TRIGGER 
 
 
MODE: press this key to switch the trigger mode to 
Auto, Normal or Single and the corresponding 
state backlight of the current trigger mode would be 
illuminated. 
 
TRIGGER 
  LEVEL: modify the trigger level. 
Turn clockwise to increase the level and turn 
counterclockwise to reduce the level. During the 
modification, the trigger level line would move up  
and down and the value in the trigger level message box (e.g.  ) at the 
lower-left corner of the screen would change accordingly. Press down the knob to 
quickly reset the trigger level to zero point. 
 
MENU: press this key to open the trigger operation menu. This oscilloscope 
provides various trigger types. 
 
FORCE: in Normal and Single