Using this Yamaha CL5 digital mixing console is easy. First, connect it to the correct power supply included with the product. This will keep it running smoothly. When you're setting up for a performance or recording, start by adjusting the channels according to your audio sources. Make sure to test the sound levels before you begin. As for maintenance, keep the console in a clean and dry place. Regularly check the power supply for any signs of damage. If you encounter any issues, don't try to fix it yourself right away. Instead, contact Yamaha's customer service for professional help. This way, you can enjoy high - quality audio mixing for a long time.