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80 SVA1000X User Manual
Chapter 4 Distance-To-Fault Mode
This chapter introduces in detail the function keys and menu functions of the front panel under the
Distance-To-Fault Mode.
4.1 Measurement
4.1.1 Disp Mode
Entering "Disp Mode" sub-menu, then choose from the following three types of display. This value is
also displayed in the status bar on the left side of the screen.
Return Loss
VSWR
Reflection Coefficient
All three forms reflect the matching condition of the entire cable.
Table 4-1 Return Loss (RL), VSWR, and Reflection Coefficient (
)
Parameter
Conversion relationship
RL
VSWR
4.1.2 Start Distance
Set the starting distance for DTF.
The range of this distance is limited by the minimum resolution.
Table 4-2 Start Distance
Parameter
Explanation
Default
0.00 m
Range
0.00 m ~ (Stop Distance
– 0.2) m
Unit
m, feet
Knob Step
0.1 m
Direction Key Step
In 1-2-5 sequence(Unit: m)
4.1.3 Stop Distance
Set the stopping distance for DTF.
The range of this distance is limited by the velocity factor and is proportional to the velocity factor.
When the velocity factor is 1, the length that can be measured is the maximum.