With the Finger Gestures (one or two fingers) you can either zoom-in, zoom-out, double tap to take a screenshot or even jump to a full-screen mode when using Split-screen display mode. By using the incredibly rich C-MAP 4D charts, the GP-1871F/1971F delivers highly precise data that features plenty of useful information, such as relief vectors, tidal streams and marine plans, considerably enhancing your navigational awareness. Fish can be observed with a very high resolution and are displayed in a distinct boomerang shape. The clear presentation marks individual game fish and bait fish, even when tightly schooled together. With FURUNO’s RezBoost™ data processing technology, fish schools and echoes are shown with high resolution while you can assess fish size and bottom composition thanks.
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