Rigol DS1204B Programming Manual page 81

(13) :TRIGger:ALTernation:HOLDoff
Command Format:
:TRIGger:ALTernation:HOLDoff□<count>[,<source>]
Function:
The command sets the holdoff time to trigger the specified source
alternately. Holdoff time is the waiting time of oscilloscope before starting
a new trigger. During Holdoff, oscilloscope will not trigger until Holdoff
ends. The <count> range is 100ns~1.5s. The <source> may be SOURceA
or SOURceB.
Query Format:
:TRIGger:ALTernation:HOLDoff?□[<source>]
Return Format:
The query returns the value of holdoff time, and the unit is s.
Example:
:TRIGger:HOLDoff□0.0001, SOURceA
Set the holdoff time of source A as 100us.
:TRIGger:HOLDoff?□SOURceA
(14) :TRIGger:ALTernation:VIDEO:LINE
Command Format:
:TRIGger:ALTernation:VIDEO:LINE□<value>[,<source>]
Function:
The command sets the number of sync specified line. In NTSC standard,
the <value> range is 1~525; in PAL/SECAN standard, the <value> range
is 1~625. The <source> may be SOURceA or SOURceB, and the source A
and B are varying with the current alternation channel.
Query Format:
:TRIGger:ALTernation:VIDEO:LINE?□[<source>]
Return Format:
Thte query returns the number of specified line.
Programming Guide for DS1000B Series
Return 1.000e-04.
RIGOL
2-73