If your PDF includes QR codes or links to audio files, use them. Listen to each dialogue twice. Then read the transcript in the PDF to catch what you missed. Pay special attention to numbers (coordinates, engine RPMs, temperatures) and urgency markers (e.g., "Mayday," "Pan-pan").
However, preparing for the Marlins Test can be intimidating. The test covers specific maritime vocabulary, navigational commands, safety procedures, and social interactions that you won't find in a general English textbook. That is where a becomes an invaluable tool. Marlins Test Practice Pdf