Alphabet.
| A . - | N - . |
| B - . . . | O - - - |
| C - . - . | P . - - . |
| D - . . | Q - - . - |
| E . | R . - . |
| F . . - . | S . . . |
| G - - . | T - |
| H . . . . | U . . - |
| I . . | V . . . - |
| J . - - - | W . - - |
| K - . - | X - . . - |
| L . - . . | Y - . - - |
| M - - | Z - - . . |
Numerals.
| 1 . - - - - | 6 - . . . . |
| 2 . . - - - | 7 - - . . . |
| 3 . . . - - | 8 - - - . . |
| 4 . . . . - | 9 - - - - . |
| 5 . . . . . | 0 - - - - - |
Punctuation.
| Period | . . . . . . |
| Comma | . - . - . - |
| Interrogation | . . - - . . |
| Hyphen or dash | - . . . . - |
| Parentheses (before and after the words) | - . - - . - |
| Quotation mark (beginning and ending) | . - . . - . |
| Exclamation | - - . . - |
| Apostrophe | . - - - - . |
| Semicolon | - . - . - . |
| Colon | - - - . . . |
| Bar indicating fraction | - . . - . |
| Underline (before and after the word or words it is wished to underline) | . . - - . - |
| Double dash (between preamble and address, between address and body of message, between body of message and signature, and immediately before a fraction) | - . . . - |
| Cross | . - . - . |
Visual Signaling in General.
21. Methods of visual signaling are divided as follows:
(a) By flag, torch, hand lantern, or beam of searchlight (without shutter). (General Service Code).
(b) By heliograph, flash lantern, or searchlight (with shutter). (General Service Code).