The Preset key on the instrument sets the entire WDM
channel analyzer wavelength range of 1270–1650 nm. If
a user-defined wavelength range limit was set using
WL LIM, the following procedure will ensure that
responses across the full wavelength range are mea-
sured.
1 Press the Setup key.
2 Press the WL LIM softkey.
3 Press LIM OFF to remove the limits on wavelength range.
Setting Up the WDM Channel Analyzer
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