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9 Spectrum analyser
Pressing SPECTRUM gives access to the SPECTRUM ANALYSER function. (graphical representation
frequency / amplitude of the present signals in the input of the device)
To swap from between satellite and terrestrial, go to Home page and press
you want and return to spectrum
The input attenuator is automatically tuned according to the level of the signals measured.
Filters are automatically selected according to the « Span ».
Parameters of the spectrum are:
Frequency: value of the fre-
quency where the cursor is,
user can enter a frequency
value, or increase – decrease
the frequency with <> keys
Reference level: can
be modified with up-
down arrows
Satellite
Cursor: simply press the area
where you want to move or set the
cursor
Span : frequency span around the
center frequency
Terrestrial
Setup: you can select a Set-
up from internal setup list
p.
57
, choose the band
Channel: use a chan-
nel for the spectrum
(in terrestrial mode).
Frequency range: can
be changed using the
arrows
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