Rigol DS1204B Programming Manual page 67

Example:
:TRIGger:SENSitivity□0.2
:TRIGger:SENSitivity?
9. :TRIGger:HFREject
Command Format:
:TRIGger:HFREject□{{1|ON}|{0|OFF}}
Function:
The command sets high frequency reject function on or off.
Query Format:
:TRIGger:HFREject?
Return Format:
The query returns 1 or 0, respectively indicates ON or OFF.
Example:
:TRIGger:HFREject□ON
:TRIGger:HFREject?
Programming Guide for DS1000B Series
Set the trigger sensitivity as 0.2div.
Return 2.00e-01.
Set HFR on.
Return 1.
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