Manual SPECTRAN V5
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FUNCTIONS
4.2.19. SOFT Mode
In soft mode the SPECTRAN V5 works like a regular sweep
spectrum analyzer.
As a special feature, 1 (Soft 1), 2 (Soft 2) or 4 (Soft 4) inde
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pendently adjustable frequency bands can be operated and
displayed simultaneously.
Thus, e.g. ISM433, GSM900, GSM1800, and WLan24 can
be monitored simultaneously WITHOUT having to display
the intermediate frequency range.
Each of the spectra can be provided with their own parame-
ters to ensure the best possible representation.
In each spectrum, the highest value (peak view) is automati
-
cally detected and marked with a red marker in the spectrum
and the frequency and level are displayed in the parame-
ter window. You can switch the marker on/off in the “Setup”
menu, with the “Marker” button.
Furthermore, now there are 4 different display modes avail-
able via „Display Mode“:
- Mean = Default display (yellow). Equivalent to a clear/write
- Std Dev = min (white) and average (blue filled)
- Min Max = Min (white), max (white dots) and average (blue
filled)
- Peak Decay = Max over time (pink) and Min (white dots).
The drop rate of „Max on time“ can be adjusted via „Setup/
Decay%“. 1% corresponds to a very slow decay rate (1%
of the value per sweep). 100% corresponds to an immedi
-
ate drop after each sweep (therefore corresponds to a clear/
write). The default value is 10%.
The entire window- and setting configurations can be saved
as its own setup under „Setup / Save“ and recalled again at
any time via „Setup / Load“. Here up to 10 setups („Setup1“
to „Setup 10“) are available.
