different ways:
-delete/move existing attract.cfg & start AM > shows the "complete initialization dialog" again
-download and extract zip-file from AM > overwrite existing attract.cfg > shows the "complete initialization dialog" again
-edit in attract.cfg this line:
input_map
select Return
-download and extract zip-file from AM > open attract.cfg from there > copy complete relating passage from input_map > overwrite relevant passage in your existing attract.cfg