Methods of signals |
Kinds of signals |
Messages of signals |
1. From the assistant
to the diver |
Full once. |
Is there anything wrong?
If you are diving down, halt. |
Full twice. |
Dive down.
Because you are further to the surface than needs if you are rising to the surface, dive down till an instruction is given. |
Full three times. |
Prepare for rising to the surface. |
Full four times. |
Prepare for rising to the surface. |
Full twice and then once. |
Respond to the phone (or signal). |
2. From the diver
to the assistant |
Full once |
Halt.
If you are doing an operation of diving down,
let me go to the bottom of the sea. |
Full twice. |
Let me dive down. |
Full three times. |
Full the loose rope. (Preparation for rising to the surface) |
Full four times. |
Let me rise to the surface. |
Full twice and then once. |
Respond to the phone (or signal). |
3. Particular signals |
Full once, and then twice, and finally three times. |
Send me a short rope. |
Full five times. |
Send me a long rope. |
Full twice, and then once, and finally twice. |
Send me a slate. |
4. Emergency signals |
Full twice in succession. |
I am entangled.
I need the other diver’s help. |
Full three times in succession. |
I am entangled in something, but I can untie it. |
Full four times in succession. |
Let me come to the surface instantly. |
5. Air signals |
Full three times and then twice. |
Supply more air to me. |
Full four times and then three times. |
Reduce the supply of air. |
6. Exploration
Signals |
A.
Nonuse of an exploration rope |
Full once. |
Halt and then look all around. |
Full twice. |
If a rope is loose, move far away from the assistant.
If a rope is pulled, move toward the assistant. |
Full three times. |
Move to the right side of the assistant. |
Full four times. |
Move to the left side of the assistant. |
Full seven times. |
The exploration begins. The exploration is completed. |
B.
Use of an exploration rope |
Full once. |
Halt and then search all around. |
Full twice. |
Move away from the weight. |
Full three times. |
Move to the right side of the weight. |
Full four times. |
Move to the left side of the weight. |
Full seven times. |
The exploration begins. The exploration is completed. |