AM/FM/PM Analyzer (Option 509) 7-3 Example FM Demodulation Measurement
Spectrum Analyzer MG PN: 10580-00349 Rev. H 7-5
9. From the Measurements menu, press the Audio Waveform submenu key to view the
audio waveform. Press the submenu key again to set the sweep time for the audio
waveform display, or the squelch level. Note that RF signals below the squelch level
will cause the audio waveform to be a flat line in the center of the screen.
10. From the Measurements menu, press the Audio Demod submenu key to listen to the
audio component of the FM signal. In this menu, you can choose wideband or
narrowband demodulation, set the demodulation time, and you can also set the
instrument speaker volume.
Figure 7-2. Audio Waveform
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