Keywords

1. Morse code: Text encoded by signals and gaps.

2. Signal: There are two types of the signals:

2.1 Dot Signal: Short tone signal.

2.2 Dah Signal: Long tone signal.

3. Gap: There are three types of the gaps:

3.1 Signal Gap: Silence between signals.

3.2 Letter Gap: Silence between letters.

3.3 Word Gap: Silence between words. Not used in this app.

4. Short-form number code: A shortened version of the Normal-form number code.

5. DTMF(Dual-Tone Multi-Frequency): 16 types of multi-pattern dual-tone beep sounds are available for this app.

Morse code list

The Morse code follows international standards, but 10 and 11 are original to this app.

The time signal is fixed at 15-minute intervals.

|  HOUR  | NORMAL | SHORT |

|   12   | -----  | -     |

|    1   | .----  | .-    |

|    2   | ..---  | ..-   |

|    3   | ...--  | ...-  |

|    4   | ....-  | ....- |

|    5   | .....  | ..... |

|    6   | -....  | -.... |

|    7   | --...  | -...  |

|    8   | ---..  | -..   |

|    9   | ----.  | -.    |

|   10   | --.--  | --    |

|   11   | -.-.-  | -.-   |

| MINUTE | NORMAL | SHORT |

|    0   | -----  | -     |

|   15   | .----  | .-    |

|   30   | ..---  | ..-   |

|   45   | ...--  | ...-  |