RIGOL DS1000B - Manual (Page 52)

RIGOL Command Systems
Programming Guide for DS1000B Series 2-40
3. :TRIGger:ALTernation:TYPE
Command Format:
:TRIGger:ALTernation:TYPE [,]
:TRIGger:ALTernation:TYPE? []
Function:
The command sets the trigger type. The may be EDGE, PULSe or VIDEO,
and the may be SOURceA or SOURceB, and the source A and B are
varying with the current alternation channel.
Returned Format:
The query returns EDGE or PULSE, VIDEO.
Example:
:TRIG:ALT:TYPE EDGE,SOURB Set the trigger type as edge trigger.
:TRIG:ALT:TYPE? SOURB
Return EDGE.
4. :TRIGger:ALTernation:TimeSCALe
Command Format:
:TRIGger:ALTernation:TimeSCALe [,]
:TRIGger:ALTernation:TimeSCALe? []
Function:
The command sets the time scale of current channel. The range is
2ns~20ms, and the may be SOURceA or SOURceB, and the source A
and B are varying with the current alternation channel.
In NORMAL mode, different types of instruments have different sweep ranges:
DS1204B, range：1ns/div~50s/div.
DS1104B, range：2ns/div~50s/div.
DS1074B, range：5ns/div~50s/div.
Returned Format:
The query returns the value of time scale, and the unit is s.
Example:
:TRIG:ALT:TSCAL 0.001,SOURB Set the time scale as 1ms.