R&S FSH Cable Measurements
1309.6275.12 4.71 E-2
To select the display unit:
Press the AMPT key.
Press the RANGE softkey.
The R&S FSH will open the menu for selecting the
display ranges. The available units depend on the
selected measurement: return loss in dB, linear in %,
standing wave ration (VSWR), reflection coefficient
(ROH) and reflection coefficient (mROH). Select the
display unit you want by using the cursor keys or the
rotary knob.
The R&S FSH can also list any cable faults. It displays the return loss and distance from the
measurement plane of all reflections that exceed a settable threshold.
Press the VIEW DTF LIST softkey in the Distance
to Fault menu.
The R&S FSH opens the threshold value entry box and
also displays the threshold as a horizontal line across
the measurement diagram.
Set the threshold using the cursor keys (5 dB
steps), the rotary knob (1 dB steps) or the number
keys.
Press the ENTER key or the VIEW DTF LIST
softkey again.
The R&S FSH displays a table listing all the reflections
that are above the threshold sorted according to
distance from the measurement plane.
To change the threshold for the table display,
press the THRESHOLD softkey and enter the new
value.
To close the list and to return to the graphics
display mode, press the EXIT softkey.
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