Basic Operation
R&S
®
Cable Rider ZPH
56
User Manual 1321.0950.02 ─ 03
The R&S Cable Rider ZPH opens a submenu to select the measurement format.
5. Select the "Return Loss" or "SWR" menu item.
The R&S Cable Rider ZPH starts the distance-to-fault measurement and displays
the result in the respective measurement format.
Setting the frequency
To get the best results, you should adjust the center frequency to that of the DUT.
Measurement bandwidth
The measurement bandwidth of R&S Cable Rider ZPH is currently fixed at 10 kHz.
1. Press the FREQ/DIST key.
2. Select the "DTF Center Freq" softkey.
The R&S Cable Rider ZPH opens an input field to specify the center frequency.
3. Enter the center frequency you required.
Specifying the cable model and cable length
To perform cable tests, you have to specify the type of the cable and its approximate
length.
1. Press the DTF CONFIG key.
2. Select the "Cable Config" softkey.
The R&S Cable Rider ZPH opens a file manager dialog box to select the cable
model.
3. Select the cable model that you require from the list of cables.
The R&S Cable Rider ZPH loads the cable model that will be taken in for consider-
ation during the distance-to-fault measurement.
Identifying Cable Faults
