Raymarine L750 Instruções de Operação

L750 FishfinderOperation HandbookRaymarine

L750 Fishfinder: Installation and Operation Handbook2Description Part No.L750 Fishfinder display unit M78956Sun cover D331Bracket assembly W143Two tru

Chapter 1: Introduction3Flush-mounting kit (with hardware andmounting template) M92708Fairing block for M78923 thru-hulltransducer (Lexan®) M99-142Low

L750 Fishfinder: Installation and Operation Handbook4Chapter 2: InstallationThe installation process has four parts:• Mounting the transducer• Mountin

Chapter 2: Installation5will give the most reliable readings if it looks into water which is smoothand undisturbed. If you place the transducer so bu

L750 Fishfinder: Installation and Operation Handbook6Use a trolling motor transducer if –. . . you want to attach the transducer to a trolling motor.U

Chapter 2: Installation7Before You Begin the InstallationFollow these instructions if you are installing the thru-hull transducer.Here are some rules

L750 Fishfinder: Installation and Operation Handbook8• Choose a location where the transducer will always be covered bywater.• The beam from the trans

Chapter 2: Installation9Inner partof fairingblockOuter partof fairingblockLower part oftransducer(front view)Sectionof hullUpper part oftransducerkeep

L750 Fishfinder: Installation and Operation Handbook10Installing a Thru-Hull TransducerFollow these instructions if you are installing the thru-hull t

Chapter 2: Installation119. As soon as the boat is placed in the water, check for leaks. Checkagain within 3 to 5 hours. (You may not be able to see

L750 Fishfinder: Installation and Operation Handbook12Positioning the Transom-Mount TransducerFollow these instructions if you are installing the tra

Chapter 2: Installation13Fig. 2-8 Transducer Bracket, Side ViewMounting the Transom-Mount TransducerFollow these instructions if you are installing

L750 Fishfinder: Installation and Operation Handbook146. Attach the bracket to the hull using the panhead screws with flatwashers. Before you tighten

Chapter 2: Installation15Fig. 2-10 Mounting the TransducerMounting the Optional Sidelooker Transducer1. The Sidelooker transducer allows the display

L750 Fishfinder: Installation and Operation Handbook16Fig. 2-11 Installing the Sidelooker TransducerInstallation Notes – In-Hull TransducerDetailed

Chapter 2: Installation17epoxy glue. Do not use any other type of adhesive, including siliconeor RTV adhesive.Installation Notes – Trolling Motor Tra

L750 Fishfinder: Installation and Operation Handbook18of some information, and it can change the operating mode.Avoid running the Fishfinder power wir

Chapter 2: Installation19Mounting the Display Unit –Standard MountYou may mount the display unit on any flat surface using the bracketsupplied. See F

L750 Fishfinder: Installation and Operation Handbook20behind the area where the display unit will be mounted. It is a goodidea to drill a small pilot

Chapter 2: Installation21Installing the Transducer Cable -Thru-Hull and Transom-Mount InstallationA 20 foot length of cable, with the connector attach

ContentsiContentsChapter 1: Introduction... 1About the L750 Fishfinder ...

L750 Fishfinder: Installation and Operation Handbook22Important! The L750 Fishfinder is sometimes used with theRaymarine SL70 “Pathfinder” radar disp

Chapter 2: Installation23Installation with Separate Speed and TemperatureSensors1. Optional depth-only and speed- and temperature-only transducersare

L750 Fishfinder: Installation and Operation Handbook242. The 6-foot power cable supplied with the display unit should reachthe source of DC power. Co

Chapter 2: Installation25Fig. 2-18 DC Power ConnectionsCalibrating the SensorsThe transducers most often used with this unit include sensors for boa

L750 Fishfinder: Installation and Operation Handbook262. You may also use locations indicated by a G.P.S. or Loran unit. (Ifyou choose this method, re

Chapter 3: Operating Instructions27DISPLAYGAINVRM/EBLMULTIMARKSALARMSRANGEENTER CLEAR MENUPOWERChapter 3: Operating InstructionsIn this section of the

L750 Fishfinder: Installation and Operation Handbook28TrackpadThe Trackpad is used when you are setting up the unit. We will explainthe details in Ch

Chapter 3: Operating Instructions29and is shown as a straight line. Echoes from objects directly above thebottom are indicated on the display.A-Scope

L750 Fishfinder: Installation and Operation Handbook30AlarmsThe Fishfinder has a deep-water alarm, a shallow-water alarm, and a“Fish” alarm which is t

Chapter 3: Operating Instructions31To make a choice, move through the list using the up- and down-controlson the Trackpad. (This is the large circula

L750 Fishfinder: Installation and Operation HandbookiiSidelooker Option ... 22Installation wi

L750 Fishfinder: Installation and Operation Handbook32Setup Memory and Master ResetWhen you first turn on the power, the unit will be prepared to oper

Chapter 3: Operating Instructions3316 -Soft keysDownlook PageWhen you first turn on the display unit, the unit automatically switches tothe Downlook p

L750 Fishfinder: Installation and Operation Handbook34Notice that the scrolling speed of the display does not necessarily matchthe speed of the boat.

Chapter 3: Operating Instructions356 - Transducer frequencyThe transducer can use two frequencies - 50 kHz for widecoverage, or 200 kHz for a detailed

L750 Fishfinder: Installation and Operation Handbook36finding fish. A particular type of fish will often prefer water in anarrow temperature range.)

Chapter 3: Operating Instructions37Before we explain the other basic pages, there are some general thingsyou should know about the operation of the Fi

L750 Fishfinder: Installation and Operation Handbook38the surface will have a larger arch. This is because the fish which is closerreturns more of th

Chapter 3: Operating Instructions39the sound waves may reach through this layer, and may be reflected by amore solid layer below. It is also possible

L750 Fishfinder: Installation and Operation Handbook40Here are the items which may be selected for the left half of the display:Option A Depth, speed,

Chapter 3: Operating Instructions41LogThis entry shows the distance traveled, determined by the speedthrough the water. The L750 remembers this value

ContentsiiiAlarms ... 55Mark ...

L750 Fishfinder: Installation and Operation Handbook42SpeedThis is the speed of the boat through the water.LogThis entry shows the distance traveled,

Chapter 3: Operating Instructions4350 kHz frequencyWhen using this frequency, the transducer can scan a wide area.The 50 kHz signal penetrates water w

L750 Fishfinder: Installation and Operation Handbook44If you are using one of the dual frequency settings, you can getsome useful information from the

Chapter 3: Operating Instructions45Fig. 3-10 Zoom Feature OnZoom areaWhen you turn on the zoom feature, it can only enlarge a part of theDownlook di

L750 Fishfinder: Installation and Operation Handbook46You may also set the zoom area manually. When you first pressthe Zoom Soft Key, another set of

Chapter 3: Operating Instructions47Bottom Lock Soft KeyThe normal display on the Fishfinder is a “top-down” view, as if it was seenfrom the surface of

L750 Fishfinder: Installation and Operation Handbook48RangeWhen the Bottom Lock feature is turned on, the range is measuredup from the bottom, rather

Chapter 3: Operating Instructions49A-Scope (Bottom Coverage) KeyOn the Downlook display, the bottom graph is “drawn” after theFishfinder receives seve

L750 Fishfinder: Installation and Operation Handbook50display. This is a “real time” display, so you can see the fish imagesmoving as the fish swim u

Chapter 3: Operating Instructions51To change the gain or sensitivity setting, press the Gain button. Fournew Soft Keys may appear at the bottom of th

L750 Fishfinder: Installation and Operation HandbookivFiguresFig. 2-1 Transducer Types... 4Fig. 2-2 Th

L750 Fishfinder: Installation and Operation Handbook52200 kHz SettingTo make the gain or sensitivity setting when the unit is using the200 kHz frequen

Chapter 3: Operating Instructions53Here is a list of the possible range settingsIn feet:5, 10, 15, 20, 30, 40, 50, 60, 80, 100, 150, 180, 200,250, 300

L750 Fishfinder: Installation and Operation Handbook54See Fig. 3-17. Using the up- and down-controls on the Trackpad, youcan move this line up or dow

Chapter 3: Operating Instructions55AlarmsThe Fishfinder has two kinds of depth alarms, and an alarm which istriggered when fish are present. The Alar

L750 Fishfinder: Installation and Operation Handbook56trigger the alarm, the letter “D” will begin to flash, and the buzzer willsound. Press the Clea

Chapter 3: Operating Instructions57Mark lineMark distanceWhen the Buzzer entry is set to Off, the buzzer is silenced for all of thealarms. Once you

L750 Fishfinder: Installation and Operation Handbook58About the Sidelooker FeatureSome installations include the optional “Sidelooker” transducer. Th

Chapter 3: Operating Instructions59Fig. 3-22 Sidelooker PageThe Sidelooker PageThe Sidelooker page, like the Standard page, displays a graph or char

L750 Fishfinder: Installation and Operation Handbook60If the fish symbols are turned on -Any fish echoes appear as easy-to-read fish symbols, along wi

Chapter 3: Operating Instructions61The Split-Screen Sidelooker PageThe unit can also display Sidelooker information in a split-screen format.When you

ContentsvFig. 3-9 Split Frequency Feature ... 43Fig. 3-10 Zoom Feature On ...

L750 Fishfinder: Installation and Operation Handbook62If you press either side of the Range button while the Sidelooker displayis showing, the unit wi

Chapter 4: Setup Instructions63Chapter 4: Setup InstructionsThe Setup MenusThere are two groups of setup menus. When you press the Menubutton, the un

L750 Fishfinder: Installation and Operation Handbook64chart speed, the display has more space on the display to show thissection, so it can include mo

Chapter 4: Setup Instructions65Here are the items on this menu:SimulatorThis unit has a built-in simulator. When the simulator is enabled, itpresents

L750 Fishfinder: Installation and Operation Handbook66When the fish symbol is turned off, the unit indicates a fish byshowing an arch-shaped line. Se

Chapter 4: Setup Instructions67Depth DigitsThis item sets the size of the digits used to show the bottom depthon the Standard and Dual displays. The

L750 Fishfinder: Installation and Operation Handbook68Temp On/OffAn entry for temperature may appear on the Downlooker page.You can turn this item off

Chapter 5: Maintenance and Troubleshooting69Chapter 5: Maintenance andTroubleshootingPeriodically check the display unit, cable, and transducer. Be s

L750 Fishfinder: Installation and Operation Handbook70the Power and Enter buttons at the same time to change all settingsto the factory defaults. See

Chapter 5: Maintenance and Troubleshooting71the wiring may be pinched or bent. Look for signs that water hasgotten into the cable. If the transducer

L750 Fishfinder: Installation and Operation Handbookvi

L750 Fishfinder: Installation and Operation Handbook722. The Fishfinder will not display arches unless the boat is moving. Ifthe boat is stopped, fis

Chapter 5: Maintenance and Troubleshooting73The speed or log readings are wrong –1. The paddle wheel on the transducer may be fouled. Clean the parts

L750 Fishfinder: Installation and Operation Handbook74authorized Raymarine dealer. However, if you are in need of an item notavailable through your r

Chapter 5: Maintenance and Troubleshooting751a1c1eParts ListingKey No. Part Part No. Qty.1 Front facia (consisting of 1a - 1f) G625704-1 11a Blanking

L750 Fishfinder: Installation and Operation Handbook762314Key No. Part Part No. Qty.1 Keypad PC board - upper R113 1LCD module 12Case seal R070 14 Key

Chapter 5: Maintenance and Troubleshooting771231Key No. Part Part No. Qty.1 Washers (part of 2) - 2Rear cover 123 Main PC board assembly G625706-1 1W0

L750 Fishfinder: Installation and Operation Handbook78Chapter 6: SpecificationsGeneral InformationDisplay panel 7" FSTN high-contrast LCD with 4

Chapter 6: Specifications79Reset distance log 0 to 999 unitsFish symbols 8 sizesOutput power 500 W(rms)Frequency 50 kHz, 200 kHz or dual operationTran

L750 Fishfinder: Installation and Operation Handbook80Fig. 6-2 DimensionsDISPLAYGAINVRM/EBLMULTIMARKSALARMSRANGEENTER CLEAR MENUPOWER

Glossary81Glossary of TermsAft: Near or toward the rear part of the boat (nauticalterm).Background noise: False or meaningless echo returns produced

Chapter 1: Introduction1Chapter 1: IntroductionAbout the L750 FishfinderThe L750 Fishfinder is a system that uses sound waves (“sonar”) todetect fish

L750 Fishfinder: Installation and Operation Handbook82kHz: “Kilo-Hertz” – a measure of frequency (Forexample, 200 kHz = 200,000 oscillations perseco

Glossary83Transducer: A device which sends and receives highfrequency sound waves through the water.Transom: The rear-most part of the boat’s hull, of

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