Acquisition Control 12
Keysight InfiniiVision HD3-Series Oscilloscopes User's Guide 169
Averaging Acquisition Mode
The Averaging mode lets you average multiple acquisitions together to reduce
noise and increase vertical resolution (at all time/div settings). Averaging requires
a stable trigger.
The number of averages can be set from 2 to 65536 in power-of-2 increments.
A higher number of averages reduces noise more and increases vertical resolution.
The higher the number of averages, the slower the displayed waveform responds
to waveform changes. You must compromise between how quickly the waveform
responds to changes and how much you want to reduce the displayed noise on the
signal.
To use the Averaging mode:
1 Open the Acquire dialog box by selecting the sample rate and memory depth
(Acquire) badge or by choosing Setup > Acquire... from the main menu.
2 In the Acquire dialog box, from the Acq Mode drop-down list, select the Averaging
acquisition mode.
3 Select the # of Averages field and turn the Entry knob to set the number of
averages that best eliminates the noise from the displayed waveform.
# Avgs Bits of resolution
2 14
≥ 4 16
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