It doesn't seem to be working.in the arc246 software selct new system, under general select which type of trunking system you want to moniter (eg: 800mhz standard, 800mhz custom, etc.) then on the top right next to where it says general click on the tab that says, (trunk frequencies) under that input the control channels, ONLY the control channels! then to the left select group 1 and in group 1 input the tgid's and your problem should be solved!
Since you claim it is not working, you need to tell us what system, and where you are located, and why or what you think is not working. If you hope to get more help, please click on the User CP at the top left of this page, and edit you details to include your state and city or county. From your post, I assume it is Alameda County CA, but please enter this so others can be of more help. Based on that guess, I believe you are talking about:Alameda, County of (Public SafetyIt doesn't seem to be working.