Code

In APCO, Association of Public-Safety Communications Officials 10-codes, 10-9 means "Repeat Message" or "Say Again". It is used to request that the previous radio transmission be repeated because it was unclear, missed, or interrupted.

Here’s how it might be used in a real-world scenario:

In APCO, Association of Public-Safety Communications Officials 10-codes, 10-8 means "In Service" or "Available for Calls". It is used to indicate that a unit or officer is on duty, available, and ready to respond to new assignments or emergencies.

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In APCO, Association of Public-Safety Communications Officials 10-codes, 10-7 means "Out of Service". It is used to indicate that a unit or officer is temporarily unavailable for dispatch or new assignments, often due to the end of a shift, maintenance, or other operational reasons.

Here’s how it might be used in a real-world scenario:

In APCO, Association of Public-Safety Communications Officials 10-codes, 10-6 means "Busy" or "Out of Service". It is used to indicate that a unit or officer is currently occupied and unavailable for additional assignments or communications.

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In APCO, Association of Public-Safety Communications Officials 10-codes, 10-5 means "Relay Message" or "Relay To". It is used to indicate that a message should be passed through another unit, officer, or dispatcher to reach its intended recipient.

Here’s how it might be used in a real-world scenario:

In APCO, Association of Public-Safety Communications Officials 10-codes, 10-4 means "Acknowledgment" or "Message Received". It is used to confirm that a transmission has been heard and understood, without necessarily implying agreement or compliance.

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In APCO, Association of Public-Safety Communications Officials 10-codes, 10-3 typically means "Stop Transmitting" or "Cease Radio Traffic". It is used to instruct units to halt non-essential transmissions, often to reduce interference or allow priority traffic to be heard clearly.

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In APCO, Association of Public-Safety Communications Officials 10-codes, 10-2 typically means "Signal Good" or "Receiving Well". It is used to confirm that a radio transmission is being received clearly and without interference.

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In APCO, Association of Public-Safety Communications Officials 10-codes, 10-1 typically means "Signal Weak" or "Receiving Poorly". It is used by law enforcement officers or dispatchers to indicate that a radio transmission is weak, broken, or otherwise difficult to understand.

Here’s how it might be used in a real-world scenario:

In APCO, Association of Public-Safety Communications Officials 10-codes, 10-0 typically indicates an "Officer In Trouble" or "Emergency Situation". It is used to signal that an officer requires immediate assistance, often due to a threat to safety or a rapidly escalating incident.

Here’s how it might be used in a real-world scenario: