The most comprehensive, instructional training guides to teach you all the features & functions & HOW TO USE your unit. Getting started with your electronics unit has never been easier. Each instructional training DVD takes you through the key features and functions of your unit from the basics to advanced operation. Designed to quickly familiarize you with your units features - learn everything you need to know to begin using your new satellite navigator from projecting waypoints, to mapping fishing areas and setting up routes. We have over 600 model specific training guides for almost every electronic manufacturer. VHS product is still available for a limited number of units. Please go directly to our website at bennettmarine.com and click on GPS to view all the training programs available.