ALTANA LCM IV - Manual (Page 84)

85
Standard programs
4. The reference graph is displayed in orange. The absorbance
or transmittance value and the associated wavelength are
displayed in orange.
•
In addition, the difference of the absorbance and/or
transmittance value between the two scans (measured
scan and reference scan) is indicated/highlighted at each
position of the cursor.
Note: A black and an orange field are displayed in the top left of the
screen. The orange box relates to the reference scan and the black
one relates to the current wavelength scan.
5. Press the black or orange field in the top left corner of the
screen to toggle between the measured wavelength scan
and the reference scan