Friend of mines running a 12 tI with that structure scan transducer(Big Transducer with a little blue coloring around it) an man its impressive. Questions are whats diff in 12 ti and a Gen.3 other than $$. Also is it possible to get my waypoints off a 1199 and loaded to a lowrance? im sure this has been answered many times but i couldnt find any info. thanks for any help