To use this Studer mic/line in card, first make sure your D21m Modular I/O System is powered off. Then, carefully insert the card into the appropriate slot. When powering on the system, it should automatically detect the card. For connecting microphones or line - level devices, use standard audio cables. Remember to keep the card in a clean and dry environment. Avoid exposing it to extreme temperatures or humidity. Periodically, check the connections to ensure they are secure. If you encounter any issues, power off the system before checking the card.
