User manual

DSO-2020 USB
3.3 Set Horizontal System
The following figure shows the Horizontal System window. It shows the horizontal
parameters settings.
1. Time/DIV: leads the setting of the time base parameters
2. Format: leads the setting of the horizontal format parameters
The time base ranges of the oscilloscope is listed as follows. The horizontal scan speed is
from 4ns/div to 1hour/div.
In the “Format” menu of the “Horizontal” menu, select the display mode to Y-T, X-Y.
3.4 Set Trigger System
Click “Trigger” in main menu
The trigger determines when the oscilloscope starts to acquire data and display a
waveform. When a trigger is set up properly, it can convert unstable displays or blank
screens into meaningful waveforms.
If the oscilloscope wants to acquire a waveform, it collects enough data so that it can draw
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