can any one hlep i have a kenwood kvt-725dvd-b in my car and have add two kac-ps521 and ps541 amps the apms were to display they control on the sreen off the dvd play were u should be albal to control them on the head unit the amps were to have id numbers amp 1 is set to 0 and amp 2 is 1 the amp o display the amp control on the sreen and i can use them put amp i can not get the id number or get anything on the display on to the sreen off the dvd play