Before you run out and buy a new fishfinder, you might want to watch this video. In it, we explain three tips for choosing the right fishfinder for you.
If you have lots of experience running fishfinders, then once you've made your choice you'll be ready to hit the water. But if you're a newbie, you may want to also watch How to Use a Fishfinder. This video covers some of the basics, for folks who don't have a lot of time using a fishfinder under the belt.