294 Keysight InfiniiVision DSOX1204A/G Oscilloscopes Programmer's Guide
17 :FUNCtion Commands
:FUNCtion[:FFT]:PHASe:REFerence
(see page 798)
Command Syntax
:FUNCtion[:FFT]:PHASe:REFerence <ref_point>
<ref_point> ::= {TRIGger | DISPlay}
The :FUNCtion[:FFT]:PHASe:REFerence command sets the reference point for
calculating the FFT Phase function to either the trigger point or beginning of the
displayed waveform.
Query Syntax
:FUNCtion[:FFT]:PHASe:REFerence?
The :FUNCtion[:FFT]:PHASe:REFerence? query returns the selected reference
point.
Return Format
<ref_point><NL>
<ref_point> ::= {TRIGger | DISPlay}
See Also • ":FUNCtion:OPERation" on page 303
• "Introduction to :FUNCtion Commands" on page 291