EXFO FTB-5800 Chromatic Dispersion Analyzer for FTB-400 - Manual (Page 37)

Operating Your Chromatic Dispersion Analyzer
Chromatic Dispersion Analyzer 31
Performing Reference Measurements
To take a chromatic dispersion reference:
1. Ensure that a wavelength reference has been performed.
2. Ensure that the fiber is properly connected to the Ref/High Power port.
3. In the Parameters tab, click the Take Reference button.