:FUNCtion[:FFT]:PHASe:REFerence
:FUNCtion[:FFT]:PHASe:REFerence <ref_point>
:FUNCtion[:FFT]:PHASe:REFerence?
<ref_point>
string
TRIGger DISPlay
The reference point for calculating the FFT Phase function
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.
<ref_point><NL>
<ref_point> ::= {TRIGger | DISPlay}
Set the reference point to the trigger point
:FUNCtion[:FFT]:PHASe:REFerence TRIGger