RIGOL 
2-32                                      Copyright ©1998-2008 RIGOL Technologies, Inc. 
  User’s Guide for DS1000CA Series 
Trigger Modes 
The oscilloscope provides seven trigger modes: Edge, Pulse, Slope, Video and 
Alternative.   
Edge:  An edge trigger occurs when the trigger input passes through a specified 
voltage level in the specified slope direction. 
Pulse:    Use this trigger type to catch pulses with certain pulse width. 
Video:  Use video trigger on fields or lines for standard video signals. 
Slope:  The oscilloscope begins to trigger according to the signal rising or falling 
speed. 
Alternative: Trigger on non-synchronized signals.