User manual

DSO-2020 USB
the waveform to the left of the trigger point. The oscilloscope continues to acquire data
while waiting for the trigger condition to occur. The oscilloscope continues to acquire
enough data so that it can draw the waveform to the right of the trigger point after it
detects a trigger.
The Edge trigger determines whether the oscilloscope finds the trigger point on the rising
or the falling edge of a signal. Select Edge trigger mode to trigger on Rising edge or
Falling edge.
Mode: Select the trigger mode.
The oscilloscope only provides edge trigger mode.
Sweep: Set the sweep mode to Auto, Normal or Single.
Auto: Acquire waveform even no trigger occurred
Normal: Acquire waveform when trigger occurred.
Single: Acquire waveform when trigger occurred then stop
Source: You can use the trigger source options to select the signal that the oscilloscope
uses as a trigger.
CH1: Select CH1 as trigger signal
CH2: Select CH2 as trigger signal
Slope: Set the slope to Rising (+) or Falling (-).
Rising: Trigger on rising edge
Falling: Trigger on falling edge
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