EXFO CT440 Series, User Manual

Page: 42 / 169

Performing Measurement Scans
36
CT440
Configuring the CT440 for Measurements
4. Click the button or anywhere on the screen outside the window to exit.
To configure the scanning options:
1.
Start the CT440 (see Starting/Stopping the CT440 on page 21).
2. In the main window, click the button located to the left of the Scan button.
The
Scan Parameters
window appears.
PDL Method CT440 with PDL option only.

4 States
: the CT440 performs 4 polarization-controlled
successive sweeps to achieve the PDL measurement.
6 States
: the CT440 performs 6 polarization-controlled
successive sweeps to achieve the PDL measurement. This
provides the best measurement performance but it takes longer.
Parameter Description