EXFO FTB-5230S Optical Spectrum Analyzer for FTB-500 - Manual (Page 94)

Setting Up the Instrument in WDM Mode
88 FTB-5230S/-OCA
Setting Up Acquisition Parameters
3. If you are performing an averaging type acquisition, enter the number
of scans the unit will perform.
4. Select the wavelength range for your acquisition.
You can select the wavelength range by entering the start and stop values
or by selecting a range on the double slider.
To select the wavelength range using the double slider, move the left and
right handles on the double slider or simply click on any band.
Note: You can select more than one adjoining ranges to include in your range, for
example, S + C.