EXFO FTB-5800 Chromatic Dispersion Analyzer for FTB-400 - Manual (Page 43)

Operating Your Chromatic Dispersion Analyzer
Chromatic Dispersion Analyzer 37
Measuring Chromatic Dispersion
7. On the button bar, click Start.
The Start button becomes a red Stop button. The application
automatically goes to the Results Graph tab. You can move to the
Results Table tab to see your results.
Note: The application takes some time to evaluate the power of the source. The
stronger the signal, the shorter the acquisition.
To stop the acquisition before it is complete:
Click the Stop button. The button changes back to a green Start button.