have tried to find the answer to this question for quite a while to no avail. My bearcat 996T does not seem to follow trunked systems, and seems also not to be able to find control channels. I don't know if these two problems are connected or not. In the manuel underthouble shooting It says that it needs to be changed to a type one Scannerand to go to the uniden web site to learn how to do this operation. I went and tried to find someone who could help me also to no avail although I had one crook try to get me to pay for his help I was given the choise of $18.50 , $28.50 or $38.50 to pay depending on how much I wanted to fix this computer. I don't know if this is SOP now but I have never heard of a reputible company connducting business this way. Warrenty ??? Nope I bought the scanner from them as a remanufactured item, some may say i'm stupidbut I have bought 2 other scanners from uniden and this is the only trouble that I have had. The way i figured it you never know what you are getting when you buy anything and this way the item had been re checked anf fixed so it should be better. Any way any help will be appreciated, I'll through it in the Potomac River before I pay them their blackmail.