Klemm

Hello my problem is simple. I put japanese command on my car and as soon i i see is not possible get that frequenzy what i need i schange it back to old one. Prloblem is that now is on my old original radio on the same japanese frequenzy and not going higher. Pressing * it shows the wrigt measure of my country frequenzy but seting the numbers its not work. Allreddy take off all cabels on the trunk where is amp and put nothing help. Some reset need to too to car audio