: Transceiver unit (IP20/IP22); Watertight Remote Station (IP56). Furuno Italia Maintenance and Troubleshooting
, which allows for the automatic recording of the last 120 seconds of incoming audio on the current channel, making it a critical tool for verifying missed or unclear communications. Furuno Sverige Key Technical Features in the Service Manual According to technical documentation and the FM-8900S Service Menu section, these features are essential for maintenance: Diagnostic Service Menu fm8900s service manual