User Manual
Quick Start Guide 
193 
Trigger on a Specific Line or All Lines of the Video Signal 
  Press  the Trigger MENU  key to display the TRIGGER 
menu. 
  Press the Type softkey to select the Video trigger mode. 
  Press Source softkey to select CH1. 
  Press Polarity softkey to select negative polarity . 
  Press Sync softkey to select Line # or All Lines. 










