What is the purpose of the DSC system?

The purpose of the Digital Selective Calling (DSC) system is specifically to send automated distress signals and communications. This system is critical in maritime safety as it allows vessels to alert nearby ships and coast stations of emergencies without requiring manual input, which can be crucial in life-threatening situations. When a vessel initiates a distress message through DSC, it automatically transmits the emergency signal to all vessels within range, ensuring a swift response.

The system enhances communication not only by automating distress calls but also by allowing vessel operators to send routine messages, including urgency and safety announcements. This automation helps reduce response times in emergencies, thereby potentially saving lives. The high level of standardization and reliability in the DSC system makes it an indispensable tool for modern maritime operations.

While other options mention important functions related to maritime activities, they don't capture the primary function of the DSC system as effectively as the correct answer. Conducting routine checks on equipment, navigating in poor visibility, and enhancing vessel-to-vessel communication are all essential aspects of maritime operations, but they are not the central purpose of DSC.