Metrohm NIRS XDS MasterLab Analyzer - Manual (Page 130)

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Vision displays the wavelength regions for
test.
For reflectance instruments, these regions
give a good overall picture of instrument
performance and repeatability. The
wavelength areas are chosen in flat parts
of the standards spectra for stability.
For Number of Replicates, retain the
default setting of 1.
Click on “OK”.
Vision will begin to take an instrument
reference scan, if the instrument is
operating in Reference Standardized mode.
The red progress bar at the bottom of the
screen indicates status.
If operating in Reference Standardized
mode, Vision requests the 99% standard
from the set.
If not operating in Reference Standardized
mode, Vision requests the 80% standard,
which is used in place of the internal
instrument reference.
Select the requested standard from the set.
Labels on the back of each standard
identify the reflectance value.