victoria bc

I am looking for a little advice on programming my GRE 500 for the Victoria, BC trunk system. I don't seem to be getting anything from it. There is something I have missed while inputting the info. Any advice for steps would be of great help

I bought a BCD996XT Scanner with the Victoria Police talk group already on it. I would like to add two more talk group, the BC Ambulance & Fire Departments. I don't want to lose the info already on the scanner. The trunk system is "Motorola Type II SmartZone" "Capital Region Emergency Services...