This Studer card (Part Number: A949.0427) offers four high - quality analog microphone and line inputs, perfect for enhancing your D21m system.

Using this Studer card is easy. First, locate the appropriate slot in your D21m Modular I/O System and gently insert the card. Connect your microphones or line - level devices to the four available inputs. When using, make sure your devices are powered off to avoid any electrical issues. For maintenance, keep the card in a clean and dry environment. Periodically check the connections to ensure they are secure. If you encounter any problems, contact Studer's customer service.