RIGOL DS1000B - Manual (Page 55)

Command Systems RIGOL
Programming Guide for DS1000B Series 2-43
-LESS THAN, –EQUAL.
Example:
:TRIG:ALT:PULS:MODE +GRE, SOURB Set the trigger condition.
:TRIG:ALT:PULS:MODE? SOURB
Return +GREATER THAN．
9. :TRIGger:ALTernation:PULSe:TIME
Command Format:
:TRIGger:ALTernation:PULSe:TIME [,]
:TRIGger:ALTernation:PULSe:TIME? []
Function:
The command sets the pulse width, the value range is 20ns~10s. The
may be SOURceA or SOURceB, and the source A and B are varying with the
current alternation channel.
Returned Format:
The query returns the value of pulse width, and the unit is s.
Example:
:TRIG:ALT:PULS:TIME 0.002, SOURB Set the pulse width as 2ms.
:TRIG:ALT:PULS:TIME? SOURB
Return 2.000e-003.
10. :TRIGger:ALTernation:VIDEO:POLarity
Command Format:
:TRIGger:ALTernation:VIDEO:POLarity {POSitive|NEGative }[,]
:TRIGger:ALTernation:VIDEO:POLarity? []
Function:
The command sets the video polarity as POSitive or NEGative. The
may be SOURceA or SOURceB, and the source A and B are ivarying with the
current alternation channel.
Returned Format:
The query returns POSITIVE or NEGATIVE.