Garmin GPSMAP 188 Owner's Manual And Reference Manual

Also see for GPSMAP 188 Sounder: Declaration of conformity Declaration of conformity Owner's manual Specifications

Contents

Garmin GPSMAP 188 Owner's Manual And Reference Manual Manual pdf 107 page image

97Appendix AMounting the TransducerProper 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 will void 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" belowfiberglass hull or 3/8" below aluminum hullOKMount the transducer parallel with the bottom.,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.