Exfo FTB -5240S/5240BP Optical Spectrum Analyzer for FT Bedienungsanleitung PDF herunterladen (Seite 337)

100

101

Managing Results

Optical Spectrum Analyzer 329

Managing Drift Test Results

When the acquisition is taken (see Starting a Measurement on page 273 for

details on how to perform a test), the trace will be displayed in the WDM

Graph tab with information along the following axis values:

³ X axis: wavelength in nm or frequency in THz

³ Y axis: optical power expressed in dBm, as measured in the optical

resolution bandwidth (RBW) of the OSA. This reference RBW is shown

at the bottom right of the graph.

The graph will display peak indicators for all the channels found by the

application. A blue horizontal bar ( ) will be displayed on the top of the

channels, with a red horizontal line over the peaks to indicate the peak

position.

You can also perform the following on your graph:

³ Move markers on the graph.

³ Use zoom functions to zoom on specific areas or peaks of the graph.

Note: For more information on these, see Markers Tab on page 330 and Using

Zoom Controls on page 396.

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