Specific modes of instrument operation such as Scan, Time Drive, and Ratio Data Collection can be easily accessed in the Application Menu. The excitation and emission monochromators can be scanned independently or synchronously. In addition, the PRESCAN mode is an ideal method development tool for location of peak excitation and emission maxima. FL WinLab includes a validation protocol that automatically checks the instrument performance to ensure that it is operating within specification. FL WinLab, when combined with the LS 45, provides a wealth of tools for data collection and analysis such as: