Radio Shack TRC-501 owner manual Using Common 10-Codes, Code Meaning

21-1701.fm Page 12 Thursday, August 5, 1999 12:50 PM

Using Common 10-Codes

Citizen’s band operators have largely adopted the 10-codes for standard questions and answers. These codes permit faster communication and better intelligibility in noisy ar- eas.

These tables list the codes adopted by the Associated Public Safety Communications Officers (APCO).

Code	Meaning
10-1	Cannot understand your
	message.
10-2	Your signal is good.
10-3	Stop transmitting.
10-4	Message received and
	understood.
10-5	Relay information to
	________________.
10-6	I am busy or are you
	busy?
10-7	Out of service.
10-8	In service.
10-9	Repeat last message.
10-10	Negative (No).
10-11	____________ in service.
10-12	Stand by.
10-13	Report ____________
	conditions.

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Code	Meaning
10-14	Information.
10-15	Message delivered.
10-16	Reply to message.
10-17	En route.
10-18	Urgent.
10-19	Contact ____________.
10-20	What is your location?
10-21	Call ___________ by tele-
	phone.
10-22	Cancel last message.
10-23	Arrived at the scene.
10-24	Assignment complete.
10-26	Estimated time of arrival is
	____________________.
10-30	Use caution.
10-31	Pick up.
10-33	Emergency traffic. Clear
	the channel.
10-34	What time is it?