Oscilloscope Functions
USER’S MANUAL 45
1.Options
The user can select a measure source CH1, CH2, CH3 or CH4.
2.Vertical
Maximum: Voltage of the absolute maximum level, Measured over the entire waveform
Minimum: Voltage of the absolute minimum level, Measured over the entire waveform
Peak To Peak: Peak-to-peak = Max –Min, Measured over the entire waveform
Top: Voltage of the statistical maximum level, Measured over the entire waveform
Base: Voltage of the statistical minimum level, Measured over the entire waveform
Middle: Voltage of the 50% level from base to top
RMS: The Root Mean Square voltage over the entire waveform
Amplitude: Amp = Base - Top, Measured over the entire waveform
Mean: The arithmetic mean over the entire waveform
Cycle Mean: The arithmetic mean over the first cycle in the waveform
Positive OverShoot: Positive Overshoot = (Max - Top)/Amp x 100 %, Measured over the entire
waveform
Negative OverShoot: Negative Overshoot = (Base - Min)/Amp x 100 %, Measured over the entire
waveform.
3.Horizontal
Period: Time to take for the first signal cycle to complete in the waveform
Frequency: Reciprocal of the period of the first cycle to complete in the waveform
Rise Time: Time taken from lower threshold to upper threshold
Fall Time: Time taken from upper threshold to lower threshold
+Duty Cycle: Positive Duty Cycle = (Positive Pulse Width)/Period x 100%, Measured of the first
cycle in waveform.
-Duty Cycle: Negative Duty Cycle = (Negative Pulse Width)/Period x 100%, Measured of the first
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
4.Clear
Clear all measure items on display screen.
5.Undo
Undo all measure items on display screen.
Clear Measure
Click “Measure->Clear”.
Clear all measure items on display screen.
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