To use this Studer input card, first make sure your D21m Modular I/O System is powered off. Then, carefully insert the card into the appropriate slot in the system. Once it's securely in place, you can connect your microphones or line - level devices to the four available inputs. When using, keep the system in a dry and clean environment. Avoid exposing it to extreme temperatures or humidity. For maintenance, gently clean the card with a soft, dry cloth every few months to remove any dust. If you encounter any issues, power off the system immediately and check the connections.
