You can set the waveform record length (number of sample points in the
waveform record) from 1000 points to 5 million points. A longer (larger)
waveform record is useful to capture several waveform cycles to search for a
waveform of interest, or to capture a great deal of detail for just a few waveform
cycles and then use the Zoom function to search the waveform for areas of
interest.
Each time the oscilloscope fills the waveform record is called a waveform
acquisition, or acquisition for short. Each acquisition stores new sample data
into the same waveform record for that channel.
A waveform record is further divided into acquisition intervals, which are
equally sized groups of samples. Acquisition intervals let the oscilloscope
perform calculations to analyze and display data such as the minimum and
maximum data values per interval, or the average signal value per interval. How
the values in the acquisition interval are used is set by the acquisition mode.
Oscilloscope concepts
38 TBS2000B Series Oscilloscopes User Manual
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