VeEX OTDR Series User Manual page 109

For more information on Span settings and Launch/Receive cable offset, see
Section 7.3.2 Span
To edit the Refractive Index (RI) and Backscattering Co-efficient (BC) for an already
measured trace:
1. Select the trace you want to edit, then tap the Information button.
2. On the Measurement tab, change the RI as needed.
3. In the Thresholds tab, change the BC as needed.
4. Tap OK to apply changes. All changes will be applied immediately.
5. After carefully noting the JobID/CableID/FiberID/TraceID fields, save the trace. The
Job/Cable/Fiber/Trace determine the location to which the trace is saved.
For multi-wavelengths/multi-pulsewidths, edit change trace separately.
OTDR Series e-Manual, RevE00
Trace Information - Thresholds
Settings.
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