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RIGOL Chapter 4 To Set the Sample System
4-2 DS1000Z User Guide
Acquisition Mode
The acquisition mode is used to control how to generate waveform points from
sample points.
Press Acquire ïƒ Mode on the front panel and use to select the desired
acquisition mode (the default is normal), then press down the knob to select this
mode. You can also press Mode continuously to switch the acquisition mode.
Normal
In this mode, the oscilloscope samples the signal at equal time interval to rebuild the
waveform. For most of the waveforms, the best display effect can be obtained using
this mode.
Peak Detect
In this mode, the oscilloscope acquires the maximum and minimum values of the
signal within the sample interval to get the envelope of the signal or the narrow pulse
of the signal that might be lost. In this mode, signal confusion can be prevented but
the noise displayed would be larger.
In this mode, the oscilloscope can display all the pulses with pulse widths at least as
wide as the sample period.
Average
In this mode, the oscilloscope averages the waveforms from multiple samples to
reduce the random noise of the input signal and improve the vertical resolution.
Greater number of averages can lower the noise and increase the vertical resolution;
while at the same time, it will slow the response of the displayed waveform to the
waveform changes.
When "Average" mode is selected, press Averages and use to set the desired
number of averages. The number of averages can be set to 2, 4, 8, 16, 32, 64, 128,
256, 512 or 1024. The default is 2.
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