GMDSS Maintainer: Element 9

1. A Enter the station's MMSI, and press the button under the red plastic cover for 5 seconds.
2. B Select DSC menu item TEST, enter the Coast Station's FCC call letters, and send the test call.
3. C Select DSC menu item TEST, enter the Coast Station's MMSI number, and send the test.
4. D Select DSC menu ALL SHIPS, and send the test message.

Tip: press A-D to answer