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VNA GUI reference

R&S

ZNL/ZNLE

369User Manual 1178.5966.02 ─ 20

If the active trace is a reflection trace S

, the analyzer firmware assumes that the DUT

is connected to port p=i. Otherwise it assumes that the DUT is connected to port p=2.

When activating "Distance to Fault", the analyzer firmware

●

sets S

as measured quantity of the active trace

●

enables additional controls on the "Distance to Fault" tab

●

appends the selected cable type to the trace label (see "Cable Type..."

on page 371)

●

displays an additional "Distance Domain" trace info line below the channel line

Note that all info lines (channel info, trace info,"Distance Domain" trace info) allow

quick access to related parameters via specific context menus:

"Distance to Fault" can also be enabled/disabled via the context menu of the trace

label.

Remote command:

CALCulate<Chn>:TRANsform:DTFault:STATe

Start Distance / Stop Distance

Define the distance window for the Distance to Fault measurement. "Start Distance"

and "Stop Distance" correspond to the left and right edge of the diagram area and are

displayed in the "Distance Domain" trace info line.

Note:

●

If the "Stop Distance" is so high that for the selected cable type the signal reflected

at "far away discontinuities" would be too small, a warning tooltip is displayed:

●

If the "Stop Distance" exceeds the unambiguous range (for the given frequency

span and number of sweep points), a warning is displayed in the instrument status

bar:

Use the Auto Number of Points function to adjust the number of sweep points so

that the impulse response becomes unambiguous in the configured distance win-

dow.

Trace softtool

R&S ZNL Series User Manual

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