# :MEASure:FFT:FMAGnitude:SOURce

FFT Magnitude Commands

- :MEASure:FFT:FMAGnitude
- :MEASure:FFT:FMAGnitude:FAVorite
- :MEASure:FFT:FMAGnitude:FPLevel
- :MEASure:FFT:FMAGnitude:FPNumber
- :MEASure:FFT:FMAGnitude:LOCation?
- :MEASure:FFT:FMAGnitude:SOURce
- :MEASure:FFT:FMAGnitude:STATus?
- :MEASure:FFT:FMAGnitude:STATus:DETails?
- :MEASure:FFT:FMAGnitude:STATus:REASon?

## Command Syntax

    :MEASure:FFT:FMAGnitude:SOURce {FUNCtionN}

Where N identifies one of sixty four {1:64} FFT math functions that you can create. For example, `FUNCtion3`. To create a FFT function waveform, see `:FUNCtion:FOPerator`.

## Query Syntax

    :MEASure:FFT:FMAGnitude:SOURce?

## Description

Selects the source FFT function waveform on which to perform the `:MEASure:FFT:FMAGnitude` measurement.