Connect the scanner to the computer, then open Proscan. Click Scanner Type and select 996p2. Click Comm Port and if you can, tell it the com port the scanner is on, if not try the search. Once it finds the scanner set the port to that port. You should see the scanner display at the top of the program mirror your scanner display. (Scanner MUST be powered on)
Click Database, then Import and select Radio Reference. Log in in the upper right part of the screen.. Select your local info using the menus on the left. Click import for EACH system. Once you have everything, close the import window. and select Upload to Scanner..