Monitor Optical Power
How to Control the Light Source
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The meters show the power levels received on the input port.
This control shows when the meters measure absolute power.
Tap the control to see the power measurement in dBm
(decibels per milliwatt), mW (milliwatts), µW (microwatts), or
nW (nanowatts.
To select a wavelength for the power meter, tap λ.
Use the Auto CertiFiber Pro and Auto SimpliFiber Pro modes
only with a CertiFiber Pro or SimpliFiber Pro source. In these
modes, the tester reads the wavelength identifiers transmitted
by the source to know when to measure power at each
wavelength.
To monitor power loss (), tap LOSS or REF.
When you tap REF, the tester saves the present measurements
as reference levels and the meters show power loss (
).
To save the power and loss measurements, tap SAVE.
To see the present, minimum, maximum, and reference power
or loss levels, tap a meter.
To set the minimum and maximum values to zero, tap CLEAR
MIN/MAX in the Min/Max/Ref window.
When you tap LOSS or REF, the meters show power loss. The
loss is the difference between the reference power levels and
the measured power levels.
To monitor absolute power, tap POWER.
How to Control the Light Source
When you do tests in Far End Source mode, you use the button on
the module to turn on the remote’s light source manually. You
can also turn on the main tester’s light source manually and use
the main tester as an optical source.
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