EXFO iOLM - Manual (Page 94)

Starting an Acquisition
88 iOLM
Starting a Single-Wavelength Acquisition
Starting a Single-Wavelength Acquisition
The single-wavelength acquisition allows you to take an acquisition on a
specific wavelength if multiple wavelengths are present in the module.
To start single wavelength acquisition:
1. If you unit supports it, from the iOLM tab, select the port to use. The
fiber core is selected at the same time as the port. For C fiber, select
50 m and for D fiber, select 62.5 m.