Likely Operational Codes (Based on International Standards)

Many police forces, including those in China, may use numerical or alphanumeric codes for certain situations:

Code	Meaning
Code 1:	Emergency, requiring immediate action.
Code 2:	Non-emergency, requiring action without urgency.
Code 3:	No further assistance is required.
Code 4:	The situation is stable or under control.
Code 5:	The officer needs immediate assistance (high-risk situations).