I've done some research for the OP. Seeing lots of P25 conventional (sheriff, fire, EMS, others). Elizabethtown Sheriff is partially-encrypted. That said, the OP's scanner will only work for channels ID'ed in the database as mode "FM" or "FMN". For those ID'ed as P25 (or P25e), OP will need to choose from
this list
Scanner Frequencies and Radio Frequency Reference for Hardin County, Kentucky (KY)
www.radioreference.com
Edit: If I can't find a live person "locally" to help me fix this thing I'm going to return it.
I'd strongly recommend returning it, it isn't the right fit for your town/county. Always best to ask & receive advice first if you're unsure before making a purchase. Best wishes & welcome to the forums!