Garmin GPSMAP 178C Owner's Manual

Also see for GPSMAP 178C: Specifications Flush Mount Template Manual Owner's manual

Contents

Garmin GPSMAP 178C Owner's Manual Manual pdf 108 page image

98Appendix A Proper transducer installation is key to getting the best performance from your new unit. If thetransducer lead is too short, extension cables are available from your Garmin dealer. DO NOT cut thetransducer lead or any part of the transducer cable, as this voids your warranty. The cable cannot bespliced and connected to any existing (Garmin or non-Garmin) transducer cables.Following are some tips and basic installation instructions for some popular transducers. Detailedinstallation instructions are provided in the transducer kits. Some transducers may need to be installedby a professional marine installer.Transom Mount InstallationTransom Mount Transducer (depth/temp)Do not mount transducer directly in thepath of the prop. The transducer can causecavitation that may degrade the boat's performanceand damage the prop.Make sure that the transducer isbelow water level when the boatis on plane at high speedApply marine sealant to allscrew threads to prevent waterfrom seeping into the transom.Mount the transducer cable coverwell above the waterline.Transducer should extend 1/8" (3mm) belowfiberglass hull or 3/8" (10mm) below aluminum hullOKMount the transducer parallel with the bottom.USS JayhawkMounting the Transducer,DO NOT mount the transducer behind strakes, struts,fi ttings, water intake or discharge ports, or anything thatcreates air bubbles or causes the water to become turbulent.It is important that the transducer be in clean (non-turbu-lent) water for optimal performance.Speed Temp TransducerTo UnitAdditional Sensor Installation