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Chapter 6 Trigger System
131
Trigger
Source
CH2
Set CH2 as trigger signal source
CH3
Set CH3 as trigger signal source
CH4
Set CH4 as trigger signal source
Polarity
Positive
Select to count time when the rising edge of input signal gets through the
trigger level
Negative
Select to count time when the falling edge of input signal gets through the
trigger level
Any
Select to count time when the rising edge or falling edge of input signal gets
through the trigger level
Time
8ns~10s
Timeout time
Set the polarity of CH1 trigger signal to be positive and the timeout time as 15us. The steps are as follows:
1) Tap “Trigger” on the main menu to open the trigger menu, select timeout trigger in the trigger type, and set the
timeout trigger as follows, as shown in Figure 6-29:
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