a fluid control system may comprise a pump , a tank , and an actuator including a working chamber . the system may be operative to control rotational movement of a swing structure and movement of an least one implement . a valve assembly may be configured to control fluid communication between the working chamber and the tank and to control fluid communication between the working chamber and the pump . an input device may be operative to selectively control movement of the swing structure . the system may include a controller in communication with the valve assembly and the input device . the controller may be configured to control a flow condition of the working chamber through a sensed pressure condition of the working chamber and a command from the input device .