Assigning a primary or backup terminal role to a revenue center in a master terminal
If you have multiple revenue centers in one master terminal, you can assign
				primary and backup roles to your revenue centers. By default, a revenue center in a
				master terminal is assigned a primary role. 
		Note: This feature is applicable to
					master terminals only.
- From the functions menu, tap Backup RVC.
 - In the Backup RVC dialog box, tap an option.
 - Tap OK.