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    Boat fish finder guide Boat fish finder guide Document Transcript

    • Boat Fish Finder Guide www.boatfishfinder.com
    • Contents3 Important Things To Consider Before Buying A Gps Fish Finder ........................................2A Few Good Reasons to Use Hummingird Fish Finders..........................................................3Choosing A Fishfinder 5 aspects you need know ...................................................................4Know Fish Finder Display .............................................................................................................6How To Mount A Fish Finder.........................................................................................................7Portable Fish Finder Or Fixed One..............................................................................................9How Fish Finders Work .................................................................................................................9How to Choose The Perfect Fishfinder GPS Combo Device .............................................19How To Use Fish Finder Reviews ..............................................................................................203 Important Things To Consider BeforeBuying A Gps Fish FinderAre you looking at purchasing a good fish finder but are not sure which one would be thebest one to buy? Then you need to know about 3 important factors to look for beforechoosing any fish finder.These 3 factors are essential because they will ensure that the fish finder you purchasewill really work effectively every time you use it. Here are the 3 vital factors you need toknow.One: Ease of use - If you plan on using your fish finder a lot it is certainly a good idea toget one that is easy to use. If it is too complex you will end up never using it and wastingyour money.Always be sure that the fish finder is easy to use before you purchase it so that you canmake sure you are getting one that you can use on a regular basis without any problems.Otherwise you will just get frustrated with it and stop using it altogether.Two: Quality - Always take time to make sure the quality of the fish finder is there. Not allof these GPS devices for finding fish are the same quality and they dont all have thesame features. 2
    • You have to take time to be sure that it is a good fish finder and that it will last for a longtime. Quality may be more costly, but it will be well worth it when your device is helpingyou catch a lot fish.Three: Features - Take time to determine what features you want your fish finder to have.This will help you find one that has only the features that will be needed and nothing extra.The more features a fish finder offers the more expensive it will be so you want to be surethat you are not wasting your money on features you do not need.Research and comparing will be needed to help you best determine what features youneed and how much they are going to cost you. Dont get any device without first doingyour homework or you could end up wasting money you dont need to.These are the 3 important things to look for before you buy a GPS fish finder. If the fishfinder doesnt have these then it is a good idea to look at another one so you can be surethat you get one that really will do what it says it will every time you use it.A Few Good Reasons to UseHummingird Fish FindersNot many fishermen are aware of the benefits of Hummingbird Fish Finders, and to behonest, I was a little bit reluctant of buying one myself at first. These days, after havingone for about 6 months, I have to confess, I do feel lost without it when Im on water.So, if you dont know whether you should acquire one to take your fishing experience onestep further, here are a few reasons for you to do so.1. One of the elite Hummingbird Fish Finders will provide you with Side Imaging and DownImaging technology. That means, crystal clear images will appear on your screen. You willclearly see fish, structures, ditches, bumps, trees or anything thats in the waters yourefishing on. Side Imaging will provide you with images on whats on both sides of your boat,and Down Imaging will show you whats directly under your boat. Therefore, you will beable to locate at least a big catch for any fishing trip.2. Although Down Imaging and Side Imaging are reliable on 150-200ft depths, if youregoing to fish in deeper waters, youll still have the Hummingbird SwitchFire and DualBeamsonar systems to rely one. Returns will be however, chart-like or more like graphics. Oneway or another, you will be able to know exactly what structures and fish are under you,even in musky waters. 3
    • 3. Most Hummingbird Fish Finders are more than tools for finding fish. The high-endmodels will provide you with excellent GPS features, providing you with maps andunderwater 3D images, as well as satelite photos of harbors and marinas. Enhanced PortServices and Points of Interest put data of all major coastal roads, area services andphone numbers right at your fingertips, making Navionics Platinum your completeon-water resource.AdChoices4. Almost each one of the Hummingbird Fish Finders has a memory card where you cannote waypoints, routes and tracks (20,000 points each). Using waypoints you canbasically note down the home addresses of each species or sizes of fish that you havecaught on your fishing trips. Creating and saving various routes in your Humminbird fishfinder unit will allow you to create a more complete fishing itinerary for every weekend,every vacation, or for every time you go out on water.5. The Hummingbird Fish Finders in the 800, 900, and 1100 series, as well as some of theones in 700 and 500 series, like the Hummingbird Fish Finder 798ci HD SI Combo or theHummingbird Fish Finder 597ci HD DI Combo have full color monitors which permits anexcellent evaluation of whats underwater. Some of the Hummingbird Fish Finders haveEthernet or Interlink features, which allows you to connect them to other fish finding unitsto share routes, waypoints, sonar and many more.All in all, a Hummingbird Fish Finder is a super device to have on your boat. It will unlockmany new possibilities for any fisherman and almost every time youll sail out for afishing expedition, youll be able to locate at least a few big ones.Choosing A Fishfinder 5 aspects youneed knowThere are 5 aspects of a fish finder to keep in mind when making a purchase.1. The TransducerThere are 2 types of transducers: Single Frequency and Dual Frequency. Singlefrequency is generally best for lakes and shallow coastal fishing. Dual frequencytransducers are generally better for deep sea fishing. Dual beam (a Hummingbird term)and dual frequency are essentially the same thing. Dual beam transducers limit thebeam size for the high frequency beam so these fish finders are truly best for deep water. 4
    • 2. PowerIn general, the higher the power of your fish finder the better. A higher price usuallyaccompanies the higher power so you will have to weigh power with cost. Rememberthat even in shallow water such as lakes, higher power will still help with better imaging.Most expert fishermen recommend giving the most weight to the power rating of your unit.3. DepthA fish finder being able to reach greater depths is directly related to the Power and thequality of the transducer. In general, the more expensive models penetrate the waterbetter. Keep in mind while shopping that the depths shown in the product specificationsare for clear water. Salt water and murky water will limit the depths the sonar canpenetrate. As a general rule of thumb, consider purchasing a fish finder with a depthrange about 10% greater than what you intend to fish. Having a slightly greater depthrange should help adjust for less than clear water.4. Display SizeFish finder displays vary from four inches to seven inches (and some larger). Obviouslythe larger the screen, the higher the price. The advantage to a larger screen can beease in seeing the results in bright sunlight.5. Display ResolutionThe display resolution pertains to how clear the image is on the fish finder screen. Thehigher the resolution the better the image will be. Color screens are often better fordirect sunlight as they are easier to see. A higher resolution generally comes with ahigher price.Suggestions on Choosing a Fish FinderNow that we’ve covered the basics of how a fish finder works and what the key pieces offish finders are, let’s offer some suggestions on how to choose a fish finder that meetsyour needs.1. Most fishermen recommend doubling whatever you were planning to spend on your fishfinder.2. Next decide where are you planning to fish the most often- on a lake, along coastalareas or are you mostly a deep sea fisherman? Are you planning to use your fish finderon only one boat or do you want to be able to use it on a friend’s boat? Answering thesetwo questions will let you know if you want a fish finder that works best in shallow or deepwater and whether or not you want a fixed mount fish finder or a portable fish finder.3. For Fixed Mount fish finders, decide if you want a Transom Mount transducer or aThrough Hull transducer. Transom Mount transducer are generally easier to install andusually less expensive. You can purchase a transom mount transducer in single or dualfrequency models. They generally work best in water that is somewhat calmer and arenot terribly effective at much more than 10 knots.Through Hull transducers are the best for clarity and performance, but are harder to install 5
    • and cost more. A need for high speed bottom reading will make these a worthwhileinvestment.In general if you are going offshore or into deep fresh water, the hull transducer with dualfrequency is probably the best bet for accurate fish readings.If you are using a smaller boat and are not planning to do high speed fish finding then atransom mount or portable fish finder will save you some money and should meet yourneeds just fine.Know Fish Finder DisplayThere are two components to a fish finder display: Display Type and Display Resolution.Fish Finders have two main display types: Liquid Crystal Display (LCD) and Cathode RayTube (CRT). An LCD display generally have good contract in daylight, use a smallamount of current and tend to be compact. They are available in resolutions up to 320 x200 pixels, the smallest dot on the display screen. Note that the protective lens over thedisplay must not cause excessive reflections in direct sunlight or it may be difficult to readthe display.A CRT display is often compared to a television screen. CRTs are available in full colorand monochrome (grey scale) models. On color models the relative strength of thesonar echo back to the fish finder is displayed which allows the angler to differentiatebetween different objects easier. Some color displays are harder to see in direct sunlightthan others. Depending on the model you choose you may wish to consider a viewinghood or mounting the display unit in a shaded area.Display ResolutionThe key to the display resolution is the number of pixels which is the number of "dots" onthe screen. The rule of thumb is that the more pixels on the screen the more detail thatyou will see. Higher resolution models will allow you to see fish near the bottom,distinguish tightly grouped objects from one another and be able to see fish near baitballs.There are two important components to the resolution: the vertical pixel count and thetotal pixel count. The vertical pixel count is the number of pixels from the top to thebottom of the display. The higher number of vertical pixels the more accurately the fishfinder will show target depths.The total pixel count is the number of pixels per square inch of the display screen. Thehigher number of pixels the more detail you will see, the better the representation on thescreen will be and the better split screen images will be. Keep in mind that in order to 6
    • take advantage of very high resolutions your unit will also need a high contrast on thedisplay.Monochrome vs Color DisplaysMonochrome, or grey scale, displays show images in black and white or in shades of grey.The low priced fishfinders may have no grey scale at all or a 4 level grey scale. Thismeans that there will not be too much contrast on the display for different objects. Thehigher priced models may have up to a 12 level grey scale per pixel. This higher levelwill allow for more target contrast and definition.Color displays are generally more pricey. You will also pay more as you increase theresolution of the display. In general color displays actually have fewer pixels thanmonochrome fish finders, but each pixel will have up to 256 color choices. The differentcolors do make it easier to distinguish between different types of targets. Split-screen or Data Window Some fish finders will come with Split-screen displays or data windows. A split screenallows you to see different types of information simultaneously. You may have a dualtransducer fish finder and the split screen would allow the display to show images fromboth transducers at the same time. Another application of the split screen is to have adata window on one half of the screen. A data window can display digital informationsuch as speed, depth, water temperature or longitude/latitude. The other half of thescreen can display the usual graphics of what objects are in the water. Grayline?, White Line or Bottom Hardness Most fish finder displays will depict the bottom by using a thin line with a variable widthband beneath it. This section of the display allows you to see targets near the bottomand also indicates bottom hardness. An experience angler will often be able todifferentiate between mud, sand and rocky bottoms. This functionality has differentnames from brand to brand such as Grayline, White Line or just plain Bottom Hardness. Obviously without a reasonable display you will not be able to "see" the fish that thesonar is finding. Make sure you know what type of display your fish finder has whenpurchasing.How To Mount A Fish Finder 7
    • One of the most common jobs would be mounting marine electronics. Almost all boatshave a fish finder installed or will have one installed at some point in their service life. Fishfinders or other electronics like a GPS will come with the standard instructions formounting and its up to the individual to take care of it. The directions will usuallyemphasize mounting in the correct location and insuring all electrical connections aresound. Remember, as with anything electronic a fish finder or GPS is can be sensitive toelectrical noise and routing wires and such should take this into consideration.Now the actual installation, you are given screws to mount with and maybe a template.You have your drill ready and well, youre still hesitate to drill. I cant say that I blame youjust remember you have one shot at getting the location correct or youll be left with blankholes.Drilling fiberglass is not hard to do and good prep work will make a big difference. A fewwords of advice here always go slow. The fiberglass on a boat hull will have gel coat andyou can damage the finish if youre not careful. Also, it sometimes helps to place a pieceof masking tape over the area to be drilled. If the gel coat attempts to chip from the edgethe tape will act as a good barrier providing a clean edge. Always try to drill into the gelcoat first but if you have to you can drill from the fiberglass side just understand that a riskof chipping is increased by drilling that direction. If drilling from the back side, always tapethe finish to protect it.Now all the holes are drilled and you are ready to mount. Youve talked to a few people onwhat sealant to use but still are not sure. Based on my own experience most will use 3M5200 which would be a huge mistake. That product is designed for a below the waterlineapplication and extremely difficult to remove meaning it is intended to be permanent. Keepin mind it has strong adhesive properties and youd literally be gluing the bracket to yourboat. If you attempted to remove, you could possibly remove the finish causing a biggerproblem. A good alternative would be a bedding compound or another marine sealant.Never use straight silicone to avoid future problems. If you ever need to reseal or mountsomething else adhesion to existing silicone surfaces is virtually impossible. I alsounderstand that most boat owners will change out electronics over time so it is advisableto using something serviceable. Never use household caulking or other products eventhough they are cheaper. They will not survive for very long and are not designed formarine use.Now as you insert the screws coat the screws themselves and only apply a small spot ofsealant over the hole. It will not seal any better by using large amounts and will not lookgood either. The fiberglass should be the only surface to seal here so if you did not chipthe gel coat finish too much you should be good. Tighten only enough to serve thepurpose and allow sufficient time for the sealant to dry before using.The last item for a successful installation is the hardware. Dont cut corners here thinkingyou can purchase cheaper hardware for the job. All hardware must be a suitable grade to 8
    • withstand the environment. It is natural for boats to get wet so if using anything whichwater will damage it will surely fail. Stainless steel will be the best choice while brass isalso resistant but does not work as well. If necessary, purchase extra hardware to insureyour installation is done well.So now the job is completed and your new fish finder is installed correctly. All the holes aresealed and drilled as required and the hardware is sufficient for the installation. It doesntseem so scary and now a little more peace of mind to help you along. You can do it!Portable Fish Finder Or Fixed One"Do I need a portable fish finder or a fixed one?" - my friends often ask me. So, here isanother article in our series about fish finders. Now that youve decided to invest in a fishfinder, your next decision will involve whether to go with a fixed or a portable set up.This decision should be based on whether you always use the same boat whenever youfish. If so, then a fixed fishfinder is probably a good way to go. This means you can planahead and work out the best place to put up the display and position your transducer. Onthe downside, you do have to make sure that your unit is installed properly so you dontdevelop any leaks. You should also bear in mind that youll be leaving an expensive pieceof electronics on board for someone to jack so weigh your options carefully.On the other hand, if you dont always use the same boat, then portability is your mostimportant consideration. Remember, portability doesnt always translate to a less powerfulfishfinder. Then again, expect to pay a little more if you want the full capabilities of a fixedfish finder in a portable unit. Do a little canvassing and you should be able to choose theone thats right for you but wont break the bank.As always I wish you the best of luck in your next fishing session. Get the fish finder youlike and impress your friends with your results!How Fish Finders WorkFish finders operate under water to map contours, identify objects, including fish, andcreate a picture on the display of everything they find. These are not cameras so theresulting display is not like looking at a video or a photo of the underwater scene. Ratherthey identify objects using sonar technology and then interpret the scene using a graphicalrepresentation. Using sonar, (sound waves) they send signals out in the water. When the 9
    • signal hits an object it bounces back to the fish finder. Using specialized signal processingcomputations and by analyzing the return signal, this helpful piece of marine electronicscan give you a lot of information about encountered objects.Summary of "How to Fish With Plugs"Fishing Gear - Lure Basics ExplainedWe guarantee much better fishing results. Check out this new revolutionary invention andget ahead of your fishing friends. Buy the Award Winning Esca Lures online athttp://www.boatfishfinder.com/Primary ComponentsA fish finder is made up of two primary components, the display and the transducer. Thetransducer is the power source that sends a beam into the water, processes the returningsignal and sends it to the display screen. The transducer can be mounted directly on theoutside hull of the boat - called a transom mount, or through a hole in the hull of the boatlooking directly down into the water under the boat.Understanding the SpecsCone Angle refers to the size of the beam that spreads out under the water to providecoverage. Angles are represented in degrees and only objects in the cone angle can beidentified. A long narrow cone focuses down in deep waters whereas a wide short coneidentifies fish over a wider area in shallow waters. Beams can vary from about 60 degreesto 120 degrees. Multi-beam Fish Finders use more than one beam set at different anglesto cover the water at shallow and deeper depths at once.Frequency is the strength of the sonar signal measured in KHz. It works together with thecone angle to determine whether the beam will be focused on deep water or shallow water.Lower frequencies can penetrate the water more deeply than higher frequencies (50 KHzis low frequency whereas 192 or 200 KHz is high frequency).Display ScreensLook for high resolution, sunlight viewable displays so that it is easy to distinguish featuresin strong sunlight. Some fish finders have color displays while others have black and white.Remember these are not photos but rather representations so sometimes it is easier tosee contrast in black and white, though color can be used effectively to distinguishdifferent targets such as fish, rocks, etc.Integrated Fish FindersMost people want different marine electronics components for a variety of differentpurposes. It can be cost effective to buy a fish finder that is combined with a GPS or achart plotter. In addition to saving you money such integrated instrument has the addedbenefit of taking up less real estate on your boats dash.Buying a Fish Finder Transducer - What You Must Know 10
    • Buying a fish finder may be a daunting task with all the models that are available, butbuying a fish finder transducer is even more difficult, particularly because informationcomparing the key attributes of these devices is typically less prevalent across the boatingindustry.First, you should know that a fish finder transducer can come in both single and dualfrequency models. The most common operating frequencies are 50 kHz and 200 kHz.Models that use higher frequencies (e.g, 200 kHz) are more precise than lower frequencyunits, but will not have the same depth penetration as a lower frequency model. Thus, ifyou anticipate going boating or fishing in deep water, you will probably want to make surethat you buy a transducer that operates on a low frequency (either by itself, or as a dualmode with a higher frequency).Secondly, the cone of the fish finder transducer is important as it determines the areaunderneath of the boat that is covered. Obviously, the wider the cone, the larger the areathat is covered and the more data that can be streamed to your fish finder. Typically, thelower frequency models (which have better depth penetration but dont have as muchdetail as higher frequency models) also typically have wider cones than their higherfrequency counterparts.Lastly, you will need to decide on the way that the transducer is mounted to your boat.They typically are sold as either transom mount (mounted at the back of the boat) or athrough-the-hull mount (bonded to the inside of the hull). While a through-the-hull mountprotects the transducer from the elements and means it is less likely to be damaged,much more care is needed to install it correctly, and of course the effectiveness of thetransducer may be less considering it is now shooting its beam through the boat into thewater.Whatever choice you make when you decide to buy a fish finder transducer, it will surelyhelp you find those fish, making your boating experience much more enjoyable.Wireless Fish Finder - Enjoy the Recreational Fishing ActivityFish finders are the most essential accessory which brings bread and butter to everyfisherman. These wireless fish finders not only help them to discover the fishes in theDeep Ocean but also help them to check the deep topography and get familiar with themysteries of the water. This fishing accessory can help you to the market stores andflourish with these essential accessories for every fisherman! I am sure that you will stayalert when you are selecting these accessories.Here are some important aspects which must be kept in mind when you are investing yourbucks on the wireless fish finders. I am sure that you will be gratified by the important factswhich are mentioned in this article. 11
    • Functioning Of Wireless Fish FinderThis product can be easily fixed with the help of a transform mount or any hull. This is aportable device which can be easily transported from one place to another. This is themain benefit of this product as over the fixed fish finder. I am sure that you will love to huntfor the fishes and enjoy carrying this device all over the sea shore. Portability and easytransportation is the prime feature which tempts every fisherman.You can easily hunt the fishes with these devices. Irrespective of your location, you canhunt for these animals from boats, ships, piers, river banks cruises and even from tubefloats. The transducer of this device is fastened with a floating bob! Yes, you heard it right.The designers of wireless fish finders have fastened the transducer of this fishingaccessory with the floating bob. Apart from all this, this floating bob can help you to enjoythe fishing at one place. You do not need to move from place to place when you areenjoying this recreational activity.This essential fishing accessory can help you to enjoy every second of your fishing activity.This obliging trimming can help you to move your boat from one place to another and huntfor the fishes. The transducer of this wireless fishing accessory works like the normaltransducer. It sends the sonar waves and checks the presence of any living being. I amsure that you will enjoy the ease when you are utilizing this fishing accessory.Try to trace the online websites which can help you to get the tempting discount offers andavert you from extra expenditure. Hope that you will not regret after investing for thisdevice!How to Choose a Lowrance Fish FinderWhen shopping online for discount marine electronics, such as a Lowrance fish finder, ithelps a lot to understand a bit about the technology you are shopping for. Here is a quickexplanation of some of the terms you will encounter.Cone AngleFirst of all, fishfinders use sonar to probe the depths of the sea or lake bed and determinea picture of what lies beneath the water. When you shine a flashlight into the darkness, thelight fans out creating a cone that is narrow at the source and wider at the distant end.Electronics does the same thing. The Cone Angle refers to the spread of the beam at thedistant end, so a 90 degree beam offers more coverage than a 20 degree beam.Multi-beam systems, as the name implies, send out more than one sonar beam,cumulatively offering a much wider field of view. The Lowrance HDS-7 Fishfinder andGPS Chartplotter series offer a stunning 120 degree view with superior clarity andmagnificent detail. 12
    • FrequencyThe frequency of the sonar signal is measured in KHz. In general the lower the fishfinders frequency the deeper the signal can penetrate beneath the surface. For very deepwaters 50 KHz will give you deep penetration using a relatively narrow cone angle. Muchhigher frequencies tend to have wider cone angles and do not penetrate the water to thesame degree. Equipment operating at a frequency of 200 KHz is well suited to covering awide area in a shallow lake and can result in a more finely detailed picture of what liesbelow the surface. Frequency is usually adjustable and dual frequency options arecommon.Fish TargetsWhen the sonar beam encounters an object it returns a signal to the fish finder. Thesensitive electronics in the unit analyze the characteristics of the signals returned and areable to distinguish between marine life and other objects. Fish targets are typicallyrepresented as a fish symbol on your units screen.ThermoclinesA thermocline describes a layer of water that is at a different temperature from the watersaround it. Thermoclines form rapidly in response to changing conditions or they can be apermanent feature of a certain ocean area. Lowrance fish finders represent thermoclinesas lines on the display.TransducerThe transducer is the powerhouse of the fish finder. It controls the frequency of the sonarbeam and sends and receives the signals that are interpreted by the equipment intographical representations. Three important things to know about the transducer are how itmounts on the boat, what frequencies it supports and the cone angle it produces.Transducers commonly mount on the transom, or hull, out of the way of the motor.Transom-mounts are the most common and easiest to install. Some models with highfrequency capable transducers may need to be mounted through the hull, which can be acomplicated installation requiring a hole to be cut on the hull. The Lowrance HDS-7Fishfinder and GPS Chartplotter series and the Lowrance HDS-5X fishfinder series comewith your choice of 83/200 KHz or 50/200-KHz transducers.Display ScreenAll the detail in the world is not worth much if you cant see it! Many fish finders use LCDcolor displays. Generally the larger the number of pixels, the better the quality of thedisplay. Grayscale displays use shades of gray to distinguish between natural and artificialstructures, the lake bottom and the type or size of the fish. CRT displays come at a higher 13
    • price but offer higher resolutions and better display quality.Lowrance makes a full range of fishfinders, FF/GPS/Chartplotter combos and offers a fullrange of other marine electronics for boating professionals and enthusiasts.Humminbird SmartCast RF15 Fish FinderIf you havent already you need to check out the Humminbird SmartCast RF15 Fish Finder.This unit is a fabulous, wireless and portable fish finder. If you fish from a kayak, thisportable fish finder is for you. If you fish from a dock, this fishfinder is for you. And if youfish from a small boat this portable fishfinder is also for you.The Hummingbird SmartCast RF15 portable fishfinder is equipped with a revolutionarysensor/transducer called an Advanced Remote Sonar Sensor (RSS). The RSS unitdisplays fish up to 100 feet deep and allows for an ultra wide sonar coverage equal totwice the water depth so you can see and catch more fish.To use the Humminbird SmartCast RF15 portable fishfinder simply cast into the water asyou would any lure using a standard rod and reel. Then you can use the portable fishfinderto either profile the bottom and look for fish or to watch fish as they react to the attachedbait.The great features of this fishfinder dont stop there. The whole unit is waterproof, has upto a hundred foot wireless operating range and up to 500 hours of battery life. Thisportable fish finder is a great tool and sells at an unbelievable price.When utilizing a Humminbird portable fish finder with a Remote Sonar Sensor, use it tocheck out potentially productive fishing spots from a safe distance. By casting your RSS inthe area a few times to look for fish, you can avoid spooking the fish with the sounds andshadows of your boat. Once your Humminbird portable fishfinder identifies a good fishingspot then you can move in slowly for the catch!What to Look For in a Fish FinderOne of the hardest parts of putting together a fishing trip is figuring out what supplies youneed to bring along. And there are few decisions more difficult or complicated thanselecting a fish finder. If you understand what a fish finder is and what it does, then youllmake a better decision when youre ready to buy and maybe even save a few dollars aswell.A fish finder is a device that basically serves as a guide - it measures how deep the wateris in the area where youre fishing as well as how much ground there is beneath the water.It will also indicate where and what types of items are floating in the water. Its especiallyuseful for locating fish that you may not be able to see by showing you spots where the 14
    • fish are likely to be hiding.These devices use sonar, just like submarines, to measure the distance between yourboat and the bottom of the body of water. They are also able to measure the size of anyother objects that are in the water. The sonar will only work if you have a transducer onyour boat, which is usually installed at the bottom-most level for maximum performance.Once youve added the sonar and the transducer, youll need to set the speed; this will tellyou at what speed your boat should be moving in order to bring in the most fish.We guarantee much better fishing results. Check out this new revolutionary invention andget ahead of your fishing friends. Buy the Award Winning Esca Lures online athttp://www.innovativefishingtackle.co.uk/The in-built GPS system will guide you to the exact point where the fish have gathered.Just keep in mind that while GPS units are great, there are some things they can do andsome things they cant. Lets say youve found several objects that look to be aboutfish-sized - the GPS will tell you where they are, but cant tell you if its really fish orsomething else that youre following. Also, GPS does not provide information on depth ofobjects, which is why the sonar technology is so critical to a successful fishing expedition.Another great feature to look for in a fish finder is a device for reading water temperatures.Different fish like different water temperatures, and if you know which prefer warm to cooland vice versa, youll know which fish to look for on that day.Garmin 400C Dual Beam Fish Finder Features and TipsThe Garmin 400C Fish Finder is a great fish finder for freshwater fishing. It can also beused for salt water fishing, but an upgrade to a separate dual frequency transducer will benecessary. With its bright, high resolution, color display this Garmin FishFinder will helpyou to easily spot the fish even in bright sunlight. The display also has a backlight featurewhich allows for easy operation during your night fishing trips.The Garmin 400C FishFinder comes standard with a dual beam 80/200 kHz transducerthat allows for depth penetration of up to 900 feet. (Keep in mind that murky or cloudywater can diminish the exact depth the fish finder can reach.) This transducer is bestsuited for freshwater fishing due to its depth penetration.The dual beam transducer offers a 45 degree cone angle on the 80 kHz setting and a 14degree cone angle on the 200 kHz setting. This feature will allow you to see a wide area atmore shallow depths and will help you zone in on those hard to see fish at the deeperdepths.If saltwater fishing is in your future it is recommended to upgrade to a separate dualfrequency transducer. The dual frequency model will penetrate up to 1500 feet and has 15
    • cone angles of 45 degrees and 10 degrees depending on the setting. As with the dualbeam transducer you will see a wider area at more shallow depths, but with thistransducer you will be able to spot those hard to see fish up to depths approaching 1500feet.Whether you choose to catch fish in freshwater or saltwater this Garmin FishFinder can bea great tool for you.Remember that this model comes standard with a dual beam transducer, but that you canbuy a dual frequency transducer if desired.FishFinder TipsThere are a few things to keep in mind when cleaning your fish finders display. First, youshould make it a habit to gently clean the fish finder display after every fishing trip. Thisbest practice, along with the tips below, will keep it in good condition the longest.When cleaning the units casing (except the display screen) use a damp cloth and milddetergent solution. Then wipe dry. Do NOT use chemical cleaners or solvents as thesemay damage any plastic components. To clean the display screen use an eye glass lenscleaner and a dry cloth. The reason for using this type of cleaner is because fish finderdisplays generally have an anti-reflective coating. Cleaners containing ammonia,anti-grease detergents, alcohol or abrasives can damage this coating so use an eye glasscleaner that specifically states it is for use on anti-reflective surfaces.Most fish finders are also waterproof and withstand being submerged for short periods oftime. (Check your models owners manual to be sure.) Be aware though that submersionfor an extended period of time (generally over 30 minutes) may cause irreparable damageto the unit. If you fish finder is submerged, dry it with a clean cloth and then allow it to airdry completely before your next fishing trip.How to Choose a Fishfinder to Improve Your Fishing OddsModern sonar processing electronics combined with ultra sensitive sensors detect marinelife using sound wave emitters that bounce off objects to produce a digital map of what liesin the water. How does the fishfinder tell the fish from the rocks? If you fill several glassesof the same size with different amounts of water and then "ping" the glass with your thumband forefinger, the glasses make different sounds or tones, depending on the amount ofwater in them. This is similar to how a Lowrance fishfinder distinguishes different objects;the frequency of the signal created when the object is struck by the sonar wave can helpdetermine what kind of object it is. This is an evolving science. As we learn more, andimprove existing technologies, you can expect to see the accuracy of object detectionimprove over time. 16
    • A good fishfinder display, such as the Lowrance HDS-5X Fishfinder, will show you thecontours of the surface below the water (up to certain depths), and distinguish and markwith different symbols the fish and vegetation as well as any other objects, such as rocks,that are present in the water. Less sophisticated marine electronics simply indicate thatobjects are present and leave you to figure out the difference between a log and alargemouth bass.The Lowrance HDS-5X Fishfinder has a powerful transducer that you can set up to 200kHz and built-in Broadband Sounder technology. It gives you a 120 degree view under thewater on its bright wide-angle 5" screen. This model retails for $649. A more economicalfishfinder from Lowrance is the X67C Ice Machine. This lightweight, portable sonar deviceprobes depths down to 600 feet and comes with a carrying case and battery charger,making it perfect for ice fishing.It takes a little practice to use fishfinders. Even though sonar is very precise and candetect and process the presence of objects very quickly, you should also be aware thatsince the fish are constantly moving, and the boat is also moving or bobbing around, thepicture on your fishfinder display is in flux at any moment in time. If the fish stood perfectlystill and your boat stopped moving, the picture would be very accurate. As it is, you mustaccommodate slightly.Another consideration when viewing the fish in your fishfinder is that the signals from thetransducer spread out in a cone shape from beneath the boat. The cone is wider at thebottom and narrower at the top, close to the boat. That means marine life in deeper watersmight be further from the boat than fish in shallower waters even though the electronicdisplay makes them appear to be directly under the boat.Lowrance fishfinders give you the ability to set alarms when you find objects of a certainsize or waters of a certain depth (whether shallow or deep) or simply when your battery islow. Also, read the manufacturers information to see if your fishfinder is more suited toshallow or deep waters and whether it is designed to operate in fresh or saltwater.Is The Garmin 140 Fish Finder Good Value?Garmin 140 Fish finder and GPS Combo Review.Combining a gray scale liquid crystal display with Garmins unique fish finder engineering,the Garmin 140 fish finder and GPS combo offers the user the perfect solution wherelimited space is an issue for example;The standard duel beam wide and narrow scan transducer issued with the unit providesenhanced performance with the duel scan feature of the Garmin 140 fish finderparticularly useful when used in shallow water. Mounting the transducer is a cinch and canbe installed to a number of places including inside the hull, on the transom or even on a 17
    • trolling motor but care needs to be taken to ensure that it remains below water level whileplaning so that air bubbles dont adversely effect the information.Both wide and narrow beams are used by the duel beam transducer giving the unit moretractability and are governed by the width of transmitted sonar beam and by the depth ofwater in which its being used. The narrow beam can be of selected use while working indeep water and gives clear displays when at its maximum width For example, the narrowbeam would cover an field of around a seven feet circle at a water depth of about 30 feet.Optimum usage of the wide beam feature of the Garmin 140 is while fishing in shallowwater as it supplies the user images of what is around the boat particularly near to thesurface. While working in a thirty foot depth, a braod beam would cover an area of that ofan approximate 20 feet circle and also displays crisp precise images of objects in thewater more close to the surface.Offering the user very clear images of whats around and under the boat, the Garmin 140Fish Finder also displays images of the bottom.The display is enhanced by a back light for night-fishing and can be manually adjusted tosuit conditions or turned off completely to extend battery life.The Garmin 140 also provides the option to be able to save the settings after its shut downgiving the user the alternative of being able to find a favorite fishing spot again.The ultra scroll feature allows refreshing at lightening speed providing accurate up toup-to-date data. Setting the gain to automatic or manual alteration is anothercharacteristic allowing users to control the clarity of images displayed.Other Garmin Fish Finder 140 features include:* Range change Auto rescaling* Improved See Through Technology allowing weak and strong digital signals.The white line feature allows the user to check on the depth of the bottom underneath theboat.* 4X and 2X Manual and Auto zoom providing individual user mastery.* Featured alarms for shallow and deep water, fish and fish size alarm,A further feature of the Garmin 140 Fishfinder is the low battery level blinker.The complete package has all you need to successfully attach and use the Garmin 140 18
    • fish finder GPS combo and comes with a precise and comprehensive user friendly ownersmanual containing how to install and use the unit to its maximum potential.How to Choose The Perfect FishfinderGPS Combo DeviceTodays consumer electronics world is full of unrealized marketing-world promises,causing it to be very challenging to decide for specific items; the same holds true whenshopping for the "perfect" GPS fish-finder for ones fishing and navigating needs. Just likealmost all of the consumer electronics products available today in the market, theres anexpectation that the product will do precisely what its features and functions say it will.However, there are numerous factors you should know and consider before buying aGPS-fishfinder to be sure that you will have the right piece of equipment for your specificneeds.One important thing you need to keep in mind is the kind of ship that youre going to utilizethe unit with. This is with regards to two reasons: firstly, where you will you attach thedisplay of the device, and second where you plan on placing the actual measuring sensorwhich is sending out the impulses into the water.The placement really should be nearby the helm as the display position is important forGPS navigation. Thus, the item really should be positioned in an open area. This meansthat the radio-transmission provided by satellites must be able to reach the GPS unit. Ifthe particular piece of equipment youre looking at features an internal GPS - antenna,then the display has to be positioned in line of sight to the sky.The majority of boats which feature cabins made from real wood permit smooth receptionof GPS transmissions. However, boat cabins made from abs plastic/fiberglass as well asmetal reflect the actual transmission and need a fish-finder having an outside GPStracking device antenna. Additionally, it is vital that you evaluate the devices displayscreen.Larger sized and higher resolution monitors offer you more details and are quicker tounderstand, especially on a fast moving and rather bouncy ship.The position of the measuring sensor will be another essential consideration. It has to beplaced adequately to ensure that it can send the signals straight to the water. This meansthat the transducer must be installed in the water having its lower portion parallel with thewaters surface. 19
    • Almost all of todays GPS fishfinder combos feature a transom-fit sensor which is best forall kinds of power boats. However, this kind of sensor is not really acceptable for sailboatsand vessels with lots of equipment installed on the rudder.Transducers additionally are made out of a variety of materials such as bronze andplastic-type materials; each device does have its advantages and disadvantages.Cartography is yet another essential aspect to think about prior to purchasing a specificfishfinder unit. It is advisable to pick a device that utilizes your favorite digital cartography.Many of todays fish-finder units come with complete, pre-loaded cartography data.However, some people actually think its easier as well as less expensive to startcompletely from scratch and choose the device they really want for their particularchart-cards.GPS fish-finders furthermore define what kind of soundwave (sonar beam) you shouldemploy in your vessel. Some GPS device- fishfinders feature both narrow as well aswide-focused sonar beams, while others feature as much as 4 different kinds of sonarbeams to get the most area coverage sideways, the backside and also in front of the ship.Another factor to consider is the transducer strength. An increased-electrical powertransducer gives you details on the screen even at maximal depth.Learn more about the latest fishfinder technology including the top models from Garmin,the Garmin 441s and the Garmin 541s here.How To Use Fish Finder ReviewsTodays consumer electronics world is full of unrealized marketing-world promises,causing it to be very challenging to decide for specific items; the same holds true whenshopping for the "perfect" GPS fish-finder for ones fishing and navigating needs. Just likealmost all of the consumer electronics products available today in the market, theres anexpectation that the product will do precisely what its features and functions say it will.However, there are numerous factors you should know and consider before buying aGPS-fishfinder to be sure that you will have the right piece of equipment for your specificneeds.One important thing you need to keep in mind is the kind of ship that youre going to utilizethe unit with. This is with regards to two reasons: firstly, where you will you attach thedisplay of the device, and second where you plan on placing the actual measuring sensorwhich is sending out the impulses into the water. 20
    • The placement really should be nearby the helm as the display position is important forGPS navigation. Thus, the item really should be positioned in an open area. This meansthat the radio-transmission provided by satellites must be able to reach the GPS unit. Ifthe particular piece of equipment youre looking at features an internal GPS - antenna,then the display has to be positioned in line of sight to the sky.The majority of boats which feature cabins made from real wood permit smooth receptionof GPS transmissions. However, boat cabins made from abs plastic/fiberglass as well asmetal reflect the actual transmission and need a fish-finder having an outside GPStracking device antenna. Additionally, it is vital that you evaluate the devices displayscreen.Larger sized and higher resolution monitors offer you more details and are quicker tounderstand, especially on a fast moving and rather bouncy ship.The position of the measuring sensor will be another essential consideration. It has to beplaced adequately to ensure that it can send the signals straight to the water. This meansthat the transducer must be installed in the water having its lower portion parallel with thewaters surface.Almost all of todays GPS fishfinder combos feature a transom-fit sensor which is best forall kinds of power boats. However, this kind of sensor is not really acceptable for sailboatsand vessels with lots of equipment installed on the rudder.Transducers additionally are made out of a variety of materials such as bronze andplastic-type materials; each device does have its advantages and disadvantages.Cartography is yet another essential aspect to think about prior to purchasing a specificfishfinder unit. It is advisable to pick a device that utilizes your favorite digital cartography.Many of todays fish-finder units come with complete, pre-loaded cartography data.However, some people actually think its easier as well as less expensive to startcompletely from scratch and choose the device they really want for their particularchart-cards.GPS fish-finders furthermore define what kind of soundwave (sonar beam) you shouldemploy in your vessel. Some GPS device- fishfinders feature both narrow as well aswide-focused sonar beams, while others feature as much as 4 different kinds of sonarbeams to get the most area coverage sideways, the backside and also in front of the ship.Another factor to consider is the transducer strength. An increased-electrical powertransducer gives you details on the screen even at maximal depth.Learn more about the latest fishfinder technology including the top models from Garmin,the Garmin 441s and the Garmin 541s here. 21