If the photograph is clicked, it grows.

FFT Analyzer 2ch 122uHz-102KHz Range:4mV-32V acc0.025% Dynamic90dB Noise-130dBV/Hz Input:1Mohms BNC(f) <100pF DC/DC/ICP Source:Sin,Random,Charp,Burst,Noise Mode:responce,PowerSpectrum,LinerSpectrum,Coherent, Cross,Time,Windowedtime,Correlation,Histogram Trace:Log,Lin,dB,Phase,Real,Imag,Polor, Nyquist,Bode,Delay 4Trace Memory8.0MB Option 1D1:Real time octave 1D2:SweptSine Measure one of Display Faceplace removed