An additional Zero Line Map Card that enables you to view the AutoChart created maps on multiple Humminbird units. This electronic charts card is included with the purchase of AutoChart or AutoChart Pro.

The zero line is the place where the water meets the shore, and also the starting point for building your own maps! Included with the AutoChart PC software is a 43GB map card that's loaded with Zero Lines for illions of water bodies in Europe. With these all-important Zero Lines as a foundation, you can create your own accurate and detailed maps of any fishing spot, even where contour coverage doesn't exist.