# :MEASure:HORizontal:NPERiod:UREFerence:STATe

N-Period Commands

- :MEASure:HORizontal:NPERiod
- :MEASure:HORizontal:NPERiod:EDIRection
- :MEASure:HORizontal:NPERiod:FAVorite
- :MEASure:HORizontal:NPERiod:LOCation?
- :MEASure:HORizontal:NPERiod:NPERiods
- :MEASure:HORizontal:NPERiod:OCCurrences
- :MEASure:HORizontal:NPERiod:REGion
- :MEASure:HORizontal:NPERiod:SOURce
- :MEASure:HORizontal:NPERiod:STATus?
- :MEASure:HORizontal:NPERiod:STATus:DETails?
- :MEASure:HORizontal:NPERiod:STATus:REASon?
- :MEASure:HORizontal:NPERiod:UREFerence:STATe
- :MEASure:HORizontal:NPERiod:UREFerence:VALue

## Command Syntax

    :MEASure:HORizontal:NPERiod:UREFerence:STATe {ON | OFF | 1 | 0}

## Query Syntax

    :MEASure:HORizontal:NPERiod: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:HORizontal:NPERiod:UREFerence:VALue` command specifies its time location with respect to the trigger (t = 0) location.