RIGOL 
©  2007 RIGOL Technologies, Inc.  
  User‟s Guide for DM3000 Series 
Using the triggering function 
Auto, hold and Single trigger can switch by using    and  , press Done button 
on the triggering interface to startup the external triggering. 
 
 
Figure 2- 23 The Interface of the External Triggering 
When external triggering start, the key    and    on the front panel both will 
be off.