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Basic Operation
R&S
®
Cable Rider ZPH
77
User Manual 1321.0950.02 ─ 07
1. Press the [MODE] key.
2. Select the "Spectrum Analayzer" softkey.
The R&S Cable Rider ZPH opens the spectrum analyzer measurement menu.
3. Select the "Spectrum" menu item.
The R&S Cable Rider ZPH activates the mode for spectrum analyzer measure-
ments.
4. Press the [SCALE/AMPT] key.
5. Select the "Att/Amp/Imp" softkey.
6. Select either the "Auto Low Noise" or "Auto Low Distortion" menu item.
The R&S Cable Rider ZPH shows the current attenuation level in the "Parameter
view". The currently active menu item has a blue background and the selected
parameters is indicated with a blue dot in the menu item.
You can also set the attenuation manually. The R&S Cable Rider ZPH provides
attenuation in the range from 0 dB to 40 dB in 5 dB steps.
7. Press the [SCALE/AMPT] key.
8. Select the "Att/Amp/Imp" softkey.
9. Select the "Manual Att" menu item.
The R&S Cable Rider ZPH 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 usually.
If you use the rotary knob to change the attenuation, i.e. the step size is 5 dB.
Using the Spectrum Analyzer