https://m.youtube.com/watch?v=-YhC3bSfdn8
https://m.youtube.com/watch?v=C8iQ4M3sK7s
Here are a couple on saving tracks. Can't find anything on naming so far. But giving different color's and saving may help you. Saving to SD card and loading into Humminbird PC may give you a option for naming them then save back to SD card and load to unit.