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Fluke 190-104, Fluke 190-204
Users Manual
If it displays WRONG TB the time base setting does not
enable the test tool to display an FFT result. It is either too
slow, which can result in aliasing, or too fast, which results
in less than one signal period on the screen.
7
Perform a spectrum analysis on
F1
trace A, B, C or D.
8
Set the horizontal amplitude scale
F2
to linear or logarithmic.
9
Set the vertical amplitude scale to
F3
linear or logarithmic.
10
Turn the spectrum function off/on
F4
(toggle function).
32
Figure 13. Spectrum measurement
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