The Flight schedule import is a 4 step procedure.
Select a SSIM (Standard Schedule Information Message) file.
The wizard will detect if the import file is made in LOCAL or UTC time.
The wizard will check you database for errors such as missing:
You can let the wizard help fix version and configs problems.
Active/Create: Select if the wizard shall create and activate.
Create versions and configs: Will create versions and configs according to whats in the SSIM
Use default versions and configs: Will use the defaults from Versions and configs database.
Use/create simple versions and configs: A simple version and config will be created based on the SSIM.
Period: The default period is the one from the SSIM file, but you can select a different period.
Filter: Derives from Leg filters
The duplicate handling is more like a compare and "do something". Depending on the above selection a correction/removal will be done to the found flight.
Before you save you will get some statistics.
In the Info section you can Tick/untick to filter what you like to see in the result window. Note that this has no effect on what changes will be made to your schedule.