source network measurement. After connecting the instrument RF
output to the RF input, the display displays a straight line on the
0dB scale after pressing the "Perform Normalization" soft menu.
Note: Normalization must be turned off before performing this
operation.
5.12.6 [Normalize On Off]
This soft menu is used to turn normalization on or off after
normalization is performed.
5.13 【Mode】 hardkey
Key access:
Press Shift key, then Mode hardkey (1 in numeric keypad).
Select the working mode of the spectrum analyzer, including
[Spectrum], [Demod >], and [Modulation >]. Enter the
demodulation settings. This spectrum analyzer supports audio
demodulation, as well as AM and FM analog demodulation. The
menu options and button functions vary when switching to different
modes.
5.13.1 [Spectrum]
Enter the spectrum analysis mode.
5.13.2 [Demod >]
Enter Audio Demodulation submenu.
5.13.2.1 [Demod Mode >]
Enter the demodulation mode submenu, including FM, AM.
5.13.2.2 [Sound]
When the audio demodulation is on, adjust the headphone output
volume.
5.13.2.3 [Carrier Freq]
Set the frequency of audio demodulation.
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