To use your Pivitec e32 Personal Mixer, first connect your audio sources to the mixer inputs. Since it doesn't come with a power supply, you'll need to use your own external power source. When you're done, turn off the mixer and disconnect the power. For maintenance, keep the mixer in a dry and clean place. Avoid exposing it to extreme temperatures or moisture. Regularly check the connections to ensure they are secure. If you notice any issues, don't try to repair it yourself. Instead, contact the manufacturer for assistance.