GMDSS: Element 7

1. A Make a radiotelephone call to a coast station.
2. B Initiate an ARQ call to demonstrate that the transmitter and antenna are working.
3. C Initiate an ARQ call to a Coast Station and wait for the automatic exchange of answerbacks.
4. D Initiate an FEC call to demonstrate that the transmitter and antenna are working.

Tip: press A-D to answer