| Code | Meaning |
|---|---|
| Affirmative | Yes or confirmation. |
| Negative | No or refusal. |
| ETA | Estimated Time of Arrival. |
| BOLO | Be On the Lookout – used to alert officers to a wanted person or vehicle. |
| Code Red | Emergency situation or officer in distress. |
| Code Blue | Medical emergency. |
| Standby | Await further instructions or information. |
| All units | A call to all available officers in the vicinity to respond. |