To use this AVID Stage 16 Remote I/O device, first connect it to your S3L digital mixing system. Then plug in the included correct power supply. Make sure the power supply is properly connected to avoid any power - related issues. When using, keep it in a dry and cool place. Avoid exposing it to direct sunlight or high humidity. For maintenance, regularly check the power supply and connections for any signs of wear or damage. If you notice any problems, contact the customer service for further assistance.