User Manual
The description of PERF Mode menu (only for the oscilloscope with A in the model
name) is shown as follows:
Set the vertical resolution (A/D)
The description of the Intrpl menu is shown as follows:
Use sine(x)/x interpolation
Interpolation method is a processing method to connect the sampled points, using
some points to calculate the whole appearance of the waveform. Select the appropriate
interpolation method according to the actual signal.
Sine(x)/x interpolation: Connect the sampled points with curved lines.
Linear interpolation: Connect the sampled points with straight lines. This method is
suitable to rebuild the straight-edged signals, such as square or pulse wave.
Figure 4-10 Sine(x)/x interpolation
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