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8.7.9 Window Trigger
Window trigger provides a high trigger level and a low trigger level. The instrument
triggers when the input signal passes through the high trigger level or the low trigger
level.
Trigger Type
Click or tap the
Type drop-down button to select "Over".
Figure 8.17 Window 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
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 the
Source drop-down button to select CH1-CH4. For details, refer to
Trigger 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 item) on which the oscilloscope triggers.
Triggering the Oscilloscope
DHO900 User Guide
86
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