RIGOL DP832A - Manual (Page 170)

RIGOL Chapter 2 Command System
2-146 DP800 Programming Guide
:TRIGger:IN:IMMEdiate
Syntax :TRIGger:IN:IMMEdiate
Description Initialize the trigger system.
Explanation  When the trigger source type (refer to the :TRIGger[:SEQuence]:SOURce
or :TRIGger:IN:CHTYpe command) is set to "IMM" (immediate trigger), the
power supply will execute a complete trigger operation immediately when yopu
execute this command.
 When the trigger source type (refer to the :TRIGger[:SEQuence]:SOURce
or :TRIGger:IN:CHTYpe command) is set to "BUS" (bus trigger; namely
software trigger), the trigger system will be initialized when you execute this
command; after that, send the *TRG command to trigger the power supply and
the power supply will execute a trigger operation after waiting for the specified
delay time (if you have set the delay time; refer to
the :TRIGger[:SEQuence]:DELay command).
 You can also send the :INITiate command to initialize the trigger system.
Related
Commands
:TRIGger[:SEQuence]:SOURce
:TRIGger:IN:CHTYpe
*TRG
:TRIGger[:SEQuence]:DELay
:INITiate