1, find the bottom: you should put the fish float at the bottom and throw it to the water surface, then slowly move the float up to the same position with the horizontal plane.
2, adjust the sight: the float moved down a distance after not into the water need to be adjusted to show the surface.
3, adjust the depth of the fishing line: first of all, move the float up 20cm, and then float to the fishing place, did not appear on the water surface is not long enough to release the line, you need to move up to adjust.