Thanks everyone that responed, Lk Conwayguru I think hit it with unit being turned off.Called customer service today she said the same thing. Did not have time to go to the lake this afternoon, but I found on/off switch in the menu turned it on and reset to default. Tommorow I am going to the lake and try it out. This unit sounds like it has alot of bang for the buck GPS, down imaging, lake maps. I hope to find brushpiles and save the location on gps. Then maybe I will be able to catch more than 1 or 2 crappie per trip. By the way I did try it at the lake yesterday.