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The display screen is the most crucial aspect when choosing a chartplotter combo fishfinder combo. We prefer the highest resolution screen possible. Two new 5-inch screens have a resolution of more than 150 pixels per square inch. You must view the screen from close distance to see this kind of detail.
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Find a chartplotter and fishfinder combination that meets all your connectivity needs. It is unlikely that an older boat will be rewired with NMEA 2000 backbone. You won't need that ability in the chartplotter that you purchase.
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The supplied transducer has a transom mounted and comes with a built in water temperature probe as well as a 20-foot long cable. Additionally, the unit features a temperature graph function that displays the difference in surface temperature and water currents under the surface.
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First, a combo package will help you save money. It includes one LCD screen, one component chassis, one case, and one charger. It will simplify your life significantly when it comes to installing the display and wiring things up.
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Another accessory for a transducer is the speed wheels. This paddlewheel supplies water speed to display units. Our experience has shown that these paddle wheels are often inaccurate and more likely to fail than they appear. We would prefer to use a transducer which does not have this option.
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When sonar returns locate fish, Fish ID displays a fish symbol. Flasher sonar provides a more abstract view which is great for ice fishermen. Split Zoom can magnify a specific portion of the sonar image. Split-screen allows you to use the function with a regular view. The Bottom Lock feature directs the sonar pings to the bottom of water mass and returns them.
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Helix Mega SI+ G-Pack offers great performance. Garmin GPSMAP 1042xsv, a fishfinder that is high in performance and has LakeVu HD preloaded maps. BlueChart g2 maps are also included. Panoptix support is available and the unit features dual sensors. Its 10 Hz internal GPS is highly sensitive and can deliver a maximum power of 32.4 watts. It draws 1.9 amps on average.
