EXFO FTB -5240S/5240BP Optical Spectrum Analyzer - Manual (Page 180)

Setting Up the Instrument in FP Mode
174 FTB-5240S/S-P/BP
Setting Up Acquisition Parameters
To set parameters in the Acquisition tab:
1. From the main window, select the Acquisition tab.
2. Select the acquisition type.
3. If you are performing an averaging type acquisition, enter the number
of scans the unit will perform.
Note: You cannot modify the number of scans count value if you are performing a
single or real-time acquisition.