Raymarine L365 Instruction Manual Page 1

FishFinder L365Instruction ManualRaymarine

6Use a trolling motor transducer if –. . . you want to attach the transducer to a trolling motor. (Not recom-mended for deep-water operations.)Use a

7Fig. 2-3TransducerMounted onTransomInstallationTransducer inreleased position10"(254 mm)Allow a clearanceof at least 10inches (254 mm)Fig. 2-4Tr

8123Insert screws 1 and 31/4" from the bottom of slots, and screw 2 1/4" from the top of theslot to allow room foradjustment.Correctalignmen

9• The bracket has a quick-release mechanism. This may reducedamage by allowing the transducer to flip up if it hits any debris or thebottom. See Fi

10Installation6. Attach the bracket to the hull using the panhead screws with flatwashers. Before you tighten the screws, apply a good-quality marine

11Installation5. Run the Sidelooker cable beside the depth cable for the transom-mount transducer.Installation Notes – Thru-Hull TransducerDetailed in

12fairing block must be able to resist the drag of the water against thehull, and must also be completely waterproof.6. If the hull of the boat has a

13Fig. 2-8Installing theSidelookerTransducer on aTrolling MotorInstallation Notes – Trolling Motor TransducerBoth Downlooker and Sidelooker transducer

14Fig. 2-9Installationon BracketInstallation Notes – Transducer for Speed andTemperature OnlyThis type of transducer may be used with a thru-hull tran

15Fig. 2-10DimensionsInstallationHole 3/16" (5 mm)3-29/32"(99 mm) 4-7/32"(107 mm)63/64"(25 mm)1-13/32"(36 mm)Countersink3/8&q

ivContentsEcho sounding – How it works (inside front cover)FishFinder L365 – Features and functions iFor information and service ii1 Introductio

164. Slide the display unit back into the bracket.5. Adjust the display unit for the best viewing angle. You can turn thedisplay from side to side, a

17Installation4. Drill the two small holes for the threaded studs as shown on themounting template. Use a 7/32" (5.5 mm) drill bit.5. Remove the

18Cable feed-thrucapCable clamp1" (25 mm)Hull projectionsFiberglass: 1/4" (6mm)Aluminum: 1/2" (13 mm)Fig. 2-13Installing Cableon Tran

19keep the transducer cable away from the antenna and power cablesfor VHF or FM radios. It is also helpful to keep the transducer cableaway from the

20Installing the Transducer Cable –Installation with Separate Speed and Temperature Sensors1. Optional depth-only and speed- and temperature-only

212. The 5-foot power cable (1.5 m) supplied with the display unit shouldreach the source of DC power. On a small boat, connect the powerleads direct

22in spite of the longer wire distance. For runs of 20 to 35 feet (6 to10.6 m), use #14 AWG.If you extend the power wiring, be sure all electrical co

233. If the display unit is reading high or low, you can correct for this usingthe entry for “Speed Cal.” (To reach Speed Cal, go to the SystemSetup

243 – Operating InstructionsIn this section of the manual, we will explain how to operate the unit.(Setup instructions are included in the next sectio

25Operating Instructionsthe display will say “Powering Off.” If you hold the button formore than 3 seconds, the display unit will switch off.Page con

vFishFinder Page 29Choosing a Frequency 34Fish Indications 35Bottom Indications 36Performance Modes 37Zoom Page 38A-Scope (Bottom Coverage

26This unit has a memory for some of the settings – range, sensitivity, zoom,and frequency. (We will explain these in a moment.) When you turn offth

27Fig. 3-3SelectingDisplayPagesZoom pageA-Scope pageSidelooker pageDigital pageFishFinder pageLamp/Contrast menuReturn toFishFinderpageNote: This will

28Adjust contrast You can also adjust the “contrast” of the display. This is ameasure of how light or dark the display appears. Usethe V control to

29FishFinder PageA moment after you first turn on the display unit, the Lamp/Contrast menudisappears. The unit then automatically switches to the Fis

30Some of these echoes indicate fish, and others show the bottom. As newechoes are received, the FishFinder “draws” a graph of the bottom. Thebottom g

31Auto zoom on (Z)The “zoom” can be used to magnify the image from a smallsection of the water below the boat. (This is used with theZoom display, wh

32Water temperatureThis entry shows the current water temperature at thesurface of the water. (The reading for water temperaturecan be helpful for fi

33Buzzer symbolThis symbol shows whether any of the alarms will use thebuzzer. There are three kinds of alarms: shallow, deep, andfish. If one of th

34Before we explain the other pages, there are some general things youshould know about the operation of the FishFinder.Choosing a FrequencyWe said th

35Fish IndicationsEven using advanced sonar technology, it is sometimes hard to detect afish in the water. The body of a fish is just a little more d

viList of FiguresFigure PageUnit in Use Inside front coverFront Panel i1-1 Typical Installation 12-1 Transducer Types 52-2 Assembling the Transducer B

36Operating InstructionsA shallow arch or horizontal line isgenerated when the boat is movingslowly or stopped.An arch-shaped image indicates a fish.T

37Hard(Sand)RocksSoft(Mud)Fig. 3-6BottomConditionsOperating InstructionsNotice that the lower layer of the bottom is shown as a solid display. Thisin

38Zoom PageOperating InstructionsTop of zoomareaZoom display(magnified)NormaldisplayBottom ofzoom areaZoommagnificationLine indicateszoom areaFig. 3-7

39Zoom magnificationThis indicates the amount of “zoom” or magnification. Youalways set the amount of zoom manually, using one of thefunctions on the

40Operating InstructionsA-Scope image(real time image)FishindicationA-ScopedisplayNormaldisplayBottomcoverageFig. 3-8A-ScopePageA-Scope (Bottom Covera

41A-Scope imageThis shows the beam of sound waves extending down fromthe boat, and spreading as it moves through the water. Anyfish or objects which

42Digital PageDepthSpeedDistance/logWatertemperatureAlarmsFig. 3-9DigitalPageOperating InstructionsPressThe Digital page presents some useful informat

43Sidelooker PageThis feature will only work if an optional Sidelooker transducer hasbeen installed, and if the Sidelooker feature has been turned on

44Boat symbolDepth below boatCenterlineFish echo markLog/distanceFig. 3-11SidelookerPageThe Sidelooker Page, like the FishFinder Page, displays a grap

45feature is on, they will be indicated by solid fish symbols. (You can turn theFish Symbol feature on or off from the System Setup Menu. See Sectio

11 – IntroductionAbout the FishFinder L365The FishFinder L365 is a system that uses sound waves (“sonar”) todetect fish and show the bottom of a lake

46The units used here are chosen using the entry for DepthUnits in the System Setup Menu. If you have selected feet(FT) or fathoms (FA), the distance

474 – Setup InstructionsThe Setup MenuPress the Setup button to enter the Setup Menu. To move from onedisplay to another, press the V and< arrows

48Range SettingFig. 4-2RangeSettingsSetup InstructionsIf you press SETUP once, the first menu item allows you to set the range.See Fig. 4-2. The rang

49Sensitivity SettingSetup InstructionsFig. 4-3SensitivitySettingThe sensitivity adjusts the ability of the unit to tell the differences betweenechoes

50then use the < and > arrows of the Page control pad to fine-tune the setting. When the FishFinder is turned off, then onagain, the Auto sensit

51Figure 4-4 shows how the chart speed setting affects the display. In bothcases, the unit is showing the same section of the bottom. Using a faster

52Zoom SettingFig. 4-6Zoom SettingsSetup InstructionsThe “Zoom” feature allows you to enlarge or magnify a section of thenormal display. This lets yo

53display, and you are looking at the Zoom display itself. Youcan manually move the Zoom area up or down by pressingthe <and V arrows of the Pag

54• 50 kHz dual frequency – The unit will use both frequencies, but theimage on the display will be generated using the information from thewider 50 k

55System Setup DisplayYou can reach the System Setup display at any time by pressing theSetup button twice. This means that you can reach this displa

2IntroductionSystem ComponentsThe FishFinder L365 consists of a compact display unit connected to atransducer. The transducer is attached to the boat

56To change one of the items, use the< and V arrows of the Page controlpad to move up or down in the display. This will highlight an area on thed

57transducer, use this line of the display to turn on theSidelooker mode.Speed Cal This unit can detect and display the speed of the boatthrough the w

58When the shallow alarm is set, the letter “S” will appear inthe lower left-hand corner of the normal displays. If youmove into shallow water and tr

59silence the buzzer for the current alarm condition. The“S” or “D” symbol will continue to flash as long as the alarmcondition is still present.If t

60Temp Units This item sets the units used by the temperature display.You can choose Fahrenheit degrees (°F) or Celsiusdegrees (°C). Use the < and

61Setup InstructionsFig. 4-11SidelookerRange SettingsNext, press the > arrow of the Page control pad until you see theSidelooker page.The next job

62This menu item allows you to set the sensitivity for the Sidelooker featureonly. (This will not change the sensitivity setting for the other displa

63Default SettingsWhen the FishFinder is new, it uses a number of preset “default” settings.Here is a list:Function Default - US model Default - Europ

645 – Maintenance and TroubleshootingPeriodically check the display unit, cable, and transducer. Be sure allcomponents are free of corrosion and are

65the factory defaults. See the default settings on page 63.2. If the power wiring includes a fuse, it may be blown. Also check thecircuit breaker or

3Description Part No.Sidelooker transom-mount transducer M78930Sidelooker transducer for trolling motor mounting.Companion with M78928 downlooker dept

664. The transducer cable may be damaged. Check for any point wherethe wiring may be pinched or bent. Look for signs that water hasgotten into the c

67The FishFinder does not display fish arches –1. Be sure the Fish Symbol feature is turned off. See the instructions forthe System Setup display.2.

68The speed or log readings are wrong –1. The paddle wheel on the transducer may be fouled. Clean the partsas described in the section on “Cleaning I

69For technical supportPlease call 1-800-539-5539, extension 2444 or (603) 881-5200, extension2444. The Raymarine Fax number is 1-603-634-4756.O

70Raymarine in EuropeIn Europe, support, service, and accessories are available from:Raymarine LimitedAnchorage Park, PortsmouthHampshire PO3, 5TD, En

71Maintenance and Troubleshooting

726 – SpecificationsGeneral InformationDisplay panel FSTN high-contrast LCDPanel dimensions 3.6" H (61 mm) x 2.4" W (91 mm)No. of dots 240 x

73FishFinder FunctionsRange Auto or manualFT (feet) 5 10 20 30 50 80100 150 250 400 600 10001500 2000FA (fathoms) 2 3 5 10 15 2025 30 50 80 100 150200

74Connector DiagramsSpecifications12123456789Pin 1 Ground (-)Pin 2 12V DC (+)DC power connectorPin 1 Depth TX+Pin 2 Depth TX-Pin 3 L SelectPin 4 TempP

75Glossary of TermsGlossaryAft: Near or toward the rear part of the boat (nautical term).Background noise: False or meaningless echo returns produce

42 – InstallationThe installation process has four parts:• Mounting the transducer• Mounting the display unit• Connecting the cables for the transduce

76Knot: One nautical mile per hour (1.15 statute miles per hour).LCD: “Liquid Crystal Display” - A technology used to produce flat-paneldisplays.Nau

Limited Warranty CertificateRaymarine warrants each new Light Marine/Dealer Distributor Product to be of good materials andworkmanship, and will repai

Factory Service CentersUnited States of America UK, Europe, Middle East, Far EastRaymarine,Inc. Raymarine Ltd22 Cotton Road, Unit D Anchorage park, Po

5M78898Transom-mounttransducerM78923Thru-hulltransducerM99-142Fairing forthru-hull transducerM78946In-hulltransducerM78930Sidelookertransducer fortran