UTD2000 Series User Manual 
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Applicable NTSC video signal. 
Set the video line to synchronous triggering. 
Set  the  video  to  sync  and  trigger  on  specific  line,  adjust  through  the 
multifunctional knob on front panel. 
Set the video to sync and trigger on odd field. 
Set the video to sync and trigger on even field. 
Adjust through the multifunctional knob on front panel. 
 
 
Figure 4-1 is an example screen display when PAL video trigger model is selected as 
standard and the synchronization mode is selected as line synchronization. Figure 4-2 is 
an example screen display when the synchronization mode is set to field synchronization. 
 
 
Figure 4-1 Video Trigger: Line Synchronization 
 
 
Figure 4-2 Video Trigger: Field Synchronization 
 
4.5 Alternating trigger 
During alternating trigger, the trigger signal comes from two vertical channels. Alternating 
trigger is useful for observing two signals with different frequency. See the figure below for 
display of triggered alternating waveform example and Table 4-7 for triggered alternating 
menu setting.