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The 363 Combo uses DualBeam Plus sonar and you can switch back and forth between 20 or 60 degree beams (depending upon your preference or where you're fishing). Since you can also use both beam angles at the same time, you can get wide coverage and accurate bottom definition for depths down to 1000 feet while chugging along in your vessel.
Built-in UniMap features USA inland lakes, rivers, and coastal areas in four nautical mile resolution. That means you have a fishfinder that works in both fresh and saltwater, which is a huge selling point. The 4 inch 320 x 240 pixel resolution screen offers high-resolution readability in any light, even for night fishing (it can be backlit).The zoom adjusts 2x, 4x, 6x, and 8x to better see your prey. You can even freeze the image at any point to take a closer look at structure down there. You'll see the bottom layout, structure, and fish at speeds up to 70 mph.
With a 16-channel WAAS GPS receiver, the GPS part of this combo is very accurate and features the ability to plot 20 routes and store up to 750 waypoints. The user interface is rather intuitive and the unit can be customized to suit your viewing preferences. It even has a split screen option. Users report that the mount it comes with is a breeze to install. Since it disconnects easily, you can use it on more than one vessel too.
