wtw PhotoLab Spektral, Operating Instructions Manual

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10 Special functions
The spectrum function facilitates to measure the
absorbance at several wavelengths simultaneously.
The course of the absorbance is presented graphi-
cally or in the form of a table in a selectable range
within 330 nm to 850 nm (smallest range 10 nm).
→
In the setup menu, call up the special functions
submenu.
The following display appears:
→
Call up the spectrum menu item.
→
In the spectrum menu, call up the graphic para-
meters menu item.
Possible settings for the spectrum graphic:
Dimension of the y axis:
→
Use or to select between
●
A (Absorbance)
●
%T (Transmission)
→
Confirm with .
Scaling:
→
Use or to select between
●
auto (wavelength range 330 nm to 850 nm;
scaling of the absorbance or transmission range
is automatic)
●
manual (wavelength range and absorbance or
transmission range are determined individually)
→
Confirm with .
10
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10.1 Spectrum
10.1.1 Setting up the graphic parameters