Teledyne LeCroy HDO 4000 Getting Started Guide - Manual (Page 26)

923010-00 Rev A
USER INTERFACE 22
The Adjust knob changes the value in any
highlighted data entry field when turned.
Pushing the Adjust knob toggles between
coarse (large increment) or fine (small
increment) adjustments when the knob is
turned.
With Intensity 100% With Intensity 40%
The Intensity button sets the Adjust knob to control the trace intensity.
When more data is available than can actually be displayed, the Intensity
button helps to visualize significant events by applying an algorithm that
dims less frequently occurring samples. This feature can also be accessed
from the Display > Display Setup dialog.