http://www.youtube.com/watch?v=uYUxQUU5sLw
http://www.youtube.com/watch?v=s0BTkMuBh7g
Heloo this i my eldorado,works good and deep but i want modified this eldorado to eldorado umax with ED180 disc,this old eldorado have only 120 degree discriminator,this means,if i set disc knob in min...