# :FUNCtion:XREFerence?

:FUNCtion Scaling Commands

- :FUNCtion:VERTical:SCALing
- :FUNCtion:XLEFt?
- :FUNCtion:XPOSition
- :FUNCtion:XREFerence?
- :FUNCtion:XRIGht?
- :FUNCtion:XSCale
- :FUNCtion:XSCale:FINE
- :FUNCtion:XUNits?
- :FUNCtion:YBOTtom?
- :FUNCtion:YOFFset
- :FUNCtion:YRANge
- :FUNCtion:YSCale
- :FUNCtion:YSCale:FINE
- :FUNCtion:YTOP?
- :FUNCtion:YUNits?

## 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.