Garmin GMR 18, 18HD, 21, 22, 24, 24HD, 41, 404, 406
Learn all the features and functions and HOW TO USE AND OPERATE your Garmin unit.
DVD training makes it easy! Interactive menus allow quick and easy chapter review and allow you to go to a specific location time and time again.
This step-by-step, instructional DVD walk you through the key features and functions of the Garmin unit from the basics to advanced operation. Additional Details
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