Eagle FISH I.D., FISH I.D. PLUS INSTALLATION AND OPERATION INSTRUCTIONS
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FISH I.D. |
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AND |
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FISH I.D. PLUS |
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INSTALLATION AND OPERATION |
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INSTRUCTIONS |
LITHO IN U.S.A. |
988-0106-31 |
EAGI |
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TABLE OF CONTENTS |
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INTRODUCTION |
1 |
INSTALLATION |
1 |
POWER CONNECTIONS |
1 |
NOISE |
3 |
TRANSDUCER |
3 |
KEYBOARD BASICS |
4 |
OPERATION |
7 |
SENSITIVITY |
7 |
CHARTSPEED |
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RANGE |
10 |
ZOOM |
10 |
DIGITAL |
11 |
FISH I.D. FEATURE |
12 |
AUTO |
13 |
ALARMS |
13 |
CHARTALARM |
14 |
FISHALARM |
15 |
SPEAKER |
15 |
LIGHT |
15 |
MODE |
16 |
TRANSDUCERS ANDCONE ANGLES |
20 |
SIGNAL INTERPRETATION |
21 |
FISHARCHES |
21 |
WATERTEMPERATURE AND THERMOCLINES |
23 |
SURVEYING A LAKE |
24 |
BAIT FISH |
25 |
HOWTO OBTAINSERVICE |
25 |
SPECIFICATIONS |
26 |
GLOSSARY |
26 |
Copyright© 1989, Eagle Electronics
All rights reserved.
All featuresand specifications subiecttochangewithoutnotice.
SECOND ECHO - Another echo that registers at roughly twice the depth ofatargetecho. This iscaused by thesound wavesreflecting off the bottom, strikingthe surface of the water,travellingto the bottom again, and returning to thesurface.
SECOND FUNCTION KEY-A buttonthat convertsthefunctions ofthe primarykeys tootherfunctions.
SENSITIVITY -The abilityof a sonar unit'sreceiverto displaytargets.
Increasingthe sensitivity allowsweakertargets to be displayed. Also called "gain".
SCROLLSPEED - See CHARTSPEED.
- A
SHOOT-ThROUGH-HULL transducerinstallation whichallowsthe
sonarsignalsto passthrough afiberglasshullwithoutcuffinga hole in the hull.
SUPPRESSION - A method used insomesonarunitsto help eliminate interference or noise.
SURFACECLARITY CONTROL - Reduces or eliminates undesirable signals displayed nearthe water'ssurface. Also called "SCC".
THERMOCLINE- Alayerof watercausedbythe meeting ofwarmand
cool layersof water. The thermocline providesthe temperature most fish prefer.
TRANSDUCER - The element of a sonar system that converts the electrical energy from the transmitter into ultrasonic sound waves.
When a return echostrikes thetransducer, itconvertsthesound waves into electrical energywhichisreceived anddisplayedby thesonarunit.
TRANSOM MOUNT - A method of mounting transducers or other sensorsonthetransomoftheboat.
UPPER/LOWERLIMIT - Theseare the range limitsdisplayed on the sonar screen or paper. The upper limit is shown at the top ofthe
display, whilethe lowerlimit is atthe bottom. For example, a 20to 30 foot rangehas 20 feet as theupperlimit and 30 feet as thelowerlimit.
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LCD- Liquidcrystaldisplay. The screen or display of a LiquidCrystal Graphsonarinstrument.
LCG - LiquidCrystal Graph.
NOISE- Any undesiredsignal. Electrical noise is caused by engine ignitions systems, radios, etc. Acoustic noiseiscausedbythevibration of the engine or other mechanical sources.
displayas random dots or lines.
OPERATING FREQUENCY- Frequency of a sonar unit'stransmitter and receiver. (SeekHz.)
OUTPUTPOWER-The amplitude ofelectrical energytransmittedfrom
the sonar unit to the transducer. Measured in watts, the higher the outputpower, thedeepera sonar unit can read, and moredetailcan be
displayed.
PIXEL- Thesmall dots or squareson a liquidcrystaldisplayor CAT.
PIXEL DENSITY - The number of pixels per square inch on a liquid crystal display. Typically,the greater number of vertical pixels, the betterthe resolution.
PULSE LENGTh -The amount oftimethat thesonartransmits. This is measured in micro-seconds. The shorterthe pulse length, the better theresolution. Forexample, a30micro-second pulselengthis equal to a one inch resolution.
RANGE The section of water shown on the sonar display. For example, a 60 foot range has zero for the upper limit and 60
lowerlimit.
REMOTE - An intelligent "repeater" unitthat receives depth information from another sonar unit. A remote doesn'thave a transmitteror re-
ceiver. However,it doeshaveit'sown featuresthat are adjustable and operate separatelyfrom the master.
RESOLUTION - The ability of a sonar unit to separate targets from each otheror fromthebottom.
SCALE - The markings on a sonar unit'sdisplay. To determine the depth ofatarget,simplycompare thetarget'slocation 10 the locationof
the scale markers onthe display.
INTRODUCTION
Welcome totheworldofsportfishing sonar. Your Eagle Fish l.D. and
Fish 1.0. Plus are highquality sonar designed forboth professional and novice users. These units have an automatic feature that finds and
displaysthe bottomdepth,fish, and structure. As you becomefamiliar with your Fish 1.0., you can "fine tune" the unit to the surrounding
conditionstoget the mostfromyour sonar.
(Note: All operatinginstructions forthe Fish l.D. and Fish 1.0. Plus are the same exceptfor speedand temperature. Only the Fish l.D. Plus
hasthosefunctions. To simplifythis manual, all references to the Fish 1.0. will also hold trueforthe Fish 1.0. Plus.
To get started with your Fish l.D., first read the installation section.
This iswhereitall begins, and improper installation can causeproblems
downthe road. After |
readtheseinstructions and installed your |
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you've |
Fish l.D., read the rest of this manual in detail. The moreyou know whenyou gettothe water, the moreyour Fish 1.0. willdoforyou. Take this manual for reference whenyou head forthewater.
INSTALLATION
Mounting
Install the unit in any convenient location, providedthere is clearance whentilted forthe bestviewingangle. Holesin thebracketbaseallow
wood screw orthroughbolt mounting. Place a pieceof plywood on the back of thin panels to secure the mounting hardware. Make certain there is enough room behind the unit to attach the power and transducercables.
You can routethe powerand transducer cables throughthe one inch hole in the baseofthegimbalbracket. Thenpassthemthroughahole inthemounting surface. First passthetransducerconnectorandcable
up throughthe hole and gimbal bracket. |
Then pushthe powercable |
wire downthroughthe bracketand dash. |
After routing the cables,fill |
the hole with silicone rubber adhesive (RTV). Offset the bracketto coverthe majoiltyofthe hole.
Power Connections
The Fish l.D. operatesfroma 12voltbatterysystem. Attachthepower cable to an accessory or power buss. If you have
electrical interference, then attach the cable directly to the battery.
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Electrical interference shows as random dots on the displaywhenever
the boat's |
or an |
accessory |
is on. |
engine |
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The powercable has two wires, |
red is the positive lead and black is |
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negative orground. Attachthein-linefuse holdertothe red wireon the powercablewith thecrimpconnector. Theotherend ofthefuseholder attaches to the battery or accessory buss. If the cable is not long enough, spliceordinary#18gaugewireontoit. Becertainthatthefuse holder is as close to the power source (battery or accessory buss) as possible. This protectsthe powercableand yourunit intheeventof a short. Usea 3-ampfuse.
These units have reversepolarity protection. No damagewill occur if thepowerwires are reversed. (However, the unitwillnotworkuntilthe wires are attachedcorrectly.)
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FISHl.D. PLUS |
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FUSE |
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HOLDER |
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FROM |
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SPEED/TEMP |
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SENSOR |
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12VOLT |
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BATrERY |
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FISK LD. |
FUSE |
12 VOLT
BAIlERY
CONE ANGLE - Angleof thetransducers cone of sound. Eaglehas transducers available with coneanglesfrom 8to45degrees tosuitthe
varyingneeds offishermen.
CRT - Abbreviation forCathode Hay Tube. SeeVideoGraph. |
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DEFINITION- The |
ability |
of a sonar unit's |
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displayto show detail. |
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display with high definition can show more detail than one with low definition.
DISCRIMINATION - A feature available on Eagle LC.G.'sand
paper graphs thatseparatesfalseechoesfromtruetarget informa- tion. The Discrimination feature on Eagle sonar units removes
many false signals from other sonars, acoustic and electrical sources, and more.
FISHALARM-Analarm thatactivates whenafishor suspended object is detected.
FISK ARCH-A sonarwith good resolution and definition can display suspended targetsas upsidedown "Vees" or arches. These signals are typicallyfish, hence the name "Fish Arch". See page 20 for more
information.
FLUSH MOUNT -Atransducer that is installedwith the bottomofthe transducerflushwith the bottom ofthe hull.
GIMBAL BRACKET- A bracket used to install a sonar unit perma- nently. The sonar unit can rotate in the bracket for the best viewing angle.
GRAYLINE This feature showsthe relative strength of signals dis- playedonthe screen. Signals weakerthantheGRAYLINE setting are
displayedin black, stronger targetsare gray. givesclues to the compositionofthe bottom. In otherwords,you can tell ifthe bottomis soft or hard. Ahardbottomreturns astrongsignalcausingawide gray
line. A soft, muddy or weedy bottomreturnsa weakersignal whichis emphasized with a narrowgray line.
IN-DASH - A sonar unit installed through a hole in the boat'sdash. Usually,theface ofthesonar isflush or nearlyso with the dash.
kHz- Kilohertz. Ameasurement of frequency. Your Eagle sonar oper- ates at 192 Kilohertz. (192,000 cycles persecond).
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SPECIFICATIONS |
5 7/8"Hx 73/4"Wx3 7/16"D |
Dimensions |
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Weight |
1 3/4 pounds |
Transmitter frequency |
192 kHz |
Output Power (typical) |
275 watts peakto peak |
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34.4 watts RMS |
Receiver Sensitivity |
82 db temperature stabilized |
Operating Current |
200 ma (lightsoff) |
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500 ma (lightson) |
Operating Voltage |
9-15vdc |
Numberof pixels |
50 x 27 |
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(verticalx horizontal) |
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1350 Total |
Display Scroll Speed |
.5"perminute(minimum) |
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32" perminute (maximum) |
Maximum Chart Range |
180feet |
Maximum Digital Range |
400 feet |
GLOSSARY
ANCHOR WATCH - A setting of the sonar unit'salarm. The alarm activates whenthe boat drifts into shalloweror deeperwaterthan the
alarm set points.
BACK-LIGHTED- A displayor keyboardilluminated frombehindby a light. Back-lighted displays areessential whennightfishing or navigat-
ing.
CAVITATION - Air bubbles createdby the high speed movement of a boat or transducer through water.
CHARTSPEED - (1) The speed pfthe chart paperon a papergraph recorder. (2) The speed of an image across the screen of a liquid
crystalgraph. (Also called "scroll speed").
SPEED/TEMPERATIJ RE SENSORINSTALLATION
Fish l.D. Plus Only
Mountthespeed/temp sensor ontheboat'stransomina locationwhere the flow ofwateris smoothest. There shouldbe a minimum amountof
turbulenceand airbubbles inthechosenlocation.Theport (left)side of
preferred, however thestarboard(right) side can beused
Do not mount the speedsensorbehindstrakes, ribs, or
thru-hullfittingsthatwill disturb the flowofwatertothespeedsensor. In the speedsensoris mountedsix to twelveinches
fromthe centerline ofthe boat. The sensormust be in thewater at all
times to functionproperly. Makecertain the chosenlocationis in the water evenat high speed or whenthe boat is on plane.
Oncethe proper location has been determined, placethe sensoronthe transom withthe bottom ofthesensorflushwith thebottomofthe hull.
Mark thetransomin thecenter of each slot and drill a 5/32" mounting hole. Mountthe sensorto the hull with the screws providedwith the
sensor. Use a good grade of caulking compoundto seal the screws.
Adjustthe senor so it is flushwith the undersideofthe hull and tighten the screws.
Ifthe baseofthetransom hasaradius,fillthegép betweenthetransom andthe sensorwith caulking compound to insurea smoothwaterflow.
Route the sensor cable to the in-line connectoron the sonar unit's powercableand attach it.
SECURELY A1TACH |
GOOD SPEEDITEMP |
SENSOR LOCATION |
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CABLE |
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ToTRANSOM |
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