# :MEASure:SNDRatio:SNPLevel:UREFerence:STATe

SNDR Sigma-n Per Level Commands

- :MEASure:SNDRatio:SNPLevel
- :MEASure:SNDRatio:SNPLevel:FAVorite
- :MEASure:SNDRatio:SNPLevel:LEVel
- :MEASure:SNDRatio:SNPLevel:LOCation?
- :MEASure:SNDRatio:SNPLevel:SOURce
- :MEASure:SNDRatio:SNPLevel:STATus?
- :MEASure:SNDRatio:SNPLevel:STATus:DETails?
- :MEASure:SNDRatio:SNPLevel:STATus:REASon?
- :MEASure:SNDRatio:SNPLevel:UREFerence:STATe
- :MEASure:SNDRatio:SNPLevel:UREFerence:VALue

## Command Syntax

    :MEASure:SNDRatio:SNPLevel:UREFerence:STATe {ON | OFF | 1 | 0}

## Query Syntax

    :MEASure:SNDRatio:SNPLevel:UREFerence:STATe?

## Query Response

    {1 | 0}

## Description

Enables or disables a user-defined horizontal reference location near which a one-measurement-per-acquisition measurement is made.

When a user-defined horizontal reference location is enabled, the `:MEASure:SNDRatio:SNPLevel:UREFerence:VALue` command specifies its time location with respect to the trigger (t = 0) location.