EXFO FTB -5240S/5240BP Optical Spectrum Analyzer for FTB 500 (NS-1434) - Manual (Page 398)

Managing Results
390 FTB-5240S/5240BP
Managing EDFA Test Results
Changing Active Trace Analysis Parameters
The global parameters modifies the active trace. These changes pertain to
the analysis and the channel parameters.
Note: The modifications made to the global analysis parameters will be applied
to the active trace only.
To change global analysis parameters:
1. From the main window, select the Global Results tab.
2. Press Global Parameters.