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Keysight N77xx Series
Figure 39
Extrapolation and Interpolation of Offset Values
•
If the operating wavelength matches a wavelength stored in the
Offset Table, the exact offset value is used.
•
If the operating wavelength is between two wavelengths stored in
the Offset Table, the offset applied is calculated by linear
interpolation.
•
If the operating wavelength is greater than, or less than, the range of
wavelengths stored in the Offset Table, the offset value for the closest
wavelength is extrapolated.
Creating or Editing the Offset Table
You can create or edit the Offset Table if the P
1 Make sure the the P
2 Click the "Offset Table" button.
3 If you want to edit an existing offset table, click the "Load" button to
load it from your PC, or click on the "Get from N77xx" button, to load
the table being used by the attenuator.
– To add a new pair, enter the wavelength:offset pair in the empty
row at the bottom of the table.
– The Offset Table is automatically ordered by wavelength; there is
no need to enter wavelenght:offset pairs in any particular order.
– To edit the offset for an existing entry, click in the field and enter
the new offset.
– To remove an existing entry, click in the wavelength field and
delete the wavelength.
4 To save a copy of the offset table to your PC, click the "Save" button.
(l) function is NOT on.
Offset
Attenuation 2
(l) function is not on.
Offset
57
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