This Studer card (Part Number: A949.0427) offers four analog microphone/line inputs, providing reliable 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. Connect your microphones or line - level devices to the four analog inputs. When powering on the system, check if the connections are stable. Note that you should 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 if necessary. Also, don't touch the electronic components with your bare hands to prevent static damage.