First of all, SmartStrike is an additional software, available on an SD card, only for the Humminbird models in the ONIX and ION series. This software allows the user to look for fish by species, season, weather conditions, time of day and other criteria. It uses LakeMaster maps and highlights the areas where it's most likely to find the fish you're interested in, before you … [Read more...] about How To Use The SmartStrike Software with a Humminbird Fish Finder?