Sircle POS CFD (Customer Facing Display) allows customer to view their product as the cashier is scanning/entering it into the Sircle Point of Sale. Sircle POS CFD Features: Works with Sircle Point of Sale. Customizable advertisements. Support: 10: 00 AM to 6: 00 PM Monday to Friday (EST) phone support. TOPICS: sirclepos. Sircle pos. Sircle point of sale. Convenience POS.