B&K Precision 2542B-GEN - Manual - Manual (Page 191)

Quick Start Guide
191
 Press Type softkey to select Edge trigger type.
 Press Trigger Setup softkey to display the trigger
SETUP menu
 Press Coupling softkey to select HF Reject or LF
Reject coupling mode to reduce the noise from the
trigger channel.
 Press the ACQUIRE key to display the ACQUIRE menu.
 Press the Mode softkey to select Average mode.
 Rotate the entry knob (
) to set the number of averages
that best eliminates the noise from the displayed
waveform.