Detailed Instructions: In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.
Q: On January 20 , 1914 , the London International Convention on Safety of Life at Sea adopted the Morse code signal TTT ( — — — ) , three letter T 's ( — ) spaced correctly as three letters so as not to be confused with the letter O ( - - - ) , as the " Safety Signal , " used for messages to ships " involving safety of navigation and being of an urgent character . "
A:
On 20 January 1914 , the London International Convention on Safety of Life at Sea adopted as the " Safety Signal " the Morse code sequence " TTT " ▄ ▄ ▄ ▄ ▄ ▄ ▄ ▄ ▄ ▄ ▄ ▄ ▄ ▄ ▄ ▄ ▄ ▄ ( three " T 's " ( ▄ ▄ ▄ ▄ ▄ ▄ ) ) — spaced normally as three letters so as not to be confused with the three dashes of the letter O ( ▄ ▄ ▄ ▄ ▄ ▄ ▄ ▄ ▄ ▄ ▄ ▄ ▄ ▄ ) — and used for messages to ships " involving safety of navigation and being of an urgent character " .