To log out of the Point of Sale, click into the Log Out menu:
Click Switch Cashier to stay on the current register, but allow a different cashier to log in.
Click Log Out to exit the current register completely.
Forcing cashiers to log in for each transaction
If you wish, you can force cashiers to log in at the start of each transaction. To do this, follow the steps in this article: How do I set up the POS Cashier Quick Switch?