Exfo FTB -5240S/5240BP Optical Spectrum Analyzer for FT Manuel d'utilisateur Page 381

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Managing Results
Optical Spectrum Analyzer 373
Managing EDFA Test Results
To define a marker:
1. From the main window, press the Markers tab.
2. Set the marker by entering precise values in the A, B, C, and D boxes.
Vertical markers A and B appears on the graph and the following
values will be displayed in the Markers tab.
³ Input and Output power values corresponding to the wavelength
position of both the markers.
³ wavelength difference between the markers (A-B)
³ power difference in dB between the markers for Input and Output
power values
³ power difference between Output and Input power for both the
markers in dB.
Horizontal markers C and D appears on the graph and the power
difference between the markers (C-D) related to the horizontal
markers will be displayed in the Markers tab.
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