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Any reference to Raytheon or
RTN in this manual should be
interpreted as Raymarine.
The names Raytheon and RTN
are owned by the
Raytheon Company.
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FishFinder L265 Instruction Manual Raymarine
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Contents Echo sounding – How it works (inside front cover) FishFinder L265 – Features and functions i For information and service ii 1 Introduction 1 About the FishFinder L265 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 7 Mounting the Transom-Mount Transducer 9 Mou
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Performance Modes 36 Zoom Page 37 A-Scope (Bottom Coverage) Page 39 Digital Page 41 Sidelooker Page 42 4 Setup Instructions 46 The Setup Menu 46 Range Setting 47 Sensitivity Setting 48 Chart Speed Setting 49 Zoom Setting 50 Frequency Setting 52 System Setup Display 53 Simulator 54 Deep Alarm 55 Fish Symbol 54 Fish Alarm 56 White Line 54 Buzzer 56 Sidelooker 55 Depth Units 57 Shallow Alarm 55 Setup Instructions for Sidelooker 57 Resetting the Unit t
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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 14 2-9 Installation on Bracket 15 2-10 Dimensions 16 2-11 Flush-Mount Installation 17 2-12 Disasse
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1 – Introduction About the FishFinder L265 The FishFinder L265 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 L265 can handle man
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System Components The FishFinder L265 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 L265, 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 transducer, with 12 ft. (3.6 m) cable and hardware M78929 Extension for transducer cable (15 ft, 5 m) M99-140 Extension for transducer cable, for Sidelooker transducer (15 ft, 5 m) M99-139 Flush-mounting kit (with hardware and mounting template) M99-137 Fairing block for M78921 thru-hull transducer (Lexan plastic) M99-141 In-hull/trolling motor
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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. All of these transducers measure the water depth. An optional transducer, the Sidelooker, detects objects by looking out to
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M78990 M78921 M99-141 M78922 Transom-mount Thru-hull Fairing for Low profile transducer transducer thru-hull transducer transducer M78946 M78930 M78928 In-hull Sidelooker Sidelooker transducer transducer transducer for trolling motor Fig. 2-1 Transducer Types particular type of use. In this manual we will include detailed mounting instructions for the transom-mount transducer. We will also include some general information on the other types. For detailed information on these other transducers
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Use a low-profile transducer if – . . . you want minimum water resistance on a high-performance boat or sailboat. The bottom of the boat must be flat, or have a deadrise angle of no more than 10°. Use an in-hull transducer if – . . . you have a high-speed boat or if, for some reason, you cannot use a transom-mount or thru-hull transducer. The hull may be no more than 1" thick. Use a trolling motor transducer if – . . . you want to attach the transducer to a trolling motor. (Not recom- mended for
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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 Positioning the Transom-Mount Transducer Begin by finding the best location for the mounting bracket. Here are the rules: If your boat has one propeller (outboard or inboard-outboard), mount the transducer about 18” (455 mm) to the side of the centerline of the boat. See Fig. 2-3. Choose the side that is on the downstroke
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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
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If the propeller can be turned to steer the boat, allow at least 2" (50 mm) beyond the swing radius of the propeller. This will prevent the propeller from damaging the transducer when it is turned. After installation, check the clearance by turning the wheel so the propeller swings toward the transducer. There should always be a 2” (50 mm) clearance. If your boat has twin propellers (outboard or inboard-outboard), place the transducer near the centerline of the boat. Do not mount the tr
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5. Remove the bracket. See Fig. 2-6. The screws in the outer slots should be placed about 1/4" (6 mm) up from the bottom of each slot. The screw in the center slot should be placed 1/4” (6 mm) down from the top. (This will allow you to adjust the bracket up or down a bit.) Drill pilot holes 3/4" (19.1 mm) deep. Use a 9/64" (3.6 mm) drill bit. To prevent drilling too deeply, wrap masking tape around the drill bit about 7/8" (22 mm) from the tip. Drill in only as far as the tape marker. If you
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Fig. 2-7 Installing the Sidelooker Transducer Installation Notes – Thru-Hull Transducer or Low-Profile Transducer The installation process for these two types is almost the same. Detailed instructions for this installation will be included with the transducer. 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 or low profile transducer. Here are some other rules
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2. Choose a location where you can easily reach the transducer from inside the boat. This will allow you to service the unit. Allow at least 6" (152 mm) of headroom above the transducer. 3. When choosing a mounting location, drill a small pilot hole (1/8" or 3.2 mm) from the inside of the hull. Before you drill the hole, be sure you will be able to reach the large nut on the top of the unit, and that there will be enough clearance for the cable. If there is a strake or other feature on the h
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Installation Notes – In-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. Choose the best mounting location: For outboard powerboats – Install as far aft as possible For inboard/outboard powerboats – Install close to the engine(s) For inboard powerboats – Install forward of the propeller(s) and shaft(s) For sailboats – Install near the centerline of the hull and forward of the leading
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Fig. 2-8 Installing the Sidelooker Transducer on a Trolling Motor Mounting the Display Unit – Standard Mount You may mount the display unit on any flat surface using the bracket supplied. See Fig. 2-9. (There is also an optional kit which allows you to flush-mount the display in a flat panel or dashboard). Follow these instructions if you are using the standard mounting bracket: 1. The “LCD” type display used on this unit is easier to see from certain angles. Before selecting a permanent mou
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265 CLEAR L265 SETUP FISHFINDER PWR PAGE Raymarine To release the display from the base, press on the right and left The angle of sides until you the display hear the clicks. can be changed. Slide the display out of the bracket. The display can be turned from side to side. Fig. 2-9 Installation on Bracket Dismounting the Display Unit See Fig. 2-9. To release the display from the bracket, press and hold down the left and right sides. You will hear an audible “click,” and the bracket will slide
