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Trying Out the Instrument
R&S
®
Spectrum Rider FPH
76
Getting Started 1321.0996.02 ─ 09
You can also set the attenuation manually. TheR&S Spectrum Rider provides
attenuation in the range from 0 dB to 40 dB in 5 dB steps.
4. Press [AMPT] key.
5. Select "Att/Amp/Imp" softkey.
6. Select the "Manual Att" menu item.
The R&S Spectrum Rider opens an entry box to define the attenuation. Two
methods are provided to fill in the input fields:
● Directly with the number keys
● Using rotary knob
While you can enter any number you want with the number keys, using the
rotary knob is coupled to a certain step size in most cases.
If you use the rotary knob to change the attenuation, i.e. the step size is 5 dB.
7. Enter the attenuation you need.
The R&S Spectrum Rider shows the current attenuation level in the "Parame-
ter View".
5.1.2
Using the Preamplifier
The R&S Spectrum Rider has an optional preamplifier (R&S FPH-B22, order
number 1321.0680.02) to increase sensitivity. Depending on the frequency, the
Using the Spectrum Analyzer