RIGOL  Chapter 2 Command System 
2-166    MSO1000Z/DS1000Z Programming Guide 
:TRIGger:PULSe:UWIDth 
:TRIGger:PULSe:UWIDth <width> 
:TRIGger:PULSe:UWIDth? 
Set or query the upper pulse width in pulse width trigger. The default unit is s.   
This command is available when the trigger condition (refer to :TRIGger:PULSe:WHEN) is 
PGLess and NGLess.   
The query returns the upper pulse width in scientific notation.   
:TRIGger:PULSe:UWIDth 0.000003 /*Set the upper pulse width to 3μs*/ 
:TRIGger:PULSe:UWIDth?                    /*The query returns3.000000e-06*/ 
 
 
:TRIGger:PULSe:LWIDth 
:TRIGger:PULSe:LWIDth <width> 
:TRIGger:PULSe:LWIDth? 
Set or query the lower pulse width in pulse width trigger. The default unit is s.   
This command is available when the trigger condition (refer to :TRIGger:PULSe:WHEN) is 
PGLess and NGLess.   
The query returns the lower pulse width in scientific notation.   
:TRIGger:PULSe:LWIDth 0.000003 /*Set the lower pulse width to 3μs*/ 
:TRIGger:PULSe:LWIDth?                    /*The query returns 3.000000e-06*/