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Eagle Magna II

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soluod 10:00am on Wednesday, October 27th, 2010 
Still abit laggy due to WM, but it is the best of all. Hope the market place will have more app choices. Huge screen for web browsing, wifi router.
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I have long been yearing for this HTC HD2, but my parent dont allow... This is the most power packed smartphone you can find currently. Big screen, good multitouch, extremely responsive Poor battery life, no more wm 7
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No problems setting up e-mail accounts and syncing with MS office. I had Android phones (AT&T captivate) and mobile 7 phones (samsung focus).
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This charger was as described on the Overstock site and was received promptly. If you lookin for cheap caese then this is a good purchase if it under 10 dollar, itz better cases out there. itz slippery, hard and fragile.
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Good for a Windows phone but... The HTC Touch HD2 is a great phone the problem is with Windows mobile. HTC HD2 The phone is everything I expected, excellant display and good operating software. No regrets buying this inovative phone.

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Documents

doc0

Magna II and Magna II Plus
INSTALLATION AND OPERATION INSTRUCTIONS

LITHO IN U.S.A.

988-0106-56
PDF compression, OCR, web-optimization with CVISION's PdfCompressor
INTRODUCTION INSTALLATION POWER CONNECTIONS SPEEDTrEMPERATURE SENSOR KEYBOARD BASICS DISPLAY MENUS OPERATION AUTOMATIC RANGE ZOOM- Automatic Operation ZOOM- Manuai Operation

SENSmVITY GRAYLINE

FISH ID CHARTSPEED DISPLAY MODE ALARMS FISHALARM DEPTHALARM LAMP FEET/METER DISPLAY CONTRAST ASP (Advanced Signal Processing) SIDESCAN SIDESCAN RANGE
TABLE OF CONTENTS Copyright 1991, 1990 Eagle Electronics All rights reserved.

SIDESCAN-ALARM

MENU SUMMARY TRANSDUCERS AND CONE ANGLES SIGNALINTERPRETATION FISHARCHES WATER TEMPERATURE ANDTHERMOCUNES SURVEYINGALAKE

BAITFISH

SONAR TROUBLESHOOTING
All featuresand specifications subjectto Changewithout notice. All screens in this manual are simulated.
4. Theboat must be moving ataslowtrollingspeedto seefisharches. lithe boat
is motionless, fish stay In the cone,showingon the displayas straighthorizontal

lines.

INTRODUCTION
ELECTRICAL NOISE Amajorcauseofsonarproblems iselectricalnoise. This usually appearsonthe sonar's display as randompatterns of dots or lines. In severe cases, it can coverthe screen withblack dots, orcause the unit operateerraticly, completely or not at all. the To eliminate or minimize the effects of electrical noise, first tryto determine cause. Withtheboat at rest in the water,thefirstthing you shoulddo is turn all electrical equipmenton the boat off. Make certain the engine is off, also. Turn yourMagnaon, then turn off ASP(AdvancedSignal Processing). There should be a steadybottom signal on the display. Now turn on each piece of electrical Forexample, equipment onthe boat and view theeffect on the sonar'sdisplay. noise. If no noise is present, turn on thebilgepump andviewthesonardisplayfor turn the pumpoff,then turn onthe VHFradioand transmit. Keepdoingthis until all electrical equipment has been turned on, their effect on the sonar display noted, then turned off.
Thankyouforpurchasing an Eaglesonar. Your MagnaII or MagnaII Plus is a highquality sonar designed forboth professional and novice fishermen. These unitshave an automatic feature that finds and displaysthe bottom, fish, structure, and more! All you haveto do is pressthe on key. However, if youwish to fine tune the unit, allyou haveto do is press the menu key. The Magna series has powerful features available through

easy-to-use menus.

To getstartedwith your Eagle unit,first readtheinstallationsection. This is whereit all begins. Improperinstallation cancause problems downthe road. Afteryou'vereadtheinstructions, installtheunit,then readtherest of the manual. The more you know about your unit, the better it will performfor you. Take this manual for referencewhen you head for the

water.

INSTALLATION is MounttheMagna IIin anyconvenient location, providedthere clearance whenit'stiltedforthe bestviewingangle. Holesinthebracket's baseallow wood screwor through bolt mounting. It may be necessary to place a piece of plywood on the back side of thin panelsto reinforce the panel. Makecertain thereis enoughroom behind theunitto attachthepowerand

transducer cables.

Ifyou find noiseinterference from an electricalinstrument, trolling motor,pump, or radio, try to isolate the problem. You can usually re-route the sonar unit's
certainto keepthe sonar'swires awayfrom it. Youmayneedto routethe sonar unit'spowercable directlytothe batteryto Isolate itfromotherwiringontheboat. that Is causing the power cable and transducercable away from the wiring cablesradiatenoisewhentransmitting, so be interference. VHFradio antenna
If no noise displays on the sonar unit from electrical equipment, then make certain everything except the sonar unit is turned off, then stall the engine. Increase the RPMwiththe gearshiftin neutral. If noise appears on the display, the problem couldbe one of threethings;spark plugs, alternator, ortachometer liters, orrouting thesonarunit's wiring. Try using resistorsparkplugs, alternatorf cable awayfromenginewiring. Again,routingthe powercabledirectlyto power the batteryhelps eliminatenoiseproblems. Makecertain to usethe in-line fuse the battery. supplied withthe unit whenwiringthe power cableto

When no noise appears on the sonar unit after all ofthe above tests, then the noise source is probably cavitation. Many novices or persons with limited in shallow experience make hasty sonar installations which function perfectly In nearlyallcases, thecause ofthemalfunction water, orwhentheboat is atrest. will be the location and/orangle of the transducer. The face of the transducer must be placedin a location that has a smoothflowof water at all boat speeds. Readyourtransducerowners manualforthe best mounting position.
Drill a hole in the dash for the power and transducercables. The best locationfor this hole is immediately underthegimbal bracket. This way, the bracket covers the hole. The smallest hole both the power and transducer cables canpassthrough isone inch. However, you can'tpass a poweror transducer connectorand another cablethrough a one inch
throughthehole from underthedash. Thendropthepowercabledown fromthefrontside ofthedash. Slidethebracket overthehole,then route the transducerand power cables out the slots in the bracket. Finally, fastenthe bracketto thedash. POWER CONNECTIONS The Magna II worksfrom a 12 volt DC system only. Forthebestresults, wnthe powercable directlyto the boat'sbattery. Keep thepowercable awayfromother boat wiring, especially theengine's wires. This will give the best isolation from electrical noise. If thesuppliedcable is not long enoughtoreachthebattery, splice #18 gaugeinsulated wire to it. You can attach thepowercableto an accessory powerbuss, however, you may or have problems with electrical interference. See page 28 for more
information on electrical noise.
hole. Therefore,afterdrilling the hole, passthe transducer connector up
Weak bottomecho, digital readings erratic,or no fish signals (cont.):
2. Electrical noisefromtheboat'smotorcaninterfere withthesonar. Thiscauses the sonarto automatically increase its Discrimination or noise rejection feature. Thiscancausethe unit toeliminate suchasfishoreven structure weakersignals

from the display.

3. The water maybe deeperthan the sonar's ability to findthe bottom. If the sonarcan'tfindthe bottomsignalwhileit's in the automatic mode, the digitalwill flashcontinuously. It may changethe range to limits fargreaterthan the water you are in. Ifthis happens,placethe unit in the manualmode, then changethe one, (forexample, 0-100 feet) and increase thesensitivity.As range to a realistic you move into shallowerwater, a bottom signalshould appear.

4. Checkthe batteryvoltage. Ifthe voltage drops,the unit'stransmitter power also drops, reducing its ability to find the bottom or targets. Bottom echo disappears at highspeeds or erratic digitalreading or weak bottom echo whileboat Is moving 1. The transducermay be in turbulentwater, It must be mounted in a smooth flow ofwater in orderforthe sonarto workat all boatspeeds. Airbubblesin the water disruptthe sonar signals, interfering with its abilityto find the bottom or othertargets. The technicalterm forthis is 'Cavitation'.

MAGNA II

2. Electrical noisefromtheboat'smotorcaninterfere withthesonar. Thiscauses the sonarto automatically increaseits Discrimination or noise re]ection feature. Thiscan cause the unit to eliminate weakersignals suchasfish oreven structure fromthe display. Try using resistorsparkplugsor routing thesonarunitspower
and transducercablesaway from other electrical wiring on the boat. No fish arches when the Fish ID feature Is off: 1. Makecertain transduceris pointingstraightdown. This is the most common problemif a partialarch is displayed. Seethe FishArch sectionin your owners manual formore information. 2. The sensitivitymay not be highenough. In orderforthe unit to displaya fish arch, it has to be ableto receive the fish's echo from the time it enters the cone until it leaves. ftthe sensitivityis nothighenough,the unitdisplaysthefish only when it is in the center of the cone. 3. Usethe Zoom feature, It is much easierto displayfish arches whenzoomed in on asmall range ofwaterthan a largeone. Forexample, you will have much betterluckseeingfish arches witha30 to 60foot range thana 0to 60foot range. Thisenlarges the targets, allowingthe displayto show much more detail.

12 VOLT BATrERY

MACNA II PLUS
IMPORTANT SERVICE INFORMATION!
If yourunit is notworking,or if you need technical help, pleaseusethe following troubleshooting section before contactinga service centeror the factory customerservice department. Itmaysaveyouthetroubleofreturning yourunit. See

the HowTo Obtain Service section on page 29 if you needservice. SONAR TROUBLESHOOTING
Theseunitshavereversepolarity protection. No damagewill occurif the powerwires are reversed. However, theunitwill not work until the wires are aftached correctly.
SPEED/TEMPERATURE SENSOR INSTALLATION-
Magna II Plus Only Mountthespeed/temp sensor on the boat's transomin a location where the flow of water is the smoothest. There should be a minimum of turbulenceand air bubblesin the chosen location. The port (left)side of thetransomis preferred, however, thestarboard (right) side can be used ifnecessary. Do notmountthe speed sensorbehindstrakes, ribs, orthruhull fittings. Thesewill disturb the flow of waterto the speed sensor. In a typical installation, the speed sensor is mounted six to twelve inches fromthecenterline ofthehull. The sensormustalwaysbe in thewaterto function properly. Makecertain the chosen locationis in the water even at high speed or whenthe boat is on plane. Onceyoudeterminetheproper location, placethesensoronthetransom. Makecertain thesensor's bottom is flushwith the bottomofthehull. Mark the transomin four places, two in each slot. Drill a 5/32" mounting hole at eachlocation. Mount thesensortothe huH withfour#10 stainless steel screws. Use a good grade of caulking compoundto seal the screws. Adjustthesensorso it is flush with the bottom of the hull and tightenthe

screws.

Unitwon't turnon:
1. Checkthe powercable'sconnection at the unit. Also checkthe wiring. 2. Make certain the power cableis wired properly. The red wire connects to the positive batteryterminal, blackto negativeor ground. 3. Check the fuse. 4. Measure thebatteryvoltageatthe unit'spowerconnector.Itshouldbe atleast 11 volts. ifit isn't, the wiring tothe unit isdefective,thebatteryterminals orwiring on the terminals are corroded,or the battery needs charging.
Unit freezes, locks up, or operates erratically:
cablesaway interfering withthesonarunit. Re-routing the powerandtransducer from other electrical wiringon the boat may help. Route the sonarunit's power cabledirectlytothe battery insteadof througha fuse blockor ignition switch 2. Inspect the transducercablefor breaks,cuts,or pinchedwires. 3. Check both the transducerand power connectors. Make certain both are securelyplugged in to the unit. Weak bottomecho, digitalreadingserratic, or no fish sIgnals: 1. Make certain transducer is pointingstraightdown. Clean the lace of the transducer. Oil, dirt, andfuelcancauseafilmtoformonthetransducer, reducing its effectiveness. If the transducer Is mounted inside the hull, be sure it is shooting through only one layer of fiberglass andthat it issecurelybondedtothe hull. Do NOT use RN silicone rubberadhesive or Marinetexm. 26

1. Electrical noisefromthe boat's motor, trolling motor, oran accessorymaybe
If the base of the transomhasa radius, fill thegap between thetransom
and the sensorwith caulking compound. This will help insure a smooth waterflow.
on Route the sensor cabletothe in-line connector theMagnaPlus' power cable. The speed/temp sensoris now ready for use.
KEYBOARDBASICS The unit sounds a tone when you press anykey. Thistells youthe unit has accepted a command.

ON/CLEAR

SURVEYING A LAKE
Use this keyto turn the unit on. It also clears menu selections and the menus from the screen.
The most successful anglers on any body of waterare those who fish it day after day and year after year. Eventually, they learn the hot spots that produce fish consistently. They discoverthrough experience where, and at what depth, they can expect to find the fish they want at any season. And they realizethat these productive areas change throughout theyear depending on waterlevel, temperature, food, and otherfactors. With the Magna II, anyonecan eliminateguesswork and concentrate on theareas wherefish are likelyto be. Even if it's thefirsttimeon thelakel The most efficientway to becomeacquainted with a bodyof water is to surveyit with your MagnaIl. Start with a map of the lake, if possible, and indicatethe promising spots in relation to landmarks on shore. As you go about your survey, your Magna II will tell you the depth and type of bottom. It will also reveal suspended fish. Keep a few marker buoys in the boat, ready to toss overboard. When the Magna II indicates a school of fish, throw the buoy out. With the school thus marked, you can make your turn and come back to fish in 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 ableto find it again. BAIT FISH The importance of bait fish to successfulfishing can't be over-emphasized. They are the principlefood of all game fish in most waters. Bait fish are the plankton feeding forage fish, such as minnows and shad. Bait fish can also be the young of game fish, such as crappies, bluegill, and bass.
Most bait fish concentrate within five feet of the surface where sunlight promotes the growth of the plankton on whichtheyfeed. One method of fishing is to use the Magna II to find the bait fish first. With the Fish ID feature off, a school of bait fish will look like a "cloud" on the display. Usually, game fish will be nearby, often directly beneath the school of bait fish.

This key turns the unit off.
The Magna II and Magna II Plus havemanymenus of featuresthat are accessedwith this key. UP and DOWNARROWS Use these keysto adjustvirtuallyeveryfeatureand functionon the unit. Use these keys to adjustthe sensitivity, chart speed, range, and more.
NOTE:The up arrowkeyalso stops and starts the chart whenno menus are displayed. In other words, anytime you wish to stopthe chart, first makecertain no menu isonthescreen. Thenpress theuparrow key. The chart will freezeand the word "STOP"appears at thetop right portionof the screen. To start thechart, press the up arrow key again. 4
DISPLAY - General The lights flash for about ten seconds when the Magna II 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 turnthe lights on, pressthe up arrow key. To switch from feet to meters, pressthe down arrow key when the proper menu appears. To adjust the contrast, wait for the DARK/LIGHT menu to appear. Nowpress theup arrow keytodarkenthe screen, thedownarrow to lighten it. Themenus disappearaftera few seconds. Ifyou don't want to wait, press the ON/CLEAR key to clear the menus fromthe screen. WhentheMagnaII is firstturnedon,thedisplayappears sirnilartotheone below. The unitis in the automatic mode andthe FishIDfeatureison. The depth range displays on the left side of the screen. In this example, the range is from 0 to 60 feet. The digital bottomdepth display shows atthe top left portion of the screen.

750 THERMOCLINE

MOSTpRbDucTIvI ZONE FORFISHING
SURFACE LAYER ABSORBS HEAT FROM THESUN

EPILIMNION

El373FT
VARIESINDEPTh DUETO WIND.
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 Ihe thermoclinecan vary with the season or time of day. In deep lakes there maybe two or more at differentdepths. Thermoclines are important to fishermen becausethey are areas where fish are active. Many times baitfish will be abovethe thermoclinewhilelargergame fish will suspend in or just below it. The MagnaII candetectthis invisiblelayer in the water, but thesensitivity will probably have to be turned up to see it.

menu appears. Nowpressthedown arrow key. This switches the unitinto

37jFT act

Whenthe Fish l.D. mode is off, thedepth of the waterwill affect thesize and shape of the fish arch due to the cone angle diameter. For example, if the cone passes over a fish in shallow water, the signal displayedon theMagna II may not arch at all. This is due to thenarrow cone diameter and the resolution limitations of thedisplay.
screen. The lower limit is in the bottom leftcorner. For example, if the upper limit is 40 feet and thelower limit is 70 feet, thezoomwindowsize is30 feet. Theword'TRACK" appearsinthis menu whenyoufirst activate the zoom. This means the Magna II is tracking the bottom in a zoom window,always keeping it on thedisplay. Presstheup arrow keyto decrease zoom size, pressthedown arrow the to increase the zoom size. key
TheMagna II and II Plus have the following zoom ranges:
10, 20, 30, 60,120,240, and 480 feet
5, 10, 20, 30, 50, 100, and 150 meters.
Both 8 degree and 20 degree transducers give accurate bottom readings, even though the bottom signal is much wider on the 20 degree model. This is becauseyou are seeing more of the bottom. Remember, the shallowedge of the signal shows you the true depth. The rest of thesignaltells you whetheryou are over rocks, mud, etc. SIGNAL INTERPRETATION Your Magna II gives an accurate picture ofthebottom that your boat is passing. A bottom of firm sand, gravel, shell, or haitI clay returns a fairly wide signal. If the automatic mode is off and the signal narrows down, then it means that you have moved over a mud bottom. Mud absorbs the sound wave and returns a weak signal. Turn up the sensitivity to see a better bottom signal.
Big rocks or stumps on a smooth bottom send back signals above the bottom level signal. The height of the signal dependson the target's height. As you pass over a post, it should be clearly visible as a short line extending abovethe bottom signal.
When the unit is switched into the zoom mode, the letters "ZM" appearatthe top of the screen. Thezoomwindowsize displays in the top right corner of the screen. Toturn thezoomfeatureoff, press themenu key untilthe RANGE/ZOOM menu appears. Nowpresstheup arrow key. Thisswitches theunit intotherangemode, whichturnsthe zoom feature off.
Zoom - Manual Operation To operatethezoom featurewhentheMagna II is in themanual mode, firstpressthemenu key. Thenpressthedown arrow key in theRANGE/ ZOOM menu toplacethe Magnainthezoommode. Thezoomsize menu automatically appearsnext. You canchangethe zoomsize by pressing theupor downarrows. After youselect the desired zoomsize, pressthe menu key until the "MOVE ZOOM" menu appears. This menu letsyoumovethezoom ZM20 windowupordowninone footincrements by the arrow keys. Thus, you can pressing move the zoom window up towards the lyiflhllsurface,downtothebottom,or anywhere in IILJVC. 4-C between. The windowstays whereyou put ZOOM it. It doesn'ttrack the bottom signal.

scrolling onto the screen will also show the effects ofthesensitivity change. Ifyou reach themaximum or minimum sensitivity level, a tone soundsalerting you to the limits. After you've adjusted theunitto the desired sensitivity level, press the ON/CLEAR key toclearthe display. Ifyouwait a few seconds, it will automatically clear.

GRAYLINE

Grayline letsyoudistinguish between strong and weakechoes. It "paints" gray on targets that are stronger than a preset level. This shows the differencebetween a hardor soft bottom, large fishversus smallerones, or rocksand brush on the bottom. For example, a soft, muddy, or weedy bottom returns a weakersignal which showsa narrow or no gray line. A hard bottom returns a strong signal that causesa wide gray line.

8 DEGREE

20 PDF compression, OCR, web-optimization with CVISION's PdfCompressor
If you havetwo targetsof equalsize, one with gray and theotherwithout, the target with gray isthestrongerecho. Thishelpsdistinguish fish from structure, or the larger fish from a smaller one. Grayline adjustable. Sinceit shows the difference betweenstrongand weakechoes,changingthelevelmayrequireadifferentsensitivity selling. To changetheGraylinelevel, firstpress the MENU key untiltheGrayline menu appears. Nowpresstheup arrow keytoincreasethelevel, thedown arrowto decreaseit. The bar graph intheGrayline menu box shows the level of Graylinenow in use. Echoes scrollingonto thescreen will also showthe effects of the Grayline change. If you reach the maximumor minimum level, a tone sounds alertingyou to the limits. The level chosen by the Magna II when it's first turned on is usually adequate for most conditions. Experiment with your unitto find the Graylinesettingthat's best.

FISH ID FEATURE is

theside range orthe up arrow keyto increase it. Theavailable rangesin sidescan mode are 0-10, 20,40,60, and 120 feet or 0-10, 20,40,and
60 meters. Press the ON/CLEAR key to erase the range menu from the screen or wait afew seconds and it will automatically
clear. SIDE SCAN - ALARM The side scanfeaturealso hasan alarm that sounds whena Fish ID symbolappears on the display. This is called the Side Alarm andis automaticallyturned onwhentheside scan feature is enabled. To turn it off, or backon again, pressthe MENU key repeatedlywhilethe sidescanfeatureis on. When theSide Alarm menu appears, press the downarrow key to tum it off, or theuparrow keytoturn iton. PresstheON/CLEAR keyto erasethismenu fromthe screen or wait a few seconds and it will automatically clear. MENU SUMMARY

SIDE RANGE menu appears. Nowpress thedown arrow keyto decrease
The Fish ID featureidentifies targetsthat meet certainconditions as fish. The micro-computer analyses all echoes and eliminates surface clutter, thermoclines, and other undesirable signals. In mostinstances, remaining targets are fish. The Fish ID feature displays symbols onthescreen in placeoftheactualfish echoes. Therearefoursymbolsizes:tiny, small, medium,and large. These show the relative size between targets. In otherwords,itdisplaysasmallfishsymbolwhenitthinksatarget is asmall fish, a mediumfish symbolon a largertarget, etc. The micro-computeris sophisticated, but it can be fooled. It can't distinguish between fish and other suspended objectssuch as turtles, submerged floats, air bubbles, etc. Individual tree limbs extending outwards from a group of limbs are the hardestobjects for the Fish ID feature to distinguishfrom fish. You may see Fish ID symbols on the screenwhen,infact,thereareno fish. Practicewiththe whenthe Fish unit ID feature is on and offto becomemorefamiliarwith Fish ID. WhentheMagna II is first turnedon, the Fish ID featureis automatically turnedon, also. To turnthis featureoff, pressthemenu key until the Fish ID feature'smenu appearsas shown below. Now press thedown arrow
The menus listed below are shownin orderas you press theMENU key whiletheMagna II is in the normal mode with automatic and Fish ID on. The order of the menus (and the menus themselves) will change as different features are selected, however this is order the menus are in when the unit is first turned on.

'RANGE'

SET BY

IAUTOI

SHI IOFF

ISIDEI

I AUTO

I GRAYI I LINE I

LHn lDI9p

iI,r&

Iiw&I

IDEEPI

ICHARTI ISPEEDI

li''al

ISHALI

IALAR11I

I OFFi loiRKl

I&

IALARMI

IMETERI 19

"I

SIDE SCAN

key. Thisturnsthefeature off. Toturn it backon, repeattheabovesteps, butpresstheup arrow key instead. The Fish ID feature can't be usedwhen the Magna II is in the manual mode. If you turn theautomatic featureoft, theFish ID feature will automatically be turnedoff, also.

The Magna II and Magna II Plus have the unique ability to viewtargetsouttothe side of the boat. This feature is called 'side scan" and requiresthe optionalScanPactransducer accessory package. The ScanPac consists of a transducer, adjustable metalstrap, and a "'1" cable. Thetransducer attaches to the trollingmotorwith the adjustable metal strap. The "'1" cable connects both the ScanPac
transducer and the Magna II's normal transducer to the Magna II's transducer connector. See the ScanPac's installation instructions for more detail.
CHARTSPEED 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 maximumwhenthe MagnaII is firstturnedon. To decreaseit, press thedownarrow key. Pressthe up arrow keyto increase thespeed again. The bar graph in the Chart Speed menu box showsa graph ofthespeed. Echoes scrolling onto thescreen will also show the effects of the change. If you reach themaximumor minimum level, an warningtone sounds.
To usetheMagna II in the side scan mode, repeatedly press the MENU key until the SideScan menu appears. Nowpress the up arrow key to turn the side scan feature on. The screen shown at right appears.
Target echoes appear as short, horizontal lines on the left side of the screen. Fish ID symbols appear on the right side of the screen when the unit's computer thinks a group of echoes are fish. When a Fish ID symbol appears, the distancetiomthe symbol tothe boat shows atthebottomofthe screen. Intheexample shown at right! afish symbolis 27feet fromtheboat. After thefish symboldisappears, thedisplay attheboffom ofthescreenreverts to the digital depth display. See thescreen on theleft. The waterdepth is 64 feet. This is the distance from the bottom to the depth sounding transducer, not the side scan. By slowly rotating your trolling motor, a large areaaround the boat can be scanned. SIDE SCAN-RANGE
Therange showsonthesidesofthedisplay. Remember, this is the range outtothe side of the boat, not towards the bottom. To change the range, press the MENU key while the side scan feature is on until the
Tostopthechart, firstclearanymenu fromthescreen by pressing theON! CLEAR key. You can't stopthe chart while a menu is displayed. Now press the up arrow key. The chart will freeze and the word "STOP"appears at the top right portion ofthescreen. To start thechart, press the

up arrow key again.

DISPLAYMODE The Magna II hasthree different screen modes. The Magna II Plus has six. To change modes, press the MENU key until the "DISP MODE" (DisplayMode) menu appears. Then press the up or down arrow keys until the desired mode number appears. The modes are as follows: MACNA II ONLY

CHI 1 (Chart #1)

lowing features: 1. Automatic On
This is thedefault mode usedwhen the Magna II is first turned on. It has thefol2. Fish ID FeatureOn 3. Digital Depth Display On
To adjustthe contrast, press the menu key until the DARK/LIGHT menu appears. To decrease press thedownarrow key. Press it, the up arrow key to increase the contrast. The bar graph in the Dark/Light menu box showsa graphof the contrast. The screen will also show the effects of the change. If youreach the maximum or minimum level, a tone sounds alerting you to the limits. The menu will clear automatically after a few seconds or you can press the ON/CLEAR key to clearthescreen.
ASP (Advanced Signal Processing) CHT 2 (Chart #2) Thisis the High SpeedScroll mode. It shifts the chart speed intohighgear, sciolling echoes at a high rate. It hasthe following features: 1. Automatic Off
E:::::::.::::.:::::::::s::;.::.
2. Fish ID FeatureOff 3. Digital Depth Display Off

DEPTH FT

DIG 1 (Digital #1) This is thedigital only screen. It shows the digital depth displayat thetop ofthe screen inverylargenumbers. Theshallowand deep alarm settings are displayed beneath the digital depth. No chart showsonthis screen.

60+8. I SHAL

ASP is a programembedded in the Magna II's computerthat is specifically designed to ASP eliminate no!se. It continuallymonitors the signalsfrom thereceiver, determines which echoes are noise and rejects them. This allows true target echoes to display on the screen with a minimum of clutter. This feature is especially usefulsince it typicallylets t.O you operate the boat at all speeds without ___________________ the sensitivity or other controls. adjusting When the MagnaII or MagnaII Plus is firstturnedon, ASPis enabled.To turn ASPoff, press themenu keyrepeatedly until theASPmenu appears. Now press theup arrow to turn iton or thedown arrow to turn it off. The menu willclearautomatically afterafewseconds oryou canpresstheON/ CLEAR key to clearthe screen.

E 373FT

OFT OFT

DEEP ALM

DISPLAY MODE (cont.)
MAGNAII PLUS ONLY The Magna II and Magna II Plus' display is backlighted for nightuse. To turn the backlights on or off, pressthe menu key repeatedly until the LAMP menu appears. Now press theup arrow to turnthelights on or the down arrow toturn them off. Themenu will clear automatically after a few seconds or you can press the ON/CLEAR key to clear the screen.

373FT ect __________

CHT 1 (Chart #1) This is the default mode used when the MagnaII Plus isfirstturnedon. It hasthefollowing features: 1. Automatic On 2. Ash ID Feature On 3. Digital Depth Display On

_______

__________ ____

34.1FT

FEET/METER
TheMagnaII and Magna II Plus canshowthe depth in feet or meters. The Magna II Plus can also show temperature in degrees Fahrenheit or Celsius, speed in statutemiles per hour or knots, and distance (log) in statute miles ornautical miles. Wheneither unitis in themetric mode, all depth readings, ranges, zooms, and alarm sethngs are in meters. When a unit is in the feet mode, all of the above settings are in feet. Tochange fromfeet to metersor vice-versa, press themenu key until the FEET/METER menu appears. Press the down arrow key to switch to metric, the up arrow to switch to feet. Displays show infeet whenthe unit is firstturnedon. The menu will clear automatically after a few seconds or youcan press the ON/CLEAR key to clear thescreen. DISPLAYCONTRAST Theunit'sdisplaycontrast is adjustable to suit differentlightingconditions. Thiswill help youseethescreenfromdifferentangles, or at varioustimes
CHT 2 (Chart #2) Same as Chart #1 pIusdigital surface watertemperature display.
CHT 3 (Chad #3) Same as Chart#1 plus digital speed

display.

CHT 4 (Chart #4) This istheHigh Speed Scroll mode. It shifts the chart speed into high gear, scrolling echoes at a high rate. It has the following

features:

of theday.
1. Automatic Off 2. Fish ID FeatureOff 3. All Digital Displays Off
DISPLAY MODE (cont.) DIG1 (Digital#1) This is thefirst 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 beneath the digital depth. No chart showson this screen.

[60.8] I

SHAL ALM

DEPTH ALARMS

Thedepthalarmsaretriggered onlybythebottom signal. Nootherechoes will activatethese alarms. Thedepth alarms consistofa shallow anddeep alarm. The shallow alarm sounds an alarm tone whenthe bottomgoes shallower than thealarm'ssetting. Thedeep alarm sounds a tone when the bottomgoes deeperthan ft's setting. Both alarms adjustthe same, althoughthrough differentmenus.

ShallowAlarm

Tosetthe shallowalarm,press themenu key repeatedlyuntil the "SHAL ALARM" menu appears. Press the down arrow key to increase the depth,the up arrow key decreases it. The number in the shallowalarm's menu boxshowsthecurrent shallowalarm setting. When the number reachesthe desired setting, release the arrow key. Press the ON! CLEAR key to remove the shallow alarm menu fromthescreen. Nowwhenthebottom depth goes shallowerthan the alarm's settingan alarm tone sounds. Atthe sametime the alarm sounds, a message box appears on the screen as shown below.

DIG 2(Digital#2)

The digitaldepth displayshowsat the top of this screen in:very large digits. The digital temperature, speed, and log showsbeneath thedepth. The log startscounting whenthe Magna II Plus is first turned on. When the Magna II Plus isturned off,thelog is reset to

[38.3] F

DEPTH FT TEMP

ISPEED

33.8 8.3

373FT ___________

ALARMS FISH ALARM The Fish Alarm sounds a tone when a fish symbolappearson the screen. To use the fish alarm, press the menu key until the "FISH ALARM"menu appears on the screen. Nowpresstheuparrow keytoturnthealarm on. Repeatthe above steps to turn thefish alarm off. (Note: If the Fish ID featureis off, it will be turned on when you turn the fish alarm on.)

ALARM MUTE

Pressthe up arrow keyto silence the alarm. This will turn the alarm sound off until the
shallow alarm istriggered again.
To turn the alarm off, press the menu key until theshallow alarm menu appears. Then
press the up arrow key until the word"OFF" appears;
Deep Alarm The deep alarm adjuststhesame as theshallow alarm. Use the 'DEEP ALARM"menu to adjustthedeep alarm. When thebottom signalgoes deeperthan the setting, an alarm tone sounds.

doc1

Magna III and Magna III Plus
INSTALLATION AND OPERATION INSTRUCTIONS

TABLE OF CONTENTS

INTRODUCTION... 3 SPECIFICATIONS... 3 INSTALLATION.... 4 INSTALLATION - Bracket... 4 POWER CONNECTIONS... 5 SPEED/TEMP SENSOR (MAGNA III PLUS ONLY).. 6 MAGNA III PORTABLE... 7 TRANSDUCER... 9 KEYBOARD BASICS... 10 DISPLAY.... 10 OPERATION.... 11 MENUS.... 11 AUTOMATIC.... 11 RANGE.... 11 ZOOM.... 12 SENSITIVITY... 14 GRAYLINE.... 14 FISH ID.... 15 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 1995,1996, Eagle Electronics All features and specifications in this manual are subject to change without notice. All screens in this manual are simulated. Eagle Electronics PO Box 669 Catoosa, OK 74015
INTRODUCTION Thank you for purchasing an Eagle sonar. Your Magna or Magna III Plus is a high quality sonar designed for both professional and novice fishermen. These units have an automatic feature that finds and displays the bottom, fish, structure, and more! All you have to do is press the on key. However, if you wish to fine tune the unit, all you have to do is press 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 youve read the instructions, install the unit, then read the rest of the manual. The more you know about your unit, the better it will perform for you. Take this manual for reference when you head for the water.
SPECIFICATIONS Dimensions.. 5.9" W x 5.35" H x 3.4" D Input Voltage.. 10 - 15 vDC Current Drain. 350 ma (lights off).. 500 ma (lights on) Transmitter Frequency.. 192 kHz Output Power.. 275 watts (peak-to-peak) (typical).. 34.4 watts (RMS) Display.. 100 pixels (H) x 65 pixels (W).. Supertwist Liquid Crystal Display

5.9"

3.4"
NOTICE! The storage temperature for your unit is from -4 degrees to +167 degrees Fahrenheit (-20 degrees to +75 degrees Celcius). Extended storage in temperatures higher or lower than specified will damage the liquid crystal display in your unit. This type of damage is not covered by the warranty. For more information, contact the factory customer service department or your local service center.

5.35"

INSTALLATION - Bracket You can install the Magna III on the top of a dash or from an overhead with the supplied bracket. It can also be installed in the dash with an optional IDA-3 mounting kit. If you use the supplied bracket, you may be interested in the optional GBSA-1 swivel bracket kit. This converts the Magna III's gimbal bracket to a swivel mount which can be used on the dash or overhead mounting positions. Installation instructions for the in-dash and swivel mounting kits are supplied with the adapter kits. Mount the Magna III in any convenient location, provided there is clearance when its tilted for the best viewing angle. Holes in the brackets base allow wood screw or through bolt mounting. It may be necessary to place a piece of plywood on the back side of thin panels to reinforce the panel. Make certain there is enough room behind the unit to attach the power and transducer cables. Drill a hole in the dash for the power and transducer cables. The best location for this hole is immediately under the gimbal bracket. This way, 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 cant pass a power or transducer connector and another cable through a 5/8" hole. Therefore, after drilling the hole, pass the transducer connector up through the hole from under the dash. Then drop the power cable down from the front side of the dash. After installing the transducer, route its cable to the unit by passing it through the hole from under the dash. Slide the bracket over the hole, then route the transducer and power cables out the slot in the back of the bracket. Finally, fasten the bracket to the dash.

GOOD LOCATION

SIDE VIEW 6

REAR VIEW

MAGNA III PORTABLE ASSEMBLY INSTALLING THE BATTERIES Release the latch on the front of the battery case. Open the compartment and install four "D" cell batteries into the adapter. For the longest life, we recommend you use alkaline batteries. This battery case will also hold one rechargable battery instead of the "D" cells. See the enclosed coupon for more information on the rechargable battery.
"D" CELL 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 power cable should be attached to the red wire on the D-cell battery adapter and the power cable's black wire should be connected to the black wire on the D-cell battery adapter. If it still doesn't work,
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 temperature. We find it a good idea to have the Magna III Portable good and warm along with the batteries before we leave home. If the batteries do lose a charge, you can sometimes restore them by placing them in a warm room or car interior. A better way is to replace them with batteries that have been kept warm. Don't ever heat the batteries over an open flame or direct hot air onto them. A fire or explosion could result.
PORTABLE TRANSDUCER ASSEMBLY Assemble the transducer and bracket as shown below. Attach the transducer to the bracket with the supplied hardware. Make certain there is one washer on each side of the transducer, inside the bracket. Slide the other washer over the end of the bolt and thread the nut onto it. Screw the suction cup onto the bracket using the supplied screw and flat washer. Tie the nylon cord through the hole in the top of the bracket. When using this transducer, tie the other end of the nylon cord to the boat. This will help prevent the loss of the transducer if it comes off the boat.

TIE NYLON CORD HERE SCREW

BOLT WASHER

WASHER
Clean the chosen area of the hull before attaching the suction cup. Locate the transducer on the hull as shown below. Don't allow the bracket to go below the hull, as water pressure against it can cause the suction cup to come off at speed. Moisten the cup, then press it onto the hull as firmly as possible. Tie the nylon cord to the boat and route the transducer cable to the sonar unit. Plug the transducer connector into the "Y" power cable on the Magna III. Your portable sonar is now ready for use.
PERMANENT MOUNT TRANSDUCER INSTALLATION The HS-WSBK supplied with your Magna III is a transom mount transducer. It can be installed 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 kickup, the bracket can easily be pushed back in place without tools. Read the enclosed transducer installation manual carefully before attempting the installation. Determine which of the mounting positions is right for your boat. Use extreme care if mounting the transducer inside the hull, since once it is epoxied into position, the transducer usually cannot be removed. Remember, the transducer location is the most critical part of a sonar installation. If it isnt done properly, the sonar cant perform at its designed potential.
KEYBOARD BASICS The unit sounds a tone when you press any key. This tells you the unit has accepted a command. ON/CLEAR Use this key to turn the unit on. It also clears menu selections and the menus from the screen. OFF This key turns the unit off. MENU The Magna III and Magna III Plus have many features that are accessed with this key. To see the first menu, press the MENU key. To see the other menus, press the MENU key repeatedly. UP and DOWN ARROWS Use these keys to adjust virtually every feature and function on the unit. NOTE: The up arrow key also stops the chart when no menus are displayed. In other words, anytime you wish to stop the chart, first make certain no menu is on the screen. 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 the up arrow key. To switch from feet to meters, press the down arrow key when the proper menu appears. To adjust the contrast, wait for the DARK/LIGHT menu to appear. Now press the up arrow key to darken the screen, the down arrow to lighten it. The menus disappear after a few seconds. If you dont want to wait, press the ON/CLEAR key to clear the menus from the screen. When the Magna III is first turned on, the display appears similar to the one at right. The unit is in the automatic mode and the Fish

ID feature is on. The depth range displays on the upper left side of the screen. On the screen at the bottom of the previous page, the range is from 0 to 60 feet and the bottom depth is 37.3 feet. OPERATION MENUS The Magna III and Magna III Plus use menus to guide you through the units functions and features. The menu key accesses these features, allowing you to customize the unit to your particular needs and water conditions. All you have to do to leave one menu and enter another is press the menu key repeatedly. If you ever get lost in the menus, simply press the ON/CLEAR key. This clears the menus from the screen. Menus change depending on the mode the unit is in. For example, if the automatic mode is turned off, the sensitivity menu changes from AUTO SENS to MAN SENS. Other messages may appear in menu boxes or new menus can appear, again depending on previous selections. On the screen 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 units 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 appears. Now press the down arrow key. This highlights the letters MAN. The unit is now in the manual mode. Wait a few seconds and the menu will scroll off the screens left side. Pressing the ON/CLEAR key also clears it. To turn the automatic feature on again, repeat the above steps, except this time press the up arrow key. RANGE You cant adjust the range when the Magna III is in the automatic mode. It is adjustable when the unit is in the manual mode, however. To do so, first put the unit in the manual mode. Now press the ON/CLEAR key to clear the screen. Then press the menu key until the RANGE SEL menu appears as shown below. The current range shows at the bottom of the
menu. In this case, the range is 60 feet. Now press the up arrow key to decrease the range, the down arrow key increases the range. After you select the desired range, press the ON/ CLEAR key to clear the display. If you wait a few seconds, it will automatically clear. The Magna III and III Plus have the following ranges: 10, 20, 40, 60, 120, 240, 480, and 900 feet. and 5, 10, 20, 40, 60, 100, 200, and 300 meters. ZOOM The zoom feature enlarges all echoes on the screen. If the unit is in the automatic mode, it tracks the bottom signal, always keeping it near the bottom of the screen. This lets you see small detail, at the same time enlarging all echoes that appear on the screen. The unit doesnt 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. This is the zoom size menu. Zoom size is the distance between the upper limit and the lower limit. The upper limit shows at the top left corner of the screen. The lower limit is in the bottom left corner. For example, if the upper limit is 40 feet and the lower limit is 70 feet, the zoom window size is 30 feet. The word TRACK appears in this menu when you first activate the zoom as shown at right.

This means the Magna III is tracking the bottom in a zoom window, always keeping it on the display. Press the up arrow key to decrease the zoom size, press the down arrow key to increase the zoom size. When the unit is switched into the zoom mode, the letters ZM appear at the top of the screen. The zoom window size displays in the top right corner of the screen. On the screen shown above, the zoom size has been changed to 20 feet. To turn the zoom feature off, press the menu key until the RANGE/ZOOM menu appears. Now press the up arrow key. This switches the unit into the range mode, which turns the zoom feature off. The Magna III and III Plus have the following zoom ranges: 10, 20, 30, 60, 120, 240, and 480 feet and 5, 10, 20, 30, 50, 100, and 150 meters. Zoom - Manual Operation To operate the zoom feature when the Magna III is in the manual mode, first press the menu key. Then press the down arrow key in the RANGE/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 menu key until the MOVE ZOOM menu appears. This menu lets you move the zoom window up or down inone foot increments by pressing the arrow keys. Thus, you can move the zoom window up towards the surface, down to the bottom, or anywhere in between. The window stays where you put it. It doesnt track the bottom signal. To turn the zoom feature off, press the menu key until the RANGE/ZOOM menu appears. Now press the up arrow key. This switches the unit into the range mode, which turns the zoom feature off.
SENSITIVITY The sensitivity menu lets you control the units ability to pick up echoes. A low sensitivity level excludes much of the bottom information, fish signals, and other detail. High sensitivity settings lets you see features, but it can also clutter the screen with noise and other unwanted signals. Typically, the best sensitivity level shows a good, solid bottom signal with grayline. The Magna III adjusts the sensitivity level to keep a solid bottom signal on the screen. It adds a little extra when its in the automatic mode. This gives it the capability to show fish and other detail. However, situations occur where it becomes necessary to increase or decrease the sensitivity level. Typically, this occurs when you wish to see more detail, so you need to increase the sensitivity. The procedure to adjust it is the same whether the unit is in the automatic or manual mode. To change the sensitivity level, first press the menu key until the sensitivity menu appears. If the unit 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 maximum or minimum sensitivity level, a tone sounds alerting you to the limits. After youve adjusted the unit to the desired sensitivity level, press the ON/ CLEAR key to clear the display. If you wait a few seconds, it will automatically clear.

GRAYLINE Grayline lets you distinguish between strong and weak echoes. It paints gray on targets that are stronger than a preset level. This shows the difference between a hard or soft bottom, large fish versus smaller ones, or rocks and brush on the bottom. For example, a soft, muddy, or weedy bottom returns a weaker signal which shows a narrow or no gray line. A hard bottom returns a strong signal that causes a wide gray line. If you have two targets of equal size, one with gray and the other without, the target with gray is the stronger echo. This helps distinguish fish from structure, or the larger fish from a smaller one.
Grayline is adjustable. Since it shows the difference between strong and weak echoes, changing the level may require a different sensitivity setting. To change the Grayline level, first press the MENU key until the Grayline menu appears. Now press the up arrow key to increase the level, the down arrow to decrease it. The percentage of Grayline now in use shows in this menu. Echoes scrolling onto the screen will also show the effects of the Grayline change. If you reach the maximum or minimum level, a tone sounds alerting you to the limits. The level chosen by the Magna III when its first turned on is usually adequate for most conditions. Experiment with your unit to find the Grayline setting thats best. FISH ID FEATURE The Fish ID feature identifies targets that meet certain conditions as fish. The microcomputer analyses all echoes and eliminates surface clutter, thermoclines, and other undesirable signals. In most instances, 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, and large. These show the relative size between targets. In other 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 can't distinguish between fish and other suspended objects such as turtles, submerged floats, air bubbles, etc. Individual tree limbs extending outwards from a group of limbs are the hardest objects for the Fish ID feature to distinguish from fish. You may see Fish ID symbols on the screen when, in fact, there are no fish. Practice with the unit when the Fish ID feature is on and off to become more familiar with Fish ID. When the Magna III is first turned on, the Fish ID feature is automatically turned on, also. To turn this feature off, press the menu key until the Fish ID features menu appears as shown at right. Now press the down arrow key. This turns the feature off. To turn it back on, repeat the above steps, but press the up arrow key instead.

The Fish ID feature cant be used when the Magna III is in the manual mode. If you turn the automatic feature off, the Fish ID feature will automatically be turned off, also. FISH TRACK The Magna III automatically displays the depth of a target when the Fish ID feature places a fish symbol on the screen as shown below. This feature is automatically enabled when the Magna III is turned on. To turn it off or on again, press the MENU key repeatedly until the Fish Track menu appears as shown below. Now press the down arrow key to turn it off. Remember, Fish ID must be on in order to use the Fish Track feature.
CHART SPEED The rate echoes scroll across the screen is called the chart speed. Its 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 the screen will also show the effects of the change. If you reach the maximum or minimum level, an warning tone sounds. To stop the chart, first clear any menu from the screen by pressing the ON/CLEAR key. You cant stop the chart while a menu is displayed. Now press the up arrow key. The chart will freeze and the word STOP appears at the top right portion of the screen. To start the chart, press the up arrow key again.
DISPLAY MODE The Magna III has three different screen modes. The Magna III Plus has six. To change modes, press the MENU key until the DISP MODE (Display Mode) menu appears. Then press the up or down arrow keys until the desired mode number appears. The modes are as follows:
MAGNA III ONLY CHT 1 (Chart #1) This is the default mode used when the Magna III 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) This is the High Speed Scroll mode. It shifts the chart speed into high gear, scrolling echoes at a high rate. It has the following features: 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 display at the top of the screen in very large numbers. The shallow and deep alarm settings are displayed beneath the digital depth. No chart shows on this screen.
DISPLAY MODE - MAGNA III PLUS ONLY CHT 1 (Chart #1) This is the default mode used when the Magna 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.
CHT 4 (Chart #4) This is the High Speed Scroll mode. It has the following features: 1. Automatic Off 2. Fish ID Feature Off 3. All Digital Displays Off
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 beneath the digital depth. No chart shows on this screen.
DIG 2 (Digital #2) The digital depth display shows at the top of this screen in very large digits. The digital temperature, speed, and log shows beneath the depth. The log starts counting when the Magna III Plus is first turned on. When the Magna III Plus is turned off, the log is reset to zero.
ALARMS FISH ALARM The Fish Alarm sounds a tone when a fish symbol appears on the screen. To use the fish alarm, press the menu key until the FISH ALARM menu appears on the screen. Now press the up arrow key to turn the alarm on. Repeat the above steps to turn the fish alarm off. (Note: If the Fish ID feature is off, it will be turned on when you turn the fish alarm on.) DEPTH ALARMS The depth alarms are triggered only by the bottom signal. No other echoes will activate these alarms. The depth alarms consist of a shallow and deep alarm. The shallow alarm sounds an alarm tone when the bottom goes shallower than the alarms setting. The deep alarm sounds a tone when the bottom goes deeper than its 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 increase the shallow alarm's depth setting, the up arrow key decreases it. The number in the shallow alarms menu box shows the current shallow alarm setting. When the number reaches the desired setting, release the arrow key. When the bottom depth goes shallower than the alarms setting an alarm tone sounds. At the same time the alarm sounds, a message box appears on the screen as shown at right. Press the up arrow key to silence the alarm. This will turn the alarm sound off until the shallow alarm is triggered again. To turn the alarm off, press the menu key until the shallow alarm menu appears. Then press the up arrow key until the word OFF appears.
Deep Alarm The deep alarm adjusts the same as the shallow alarm. Use the DEEP ALARM menu to adjust the deep alarm. When the bottom signal goes deeper than the setting, an alarm tone sounds. LIGHTS The Magna III and Magna III Plus display is backlighted for night use. To turn the backlights on or off, press the menu key repeatedly until the LAMP menu appears. Now press the up arrow to turn the lights on or the down arrow to turn them off. The menu will clear automatically after a few seconds. FEET/METER The Magna III and Magna III Plus can show the depth in feet or meters. The Magna III Plus can also show temperature in degrees Fahrenheit or Celsius, speed in statute miles per hour or knots, and distance (log) in statute 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 switch to metric, the up arrow to switch to feet. Displays show in feet when the unit is first turned on. The menu will clear automatically after a few seconds or you can press the ON/CLEAR key to clear the screen.

Weak bottom echo, digital readings erratic, or no fish signals: 1. Make certain transducer is pointing straight down. 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 sure it is shooting through only one layer of fiberglass and that it is securely bonded to the hull. Do NOT use RTV silicone rubber adhesive or MarinetexTM. 2. Electrical noise from the boats 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.
3. The water may be deeper than the sonars ability to find the bottom. If the sonar cant find the bottom signal while its in the automatic mode, the digital will flash continuously. It may change the range to limits far greater than the water you are in. If this happens, place the unit in the manual mode, then change the range to a realistic one, (for example, 0-100 feet) and increase the sensitivity. As you move into shallower water, a bottom signal should appear. 4. Check the battery voltage. If the voltage drops, the units transmitter power also drops, reducing its ability to find the bottom or targets.
Bottom echo disappears at high speeds or erratic digital reading or weak bottom echo while boat is moving 1. The transducer may be in turbulent water. It must be mounted in a smooth flow of water in order for the sonar to work at all boat speeds. Air bubbles in the water disrupt the sonar signals, interfering with its ability to find the bottom or other targets. The technical term for this is Cavitation. 2. Electrical noise from the boats 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 units power and transducer cables away from other electrical wiring on the boat.
No fish arches when the Fish ID feature is off: 1. Make certain transducer is pointing straight down. This is the most common problem if a partial arch is displayed. See the Fish Arch section in your owner's manual for more information. 2. The sensitivity may not be high enough. In order for the unit to display a fish arch, it has to be able to receive the fishs echo from the time it enters the cone until it leaves. If the sensitivity is not high enough, the unit displays the fish only when it is in the center of the cone. 3. Use the Zoom feature. It is much easier to display fish arches when zoomed in on a small range of water than a large one. For example, you will have much better luck seeing fish arches with a 30 to 60 foot range than a 0 to 60 foot range. This enlarges the targets, allowing the display to show much more detail.

4. The boat must be moving at a slow trolling speed to see fish arches. If the boat is motionless, fish stay in the cone, showing on the display as straight horizontal lines. ELECTRICAL NOISE A major cause of sonar problems is electrical noise. This usually appears on the sonars display as random patterns of dots or lines. In severe cases, it can completely cover the screen with black dots, or cause the unit operate erratically, or not at all. To eliminate or minimize the effects of electrical noise, first try to determine the cause. With the boat at rest in the water, the first thing you should do is turn all electrical equipment on the boat off. Make certain the engine is off, also. Turn your Magna III on, then turn off ASP (Advanced Signal Processing). There should be a steady bottom signal on the display. Now turn on each piece of electrical equipment on the boat and view the effect on the sonars display. For example, turn on the bilge pump and view the sonar display for noise. If no noise is present, turn the pump off, then turn on the VHF radio and transmit. Keep doing this until all electrical equipment has been turned on, their effect on the sonar display noted, then turned off. If you find noise interference from an electrical instrument, trolling motor, pump, or radio, try to isolate the problem. You can usually reroute the sonar units 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 sonars wires away from it. You may need to route the sonar units power cable directly to the battery to isolate it from other wiring on the boat. If no noise displays on the sonar unit from electrical equipment, then make certain everything except the sonar unit is turned off, then start the engine. Increase the RPM with the gearshift in neutral. If noise appears on the display, the problem could be one of three things; spark plugs, alternator, or tachometer wiring. Try using resistor spark plugs, alternator filters, or routing the sonar units power cable away from engine wiring. Again, routing the power cable directly to the battery helps eliminate noise problems. Make certain to use the in-line fuse supplied with the unit when wiring the power cable to the battery! When no noise appears on the sonar unit after all of the above tests, then the noise source is probably cavitation. Many novices or persons with limited experience make hasty sonar installations which function perfectly
in shallow water, or when the boat is at rest. In nearly all 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 owners manual for the best mounting position.

Eagle Electronics may find it necessary to change or end our shipping policies, 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. P.O. Box 129 Catoosa, OK 74015-0129 or call 800-324-0045 (USA orders only.)

NOTICE!

Please check the items in the box against this list. You should have all of the items shown on this page. If you are missing any of the 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 information is recorded and approved by our Customer Service Department, the missing item(s) will be shipped directly to you free of charge.

DISPLAY UNIT

RUBBER WASHER

GIMBAL BRACKET

TRANSDUCER, BRACKET, AND HARDWARE

POWER CABLE

SPEED/TEMP SENSOR (Magna III Plus models Only)

FUSE FUSE HOLDER

How to Obtain Service
(Canadian Customers Only)
We back your investment in quality products with quick, expert service and genuine Eagle replacement parts. If you need service or repairs, contact the Eagle Factory Customer Service Department at the toll-free number listed below. A technician may be able to solve the problem and save you the inconvenience of returning your unit. You will be asked for your unit's serial number.

800-324-1354

Canada Only. Monday through Friday 8:00 A.M. - 8:00 P.M. Central Time.
(International Customers Only)
If you need service or repairs, contact the dealer in the country you purchased your unit. 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.

Shipping Information

When sending a product for repair, we recommend you do the following: 1. Always use the original shipping container and filler material the product was packed in when shipping your product. 2 Always insure the parcel against damage or loss during shipment. Eagle does not assume responsiblity for goods lost or damaged in transit. 3. 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.

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. Canadian customers only can write: Lowrance/Eagle Canada, 919 Matheson Blvd., E. Mississauga, Ontario L4W2R7 or fax 416-629-3118
Your unit's serial number

(U.S.A. Only)

We back your investment in quality products with quick, expert service and genuine Eagle replacement parts. If you're in the United States and you have questions, please contact the Factory Customer Service Department using our toll-free number listed below. You must send the unit to the factory for warranty service or repair. Please call the factory before sending the unit. You will be asked for your unit's serial number (shown above). Use the following toll-free number:
U.S.A.only. Monday through Friday 8:00 A.M. - 8:00 P.M. Central time, except holidays.
Your unit is covered by a full one-year warranty. (See inside for complete warranty details.) If your unit fails and the failure is not covered by the original warranty, Eagle has a flat-rate repair policy that covers your unit and accessories packed with the unit at the factory. There is a 180-day warranty on all non-warranty repairs from the factory, which is similar to the original warranty, but is for 180 days rather than one year. For further details, please call us at the above number. On factory repairs, we guarantee your unit will be repaired in three working days from the time it is received. This does not include shipping time. If for some reason we cannot meet this commitment, we will extend your warranty for another full year, free of charge, from the date of repair. Eagle 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 also use the enclosed UPS shipping label for non-warranty shipments. 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 guaranteed. (Does not include shipping time.)
EAGLE ELECTRONICS PO BOX 669 CATOOSA OK 74015

LITHO IN U.S.A.

988-0106-89

 

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