Metrohm NIRS XDS MasterLab Analyzer - Manual (Page 88)

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Vision takes an instrument reference.
The reference spectrum is shown in red. Note
that Reference Standardization is not shown
as applied to this spectrum – it is displayed in
raw form.
Next, the T02 standard is displayed. Each
standard spectrum will be displayed, until the
test is complete.
When the last standard is scanned. Vision indicates
that IPV Setup has “Passed”. This verifies that the
correct file has been written to the active Vision
directory.
During IPV Setup; Vision writes a special file that is
subsequently used in Photometric Certification. This
new file is named TSSVxxxx.
The “V” indicates that this file is to be used for
long-term Verification of the photometric scale of
the instrument.
This file is written to the C:\Vision directory, or
whatever directory from which Vision is operating.
Click “Close Report” to finish.