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Triggering the Oscilloscope
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
label at the top of the screen, as shown in the figure below. The information will
change based on the trigger settings.
Source Selection
Click or tap Source drop-down button to select CH1-CH4. For details, refer to
Source
. The selected trigger source is indicated in the trigger information label at the
top of the screen.
Only when you select the channel that has signal inputs as the trigger source, can you
obtain a stable trigger.
Edge Type
Select the input signal edge (in the Slope menu) on which the oscilloscope triggers.
•
Rising: triggers on the rising edge of the input signal.
•
Falling: triggers on the falling edge of the input signal.
Trigger Condition:
Sets the trigger condition in the When item.
HDO4000 User Guide
78
Figure 8.7 Slope Trigger Setting Menu
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Trigger
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