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EXFO FTB-5230S Optical Spectrum Analyzer for FTB 200 v2 User Manual

Page 199

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Managing Results

OSA/OCA

193

Managing Drift Test Results

When the acquisition is taken (see Starting a Measurement on page 153 for
details on how to perform a test), the active trace will be displayed in the
tab with information along the following axis values:

X axis: wavelength in nm or frequency in THz.

Y axis: optical power expressed in dBm, as measured in the optical
resolution bandwidth (RBW) of the OSA/OCA. This reference RBW is
shown at the bottom of the graph.

The graph will display peak indicators for all the channels found by the
application with a red vertical line over the peaks to indicate the peak
position.

A blue horizontal bar (

) will be displayed on the top of a channel if it

does not overlap with another channel. If the channel overlaps with
another channel, the horizontal bar will be yellow (

).