Get u 4-6 small crankbaits different colors all the same size and weight put them out different lengths behind the boat; try about 15 feet difference on each one. This will give u the depth and colors they like usually pretty quick. Most of the time on any given day crappie will be at a certain depth and prefer a certain color or minnows (I never go without them). I'm no expert but it has worked pretty good over the last 25 to 30 years for us. When u figure out where there at u can set everything up at pretty much that depth and color and usually do quite well. U don't even have to use the crankbaits all day u can use jig of similar color (there cheaper to lose). Hope this helps