Chapter 5 To Trigger the Oscilloscope    RIGOL 
MSO7000/DS7000 User Guide  5-53 
Select Source A or Source B: 
Press Source A or Source B, then rotate the multifunction knob    to select the 
desired source, and then press down the knob to select the source. You can also 
press Source A Source B continuously to select the trigger source or enable the 
touch screen to tap the desired trigger source and select it. The available sources 
include CH1-CH4. The zone name color and the zone color are the same as the color 
of the selected source channel. 
 
Set the conditions for Trigger zone A and Trigger zone B 
Press Zone A or Zone B , rotate the multifunction knob    to select "Intersect" or 
"Not intersect", then press down the knob to select it. You can also press Zone A or 
Zone B continuously to select the condition, or enable the touch screen to tap the 
desired condition and select it. 
 
If you enable Zone A, select CH1 as Source A, and select "Intersect" as the condition, 
as shown in the figure below. 
 
 
If  you  enable  Zone  A,  select  CH1  as  Source  A,  and  select  "Not  intersect"  as  the 
condition, the following figure is displayed.