RIGOL Chapter 2 Command System
2-166 MSO7000/DS7000 Programming Guide
 POSitive: indicates the rising edge.
 NEGative: indicates the falling edge.
 RFALl: indicates the rising or falling edge.
The query returns POS, NEG, or RFAL.
:TRIGger:EDGE:SLOPe NEGative /*Sets the edge type to Falling Edge.*/
:TRIGger:EDGE:SLOPe? /*The query returns NEG.*/
:TRIGger:EDGE:LEVel
:TRIGger:EDGE:LEVel <level>
:TRIGger:EDGE:LEVel?
Sets or queries the trigger level of Edge trigger. The unit is the same as that of current
amplitude of the selected source.
(-5 × VerticalScale - OFFSet) to
(5 × VerticalScale - OFFSet)
 For VerticalScale, refer to the :CHANnel<n>:SCALe command. For OFFSet, refer
to the :CHANnel<n>:OFFSet command.
 Only when the selected source is an analog channel, a digital channel, or an
external trigger, can this setting command is valid.
The query returns the trigger level in scientific notation.
:TRIGger:EDGE:LEVel 0.16 /*Sets the trigger level to 160 mV.*/
:TRIGger:EDGE:LEVel? /*The query returns 1.600000E-1.*/