User manual
DSO-2020 USB
the first cycle in waveform
-Duty Cycle: Negative Duty Cycle = (Negative Pulse Width)/Period x 100%, Measured of
the first cycle in waveform
+Pulse Width: Measured of the first positive pulse in the waveform. The time between the
50% amplitude points
-Pulse Width: Measured of the first negative pulse in the waveform. The time between the
50% amplitude points
3. Clear Measure
Clear all measure items on display screen.
The Measure Display Window:
Note: The results of the automatic measurements will be displayed on the bottom of the
screen. Maximum 8 results could be displayed at the same time. When there is no room,
the next new measurement result will make the previous results moving left, out of screen.
User’s Manual 39