Command Systems        RIGOL 
 
Programming Guide for DS1000B Series 
Function: 
The command sets Math function and its menu on or off. 
 
 
26.  :KEY:REF 
Command Format: 
:KEY:REF 
 
Function: 
The command sets reference waveform function and its menu on or off. 
 
 
27.  :KEY:TrigMODE 
Command Format: 
:KEY:TrigMODE 
 
Function: 
The command shifts the trigger mode among AUTO, NORMAL and SINGLE. 
 
 
28.  :KEY:TrigMENU 
Command Format: 
:KEY:TrigMENU 
 
Function: 
The command sets trigger menu on or off. 
 
 
29.  :KEY:TrigFORCe 
Command Format: 
:KEY:TrigFORCe 
 
Function: 
The command is used for forcing trigger.