RIGOL DS1000D - Manual (Page 58)

RIGOL Command Systems
Programming Guide for DS1000E, DS1000D Series 2-46
:TRIG:ALT:SLOP:LEVB ? The query returns -1.500e+00.
15. :TRIGger:ALTernation:COUPling
Command Format:
:TRIGger:ALTernation:COUPling {DC|AC|HF|LF}
:TRIGger:ALTernation:COUPling?
Function Explanation:
The commands set and query the coupling mode. Thereinto,
DC: Allow all signals pass;
AC: Block DC signals and attenuate the signals lower than10Hz;
HF ( High frequency reject): Reject high frequency signals (Higher than 150
KHz);
LF ( Low frequency reject): Reject DC signals and attenuate low frequency
signals (Lower than 8KHz).
could be :EDGE, :PULSe or :SLOPe.
Returned Format:
The query returns DC , AC, HF or LF.
Example:
:TRIG:ALT:EDGE:COUP DC Setup the coupling mode as DC.
:TRIG:ALT:EDGE:COUP?
The query returns DC.
16. :TRIGger:ALTernation:HOLDoff
Command Format:
:TRIGger:ALTernation:HOLDoff
:TRIGger:ALTernation:HOLDoff ?
Function Explanation:
The commands set and query the trigger holdoff. The could be
EDGE, :PULSe, :SLOPe or :VIDEO. The range of is 500ns~1.5s.
Returned Format:
The query returns the setting value of in s.