trunk scanning

Attention attention. Please help me and RR Potential New radio system coming to town. Be on the lookout for Kerr County sheriff's Office New radio system to come online anytime soon. I've been off the air a lot more then I'm comfortable with more so lately due to being constantly busy in my...

Knowing that the BCD436HP trunked system data comes from the Radio Reference database and that RR identifies the control channels... Does the scanner scan all the Frequencies/Channels for a site? Is it necessary to have all the Frequencies/Channels for a site loaded and scanned? I am wondering...