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FishFinder L470
Instruction Manual
Raymarine
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Contents Echo sounding – How it works (inside front cover) FishFinder L470 – Features and functions i For information and service ii 1 Introduction 1 About the FishFinder L470 1 System Components 2 Standard Equipment 2 Standard Transducers 2 Optional Accessories 2 2 Installation 4 About the Transducer 4 Selecting the Correct Type of Transducer 5 Assembling the Transducer Bracket 6 Positioning the Transom-Mount Transducer 6 Mounting the Transom-Mount Transducer 9 Mou
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Lamp/Contrast Menu 29 Operating Pages 30 FishFinder Page 32 Choosing a Frequency 37 Fish Indications 38 Bottom Indications 39 Window Page 41 Sidelooker Page 43 Digital Page 47 Performance Modes 50 Zoom Mode 50 A-Scope (Bottom Coverage) Mode 52 Bottom Lock Mode 54 4 Setup Instructions 56 The Setup Menu 56 Range Setting 57 Sensitivity Setting 58 Chart Speed Setting 60 Frequency Setting 61 Resetting the Log 63 System Setup Menu 64 Deep Alarm 68 Simulator
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Setup Instructions for Sidelooker 76 Sidelooker Range Menu Item 77 Sidelooker Sensitivity Menu Item 78 Sidelooker Chart Speed Menu Item 78 Sidelooker View Menu item 79 Combining Displays 80 Resetting the Unit to Factory Defaults 81 Default Settings 82 5 Maintenance and Troubleshooting 83 Cleaning Instructions 83 Troubleshooting Suggestions 83 Servicing a Thru-Hull Transducer 87 How to Contact Raymarine 87 6 Specifications 91 General Information 91 FishFinder Function
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List of Figures Figure Page Unit in Use Inside front cover Front Panel i 1-1 Typical Installation 1 2-1 Transducer Types 5 2-2 Assembling the Transducer Bracket 6 2-3 Transducer Mounted on Transom 7 2-4 Transducer Bracket, Side View 7 2-5 Correct Mounting Position 8 2-6 Mounting the Transducer 8 2-7 Installing the Sidelooker Transducer 10 2-8 Installing the Sidelooker Transducer on a Trolling Motor 13 2-9 Suppression Ferrites 15 2-10 Installation on Bracket 16 2-11 Dimensions 17 2-12 Flush-Mount
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4-6 Frequency Menu Item 61 4-7 Log Reset Menu Item 63 4-8 Reaching the System Setup Menu 64 4-9 System Setup Menu 64 4-10 Zoom Select Menu Item 71 4-11 Zoom Screen Split/Full Menu Item 72 4-12 Bottom Lock Range Menu Item 73 4-13 Bottom Lock Split/Full Menu Item 74 4-14 Digital Setup Menu Item 75 4-15 Sidelooker Range Menu item 77 4-16 Sidelooker Sensitivity Menu Item 78 4-17 Sidelooker Chart Speed Menu Item 78 4-18 Sidelooker View Menu Item 79 4-19 Split FishFinder Page with A-Scope Mode 80 4-20
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1 – Introduction About the FishFinder L470 The FishFinder L470 is a system that uses sound waves (“sonar”) to detect fish and show the bottom of a lake or sea. The system includes a transducer and a display unit, connected by a cable. The transducer sends high-frequency sound waves down into the water. These sounds strike fish, the bottom, or other objects in the water, and return as echoes. The FishFinder then interprets these echoes and presents a display. The FishFinder L470 can handle man
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System Components The FishFinder L470 consists of a compact display unit connected to a transducer. The transducer is attached to the boat and extends into the water. Standard Equipment When you unpack your FishFinder L470, you should find the following standard equipment in the carton. If any items are missing, please notify your Raymarine dealer immediately, or contact the Customer Service Department at Raymarine at 1-800-539-5539, ext. 2333. Please provide the serial number of the FishFind
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Description Part No. Sidelooker transom-mount transducer M78930 Sidelooker transducer for trolling motor mounting. Companion with M78928 downlooker depth/temp transducer, with 12 ft. (3.6 m) cable and hardware M78929 Extension cable, 5 pin (15 ft., 4.5 m) M99-140 Extension cable, 9 pin (15 ft., 4.5 m) M99-139 Flush-mounting kit (with hardware and mounting template) M99-138 Fairing block for M78923 thru-hull ® transducer (Lexan ) M99-142 Low profile plastic thru-hull transducer ® (Valox plastic,
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2 – Installation The installation process has four parts: Mounting the transducer Mounting the display unit Connecting the cables for the transducer and power supply Calibrating the display unit About the Transducer Several different kinds of transducers can be used with this unit. The transom- mount style, used most often, and in-hull types are shown in Fig. 2-1. Besides measuring depth, the transducers have two other sensors: a paddle wheel which detects the speed of the boat, and a s
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M78898 M78923 M99-142 Transom-mount Thru-hull Fairing for transducer transducer thru-hull transducer M78946 M78930 M78929 In-hull Sidelooker Sidelooker Fig. 2-1 transducer transducer for transducer for transom mount trolling motor Transducer Types Selecting the Correct Type of Transducer Before you begin the installation, double-check to be sure you have the correct type of transducer. Each kind of transducer is designed for a particular type of use. In this manual we will include detailed mou
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Use a trolling motor transducer if – . . . you want to attach the transducer to a trolling motor. (Not recom- mended for deep water operations.) Use a Sidelooker transducer – . . . for searching for fish or structure on either side of the boat. This type of transducer is attached to the bracket of the transom-mount transducer, or to the shaft of the trolling motor. Assembling the Transducer Bracket Fit together the two parts of the transducer bracket as shown in Fig. 2-2. When the installation
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Fig. 2-3 Transducer Mounted on Transom Allow a clearance Transducer in of at least 10 released position inches (254 mm) 10" (254 mm) Fig. 2-4 Transducer Bracket, Side View If your boat has twin propellers (outboard or inboard-outboard), place the transducer near the centerline of the boat. Do not mount the transducer behind any hull fittings, intakes, or other parts which extend from the hull. These may cause turbulence or air bubbles. The bracket has a quick-release mechanism. This may
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Average transom angle– Vertical transom – Sloping transom– no wedge necessary place wedge this way place wedge this way 2 to 5 2 to 5 2 to 5 For fiberglass hull – 1/8" to 1/4" (3.2 to 6 mm) For aluminum hull – 1/4" to 3/8" (6 to 9 mm) No! No! No! The bow of the transducer Rivets on the hull are The rear of the transducer is above the bottom of the creating bubbles. is too high, creating transom, creating Lower the transducer cavitation. cavitation. a bit. Fig. 2-5 Correct Mounting Position 1
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measured from the bottom of the transom. • If considering the Sidelooker option, look for a mounting location where the Sidelooker array will not be blocked by the engine housing or other mounted hardware. If the boat will be carried on a trailer, be sure the transducer will not hit any rollers, bunks or fittings on the trailer. Mounting the Transom-Mount Transducer 1. On a boat with a fiberglass hull, the leading edge of the transducer should extend 1/8" (3.2 mm) to 1/4" (6 mm) below the bott
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7. Move the bracket up or down so that the leading edge of the trans- ducer has the clearance shown in Fig. 2-5. 8. Once the bracket is in the correct position, you can tighten the screws. Mounting the Optional Sidelooker Transducer - Transom-Mount Installation 1. The Sidelooker transducer allows the display unit to check the water to either side of the boat. This is helpful when you are looking for fish or structure near banks, or under docks or piers. 2. The M78930 Sidelooker transducer is at
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Installation Notes – Thru-Hull Transducer Detailed instructions for this installation will be included with the trans- ducer. In this section, we will note just a few important points. 1. Earlier we listed three general rules for placing transducers. All of these rules apply when you are mounting a thru-hull transducer. Here are some other rules for selecting the best mounting location: For planing hulls – Install in the flat planing area near the stern. Always install forward of the propeller
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6. If the hull of the boat has a core-type hull, you will need to follow some special mounting procedures. The core material must be protected from any water which may leak from the inside of the boat. (If the core material is allowed to remain wet, it may rot and weaken the hull.) 7. When working with the transducer, support it by holding the body of the unit or the rings. Do not hang the transducer from the cable. 8. It is very important to seal the opening around the transducer using a high
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Installation Notes – Trolling Motor Transducers Both Downlooker and Sidelooker transducers may be installed on a trolling motor. See Fig. 2-8. Fig. 2-8 Installing the Sidelooker Transducer on a Trolling Motor Detailed instructions for these installations will be included with the transducer(s). The Downlooker transducer is mounted on the horizontal gear case of the motor. The Sidelooker transducer is attached to the vertical support tube. These installations are simple, but it is important t
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Installation Notes – Transducer for Speed and Temperature Only This type of transducer may be used with a thru-hull transducer which reads depth only. The speed/temperature transducer is attached to the transom of the boat. Detailed instructions for this installation will be included with the transducer. The cable for this transducer uses a “Y” connector. See the notes on “Installing the Transducer Cable.” EMC Installation Guidelines When different types of marine electronic equipment are mounte
