There are several options available to each device in the settings area of the control center. They are all found by going to the control center, and tapping settings.
2 Step Pay - Enables a manual signature and tip line on a printed receipt.
Tables - Indicates if the use of tables is enabled and mandatory for the account.
Kitchen - Enables the kitchen screen on the device. Also allows for selection of items assigned to the device you are on.
Tipping - Enables tipping on the screen for customers. Tip rates are set in the back office.
Paranoia - Enables a set of security features and a screen lock out timer.
Dark & Creepy - Changes the view to a dark background for use in a lower lit environment.
Print Always - Will always print a receipt for your customer.