilloscope via USB and using the :DISP:DATA? ON,0,PNG command to grab a screenshot. ![]()
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