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EXFO FOT-930 Multifunction Loss Tester User Manual

Page 42

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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