Codes 0-10

It's Luke back with you on my second blog. I have now started on learning the cop codes. I will be taking it 10 at a time. I wrote down all 10 codes and studied them and then had a friend quiz me. I am feeling good about it and i am ready to learn. Down below are the ones i learned.
10-0: caution
10-1: reception poor

10-2: reception good
10-3: stop transmitting
10-4: understood
10-5: relay message (give message)
10-6: change chanel
10-7: out of service
10-8: in service
10-9: repeat message
10-10: off duty