The Edit Light Fixture Schedule Master Settings command is used to change the appearance of the light fixture schedule in the master database. Changes made this way will affect newly created projects.
To edit the light fixture schedule master settings, go to
Ribbon: DM Photo: Customization->Master & Standards Customization-> 
Light Fixture Schedule Master Settings
Pulldown Menu: DM Photometrics->Customization->Schedules->Edit Light Fixture Schedule Master Settings
See the Edit Light Fixture Schedule Layout section for more information.