GMDSS: Element 7

1. A The ship station begins transmitting the text to the destination telex terminal.
2. B The vessel will request the shore station's answerback to confirm it has reached the correct station.
3. C The ship will transmit the desired command (such as DIRTLX+, OBS+ or AMV+) to the coast radio station.
4. D After exchanging answer-backs (WRU/AAB) the coast station transmits GA+? and awaits a command.

Tip: press A-D to answer