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instrument triggers when the duration (∆T) of this pattern meets the preset time, as
shown in the figure below.
CH1
CH2
CH3
CH4
Trigger Type
Click or tap the Type drop-down button to select "Duration".
Figure 8.12 Duration Trigger Setting Menu
After a trigger type is selected, the current trigger setting information (including
trigger type, trigger source, and trigger level) is displayed in the trigger information
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15
10
20
5
25
0
30
∆T
∆T
Figure 8.11 Duration Trigger
Triggering the Oscilloscope
Pattern:HLHL
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DHO1000 User Guide