Chapter 2 Command System RIGOL
MSO1000Z/DS1000Z Programming Guide 2-205
:TRIGger:RS232:LEVel
:TRIGger:RS232:LEVel <level>
:TRIGger:RS232:LEVel?
Set or query the trigger level in RS232 trigger. The unit is the same as the current
amplitude unit.
(-5 x VerticalScale - OFFSet) to
(5 x VerticalScale - OFFSet)
 For VerticalScale, refer to :CHANnel<n>:SCALe. For OFFSet, refer
to :CHANnel<n>:OFFSet.
 This command is only available when the signal source is an analog channel.
The query returns the trigger level in scientific notation.
:TRIGger:RS232:LEVel 0.16 /*Set the trigger level to 160mV*/
:TRIGger:RS232:LEVel? /*The query returns 1.600000e-01*/