This Studer card (Part Number: A949.0427) offers four high - quality analog microphone/line inputs, providing excellent audio input solutions.

To use this Studer card, first, make sure your D21m Modular I/O System is powered off. Then, carefully insert the card into the appropriate slot. Power on the system and you can connect your microphones or line - level devices to the four analog inputs. When using, avoid exposing the card to extreme temperatures or humidity. For maintenance, keep the card clean and free of dust. You can use a soft, dry cloth to gently wipe it from time to time. If you encounter any issues, turn off the system and check the card's connection.