EXFO FOT-930 Multifunction Loss Tester - Manual (Page 42)

Measuring Power or Loss
34 FOT-930
Referencing Your Power Meter to a Source
To reference the power meter to a source:
1. Press Menu, then select Power Meter.
2. Check your fibers and clean them properly for optimum performance
(see Cleaning and Connecting Optical Fibers on page 22).
3. Using one of the following methods, connect a light source to the
power meter port of your unit.

One single reference patchcord

Two reference patchcords and a bulkhead adapter
4. Activate the source at the desired wavelength.
5. Match the power meter wavelength with the
source wavelength as follows:

Press Wavelength (F1/F2 key) to switch
between
favorite wavelengths of your
power meter (see Defining the List of
Favorite Wavelengths on page 30).
OR

If the source emits an auto-wavelength signal and auto-detection is
enabled (see Automatically Detecting Wavelength on page 39), the
power meter automatically matches the source wavelength.
Light
source Power
meter
Adapter Reference
patchcord
Light
source Power
meter
Adapter Reference
patchcord
Bulkhead
adapter
Reference
patchcord