RIGOL DS1000B - Manual (Page 42)

RIGOL Command Systems
Programming Guide for DS1000B Series 2-30

NORMal: Acquire waveform when trigger occurred;

SINGle: Execute once trigger when all the condition are marched and stop.
Returned Format:
The query returns AUTO or NORMAL, SINGLE.
Example:
:TRIG:EDGE :SWE AUTO Set the trigger type as AUTO.
:TRIG:EDGE :SWE?
Return AUTO.
5. :TRIGger:SENSitivity
Command Format:
:TRIGger:SENSitivity
:TRIGger:SENSitivity?
Function:
The command sets the trigger sensitivity. The range is 0.1div~1div.
Returned Format:
The query returns the value of trigger sensitivity, and the unit is div.
Example:
:TRIG:SENS 0.2 Set the trigger sensitivity as 0.2div.
:TRIG:SENS? Return 2.000e-001.
6. :TRIGger:COUPling
Command Format:
:TRIGger:COUPling {DC|AC|LF}
:TRIGger:COUPling?
Function:
The command sets the coupling mode.
 DC: Allow all signals pass;
 AC: Reject DC signals and attenuate the signal below 10Hz;
 LF: Reject DC signals and attenuate the signals below 8kHz.