In POS Screen :
1.) Go to File > System Options
2.) There is some additional function called Used Log in User Default project setting in POS.
3.) The system will check if the login cashier code same as user maintenance. Means, If login POS as ADMIN where this usercode can be found in user maintenance, then the project will followed System user maintenance which will captured 02.
4.) But if Login Cashier as QNE, which do not exist in system user maintenance, then it will refer to POS project = 2121