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Chapter 6 Trigger System
187
6.2 Edge Trigger
When the edge of trigger signal reaches a certain trigger level, the set signal is triggered and generated. Trigger
occurs on either edge of the rising edge (indicating icon at the top of the screen), falling edge ( ) or dual edge
( ), and the trigger level can be set to change the vertical position of the trigger point on the trigger edge, namely
the intersection point of the trigger level line and the signal edge. The stable waveform can be obtained by correctly
setting the edge trigger coupling mode. Edge trigger menu is shown in the table below:
Trigger Option
Setting
Description
Trigger Source
CH1
Set CH1 as trigger signal source
CH2
Set CH2 as trigger signal source
CH3
Set CH3 as trigger signal source
CH4
Set CH4 as trigger signal source
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