To use this Studer card, first make sure your system is powered off. Carefully insert the card into the appropriate slot in your audio device. Once it's securely in place, power on your system. When using it for live events, set up your audio sources and connect them to the card. You can then adjust the audio settings according to your needs. As for maintenance, keep the card clean and free from dust. Avoid exposing it to extreme temperatures or humidity. If you encounter any issues, turn off the system immediately and check for loose connections. If the problem persists, contact Studer's customer support.