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DSO-X3012A waweform points

Question asked by m786 on Nov 22, 2016
Latest reply on Nov 30, 2016 by m786

I am sending this sequence of commands in order to get waveform data:

':STOP'
':WAVeform:SOURce CHAN1'
':WAVeform:POINts 500'
':WAVeform:FORMat ASC'
xincrement = send_and_readline(':WAVeform:XINCrement?')
signal = send_and_readline(':WAVeform:DATA?')

 

but I am able to get 500 points only when both channels are on, when only channel 1 is on then I got always only 496 points, why?

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