EXFO FTB-5230S Optical Spectrum Analyzer for FTB 200 v2 - Manual (Page 171)

Managing Files and Test Configurations
OSA/OCA 165
Managing Favorites
3. To apply the settings from a favorite file to the current analysis setup,
select a file from the favorites list and press Apply Selection. This
button will be enabled only when a file is selected from the favorites
list. When you press Apply Selection, the contents of the file are
loaded in the other tabs of this window.
4. Press OK to proceed with the loaded configuration and close the
window, or press Cancel to exit without saving.
Note: Pressing OK automatically starts the reanalysis process if a measurement
file was already present.