Product warnings ContentsAnti-virus protectionImportant information relating to computer viruses.Electronic chart dataProducts supplied with electronic chart data use information from GNSS (GPS) systems, which may contain errors that can cause the product to malfunction.Care of chart and memory cardsImportant information to help you prevent damage and / or data loss to data storage cards.Ensure card reader cover or door is securely closedImportant information related to the prevention of water ingress.Sun coversImportant UV light protection information.Product cleaningBest cleaning practices.Parent topic: Important informationPrevious topic: Safety warningsNext topic: Regulatory notices