What instruction is given with the code 10-39?

The code 10-39 refers specifically to "Message delivered." This code is part of a series of ten-codes used in law enforcement and other emergency services to communicate information succinctly and clearly over the radio. When an officer uses this code, it indicates that they have successfully delivered or received a message, confirming the completion of a communication task that might have been important for operational efficiency or coordination among officers.

Understanding the meanings behind these codes is crucial for effective communication in emergency situations. The other codes listed relate to different scenarios: for instance, conveying confidential information, requesting an officer to standby for emergency traffic, or coordinating a meeting at a specific location, but they do not pertain to the status of message delivery as the 10-39 does.