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Chapter 8 Screen Capture, Memory Depth and Waveform Storage
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CSV format contains the basic information of the saved data: save time, file name, data length, sampling interval,
trigger time, source, vertical scale, vertical offset, vertical accuracy, horizontal time base, horizontal accuracy, probe
multiples.
The data and length of CSV files can be saved up to 70K/35K depending on the single/dual channel while being
saved. If the oscilloscope record length or the displayed data length is less than 70K/35K, the data length of CSV
files changes either. For example, when the record length is set to 14/7/3.5K, there will be 7000 sample points in the
dual channel CSV file.
Max and Min in CSV files
If running Min or Max measurements, Min and Max values displayed on the measurement results screen may not
appear in CSV files.
Explanation: If the oscilloscope sampling rate is 1GSa/s, sampling will be once every 1ns. If the horizontal scaling
is set to 10us/div, the data of 140us will be displayed (because there are 14 divisions on screen). To find the total
number of samples, the oscilloscope will perform: 140us×1GSa/s=140K sampling, which require the oscilloscope
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