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SIGLENT
User Manual 81
status
9
Peak Distance
The value of the distance corresponding to the peak value
10
Stop Distance
End distance of horizontal axis
11
Distance
Parameters represented by horizontal axis
12
Marker Table
Show marker information
13
Start Distance
Startance of horizontal axis
14
Window
function
Show Windwo function type
15
Cable Atten
Show Cable atten
16
Cable Vel
Show Velocity Factor
17
Meter/Feet
Show distance unit
18
Mode
Mode indication
4.2 Measurement
4.2.1 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)
4.2.2 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.
Selecting the appropriate frequency span (= start freq – stop freq) is not as obvious as it may seem. The
resolution and maximum distance range are dependent upon the span, the number of frequency data
points and the velocity factor of the cable. Therefore, the frequency span must be chosen carefully.
There is a constraint that limits the frequency range:
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