RIGOL  Chapter 5 Trigger 
5-22  MSO4000/DS4000 User’s Guide 
trigger control area (TRIGGER) at the front panel turns on.  
 
6.  Turn the noise rejection on or off 
Press Setting to enter the trigger setting submenu. In this submenu, press 
Noise Reject to turn the noise rejection on or off (please refer to “Noise 
Rejection”). 
 
Note: When the trigger source is D0 to D15, the trigger coupling and noise 
rejection are invalid. 
 
 
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