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4 Select the fiber construction that is appropriate and press Next.
5 Enter either the nominal velocity of propagation (NVP) of the fiber
cable, OR the fiber cable's refractive index (default values are
presented) and press Next. If you do not know either value, but have
a known length of cable, select Calculate NVP from length and
select the Test Configuration and press Next.
6 If you are calculating NVP from length, enter the fiber length. You
may have to calibrate the tester in the test configuration you have
specified, using appropriate test jumpers. There is a Quick Setup
button for specifying the test configuration and fiber construction for
the NVP measurement. When the proper connection has been made, a
Measure button will appear. Press Measure and the NVP as a
percentage of the speed of light will be entered in the NVP window.
When completed, press Next.
7 Enter the nominal specifications of the fiber. Default values are
presented. Press OK and the Fiber Autotest Settings screen will
display with the new cable description entered beside the cable spool
icon.
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