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920XC-13A • 920XC-15A • 920XC-20C Instruction Manual
Reflection Threshold Configuration
This configuration has direct impact on reflection events listing. Only reflection events ≥ to this
threshold will be displayed in the events list.
Under the parameter configuration menu use
p
.and.
q
to highlight “Refl. Thre.” Press
Enter
.to.
enter a value (Figure 3-20). Press .to.exit.
Figure 3-20. Reflection Threshold Configuration
Use.
t
.and.
u
to adjust the position of the highlighted area. Use
p
.and.
q
.to.change.the.digits..
After.setting,.press.
Enter
to confirm.
Note: The default setting is “–52.00 dB.”
End Threshold Configuration
This threshold is the end threshold of optical fiber. If the end threshold equals 3.0 dB, then the first
event with insertion loss ≥ 3 dB will be considered the end of the optical fiber. If the value is set to
0.dB,.there.will.be.no.end.threshold.
Under the parameter configuration menu use
p
.and.
q
to highlight “End Thre.” Press
Enter
.to.
enter a value (Figure 3-21). Press .to.exit.
Figure 3-21. End Threshold Configuration
Use.
t
.and.
u
to adjust the position of the highlighted area. Use
p
.and.
q
.to.change.the.digits..
After.setting,.press.
Enter
to confirm.
Note: The default setting is “03.00 dB.”
Basic OTDR Information
Summary of Contents for 920XC-13A
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