R&S FSH Spectrum Analyzer Mode
Configuring Spectrum Measurements
Operating Manual 1173.6275.12 - 30 97
If you have to switch between full span and a smaller span, you can do so without
having to enter the numeric values.
► Press the SPAN key.
► Press the "Full Span" softkey.
The R&S FSH displays the spectrum over its entire frequency range.
► Press the "Last Span" softkey.
The R&S FSH restores the span that you have set just before displaying the entire
frequency range.
Time domain measurements
You can also activate time domain measurements without having to enter the value
manually. When measuring in the time domain, the span is 0 Hz. In that state, the
R&S FSH measures the signal at the current center frequency only. Instead of
displaying the spectrum, the R&S FSH shows the signal power over a certain time
period. The horizontal axis becomes the time axis. The display always starts at 0 s and
stops after the currently set sweep time.
► Press the SPAN key.
► Press the "Zero Span" softkey.
The R&S FSH sets a span of 0 Hz and performs the measurement in the time
domain.
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