Instruction manual

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Figure 5-8:FFT Window
Display Channel Located in the upper left of the channel display area, this drop-down box allows the user to
select the channel to be used in the FFT plot.
FFT Functions
List
The calculations to be performed on the region of the FFT plot between the 2 Cursors are
selected from the Add Functions button on the top left of the FFT display area. The results of
the selected calculations are displayed in the Calculated Value Display area at the top of the
FFT window.
Display Controls The FFT plot has display controls similar to the Main window such as Half Display Time,
Zoom between Cursors and Double Display Time. The Y-axis can be scaled using the
ZoomIn, AutoScale and ZoomOut buttons in the FFT area toolbar. The frequency resolution
drop-down box allows setting the frequency resolution of the FFT from 10Hz to 0.01Hz.