Jamestown Distributors TV: Humminbird 997c SI GPS/Fish Finder Overview Part II. This video gives a further description of the Humminbird Side Imaging Unit. You can find the Humminbird 997c SI GPS/Fish Finder at http://www.jamestowndistributors.com/userportal/show_product.do?pid=9904&familyName=Humminbird+997c+SI+GPS+Fish+Finder+Combo. Visit http

Jamestown Distributors TV: Humminbird 997c SI GPS/Fish Finder Overview Part I. This video gives a description of the Humminbird Side Imaging Unit. You can find the Humminbird 997c SI GPS/Fish Finder at http://www.jamestowndistributors.com/userportal/show_product.do?pid=9904&familyName=Humminbird+997c+SI+GPS+Fish+Finder+Combo. Visit http://www.ja

GPS fish finder units allow a waterproof solution for larger boats combining GPS and sounders. These are only recommended for the more sophisticated consumer.