BlueChart g3 Vision HD – VEU473S – Gulf of Bothnia, North – microSD /SD Coverage:Detailed coverage of the Northern portion of the Gulf of Bothnia from Umea, Sweden to Vassa, Finland. Coverage includes lakes Tjeggelvas, Hornavan, Uddjaur, Aisjaur, Fluka, and Storavan in Sweden. Also includes detailed coverage of the cities of Pietarsaari and Oulu in Finland and Lulea and Happaranda in Sweden, and the islands of Vallgrund and Hailuoto.Premier Coastal ChartsIndustry-leading coverage, clarity and detail with updated coastal charts that feature integrated Garmin and Navionics contentAuto Guidance technology quickly calculates a suggested route by using your desired depth and overhead clearanceIncludes Depth Range Shading for up to 10 depth ranges, enabling you to view your target depth at a glanceUp to 1′ contours provide a more accurate depiction of the bottom structure for improved fishing chartsTo give a clear picture of shallow waters to avoid, the Shallow Water Shading allows for shading at a user-defined depthExperience unparalleled coverage and brilliant detail when you’re on the water. BlueChart g3 Vision coastal charts provide industry-leading coverage, clarity and detail with integrated Garmin and Navionics content.Auto GuidanceWhether you are fishing or cruising, select a spot, and get a route showing you the general path and nearby obstructions at a safe depth1.Depth Range ShadingThis feature displays high-resolution Depth Range Shading for up to 10 depth ranges so you can view your designated target depth.Shallow Water ShadingTo give a clear picture of shallow waters to avoid, this feature allows for shading at a user-defined depth.Detailed ContoursBlueChart g3 Vision charts feature 1′ contours that provide a more accurate depiction of bottom structure for improved fishing charts and enhanced detail in swamps, canals and port plans.High-resolution Satellite ImageryHigh-resolution satellite imagery with navigational charts overlaid gives you a realistic view of your surroundings. It’s our most realistic charting display in a chartplotter – ideal for entering unfamiliar harbors or ports.<