Chapter 2 Functions of the Front Panel RIGOL
VNA User Guide 2-37
Clear
Clears the calibration data acquired for the current measurement.
Port Extension
For details about the port extension, refer to "Port Extension" in S11.
Cal Kits
For details about calibration kits, refer to "Cal Kits" in S11.
Unit
Sets the length unit for port extension: meter or feet. The default unit is meter.
Stop Distance
Sets the maximum distance that can be measured in DTF.
Table 2-41 Stop Distance (m)
(101–1)/(span/1.5e8/velocity
factor) to
(10001–1)/(span/1.5e8/velocity
factor)
Left/Right Arrow Key Step
Table 2-42 Stop Distance (ft)
(101–1)/(span/1.5e8/velocity
factor) to
(10001–1)/(span/1.5e8/velocity
factor)
Left/Right Arrow Key Step
Remarks:
The system will automatically calculate the number of sweep points based on the
values of Stop Distance, Span, and Velocity Factor. Once one of the parameters is
modified, the other parameters will be adjusted automatically to achieve optimal
measurement effects according to the formula below.
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