Agilent Technologies 8163A User Manual page 220

Applications
220
– <Samples> - the curve will be displayed using dots to represent
each sample of the curve. Depending on the zoom level you
choose, if these dots are very close to each other, the curve will
resemble a line.
Figure 138 Samples Display - <Samples>
Agilent 8163A/B, 8164A/B, and 8166A/B User's Guide, Fourth Edition
Working with Application Graphs