Configuring RVC Parameters You must enable the OPERA PMS interface for each revenue center that uses OPERA. Select the revenue center, click Setup, and then click RVC Parameters Click the Interfaces tab. Select the PMS interface to enable the OPERA PMS interface for the revenue center. Figure 44-10 Revenue Center Parameters Interfaces Tab Click Save. Repeat Steps 1 through 4 for each revenue center that uses the OPERA PMS interface.