Rohde & Schwarz ZVL series - Page 432

R&S ZVL Command Reference
Instrument-Control Commands
Operating Manual 1303.6580.32-05
417
Types
Example:
See CALCulate<Chn>:TRANsform:DTFault:CENTer
CALCulate<Chn>:TRANsform:DTFault:STARt <numeric_value>
Defines the start distance of the distance-to-fault diagram.
<Chn>
Channel number used to identify the active trace
<numeric_value>
Start distance
Range [def. unit] –5 m to +9.999 m. The increment (parameters UP or DOWN) is 1 mm. [m or
foot (ft), depending on the Distance Unit selected in the System Configuration
dialog]
*RST value 0 m
SCPI, Command
Types
Device-specific, command or query
Example:
See CALCulate<Chn>:TRANsform:DTFault:CENTer
Note: If the start frequency entered is greater than the current stop frequency
(CALCulate<Chn>:TRANsform:DTFault:STOP), the stop frequency is set to the start
frequency plus the minimum frequency span (CALCulate<Chn>:TRANsform:DTFault:SPAN).
CALCulate<Chn>:TRANsform:DTFault:STATe <Boolean>
Enables or disables the distance-to-fault measurement. In contrast to manual control, the number of points
is not automatically re-adjusted (CALCulate<Chn>:TRANsform:DTFault:POINts).
<Chn>
Channel number used to identify the active trace
<Boolean>
ON – Distance-to-fault measurement active
OFF – Distance-to-fault measurement active
*RST value OFF [–]
SCPI, Command
Types
Device-specific, command or query
Example:
*RST; :CALC:TRAN:DTF:STAT ON; :SWE:POIN?
Enable distance-to-fault measurement with default settings. The number of
sweep points is equal to the default value 201.
CALC:TRAN:DTF:POIN; :SWE:POIN?
Adjust the number of sweep points to the default channel settings. For an R&S
ZVL network analyzer, the result is 519.
CALC:TRAN:DTF:STAR -1; STOP 5
Select a distance range between -1 m and +5 m.
CALC:TRAN:DTF:SEL 'RG214'
Select a RF214 cable type for the distance-to-fault measurement.
FREQ:SPAN 2GHz; :CALC:TRAN:DTF:POIN; :SWE:POIN?
Reduce the frequency span, re-calculate the number of points. The query
returns 201.