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The guide emphasizes preparing the boat and reading warranty and manufacturer guidance, selecting an installation location that minimizes turbulent water, and confirming the boat is level. It also covers speed considerations, propeller rotation effects on turbulence sides, deadrise characteristics, side-imaging visibility constraints, and mounting bracket alignment and drilling preparation.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":30,"@type":76,"position":81},"https://docshare.wps.com/document/technology/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/transom-transducer-installation-guide-532314-4_c-turbulence-free-mounting-guidelines/653236/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/transom-transducer-installation-guide-532314-4_c-turbulence-free-mounting-guidelines/653236.png","ImageObject",300,407,{"name":92,"@type":93},"eBook King","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-11-01","2026-10-25",true,{"@type":102,"interactionType":103,"userInteractionCount":19},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"Why is locating the transducer in relatively non-turbulent water important?","Question",{"text":112,"@type":113},"Turbulent water reduces sonar performance. The guide instructs avoiding turbulent flow areas and selecting the best location to minimize turbulence.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"How does propeller rotation affect where turbulence forms?",{"text":117,"@type":113},"Clockwise propellers create more turbulence on the port side, while counterclockwise propellers create more on the starboard side, so placement should account for this.",{"name":119,"@type":110,"acceptedAnswer":120},"What restriction applies to Side Imaging transducers during installation?",{"text":121,"@type":113},"The Side Imaging transducer must not have anything obstructing the side-looking beams, so anything in the line of sight (including hull, motor, or other transducers) must be avoided.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},653236,1792887161,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":29,"category_name":30,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":19,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":39,"language":139,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":140,"faqs":141,"seo_title":142,"seo_description":67,"update_tm":129,"read_time":46},962088006270,"https://ap-avatar.wpscdn.com/davatar_085a072bc5b1113ac321206ff7593b45","1  \nTRANSOM TRANSDUCER Installation Guide 532314-4_C  \n\n| The transom mount installation allows adjustment of both running angle and depth after the transducer is mounted, which enables you to tune the installation for best results. |  |  |  |\n| --- | --- | --- | --- |\n| \u003Cbr>| NOTE: Due to the wide variety of hulls, only general instructions are presented in this installation guide. Each boat hull represents a unique set of requirements that should be evaluated prior to installation. For detailed information about installing transducers on di erent hull types, download the Transducer Installation Resource Guide from our Web site at humminbird. [johnsonoutdoors.com](johnsonoutdoors.com). |  |  |\n| \u003Cbr>| NOTE: Your transducer may not look exactly like the transducer shown in the illustrations, but it will mount in exactly the same way. |  |  |\n|  |  |  |  |\n| Installation Preparation |  |  |  |\n| Install the control head before you start the transducer installation. See the control head installation guide. |  |  |  |\n| Review your boat manufacturer’s owner’s manual for recommended transducer installation locations and cable routing methods. You will also need your transom angle. |  |  |  |\n| Read and understand your boat’s warranty before starting this installation. |  |  |  |\n| Read the instructions in this guide completely and understand the mounting guidelines before beginning this installation.\u003Cbr>Visit our Web site at [humminbird.johnsonoutdoors.com](humminbird.johnsonoutdoors.com) for additional information and resources for transducer installations. Also, [visit youtube.com/humminbirdtv for informational](visit youtube.com/humminbirdtv for informational)[ ](visit youtube.com/humminbirdtv for informational)[videos.](videos.) |  |  |  |\n| Con􀀞rm your boat is level for the installation. |  |  |  |\n| Consider your speed requirements.\u003Cbr>Traveling over 65 mph with the transducer in the water is not recommended with the XNT 9 SI 180 T, XNT 9 DB 74 T, XNT 9 MSI 150 T, XNT 9 HW DI T, XNT 9 HW SI T, and XNT 14 74 T transducers, as damage may occur. If speed above 65 mph is critical, see the FAQ (Frequently Asked Questions) section of our Web site at [humminbird.johnsonoutdoors.com](humminbird.johnsonoutdoors.com).\u003Cbr>Down Imaging® provides the maximum detail at slower speeds, however, high-speed performance is available in the Down Imaging and traditional sonar views. If high-speed operation is critical with your Down Imaging transducer, you may want to consider an Inside the Hull transducer. |  |  |  |\n| |  | SIDE IMAGING® NOTE: The Side Imaging transducer CANNOT be installed inside the hull of the boat. |  |\n| Supplies: In addition to the supplied hardware, you will need a powered hand drill and various drill bits, various hand tools, including a ruler or straightedge, a level, a socket driver, marker or pencil, safety glasses and dust mask, marine-grade silicone sealant, dielectric grease (optional), and a 12\" plumb line (weighted string or mono lament line [optional]) . You may also need extension cables and hardware for routing the cable to the control head. |  |  |  |\n|  |  |  |  |\n\n2  \nTRANSOM TRANSDUCER Installation Guide 532314-4_C  \nTurbulence-Free Mounting Guidelines  \nIt is very important to locate the transducer in an area that is relatively free of turbulent water. Consider the following to nd the best location with the least amount of turbulence:  \n1 Avoid areas where there is turbulent water 􀀝ow. Turbulent water is normally con ned to areas immediately aft of ribs, strakes, or rivets on the bottom of the boat, and in the immediate area of the propeller(s) . The best way to locate turbulence-free water is to view the transom while the boat is moving.  \n2 Observe your propeller’s direction of rotation (in forward, as you're facing the stern of the boat from behind) . Clockwise propellers create more turbulence on the port side. Counterclockwise propellers create more on the starboard side.  \n3 Ensure there is adequat","cbCaimBsJs13pQ6w","https://ap.wps.com/l/cbCaimBsJs13pQ6w","pdf",318923,"English","# Installation Preparation\n# Turbulence-Free Mounting Guidelines\n## Avoid Turbulent Water Areas\n## Observe Propeller Rotation\n## Maintain Distance From Propeller(s)\n## Choose Ideal Mounting Location\n## Stepped Hull Considerations\n## Waterline Parallel and Submersion\n## Side Imaging Obstruction Requirements\n# Prepare the Mounting Location\n## Confirm Boat Level\n## Mark and Drill Initial Holes","[{\"question\":\"Why is locating the transducer in relatively non-turbulent water important?\",\"answer\":\"Turbulent water reduces sonar performance. The guide instructs avoiding turbulent flow areas and selecting the best location to minimize turbulence.\"},{\"question\":\"How does propeller rotation affect where turbulence forms?\",\"answer\":\"Clockwise propellers create more turbulence on the port side, while counterclockwise propellers create more on the starboard side, so placement should account for this.\"},{\"question\":\"What restriction applies to Side Imaging transducers during installation?\",\"answer\":\"The Side Imaging transducer must not have anything obstructing the side-looking beams, so anything in the line of sight (including hull, motor, or other transducers) must be avoided.\"}]","TRANSOM TRANSDUCER Installation Guide 532314-4_C - Turbulence-Free Mounting Guidelines | PDF"]