Read the tutorials and get to know your Quadrino Flight Controller. We recommend first reading Getting To Know Your Quadrino, which will introduce you to the PCB and it's various icons, diagrams and pin-outs. Then learn how to use MultiWiiConf to verify correct operation before configuring your Quadrino with your desired flight characteristics.
The easiest way to reconfigure and reflash the firmware is to use the Firmware Config Tool made specifically for the Quadrino product. This easy wizard-like application will lead you through the process of selecting your desired options and flight parameters.