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8-Advanced Function of Oscilloscope
52
8.9 Making Automatic Measurements
The oscilloscope can perform 18 types automatic measurements such as frequency, cycle, average
value, peak-to-peak value , root mean square value, Vmax, Vmin, Vtop, Vbase, Vamp, Overshoot,
Preshoot, Rise Time, Fall Time, +Width, -Width, +Duty, -Duty; and gives two kinds of
measurement results simultaneously on the screen.
The function menu for automatic measurements is described in the following list.
Function menu
Description
Freq Measure the frequency of waveform.
Period Measure the period of waveform.
Mean Measure the average value of waveform.
PK-PK Measure the peak-to-peak value of waveform.
Cyc RMS Measure Root Mean Square (RMS) value of waveform.
Vmax
Measure the Vmax of waveform
Vmin
Measure the Vmin of waveform
Vtop
Measure the Vtop of waveform
Vbase
Measure the Vbase of waveform
Vamp
Measure the Vamp of waveform
Overshoot
Measure the
Overshoot
of waveform
Preshoot
Measure the
Preshoot
of waveform
Rise Time
Measure the
Rise Time
of waveform
Fall Time
Measure the Fall Time of waveform
+Width
Measure the +Width of waveform
-Width
Measure the -Width of waveform
+Duty
Measure the +Duty of waveform
-Duty
Measure the -Duty of waveform
To measure the frequency of waveform with Measurement 1 and the peak-to-peak value of
waveform with Measurement 2, do the following:
1. Press the MENU key and the function menu is shown at the right of the screen.
2. Press the MENU
▲ or MENU
▼ key to select MEAS SET 1. Four options appear at the
bottom of the screen.
3. Press the F1 key to select the frequency measurement. The measurement window on the
screen shows the frequency of waveform.
4. Press the MENU
▲ or MENU
▼ key to select MEAS SET 2. Five options appear at the
bottom of the screen.
5. Press the F4 key to jump to the PK-PK measurement. The measurement window on the
screen shows the peak-to-peak value of waveform.
Now, you can see a screen that looks like the following figure 45.
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