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HAPSITE ER Operating Manual
3 Check the Search NIST/User box in the Control Panel. The library 
identification and the library spectra will be displayed above the spectra of the 
sample. (See Figure 8-50.)
Figure 8-50  Search NIST/User
4 The Similarity Index Number (SI #) will be located next to the library 
identification. A number of 700 and above indicates a good match. A number 
of 800 and above indicates a very good match. A number of 900 and above is 
an excellent match. A match of 1000 is a perfect match. (See Figure 8-51.)
Figure 8-51  SI Number