RIGOL DS1000B - Manual (Page 51)

Command Systems RIGOL
Programming Guide for DS1000B Series 2-39
ALTernation Trigger
1. :TRIGger:ALTernation:SOURce
Command Format:
:TRIGger:ALTernation:SOURce
:TRIGger:ALTernation:SOURce?
Function:
The command selects the alternation trigger channel. The may be
CH1CH2, CH1CH3, CH1CH4, CH2CH3, CH2CH4 or CH3CH4.
Returned Format:
The query returns CH1CH2 or CH1CH3, CH1CH4, CH2CH3, CH2CH4, CH3CH4.
Example:
:TRIG:ALT:SOUR CH1CH2
Set the alternation channel as CH1CH2.
:TRIG:ALT:SOUR? Return CH1CH2.
2. :TRIGger:ALTernation:CURRentSOURce
Command Format:
:TRIGger:ALTernation:CURRentSOURce
:TRIGger:ALTernation:CURRentSOURce?
Function:
The command sets the current channel. The may be SOURceA or
SOURceB, and the source A and B are varying with the current alternation
channel.
Returned Format:
The query returns SOURceA or SOURceB.
Example:
:TRIG:ALT:SOUR CH1CH2
Set the alternation channel as CH1CH2.
:TRIG:ALT:CURRSOUR SOURB Set the current channel as source B.
:TRIG:ALT:CURRSOUR? Return SOURceB.