› M1 Support Forum › difference zone 8 and 9 This topic has 0 replies, 1 voice, and was last updated July 5, 2023 at 7:44 pm by James Thornburg. Viewing 1 post (of 1 total) Author Posts July 5, 2023 at 7:44 pm #7154 James Thornburg I have read the description a few times and am still not clear on the difference. I think: 8 is 24hr and will send code to CO AND sound local siren. (armed or unarmed) 9 does the same but doesnt sound local siren. This correct or what? Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In