EXFO FTB -5240S/5240BP Optical Spectrum Analyzer for FTB 500 (NS-1434) - Manual (Page 155)

Setting Up the Instrument in Drift Mode
Optical Spectrum Analyzer 147
Setting Up Drift Analysis Parameters
Managing Favorites
Favorites are configurations files that contain all of the parameters from the
Analysis Setup tab and Acquisition tab. When you often use the same
settings, you can save them as a favorite, then recall them for future
acquisitions.
To apply a test configuration to the current acquisition:
1. From the Main Menu, press Analysis Setup.
OR
From the main window, press .