4 - pref: AccountAutoReconcile
8 - reconcile patron balances automatically on each transaction adding debits or credits.
10 - pref: FinePaymentAutoPopup
14 - automatically display a print dialog for a payment receipt when making a payment.
16 - pref: RoundFinesAtPayment
20 - round fines to the nearest cent when collecting payments. Enabling this preference allows paying fines of partial cents which may not be visible in the interface.
23 - pref: UseCashRegisters
28 - " cash registers with the accounting system to track payments."
30 - pref: EnablePointOfSale
35 - " the point of sale feature to allow anonymous transactions with the accounting system. (Requires UseCashRegisters)"