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Axiom with RealVision 3D Sonar:
Powerful Tools for finding Fish and Structure
WILSONVILLE, OR (June 21, 2017) – During a recent sea trial for Axiom™ Multifunction Displays with RealVision 3D™ Sonar, Raymarine’s UK-based test boat Raymariner came upon an interesting underwater target. The M/V Margaret Smith was a coal dredger that capsized and sank near Yarmouth, UK in 1978. The wreck is part of the New Forest National Park and has become a popular feature for fishermen and scuba divers alike. Known to locals as “The Maggie”, the ship is now home to a wide array of different fish species. It’s also a great structure for testing and calibrating sonar equipment since it’s a relatively young shipwreck that is well documented in both photo and video.
M/V Margaret Smith, as she appeared shortly before her sinking. Photo courtesy of calshotdivers.com.
Anglers everywhere know one of the best places to locate fish is around bottom structure. Structure provides shelter and protection to smaller fish, and attracts food that larger fish feed on. Structure can be natural objects like rocks, fallen trees, or underwater ledges. It can also be man-made objects that find their way into the water intentionally or unintentionally like shipwrecks and artificial reefs.
Raymarine’s Axiom RealVision 3D sonar system comes with an awesome array of tools for finding bottom structures and their fish inhabitants.
Sphere Mode enlarges the size of individual 3D sonar returns for better visibility.
3-D sonar technology brings a whole host of benefits to anglers, divers and even cruising boaters too. With a simple swipe of your finger across the screen you can pan and tilt the 3D image to visualize the underwater seascape from any angle. 3D imaging makes it simple to understand the size, depth and distances between objects. The RealVision 3D image is also gyro-stabilized. A sophisticated sensor in the RealVision 3D transducer measures the motion of the boat and automatically counteracts it to produce a stable and accurate sonar image.
RealVision 3D also offers 2 different ways to visualize targets. The default setting is called Sphere Mode, which uses round spheres of uniform size to represent individual returns. Sphere Mode helps make smaller targets (like bait and predators) look larger in the overall 3D presentation. This can be especially helpful when you’re looking for individual fish rather than large clusters, or if you are looking at the display from a distance.
Point Mode (left) provides the highest resolution 3D imagery of underwater objects. CHIRP SideVision (right) provides photo-like details.
RealVision 3D can also render images in Point Mode. Point mode uses tiny pinpoints to show each sonar return in 3D space. While a lone contact will appear small in point mode, larger contacts and underwater structures will appear in very high resolution because the individual points will show the size and shape of these objects with extreme detail.
In either point or sphere mode you can also control how coloring is applied to targets. When set to Depth mode, targets are colored according to their depth in the water, using a rainbow scale (that cycles every 50-feet). In Intensity mode, targets are colored according to the strength of their sonar return. Stronger returns are indicated by brighter colors. RealVision 3D also offers 5 different target color palettes to choose from, along with options for background color and bottom color, too.
Raymariner is Raymarine’s test platform used for on-the-water testing of Sonar, Radar, GPS and much more.
RealVision 3D transducers are all-in-one solutions with 3D, DownVision, SideVision and High CHIRP elements plus a fast-response water temperature sensor. They also contain a solid-state gyro sensor that counteracts vessel motion for improved image clarity.
When hunting for bottom structure, Axiom’s RealVision 3D sonar gives you several other powerful tools too. In addition to 3D sonar, Axiom also has high resolution CHIRP DownVision and CHIRP SideVision sonar built in too. These options provide photo-like images of structures and fish, and allow you to see even more detail. Axiom even has a Conical High CHIRP sonar channel that is optimized for finding fish. You can view these channels individually, or at the same time on your Axiom multifunction display.
With Axiom, finding and visualizing underwater structures and wrecks is easier than ever. That’s something that fishermen, divers and even cruising boaters and explorers will truly enjoy!
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