VHF DSC radios are crucial for distress communication and ensuring safe navigation in maritime environments. Regular service and maintenance include testing the DSC functionality, ensuring proper connection to other vessels and shore stations, and verifying that distress alerts are transmitted properly. Properly maintained VHF DSC radios provide reliable communication during emergencies, enabling quick response times. Timely repair services and testing ensure compliance with SOLAS requirements and enhance vessel communication capabilities, particularly in distress situations, improving the safety and security of the vessel and crew.