Tektronix TDS1000B Series Operator's Manual page 247

6
Using Menu Function Controls
10. You will see a waveform similar to that shown in
Figure 6.2.
Figure 6.2: A noisy variable amplitude signal with glitches
acquired with the Peak detect and scan display modes
Note that random glitches appear on the waveform. These
glitches are not visible in the Sample acquisition mode. Try
selecting the Sample mode and then the Peak Detect
mode to view the difference.
TDS1000B and TDS2000B Series Oscilloscopes – Operator Training Kit 6-11