EXFO FTB-5800 Chromatic Dispersion Analyzer for FTB-400 - Manual (Page 35)

Operating Your Chromatic Dispersion Analyzer
Chromatic Dispersion Analyzer 29
Performing Reference Measurements
To take a wavelength reference:
Note: If the application has prompted you for a wavelength reference (after
initialization), you will be brought to step 3 of this procedure automatically.
1. Ensure that the fiber is properly connected to the Ref/High Power port.
2. On the Parameters tab, click the Take Reference button.