EXFO AXS-100 Series OTDR - Manual (Page 93)

Measuring Power or Loss
OTDR 85
Referencing Your Power Meter to a Source
4. Activate the source at the desired wavelength.
5. Match the power meter wavelength with the
source wavelength.
Press Wavelength (F1/F2 key) to switch
between
favorite wavelengths of your power
meter (see Defining the List of Favorite
Wavelengths on page 80).
6. Press W/dBm/dB (F1/F2 key) until you get dB units to retrieve the last
saved reference.
OR
Press Reference (F1/F2 key) to save the
current power as the new reference.
Reference power appears (in dBm) and
current loss is automatically switched to dB.
7. Repeat the procedure for each wavelength you want to reference.