:FUNCtion:XREFerence?
Query Syntax
:FUNCtionN:XREFerence?
Where N identifies one of sixty four {1:64} math functions that you can create. For example, :FUNCtion2.
Description
Queries the horizontal reference which is LEFT or CENTer of the display. The horizontal reference is the reference for specifying a delay, horizontal position (:FUNCtion:XPOSition), relative to the trigger event.