Chapter 5 To Trigger the Oscilloscope    RIGOL 
DS2000E User’s Guide     5-9 
Trigger Level:  
Trigger occurs only when the signal reaches the preset trigger level. When you rotate 
the TRIGGER 
  LEVEL knob to modify the level, an orange trigger level line and a 
trigger mark "
" appear on the screen, and they move up or down with the rotation 
of the knob. Meanwhile, the trigger level value (e.g 
) at the lower-left 
corner of the screen also changes accordingly. When stopping turning the knob, the 
trigger level line and the trigger mark disappear in about 2 s.