HP Data Explorer 4 Series - Manual (Page 325)

Mariner Data Examples
Data Explorer ™ Software User’s Guide 7-9
7
The spectrum range is displayed in the Spectra To Be
Subtracted list in the Add and Subtract Spectra dialog
box (Figure 7-6).
Figure 7-6 Subtracting Spectra
6. Click OK.
The subtracted spectrum is displayed (Figure 7-7 on
page 7-10).