Exfo FTB -5240S/5240BP Optical Spectrum Analyzer Manual de usuario Pagina 229

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Setting Up the Instrument in EDFA Mode
OSA 223
Setting Up EDFA Analysis Parameters
Output wavelength offset (nm): offset value applied on the output
wavelength. This does not replace a calibration performed at
EXFO, but it can help you temporarily sharpen the specifications if
you have determined that, for example, your modules are used
beyond the normal allowed. Entering a value in THz is not possible.
When an offset is applied, it is indicated at the bottom of the graph
( ).
Output power offset (dB): offset value applied on the output
power. This does not replace a calibration performed at EXFO, but
it can help you achieve the specifications if you have determined
that, for example, your modules are used beyond the normal
allowed. When an offset is applied, it is indicated at the bottom of
the graph (P ).
To edit the power offset value as a tap percentage, press the Edit %
button.
The percentage value entered in Edit percentage will be
converted to a corresponding equivalent value in dB.
5. Press OK to save the changes and close the window, or press Cancel to
exit without saving.
Press Restore Defaults to remove all the changes and apply the default
values.
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