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TM

Magna III

Magna III

Magna III

Magna III

Magna III

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and

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Magna III Plus

Magna III Plus

Magna III Plus

Magna III Plus

Magna III Plus

INSTALLATION AND OPERATION

INSTRUCTIONS

Summary of Contents for III

Page 1: ...1 TM Magna III Magna III Magna III Magna III Magna III and and and and and Magna III Plus Magna III Plus Magna III Plus Magna III Plus Magna III Plus INSTALLATION AND OPERATION INSTRUCTIONS ...

Page 2: ...5 FISH TRACK 16 CHART SPEED 16 DISPLAY MODE 17 ALARMS 20 BACK LIGHT 21 FEET METER 21 DISPLAY CONTRAST 21 ASP Advanced Signal Processing 22 SIMULATOR 22 TRANSDUCER CONE ANGLES 23 SURVEYING A LAKE 24 FISH ARCHES 24 WATER TEMPERATURE AND THERMOCLINES 25 TROUBLESHOOTING 27 WARRANTY 31 UPS RETURN SERVICE U S A ONLY 32 MISSING PARTS INFORMATION 34 HOW TO OBTAIN SERVICE INTERNATIONAL ONLY 35 Copyright 19...

Page 3: ...s the menu key The Magna series has powerful features available through easy to use menus To get started with your Eagle unit first read the installation section This is where it all begins Improper installation can cause problems down the road After you ve read the instructions install the unit then read the rest ofthemanual Themoreyouknowaboutyourunit thebetteritwillperform for you Take this man...

Page 4: ...ind the unit to attach the power and transducer cables Drill a hole in the dash for the power and transducer cables The best locationforthisholeisimmediatelyunderthegimbalbracket Thisway the bracket covers the hole The smallest hole the Magna IIII s power and transducer cable connectors can pass through is 3 4 However you can t pass a power or transducer connector and another cable through a 5 8 h...

Page 5: ...ch the in line fuse holder supplied with the Magna III to the battery or power source This will protect both the unit and the power cable in the event of a short Use only a 3 amp fuse You can also attach the power cable to an accessory or power buss however you may have problems with electrical interference These units have reverse polarity protection No damage will occur if the power wires are re...

Page 6: ...certain the chosen location is in the water even at high speed or when the boat is on plane Once you determine the proper location place the sensor on the transom Make certain the sensor s bottom is flush with the bottom of the hull Mark the transom in four places two in each slot Drill a 5 32 mounting hole at each location Mount the sensor to the hull with four 10 stainless steel screws Use a goo...

Page 7: ...BATTERY After installing the batteries close the case and plug the power cable on the battery case into the Magna III Portable Plug the adapter cable into the back of the sonar unit Turn the sonar unit on If it doesn t work make certain the battery terminals are making good contact against the battery contacts Also check the wiring connections on the D cell battery adapter The red wire on the powe...

Page 8: ...the transducer if it comes off the boat check the battery voltage Most of the complaints we receive about portable units result from stale batteries Make certain the ones you buy are fresh Always remove batteries from the battery compartment before storing the unit as dead batteries can leak and corrode the contacts In cold weather the efficiency of dry cell batteries drops with the tempera ture W...

Page 9: ...led on any outboard or stern drive inboard outboard powered boat It can also be permanently installed inside the boat to shoot through the hull on some fiberglass boats The kick up mounting bracket helps prevent damage if the transducer strikes an object while the boat is moving If the transducer does kick up the bracket can easily be pushed back in place without tools Read the enclosed transducer...

Page 10: ...creen Now press the up arrow key The chart freezes and the word STOP appears at the top of the screen To start the chart press the up arrow key again DISPLAY General The lights flash for about ten seconds when the Magna III is turned on Three menus appear one after the other The menus are the lights LAMP feet meter selection FEET METER and contrast adjustment DARK LIGHT To turn the lights on press...

Page 11: ...shown on the previous page the lamp menu is showing AUTOMATIC When the Magna III is first turned on the automatic feature is enabled This feature automatically adjusts the unit s range and sensitivity according to water conditions It always keeps the bottom depth displayed in the lower portion of the screen To turn the automatic feature off press the menu key until the AUTO MAN menu ap pears Now p...

Page 12: ...tail atthesametimeenlargingall echoes that appear on the screen The unit doesn t track the bottom in the manual mode and the adjustments are slightly different Zoom Automatic Operation To zoom the display first press the MENU key until the RANGE ZOOM menu appears as shown at right Now press the down arrow key This switches the unit into the zoom mode A new menu immediately appears as shown below T...

Page 13: ... 60 120 240 and 480 feet and 5 10 20 30 50 100 and 150 meters Zoom Manual Operation TooperatethezoomfeaturewhentheMagnaIIIisinthemanualmode first pressthemenukey ThenpressthedownarrowkeyintheRANGE ZOOM menu to place the Magna in the zoom mode The zoom size menu automatically appears next You can change the zoom size by pressing the up or down arrows After you select the desired zoom size press the...

Page 14: ... is in automatic the menu shows AUTO SENS Otherwise the menu shows MAN SENS Now press the up arrow key to increase the sensitivity the down arrow to decrease it The percentage of sensitivity in use shows in this menu Echoes scrolling onto the screen will also show the effects of the sensitivity change If you reach the maxi mum or minimum sensitivity level a tone sounds alerting you to the limits A...

Page 15: ...nces remaining targets are fish The Fish ID feature displays symbols on the screen in place of the actual fish echoes There are four symbol sizes tiny small medium andlarge Theseshowtherelativesizebetweentargets Inother words it displays a small fish symbol when it thinks a target is a small fish a medium fish symbol on a larger target etc The microcomputer is sophisticated but it can be fooled It...

Page 16: ...HART SPEED The rate echoes scroll across the screen is called the chart speed It s adjustable by pressing the menu key until the chart speed menu appears Chart speed is set to maximum when the Magna III is first turned on To decrease it press the down arrow key Press the up arrow key to increase the speed again The percent numbers in the Chart Speed menu box shows the speed Echoes scrolling onto t...

Page 17: ...ed on It has the following features 1 Automatic On 2 Fish ID Feature On 3 Digital Depth Display On CHT 2 Chart 2 This is the High Speed Scroll mode It shifts the chart speed into high gear scrolling ech oes at a high rate It has the following fea tures 1 Automatic Off 2 Fish ID Feature Off 3 Digital Depth Display Off DIG 1 Digital 1 This is the digital only screen It shows the digital depth displa...

Page 18: ... used when the Ma gna III Plus is first turned on It has the following features 1 Automatic On 2 Fish ID Feature On 3 Digital Depth Display On CHT 2 Chart 2 Same as Chart 1 plus digital surface water temperature display CHT 3 Chart 3 Same as Chart 1 plus digital speed display ...

Page 19: ...he Magna III Plus is turned off the log is reset to zero DIG 1 Digital 1 This is the first digital only screen It shows the digital depth display at the top of the screen in very large numbers The shallow and deep alarm settings are displayed be neath the digital depth No chart shows on this screen CHT 4 Chart 4 ThisistheHighSpeedScrollmode Ithasthe following features 1 Automatic Off 2 Fish ID Fea...

Page 20: ...es deeper than it s setting Both alarms adjust the same although through different menus Shallow Alarm To set the shallow alarm press the menu key repeatedly until the SHAL ALARM menu appears Press the down arrow key to in crease the shallow alarm s depth setting the up arrow key decreases it The number in the shallow alarm s menu box shows the current shallow alarm setting When the number reaches...

Page 21: ...ius speed in statute miles perhourorknots anddistance log instatute miles or nautical miles When either unit is in the metric mode all depth readings ranges zooms and alarm settings are in meters When a unit is in the feet mode all of the above settings are in feet To change from feet to meters or vice versa press the menu key until the FEET METER menu appears Press the down arrow key to switchtom...

Page 22: ...his feature is especially useful since it typically lets you operate the boat at all speeds without adjusting the sen sitivity or other controls When the Magna III or Magna III Plus is first turned on ASP is enabled ToturnASPoff pressthemenukey repeatedlyuntiltheASPmenuappears Now press the up arrow to turn it on or the down arrow to turn it off The menu will clear automatically after a few second...

Page 23: ... 20 degree cone covers an area about six feet across The 8 degree transducer covers only about a two foot circle The 20 degree transducer is almost always the best to use in fresh water the 8 degree mostly in salt water In a deep water environment 300 feet fresh water 100 feet salt water the narrow cone angle is more desirable Since the sound energy is concentrated in a smaller area it can penetra...

Page 24: ...exactly the right spot This is essential when you re far from shore on a big lake Unless you mark the school of fish when you re over it you may not be able to find it again FISH ARCHES Fish arches are created when the cone of sound passes over a fish The distance to a fish when the cone first strikes it is shown as A on the next page When the center of the cone strikes the fish the distance is sh...

Page 25: ... getting too much noise on the screen In medium to deep water this method should work to display fish arches If you see fish signals when the unit is in the manual mode but don t get fish symbols when the Fish I D feature is on try increasing the sensitivity s level WATER TEMPERATURE AND THERMOCLINES Water temperature has an important if not controlling influence upon the activities of all fish Fi...

Page 26: ...e they are the most comfortable here The temperature of water in the lake is seldom constant from top to bottom Layers of different temperatures form and the junction of a warm and cool layer of water is called a thermocline The depth and thickness of the thermocline can vary with the season or time of day In deep lakes there may be two or more at different depths Thermoclines are important to fis...

Page 27: ... Clean the face of the transducer Oil dirt and fuel can cause a film to form on the transducer reducing its effectiveness If the transducer is mounted inside the hull be sureitisshootingthroughonly one layer of fiberglassand thatit issecurely bonded to the hull Do NOT use RTV silicone rubber adhesive or MarinetexTM 2 Electrical noise from the boat s motor can interfere with the sonar This causes t...

Page 28: ...avitation 2 Electrical noise from the boat s motor can interfere with the sonar This causes the sonar to automatically increase its Discrimination or noise rejection feature This can cause the unit to eliminate weaker signals such as fish or even structure from the display Try using resistor spark plugs or routing the sonar unit s power and transducer cables away from other electrical wiring on th...

Page 29: ...display noted then turned off If you find noise interference from an electrical instrument trolling motor pump orradio trytoisolatetheproblem Youcanusuallyreroutethesonar unit s power cable and transducer cable away from the wiring that is causing the interference VHF radio antenna cables radiate noise when transmitting so be certain to keep the sonar s wires away from it You may need to route the...

Page 30: ...l cases the cause of the malfunction will be the location and or angle of the transducer The face of the transducer must be placed in a location that has a smooth flow of water at all boat speeds Read your transducer owner s manual for the best mounting position ...

Page 31: ...d for the product THIS REPAIR REPLACEMENT OR REFUND AS JUST DESCRIBED IS THE EXCLUSIVE REMEDY AVAILABLE TO YOU AGAINST US FOR ANY DEFECT MALFUNCTION OR NON CONFORMITY CONCERN ING THE PRODUCT OR FOR ANY LOSS OR DAMAGE RESULTING FROM ANY OTHER CAUSE WHATSOEVER WE WILL NOT UNDER ANY CIRCUMSTANCES BE LIABLE TO ANYONE FOR ANY SPECIAL CONSEQUENTIAL INCIDENTAL OR OTHER INDI RECT DAMAGE OF ANY KIND Some s...

Page 32: ...rite a brief note detailing the problem you re having with the unit Please include your name address and daytime telephone number 4 Please include payment for non warranty repairs Check money order Visa or MasterCard may be used 5 Fill in your name address zip code date and RA number in the blanks provided on the UPS form included with your unit 6 Attach the label to the shipping box tear off the ...

Page 33: ...icies regulations and special offers at any time We reserve the right to do so without notice Accessory Ordering Information To order accessories such as power cables or transducers please contact 1 Your local marine dealer Most quality dealers that handle marine electronic equipment should be able to assist you with these items Consult your local telephone directory for listings 2 LEI Extras Inc ...

Page 34: ...items please call our special toll free number 1 800 324 1353 A RECORDED MESSAGE will request the following information Please have it ready before you call 1 Your name shipping address and telephone number 2 The part that s missing 3 The model serial number and DATE AND PLACE OF PURCHASE OF YOUR UNIT 4 The best time of day to call you if we have questions Provided that all of the requested inform...

Page 35: ...x 416 629 3118 WARRANTY REPAIR WILL BE HONORED ONLY IN THE COUNTRY UNIT WAS PURCHASED Please follow the shipping instructions shown below on this page if you have to mail your unit to the dealer For proper testing repair and service send a brief note with the product describing the problem Be sure to include your name return shipping address and a daytime telephone number How to Obtain Service Int...

Page 36: ...e also gives you free UPS shipping from anywhere in the continental United States both to and from the factory for all warranty repairs You can alsousetheenclosedUPSshippinglabelfornon warrantyshipments See inside for more information Remember non warranty repairs are subject to Eagle s published flat rate charges and 180 day warranty A 3 working day turnaround time at the factory repair center is...

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