ocr: Theory of Infrared Spectroscopy This section introduces the concept of normal modes and group trequencies. Step through the tutorial using the torward and oackward arrows on the DrEeTT or on - the keyboard. When the double arrow replaces the single arrow, click onit to load the next section of the tutorial. Only a single mouse click is required for any button. Main Menu Go back to the Main Menu. Help Brings up this screen. Quit Exit the program. Right Arrow" Goto next DCTEETI. Left Arrow" Goto previous OCTEEII. Keyboard arrows may be used instead. (Press any key to retum)
