Raymarine L470 - Manual

vii 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...

viii 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 7...

1 Introduction Fig. 1-1 Typical Installation 1 – Introduction About the FishFinder L470 The FishFinder L470 is a system that uses sound waves (“sonar”) todetect fish and show the bottom of a lake or sea. The system includes atransducer and a display unit, connected by a cable. The transducersends hi...

2 Introduction System Components The FishFinder L470 consists of a compact display unit connected toa transducer. The transducer is attached to the boat and extends intothe water. Standard Equipment When you unpack your FishFinder L470, you should find the followingstandard equipment in the carton. ...

Installation 4 2 – Installation The installation process has four par ts: • 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...

Installation 5 Fig. 2-1 TransducerTypes Selecting the Correct Type of Transducer Before you begin the installation, double-check to be sure you have thecorrect type of transducer. Each kind of transducer is designed for apar ticular type of use. In this manual we will include detailed mountinginstru...

Installation 6 Fig. 2-2 Assemblingthe TransducerBracket 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. Th...

Installation 9 measured from the bottom of the transom. • If considering the Sidelooker option, look for a mounting locationwhere the Sidelooker array will not be blocked by the engine housingor other mounted hardware. • If the boat will be carried on a trailer, be sure the transducer will nothit an...

Installation 10 Fig. 2-7 Installing theSidelookerTransducer 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 - Transo...

Installation 11 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 ofthese rules apply when you a...

Installation 12 6. If the hull of the boat has a core-type hull, you will need to followsome special mounting procedures. The core material must beprotected 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 weakenthe hull.) 7. Wh...

Installation 13 Installation Notes – Trolling Motor Transducers Both Downlooker and Sidelooker transducers may be installed on atrolling motor. See Fig. 2-8. Detailed instructions for these installations will be included with thetransducer(s). The Downlooker transducer is mounted on the horizontalge...

Installation 14 Installation Notes – Transducer for Speed and Temperature Only This type of transducer may be used with a thru-hull transducer whichreads depth only. The speed/temperature transducer is attached to thetransom of the boat. Detailed instructions for this installation will beincluded wi...

Installation 16 Fig. 2-10 Installationon Bracket Mounting the Display Unit – Standard Mount You may mount the display unit on any flat surface using the bracketsupplied. See Fig. 2-10. (There is also an optional kit which allows you toflush-mount the display in a flat panel or dashboard). Follow the...

Installation 18 Mounting the Display Unit – Flush Mount In order to do this installation, you will need the optional flush mounting kit(part no. M99-138). See Fig. 2-12. 1. Select a mounting location on the dashboard or control panel.Choose a clear, flat area at least 7" x 7" (180 mm x 180 m...

Installation 19 Fig. 2-13 Disassemblingfrom Bracket 6. Separate the display unit from the mounting bracket. (See Fig. 2-13.)Press the large button in the center of the bracket to separate thebracket arms. The display unit is attached to the arms by two screws.Each screw is covered by a cap. Locate t...

Installation 21 When you attach the extension cable, be sure that the connectionsare tight and watertight. Use Dow Corning DC-4 or an equivalentsealing compound to protect the connector assemblies. 5. At the rear of the display unit, plug in the transducer cable using thekeyed connector. Installing ...

Installation 22 2. Plug the cable from the depth-only transducer into the receptacleconnector on the optional speed- and temperature-only transducer.The speed- and temperature-only transducer then connects at thetransducer receptacle of the FishFinder L470. This is shown below inFig. 2-16. Making th...

Installation 2 4 Note – Press firmly when inserting the power cable and transducer cable toensure a tight seal. 8. When you press the PWR button, the display unit should tur n on. If the unit will not turn on and you suspect that you may have reversed the power connections, check the DC power lines ...

2 6 Operating Instructions Fig. 3-1 DisplayPanel 3 – Operating Instructions In this section of the manual, we will explain how to operate the unit.(Setup instructions are included in the next section.) Below is a drawingof the display unit. Controls on Display Panel The FishFinder is designed to be ...

28 Operating Instructions BOT LOCK The “Bottom Lock” Mode shows a “bottom-up” view. Thebottom is used as a reference, and all depths are mea-sured from the bottom up. For more information, see the section on “Performance Modes” on page 50. Turning the Power On and Off Press the PWR button once to tu...

3 0 Operating Instructions Save settings When the settings on this display are correct, press the CLEAR button to save the settings and go to the FishFinder Page. Operating Pages The L470 FishFinder has four “pages,” or normal displays. These can beused to show different kinds of information. Here i...

32 Operating Instructions FishFinder Page Figure 3-4 shows a typical FishFinder display. (The FishFinder Page isalso called the “chart” or “bottom graph” display.) As time passes, thisdisplay scrolls from right to left. The scrolling image becomes a record ofthe echoes and the bottom seen by the Fis...

3 3 Operating Instructions “chart speed.” You can adjust this using the “Setup Menu.” (See Section 4.) Many of the items on this display appear in the other display pages. Sinceyou are likely to use the FishFinder Page most often, we will explain all ofthese items here. Top of display Buzzer symbol ...

3 4 Operating Instructions Fish alarm set The FishFinder also has an alar m which will sound when-ever it detects a fish. When this alarm is set, the fishsymbol appears at the top of the display. If the alarm istriggered and the buzzer has been turned on (in theSystem Setup Menu), the buzzer will so...

35 Operating Instructions the unit to use both frequencies at the same time (“dualfrequency”), or even display both frequencies at once (“splitscreen”). Auto frequency on (A) An “A” indication here shows that the unit is choosing thefrequency automatically. (For more on this, see “Choosingthe Freque...

36 Operating Instructions From the System Setup Menu, you can tur n this item offor change the units used for this display. Fish symbol This indicates that the FishFinder sees a fish. Generally,the larger the fish symbol appears, the larger the fish. (Thesize of the fish symbol actually depends on a...

37 Operating Instructions Choosing a Frequency We said that the FishFinder uses sound waves to “see” through the waterunder the boat. The “frequency” is a measure of how fast the soundwaves change or “vibrate.” The FishFinder uses sound waves with twodifferent frequencies – 50 kHz and 200 kHz. Rayma...

38 Operating Instructions Fish Indications Even using advanced sonar technology, it is sometimes hard to detect afish in the water. The body of a fish is just a little more dense than thesurrounding water. There is really nothing very solid for the sound wavesto bounce off of. The FishFinder L470 is...

39 Operating Instructions fish symbols on the display. A fish with a large air sac will produce a largefish symbol, while a fish with a small sac will produce a small symbol. The symbol also indicates which of the two frequencies was used to locate the fish. If the fish was spotted by the wide 50 kH...

40 Operating Instructions Hard (Sand) Rocks Soft (Mud) Fig. 3-6 BottomConditions 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 reflec...

41 Operating Instructions Window Page The Window Page is a flexible feature which allows you to combineseveral different kinds of infor mation on the display of the unit. SeeFig. 3-7. The right side of the Window Page is a half-screen version of the Fish-Finder Page. All of the features of the full-...

43 Operating Instructions Rock Sidelookertransducer 11 ° beam aimed down at 4 ° angle Boat Fish Fish 31 ° beam Rock Transducer mountedon trolling motor The digital displays in Window options A, B, C, D, and E all behaveidentically to the corresponding ones in the full-screen Digital Page (seepage 47...

44 Operating Instructions The optional Sidelooker transducer transmits two acoustic beams—one tothe port side of the boat, and one to the starboard. These are displayedon the left and right halves of the Sidelooker Page. See Fig. 3-9. Once the Sidelooker feature has been tur ned on, you can reach th...

46 Operating Instructions measured sideways. See Fig. 3-9. The units used here are chosen using the entr y for Depth Units in the SystemSetup Menu. If you have selected feet (FT) or fathoms(FA), the distance shown here will be measured in feet. Ifyou have selected meters (M), the distance shown here...

50 Operating Instructions Performance Modes This unit has three “performance” modes which can be used to add to thestandard FishFinder Page. These are the Zoom, A-Scope and BottomLock Modes. Each mode presents the raw infor mation from the transduc-ers in a special way. To reach one of these modes, ...

51 Operating Instructions Many of the items presented by the Zoom Mode are the same as those onthe FishFinder Page. There are a few additional items: Zoom magnification This indicates the amount of “zoom” or magnification. Youalways set the amount of zoom manually. While the Zoom screen is visible, ...

52 Operating Instructions A-Scope (Bottom Coverage) Mode On the FishFinder Page the bottom graph is “drawn” after the FishFinderreceives several echoes. This has the effect of showing a record of thebottom contour. The A-scope Mode shows raw sonar data directly from the transducer beam. This gives y...

53 Operating Instructions create wider lines. Unlike the scrolling FishFinder Page, the A-Scope does not show a history of scans; instead, it is a“real-time” display. The shape of the A-Scope display showsthe result as the sonar beam spreads as it penetrates deeperinto the water. Bottom coverage The...

56 Setup Instructions Fig.4-1 Setup Menu Items(from FishFinderPage) 4 – Setup Instructions The Setup Menu Press the SETUP button to enter the Setup Menu. The menu items avail- able will change, depending on the display or combinations of displays theunit is presenting when you press SETUP . Figure 4...

57 Setup Instructions Fig. 4-2 RangeMenu Item order will be different if you start from the Zoom or Bottom Lock Modes.) To move from one menu item to another, press the < and V arrows of the Page Control Pad. (If you continue to press < and V often enough, you will eventually retur n to the sa...

58 Setup Instructions line so you can choose the range you want. Use the < and >arrows of the Page Control Pad to make a selection. Hereare the choices: Possible Range Settings (Auto or Manual)In feet: 5, 10, 15, 20, 30, 40, 50, 60, 80, 100, 150, 200, 250, 300, 400,600, 800, 1000, 1500, 2000, ...

60 Setup Instructions Section of bottom shownat higher chart speed - Same section shown atslower chart speed - Display showsmore detail Display showslonger "history" Fig. 4-4 Changing theChar t SpeedSetting Chart Speed Setting Most of the displays on the FishFinder show a record of the signa...

61 Setup Instructions Fig. 4-5 Char t SpeedMenu Item Fig. 4-6 FrequencyMenu Item Chart speed This adjusts the speed at which the infor mation movesacross the display. Use the < and > arrows of the Page Control Pad to change the chart speed. Making the barlonger increases the char t speed. If y...

63 Setup Instructions If you are using one of the dual frequency (or split) selections, some of thefish may appear in the wide 50 kHz beam, but not in the narrower 200 kHzbeam. Fish which appear in the narrow 200 kHz beam are located moredirectly under the transducer, and the symbol will be solid bl...

64 Setup Instructions FishFinder Page System Setup Menu Fig.4-8 Reaching theSystem SetupMenu System Setup Menu You can reach the System Setup Menu at any time by pressing SETUP twice. See Fig. 4-8. (If you have called up the Window Page, with optionF, G, or H selected, you must press SETUP a third t...

66 Setup Instructions shown using a more solid area of black or gray. Thisfeature helps to show the difference between the strongecho from the bottom and the weaker echoes from fish orweeds near the bottom. The image shown in Fig. 3-4 ispresented with the White Line feature turned on. VRM “VRM” mean...

69 Setup Instructions operating with dual frequencies, the buzzer will produce two tones—one right after the other. If a fish has been detectedby the 200 kHz beam, a high tone will be followed by alower tone. If the fish is detected by the 50 kHz beam, thelow tone will sound first, followed by the h...

71 Setup Instructions Fig. 4-10 Zoom SelectMenu Item Setup Menus for Zoom Mode The “Zoom” setup menus allow you to customize the Zoom feature to yourpar ticular application. When the unit is in the Zoom Mode, these two menuitems are added to the existing Setup Menu of the Page currently se-lected. J...

72 Setup Instructions Manual Zoom If you select Manual Zoom, you can choose the position ofthe zoom area yourself. Use the < and > arrows of the Page Control Pad to select Manual Zoom. Once you make this choice, you can set the zoom areayourself. You do this after you exit the Zoom Setup MenuI...

73 Setup Instructions Fig. 4-12 Bottom LockRange MenuItem If you are done with your setup changes, press the CLEAR button to go back to the normal display. If you press the V arrow of the Page Control Pad at this point, the next menu will be the Range menu shown in Fig. 4-1. Setup Menus for Bottom L...

74 Setup Instructions Fig. 4-13 Bottom LockSplit/FullMenu Item If you are done with your setup changes, press the CLEAR button to go back to the normal display. To select the next menu item, press the V arrow of the Page Control Pad. Bottom Lock Split/Full Menu Item When you first press the Bottom L...

75 Setup Instructions Fig. 4-14 Digital SetupMenu Item Setup Menu for Window Page You can choose some of the elements which are presented on the WindowPage. You will recall that you can step to this pages by using the < or > controls on the Page Control Pad. See Fig. 3-3.Normally, the displays...

76 Setup Instructions Resetting from the Digital Page Two functions can be reset from the Digital Page. These are ElapsedTime and Log Reset. When the unit is displaying the Digital Page, pressthe SETUP button. The unit will present a menu item showing the current reading for the log. To reset the lo...

77 Setup Instructions Press the > control until you see the Sidelooker Page. If you press SETUP while the Sidelooker Page is visible, the unit will present the menu itemshown in Fig. 4-15. Sidelooker Range Menu Item Once the Sidelooker feature is turned on, the FishFinder uses two rangesettings: ...

78 Setup Instructions Fig. 4-16 SidelookerSensitivityMenu Item Sidelooker Sensitivity Menu Item This menu item allows you to set the sensitivity for the Sidelooker featureonly. (This will not change the sensitivity setting for the other displaypages.) Choose Auto or Manual sensitivity. If you choose...

79 Setup Instructions Fig. 4-18 SidelookerView MenuItem move the bar all of the way to the left, the FishFinder will “freeze” and holdthe current display. (The depth indicator will continue to update.) If you are done with your setup changes, press the CLEAR button to go back to the normal display. ...

80 Setup Instructions Combining Displays The FishFinder L470 unit can combine displays in many different ways.This allows you to make maximum use of the display area, and chooseonly the information you really want. Here are some of the ways theimages can be combined. Dual-frequency split screen – If...

81 Setup Instructions Window Page with Sidelooker – You can combine a Sidelooker view with the Window Page display. Figure4-20 shows an example where the Sidelooker view has been combinedwith the Zoom Mode in the Window Page. Notice that, again, the displayis split ver tically down the middle. There...

82 Setup Instructions Default Settings When the FishFinder is new, it uses a number of preset “default” settings.Here is a list: Function Default - US model Default - Europe model Range Auto Auto Sensitivity Auto Auto Chart Speed 3 (fast) 3 (fast) Frequency Auto (200 kHz) Auto (200 kHz) Simulator Of...

83 Maintenance and Troubleshooting 5 – Maintenance and Troubleshooting Periodically check the display unit, cable, and transducer. Be sure allcomponents are free of corrosion and are securely mounted. Check allcables for signs of chafing or abrasion. Be sure all of the connections tothe boat’s DC po...

86 Maintenance and Troubleshooting tions for the System Setup Menu. 2. The FishFinder will not display arches unless the boat is moving. Ifthe boat is stopped, fish will appear on the display as straight lines. 3. The transducer may not be aimed straight down. In order to displaycomplete arches, the...

87 Maintenance and Troubleshooting The 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 Instructions.” 2. Check the speed calibration. Use the item for “Speed Cal” on theSystem Setup Menu. See the instructio...

88 Maintenance and Troubleshooting For technical support Please call 1-800-539-5539, extension 2444 or (603) 881-5200, extension2444. The Raymarine Fax number is 1-603-634-4756. Our Technical Support Specialists are available to answer questions aboutinstalling, operating, and troubleshooting all Ra...

89 Maintenance and Troubleshooting Raymarine in EuropeIn Europe, suppor t, service, and accessories are available fromRaymarine Limited: Raymarine LimitedAnchorage Park, Por tsmouthPO3 5TD, EnglandTel: +44 (0) 23 9269 3611 Fax: +44 (0) 23 9269 4642 Technical suppor t is available via the Internet. Q...

91 Specifications 6 – Specifications General Information Display panel FSTN high-contrast LCD Panel dimensions 3.8" H x 3.8" W (96 mm x 96 mm) No. of dots 240 x 128 LCD contrast Adjustable, with temperature compensation Backlight LCD panel, adjustable Operating pages FishFinder Page (standar...

92 Specifications FishFinder Functions Range Auto or manual FT (feet) 5 10 15 20 30 40 50 60 80 100 150 200 250 300 400 600 800 1000 1500 2000 2500 FA (fathoms) 1 2 3 4 5 8 10 15 20 25 30 40 50 60 80 100 150 200 250 300 450 M (meters) 2 4 6 8 10 15 20 25 30 40 50 60 80 100 150 200 300 400 500 650 80...

93 Specifications Connector Diagrams 1 2 1 2 3 4 5 6 7 8 9 Pin 1 12V DC (+) Pin 2 Ground (-) DC power connector Pin 1 Depth TX+ Pin 2 Depth TX- Pin 3 L Select Pin 4 Temp Pin 5 R Select Pin 6 Speed signal/voltage + Pin 7 Shield ground Pin 8 +12V (sidelooker) Pin 9 L/R receive Transducer connector (Co...

Glossary 94 Glossary of Terms Aft: Near or toward the rear part of the boat (nautical ter m). Background noise: False or meaningless echo returns produced by bubbles, water turbulence, or debris Bow: The front of the boat (nautical term). Cavitation: Air bubbles in the water which affect the reading...

95 Glossary LCD: “Liquid Crystal Display” - A technology used to produce flat-panel displays. Nautical mile: 6076 feet Port: Left side of the boat, when facing the bow (nautical ter m). PVDF: “Poly Vinylidene Fluoride” – A unique polymer plastic that has the ability to conver t sound waves into elec...

Limited Warranty Certificate Raymarine warrants each new Light Marine/Dealer Distributor Product to be of good materials andworkmanship, and will repair or exchange any parts proven to be defective in material andworkmanship under normal use for a period of 2 years/24 months from date of sale to end...