
Testing Fibers in Advanced Mode
84 OTDR
Setting a Default Span Start and Span End
To change the default span start and span end for traces:
1. From the main window, press Setup.
2. From the Setup window, go to the Acquisition tab.
3. Under Span Start and Span End, go to the Position box and enter the
desired value, using the distance units displayed to the right of the
field. to the Position box and enter the desired value, using the
distance units displayed to the right of the field.
Under Span End, indicate whether the span end position is from the
fiber span start or from the end of the fiber.
If you have loaded several traces with different fiber spans, the traces will
be aligned from their span starts.
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