It can display the quantity of positive period, negative period, full period, etc. in channel or set the time period to check if any period if out of the range.
See the mark in below image for starting the statistics.
Figure 1:Statistics
Figure 2:Statistics / Channel selection dialog box
Figure 3:Statistics / Customize dialog box
Figure 4:Condition parameter setting window
Figure 5:Warning parameter setting window
Users also can set the condition and warning parameters in this function. The statistics can calculate the periods meeting the condition.
Figure 6:A1 channel contains the waveform that be out of the condition