UTD2000 Series User Manual 
32 
 
 
Figure 4-3 Observing Signals with Two Different Frequencies by 
Alternating Trigger Mode 
Table 4-7 Alternating Trigger Menu (Page 1) 
 
 
Table 4-8 Alternating Trigger Menu (Page 2) 
 
 
Select CH1 as current channel 
Select CH2 as current channel 
Set the edge as trigger mode 
Set the pulse width as trigger mode 
Set the slope as trigger mode 
Pass through DC and AC components of triggering signal. 
Block the DC component of triggering signal.     
Reject high-frequency component of the triggering signal. 
Reject low-frequency component of the triggering signal. 
Suppresses  high  frequency  noise  in  the  signal  and  reduces  the 
probability of the oscilloscope being falsely triggered . 
Set trigger on the signal rising edge. 
Set trigger on the signal falling edge. 
Set trigger on the signal both rising and falling edge.