EXFO FTB -5240S/5240BP Optical Spectrum Analyzer for FTB 500 (NS-1434) - Manual (Page 223)

Setting Up the Instrument in EDFA Mode
Optical Spectrum Analyzer 215
Defining Preferences
2. Select the Comments tab.
3. Enter your comments for the current trace.
4. Press OK to save the changes and close the window, or press Cancel to
exit without saving.
Press Clear to clear all the changes made in the Comments tab.