Radio Operator, High Speed, Automatic (777) Enlisted Personnel

Operates radio transmitting and receiving equipment in a fixed station. Sends and receives messages by perforated tape. International Morse Code (CW, ICW, or tone) signals and by light signals.
Receives messages, by visually reading tape and copying on a typewriter at a minimum speed of 30 five-letter random code groups per minute for a minimum period of 15 minutes with not more than one error per minute. Transmits by perforating tape at the same speed and accuracy, keeping the circuit in operation for a minimum period of 15 minutes.
Receives CW, ICW, or tone signals (copying by typewriter) at a minimum speed fo 25 five-letter random code groups per minute, without error, for a minimum period of 3 consecutive minutes out of 5.
Transmits CW, ICW, or ton signals, using hand key, at a minimum speed of 20 five-letter random code groups per minute, without error, for a minimum period of 2 consecutive minutes out of 3.
Handles by manual operation, without error, a minimum of 24 plaindress normal form messages (averaging 10 five-letter random code groups of text) per hour in a fixed station radio net of two or more stations through natural interference.
Receives and transmits messages by light signals at a minimum speed of 5 words per minute.
Maintains records pertaining to the handling of messages.
Performs first echelon maintenance by inspecting and cleaning equipment, making minor adjustments such as adjusting siphon recorder pen and replacing tubes.
Must be possess a working knowledge of combined radiotelephone and radiotelegraph and authentication procedures. Must have a working knowledge of the operation and adjustment of semi-automatic key.