ocr: Introduction is a review of the basic principles of spectroscopy. Theory describes how light is absorbed by molecules. Interpretation is the heart of the tutorial. Thirteen IR spectra are analyzed in detail. This section can also be used as a eterence. Only a single mouse click is required for any button. Main Menu Go back to the Main Menu screen. Help Brings up this screen. Quit Exit the program. Right Arrow* Got to next screen. Left Arrow" Go to previous DCTEETI. Keyboard arrows may be used instead. (Press any key to retum)