A control arrangement (20) for an entrance system (10) having one or more movable door members (D1 . . . Dm) and an automatic door operator (30) for causing movements of the one or more movable door members (D1 . . . Dm) between closed and open positions is provided. The control arrangement (20) comprising a controller (32) configured to control operation of the automatic door operator (30) in a selected operating mode among a plurality of operating modes. The control arrangement (20) is characterized in that it comprises communication means (58), and the controller (32) is configured to communicate via the communication means (58) with an external computing resource (110) to set the selected operating mode.