Using the Klark Teknik DN9650 Digital Audio Network Bridge is easy. First, connect the correct power supply that comes with it to make sure it powers on properly. When using it, avoid placing it in a humid or dusty environment. For maintenance, keep it clean by gently wiping the surface with a dry cloth. Don't try to open the device by yourself as it may void the warranty. If you have any issues, contact the manufacturer's support team.