“Control” prowords are used to control the message flow between the two operators. They can be used to:
The control prowords are:
MESSAGE NUMBER
- Indicates the start of a message
ROGER
- Acknowledged, i.e. “I heard and understood” (does NOT mean “yes”)
BREAK
STAND BY
CONTINUE or GO
- Used by the receiver to tell the sender to continue with the next set of five words/groups
NEWLINE
- Skip to a new line; paragraph break
MESSAGE ENDS or END OF MESSAGE
- Indicates the end of the message content
SAY AGAIN or SPELL [PHONETICALLY]