User manual

DSO-2020 USB
and III quadrant, . If the main axis is at II and IV quadrant, θ must be in the range of
(π/2~π) or (π~3π/2).
4.4 Taking Cursor Measurements
Use cursors to make time and amplitude measurements on a waveform quickly.
Measure the Peak Frequency or Time of the First Sine Waveform
Do these steps:
1. Click “Cursor->Source”, select CH1 (select CH2 if you want measure CH2).
2. Click “Cursor->Type”, select Vertical.
3. Push left mouse button, and the vertical lines appear.
4. Drag the mouse button to the point you want to measure.
5. Release the left mouse button, the frequency difference and time difference will be
shown at the status bar.
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