How to set RT22 scan function?

Retevis RT22 is a smart, thin walky talky in Retevis analog radios, some customers want to know how to activate RT22 scan function. Today let’s discuss steps below. Before open RT22 scan function, we need: 1.Get one programming cable in hand. C9018A 2.Download and install RT22 Universal USB driver and programming software from Retevis official…