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HELIX 8 CHIRP MEGA SI+ GPS G4N CHO Display Only The HELIX 8 CHIRP MSI+ GPS G4N CHO features an 8″ display MEGA Side Imaging+ MEGA Down Imaging+ Dual Spectrum CHIRP Sonar and internal GPS with Humminbird Basemap. As with all HELIX G4N models this HELIX 8 includes standard features such as Auto – Chart Live Wi-Fi and NMEA 2000 in addition to Bluetooth and Ethernet networking for compatibility with the One-Boat Network family of products from Humminbird Minn Kota and Cannon. This CHO Control Head Only model allows you to pick the right accessory transducer for your needs including compatibility with Minn Kota Built-in MEGA Imaging trolling motors. Features: Control Head Only Model: This model does not include a transducer. This CHO model is a great choice for those looking to connect to connect to Built-in MEGA Imaging on Minn Kota trolling motors accessory transducer options like MEGA 360 Imaging or share sonar data from an existing Humminbird Ethernet network. Keypad control: Master HELIX at the touch of a button. Access the preloaded views from the user-friendly menu system operated by soft key controls that allow you to reliably operate your fish finder in any condition. MEGA Side Imaging+: See the world below like never before with a crystal-clear Side Imaging viewing out to 200 feet on either side of your boat. You’ll unlock more fish and structure with 20% more detail and 60% more range capability than MEGA Side Imaging sonar. MEGA Down Imaging+: Get unprecedented underwater clarity with Down Imaging coverage down to 200 feet below your boat. You’ll unlock more fish and structure with 20% more detail and 60% more depth capability than MEGA Down Imaging sonar. Dual Spectrum CHIRP sonar: Before you cast know what’s down there thanks to highly-detailed fish arches and a clear view of fish-holding structure and the bottom. Powered by our proprietary Low-Q CHIRP transducer Dual Spectrum offers two ways to search; Wide Mode for maximum coverage and Narrow Mode for focusing on the slightest detail. Internal GPS and Humminbird Basemap: Our enhanced basemap provides you with a clear view of underwater terrain and surrounding points of interest so you can fish and navigate with total confidence. Identify buoys day markers hazards marinas contours depth markers and much much more. Includes charts of more than 10000 lakes plus coastal coverage for the continental U.S. Premium Chart Compatible: Humminbird provides the most complete offering of premium chart options to anglers everywhere. Get a complete view of the world below with optional charts from Humminbird’s Lake – Master and Coast – Master products as well as your choice of compatible Navionics charts. Auto – Chart Live: Create real-time maps of your fishing spots with access to patented Humminbird Lake – Master features. Map depth contours bottom hardness and vegetation as you drive your boat. Comes standard with eight 8 hours of built-in recording time and is compatible with Auto – Chart Zero Line SD cards for virtually-endless Auto – Chart Live mapping capacity. One-Boat Network Compatible: Many Humminbird models seamlessly integrate and communicate with Minn Kota and Cannon products to unlock more features and capabilities for anglers everywhere. Make the more of your time on the water with the exclusive boat control and fish-catching features of the One-Boat Network. Ethernet Networking: High-speed Ethernet allows you to build a powerful professional-grade fishing system. Easily connect multiple fish finders or upgrade to add-on technologies like Minn Kota i-Pilot Link and Humminbird CHIRP Radar. Bluetooth: Take control right from the screen of your Humminbird with wireless communication to compatible Talon and Raptor shallow water anchors as well as Cannon Optimum downriggers. Additional features include wireless software updates from the Humminbird Fish – Smart App and display of smart phone notifications on your Humminbird. NMEA 2000 networking built-in: Connect an accessory NMEA 2000 network to your control head for even more information; from boat performance to weather and water conditions make sense of it all with NMEA 2000 networking. Includes control head power cable gimbal mounting bracket. This CHO model does not include a transducer allowing you to pick the best fit for your rigging needs.