Exfo FTB -5240S/5240BP Optical Spectrum Analyzer for FT Manuel d'utilisateur Page 332

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Managing Results
324 FTB-5240S/5240BP
Managing Drift Test Results
Channel Graph Tab
The Channel Graph tab displays three different graphs for the selected
channel. You can select which graphs you want to display from the Drift
Results tab in the Preferences Window. The three graphs are X-Y plots of:
³ Spectral position (center of mass of wavelength or frequency) of the
channel against time
³ Signal power of the channel against time
³ OSNR of the channel against time
You can also perform the following on your graph:
³ Use zoom functions to zoom on specific areas or peaks of the graph.
Note: For more information on zoom, see Using Zoom Controls on page 396.
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