This Studer card, with part number A949.0427, offers four analog microphone and line inputs, providing high - quality audio input solutions for your system.

Using this Studer input card is easy. 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 sources to the four analog input ports. When powering on the system, ensure a stable power supply. As for maintenance, keep the card in a clean and dry environment. Avoid exposing it to extreme temperatures or humidity. If you encounter any issues, power off the system immediately and check the connections. Don't try to repair the card yourself. Instead, contact Studer's customer service.