ELAN Home Systems ES370 User Manual download pdf (Page 27)

2.12 FFT Plot (Spectrum Analyser)

Each scope channel can be analysed using a 2048 point Fast Fourier

Transform. The plot will be shown in a scalable window and will

include all channels selected for analysis, in their respective colours.

The lower limit for the dB plot is limited to –54dB. An on-screen

cross-hair type cursor allows you to measure points on the spectrum.

The FFT time data can be “pre-shaped” using various window

functions, available under the MATH tab. There is also a selection

for dB or Linear plot types on the same tab. These settings are

global for all FFTs.

Elan Digital Systems Ltd. 27 USBscope50 USER’S GUIDE Iss5

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ELAN Home Systems ES370 User Manual Page 27