Oh, forgot to mention that i thought it was cold today until i saw 2 young men or nuts in shorts jumb in lake today, but i notice they did not stay long. I also saw those school fish on 798 si,those units sometimes really help,each bp we fish that we saw fish ,we caught fish but the ones we did not see fish on we did not catch any,but had to test it out by fishing,a few places we could see 2 to 5 fish and would manage one or two