The AMI External Microphone for X2272 / VR2272-B is designed to capture and record bridge audio as part of a compatible Voyage Data Recorder (VDR) or Simplified Voyage Data Recorder (S-VDR) system. It enables the recording of bridge conversations and ambient audio for voyage data documentation and incident investigation. The microphone is intended for external installation and is designed for marine operating environments. Compatibility and installation requirements should be confirmed against the specific VDR/S-VDR configuration.