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Trigger Type

Click or tap the drop-down butt

on of

Type to select "RS232".

Figure 8.25 RS232 Trigger Setting Menu

Aft

er 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 drop-down butt

on of

Source to select CH1-CH4. For details, refer to

descriptions in

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.

Polarity

Select the polarity of data transmission in the

Polarity item. It can be set to "Positive"

or "Negative" .

igger Condition

Set the desired trigger condition in the

When item.

Triggering the Oscilloscope

DHO1000 User Guide

100

Rigol DHO1204 User Manual

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