Subelement G: VHF-DSC Equipment & Comms— Topic :
Question 49G1
Element 7R (GMDSS-RO)The DSC received call directory usually sorts and stores incoming calls in what manner?
Explanation
Digital Selective Calling (DSC) systems are designed for efficient and reliable communication, especially in maritime emergencies. To ensure critical messages are not overlooked, DSC radios typically separate incoming calls into distinct categories based on their "nature of communication" or priority.
High-priority calls, such as distress and urgency alerts, require immediate attention and are stored in a dedicated directory. Lower-priority calls, like safety and routine communications, are stored separately. This prioritization ensures that watchstanders can quickly identify and respond to life-threatening situations without sifting through less urgent messages, aligning with the fundamental safety principles of radio communication.
Options B, C, and D are incorrect because combining all calls or only saving distress/urgency calls would hinder effective communication management and potentially delay responses to critical safety information.
Related Questions
48G5 What conditions must exist for a completely automatic DSC acknowledgement of a Routine call and change to suggested working channel?48G6 What actions will take place upon receipt of a Routine call from another vessel if both vessels are programmed for automatic response and the ECC is no good?49G2 Why would you want to access your MMSI number?49G3 What precautions should be taken when reviewing previously transmitted messages?49G4 How many times is it possible to change your own MMSI number in a VHF unit?