Ok I might sound stupid but I always put it to all I didn't understand the 1 and 2...so I left it on all by mistake for a week inside shop and last nite noticed boat batts were dead...i stuck a quick charge for 8hrs...boat fired up in morning and 2hrs later when i got 2 lake it didn't turn over dead....so I had to get 2 new batts cause I figured they were bad being they started before I left and know are dead....so how do I use this switch and what causes batts to die when nothing is on or maybe it was just time for new batts on 2014 f22