Ten-codes, officially known as ten signals, are brevity codes used to represent common phrases in voice communication, particularly by US public safety officials and in citizens band (CB) radio transmissions. The police version of ten-codes is officially known as the APCO Project 14 Aural Brevity Code.[1]

In addition to law enforcement, ten-codes are frequently used on Citizens' Band (CB) radio. One of the most frequently used ten-codes, 10-4, has become popular enough to sometimes be used in every-day language. Clear to copy transmission? A list of …

2018年8月2日 · 10-4 is one of the so-called ten-codes, or radio signals, invented by the Association of Public-Safety Communications Officials-International (APCO). 10-4 is an affirmative signal: it means “OK.”

2024年3月21日 · In essence, 10-4 just means "message received" or "OK." There are other ways to communicate the same thing over radios and walkie talkies that don't require the 10 codes.

2024年1月30日 · (WTAJ) — Have you ever heard someone, possibly a police officer, say “10-4” in response to something? What does that mean and where did it come from? “10-4,” meaning acknowledgment or okay, comes from the 10-Codes list that emergency personnel use to communicate with each other, commonly done over the radio.

2024年12月29日 · Use “10-4” to acknowledge and confirm a request. If someone asks you to do something, like look out on the road ahead for stopped vehicles, or give you the coordinates of a location, you can say “10-4” as a way of saying “I hear you, and I will do that.”

2024年11月26日 · Uncover the meaning behind the famous 10-4 police code, its origin in law enforcement communication, and why it remains a popular phrase in radio conversations.

10-4 is a common radio response used in the United States as a means of acknowledging an incoming transmission. It translates to "I received your message loud and clear" or "understood." The use of 10-4 has become so widespread among American police officers on police radio that it is sometimes referred to simply as "The Ten Four."

2012年5月7日 · Affirmative indicates agreement. 10-4 just indicates that the message was acknowledged and understood. An important point here is that the "Ten codes" did not originate with the CB, but started with police radio communications.

2021年1月9日 · 看到「Ten-four」很多人的第一反應都是「10-4」，但是它想表達的意思真的不是「十槓四」。 Ten-four 收到；是，好 Ten-four 是二十世紀初的通訊用語，表示「消息收到、知道、立即執行」等意思。 例： Ten-four, old buddy. I will do that. 好的，老夥計。 我會的。