Which code indicates the operator on duty?

Which code indicates the operator on duty?

• A. 10-40 Warrant
• B. 10-37 Operator on duty
• C. 10-23 Standby
• D. 10-29 Check wants & warrants

Answer: (B)

The main idea is using a concise radio code to show the operator’s current status. The code for “Operator on duty” is 10-37, and that designation means you’re actively on shift and available for assignments or calls. This helps responders know immediately who is in service without lengthy messages. Other codes point to different situations altogether—10-40 relates to warrants, 10-23 means standby, and 10-29 is about checking wants and warrants—so they don’t indicate whether the operator is currently on duty. Knowing that 10-37 specifically signals availability keeps communications clear and fast.

The main idea is using a concise radio code to show the operator’s current status. The code for “Operator on duty” is 10-37, and that designation means you’re actively on shift and available for assignments or calls. This helps responders know immediately who is in service without lengthy messages. Other codes point to different situations altogether—10-40 relates to warrants, 10-23 means standby, and 10-29 is about checking wants and warrants—so they don’t indicate whether the operator is currently on duty. Knowing that 10-37 specifically signals availability keeps communications clear and fast.