This feature adjusts the ticket transfer pop-up display using transfer ticket or unit transfer. To find out more about unit transfer, you can refer to this page.
System Settings - Default Transfer Type
If you choose the 'Unit Transfer' as your default transfer type, the pop-up transfer ticket window will display the Unit Transfer tab first.
Default Transfer Type - Unit Transfer
Meanwhile, when you choose the 'Transfer' as your default transfer type, the pop-up transfer ticket window will display the Transfer tab first.