RIGOL DS6000 Series - Manual (Page 114)

RIGOL 5 To Trigger the Oscilloscope
DS6000 User’s Guide 5-22
Trigger Setting:
Press Setting to set the trigger parameter (trigger holdoff) under this trigger type.
Trigger Level:
Use TRIGGER LEVEL to modify the trigger level of SCL or SDA channel. For
details, please refer to the description of “Trigger Level” on page 5-8.