B&K Precision 2542B-GEN - Manual - Manual (Page 118)

Menu Operation
118
Connect a sine wave signal to the CH1 channel, press
ACQUIRE
→ Mode to select Average mode. Turn the Entry
knob to set the number of averages to 16. The following
two figures show the difference between Normal acquisition
and Average acquisition.
Random noise on the displayed waveform
16 Averages used to reduce random noise