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EXFO FTB-7000 OTDR for FTB-200 v2 User Manual

Page 148

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Analyzing Traces and Events

134

FTB-7000 Series

Viewing and Modifying Current Trace Settings

To view trace settings:
Go to the Trace Info. tab.

Note: Even if more than one trace is available, the Trace Info. tab only shows

one at a time. To display the traces in turn, press Next Trace in the toolbar.
The active trace appears in black in the trace display.

These parameters are displayed:

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Wavelength: Test wavelength and type of fiber used: (singlemode) or
(multimode).

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Range: Distance range used to perform the acquisition.

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Pulse: Pulse width used to perform the acquisition.

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Time: Duration (either in minutes or seconds) of the acquisition.

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Span length: Measured length of the total fiber span between span
start and span end.

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Span loss: Total measured loss of the fiber calculated either between
the span start and the span end, or on the total fiber span, depending
on the option you have selected in the Setup window.

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Average loss: Average loss of the total fiber span, indicated as a
function of distance.

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Average splice loss: Average of all non-reflective events between span
start and span end.