Raymarine L470 Operating Instructions, Bottom Conditions, Hard Sand Soft Mud, Rocks

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Hard (Sand)

Hard (Sand)

Soft (Mud)

Rocks

Fig. 3-6

Bottom

Conditions

reach through this layer, and may be reflected by a more solid layer below. It is also possible that the sound waves are making two complete trips – hitting the seabed, bouncing off of the bottom of the boat, then reflecting off the seabed again. This can happen if the water is shallow, the seabed is hard, or the sensitivity is set to a high value.

40	Operating Instructions

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Contents Raymarine Instruction ManualFishFinder L470 Introduction ContentsInstallation Operating Instructions4 Setup Instructions Maintenance and Troubleshooting SpecificationsList of Figures Pageviii Frequency Menu ItemAbout the FishFinder L470 1 - IntroductionIntroduction Standard Equipment Optional AccessoriesSystem Components Standard TransducersTransducer switch box select between two L470 Installation 2 - InstallationAbout the Transducer Use a thru-hull transducer if Selecting the Correct Type of TransducerUse a transom-mount transducer if Use an in-hull transducer ifUse a trolling motor transducer if Assembling the Transducer BracketPositioning the Transom-Mount Transducer Use a Sidelooker transducerAllow a clearance of at least 10 inches 254 mm 10 254 mm Transducer Mounted on TransomTransducer Bracket Side View Transducer in released positionCorrect Mounting Position No!No!NoMounting the Transducer Mounting the Transom-Mount Transducer 3. Remove the two screws and the bracket covering the paddle wheels Installation Notes - Thru-Hull Transducer Installation Notes - In-Hull Transducer Installation Notes - Trolling Motor Transducers EMC Installation Guidelines Installation Notes - Transducer for Speed and Temperature OnlySuppression Ferrites Mounting the Display Unit - Standard Mount Dismounting the Display Unit70 mm Dimensions2-25/32 210 mmMounting the Display Unit - Flush Mount Flush-mount InstallationInstalling the Transducer Cable Disassembling from BracketCable feed-thru cap Cable clamp 1 25 mm Hull projections Installing Cable on TransomFiberglass 1/4 6mm Aluminum 1/2 13 mm Installing the Transducer Cable Installing the Transducer Cable - Sidelooker OptionInstallation with Separate Speed and Temperature Sensors Making the DC Power Connections DC 12V connector to battery T/D connector to transducer RED BLACK DC Power ConnectionsRF ground Calibrating the Sensors higher value for Speed Cal. If the display unit is reading high, use a smaller number for Speed Cal. You may enter any value between 75 and Controls on Display Panel 3 - Operating InstructionsOperating Instructions Left and right arrows - and Up and down arrows - andCLEAR Turning the Power On and Off Setup MemoryLamp/Contrast Menu Function Operating PagesMode See pageOnly if Sidelooker feature is turned onShallow alarm set FishFinder PageAuto frequency on Transducer frequency Top of display Fish alarm set From the System Setup Menu, you can turn this item off or Center of displayThis entry shows the speed of the boat through the water Bottom of display Choosing a Frequency 50 kHz 200 kHz Fish IndicationsWhen the boat is moving very fast An arch-shaped image indicates a fishBottom Indications Hard Sand Soft Mud Bottom ConditionsRocks Window Page WindowContentsOption B Option D Option F Option H Option A Option C Option E Option GOptions for Window Page Sidelooker Page Once the Sidelooker feature has been turned on, you can reach the Sidelooker page easily. Press the or buttons on the Page Control Pad until the Sidelooker Page appears. The unit will present a display similar to Fig Here are the special items on this display Bottom/Shore Digital Page button. The Log may be reset to zero from the Bottom Lock Mode Zoom ModeA-Scope Mode Performance ModesZoom Mode Performance ModesZoom display Zoom magnification A-Scope Bottom Coverage Mode Bottom coverage Bottom Lock Mode the selected range, then Bottom Lock will not display the bottom image Setup Instructions 4 - Setup InstructionsThe Setup Menu Fig.4-1Setup Instructions Range SettingSidelooker Sensitivity Setting Auto sensitivity Chart Speed Setting Changing the Chart Speed SettingFrequency Setting AUTO frequency Resetting the Log System Setup Menu Fig.4-8different languages. English is the default language which The unit can present the display information in one of sevenSetup Instructions Shallow Alarm For example, if the temperature reading onCLEAR conditions occurs shallow, deep, or fish alarm. For the water. You can silence the buzzer again by pressing theCode Units used for speedUnits used byfeature is particularly useful when fishing for species of fish Setup Menus for Zoom ModeZoom Select Menu button to leave this display, and store the Auto Zoom settingZoom Screen Split/Full Menu Item Setup Menus for Bottom Lock Mode Bottom Lock Range Menu ItemBottom Lock Split/Full Menu Item Setup Menu for Window Page Resetting from the Digital Page Setup Instructions for SidelookerSidelooker Range Menu Item Sidelooker Chart Speed Menu Item Sidelooker Sensitivity Menu ItemSidelooker View Menu Item Display Option Information ShownCombining Displays Resetting the Unit to Factory Defaults Default Settings Default - US model Default - Europe modelTroubleshooting Suggestions 5 - Maintenance and TroubleshootingCleaning Instructions Maintenance and TroubleshootingThe display unit “freezes” temporarily or permanently The display unit does not see the bottom or fish The FishFinder does not display fish archesThe depth setting flashes often The display unit shows lots of background “noise”For accessories and parts How to Contact RaymarineFor marine product and services information Servicing a Thru-Hull TransducerFor product repair service For technical supportPrepaid Return Service Raymarine in EuropeMaintenance and Troubleshooting Specifications 6 - SpecificationsGeneral Information FishFinder Functions Feet, fathoms, metersConnector Diagrams ConnectorsGlossary of Terms GlossaryNautical mile 6076 feet Statute mile 5280 ftLimited Warranty Certificate Warranty Limitations