Signal 100:
Radio silence – used during emergencies or critical situations.
Code 9:
Requesting permission to leave the scene.
Code 8:
Dangerous goods/hazards present.
Code 7:
Fire brigade required.
Code 6:
Ambulance required.
Code 5:
The officer needs immediate assistance (officer in distress).
Code 4:
The situation is under control.
Code 3:
No further assistance is required.
Code 2:
Non-urgent – No lights or sirens required.
Code 1:
Urgent – Lights and sirens required.