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Basic OTDR Information
Length Units
Under the parameter configuration menu use p.and.q to highlight "Length Units." Press Enter.
to select the desired units of measurement (Figure 3-16). Press
.to.exit.
Figure 3-16. Length Units
Index of Refraction (IOR) Configuration
Because IOR is a key factor affecting the speed of laser transmission in optical fiber, the IOR
configuration has a direct impact on the accuracy of measurement. In general, the IOR parameter
is provided by the optical fiber manufacturer, and it can be set to the accuracy of four digits after
the.decimal.point.between.1.0.and.2.0.
Under the parameter configuration menu use p.and.q to highlight "IOR." Press Enter.to.enter.a.
value (Figure 3-17). Press
.to.exit.
Figure 3-17. IOR 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.
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920XC-13A • 920XC-15A • 920XC-20C Instruction Manual