label at the top of the screen, as shown in the figure below. The information will
change based on the trigger settings.
Source Setting
•
Source A:
Click or tap the drop-down button of SourceA to select CH1-CH4. For details,
refer to
. 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 A:
Select the trigger edge type ("Rising" or "Falling") of Source A in Delay trigger in
the EdgeA item.
•
Source B:
Click or tap the drop-down button of SourceB to select CH1-CH4. For details,
refer to
. 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 B:
Select the trigger edge type ("Rising" or "Falling") of Source B in Delay trigger in
the EdgeB item.
Set the trigger condition
Sets the time limit condition of Delay trigger in the When item.
•
>: triggers when the time difference (∆T) between the specified edges of Source
A and Source B is greater than the preset time lower limit. Click or tap the input
field of Lower to set the delay time lower limit in Delay trigger with the pop-up
numeric keypad. You can also use the corresponding multipurpose knob to set
the value.
•
<: triggers when the time difference (∆T) between the specified edges of Source
A and Source B is smaller than the preset time upper limit. Click or tap the input
field of Upper to set the delay time upper limit in Delay trigger with the pop-up
numeric keypad. You can also use the corresponding multipurpose knob to set
the value.
Triggering the Oscilloscope
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HDO1000 User Guide
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