ok
with the radio in the off position and the vehical in the red and amber lights on ie in start or accessory position press and hold  the as button and keep held while you turn the unit on keep pressed untill you here a bleep then enter the no's with buttons 1>4 and then press and hold again untill unit bleeps  unit should now work,
les evans and son ltd  01743 450457
                
 les
                
 April 2006