Eagle Electronics 640C, 640cDF manual Shoot-Thru-Hull Installation

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If you can't get an acceptable bottom signal, try turning up the sensitivity by three or five keystrokes and then move the transducer around once more. If you find a spot that works, mark it and move on to step 4.

If you have to turn up sensitivity by more than five keystrokes to get a good signal, the transducer should be mounted on the outside of the hull. This is especially true if you have to turn sensitivity all the way up to get a decent bottom signal.

4.Most people can get good results by following steps 1 through 3, so this step is optional. If you want to make an extra effort to be absolutely sure that your selected location will work under all conditions, make a test run with the boat on plane and observe the bottom signal.

You'll need to figure some way to prop the transducer into position while you make your test run. (A brick or two might be sufficient to hold it in place.)

5.When you're satisfied with a location, mark it and proceed with the installation.

Shoot-Thru-Hull Installation

If you are installing the transducer on a hull with floatation material sandwiched within the hull, refer to the text "Hulls With Flotation Ma- terials" beginning on page 24.

1.Make sure the area is clean, dry and free of oil or grease, then sand both the inside surface of the hull and the face of the transducer with

100grit sandpaper. The sanded hull area should be about 1-1/2 times the diameter of the transducer. The surface of the hull must be flat so the entire transducer face is in contact with the hull prior to bonding. After sanding, clean the hull and transducer with rubbing alcohol to remove any sanding debris.

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Contents FishElite 640c & SeaCharter640cDF Copyright 2005 LEI-Eagle All rights reserved Table of Contents Sonar Options & Features Basic Sonar Quick ReferenceBasic GPS Quick Reference 100 Sonar Troubleshooting Basic GPS OperationsAdvanced GPS Operations 119 System & GPS Setup 131 Searching 161 Supplemental Material 175Page Read Me First How this manual can get you out on the road, fastPage Back-up memory GeneralSonar Sonar Sounding Audible alarmsPosition updates Depth capabilityHow Eagle Sonar Works Graphic symbols for Waypoints or eventPosition points How GPS Works Introduction to GPS and Waas Page Page Sonar Viewer Free Training Aids AvailableEmulator Arrow Keys How to use this manual typographical conventionsMenu Commands KeyboardPage Transducer Installation PreparationsSelecting a Transducer Location How low should you go? Pad Deadrise less than StrakesTransom Shoot-Thru-Hull vs. Transom MountingTransducer centerline Hull bottom Assembling the bracket Transom Transducer Assembly and MountingDot Alignment letters Positions Transducer Aligning the transducer on the transomTransducer bracket RatchetRatchet Nut RatchetsBolt Flat washerMetal Nut Washer Rubber Assembling the transducerDrilling mounting holes WashersAttaching transducer to transom Bottom Hull Flat-bottom hull Deep-vee hullTrolling Motor Bracket Installation single-frequency only Internal tooth washer TMB-S bracket Bolt Nut Flat washerTransducer aimed Transducer Orientation and Fish ArchesPartial fish arches Too far backShoot-Thru-Hull Preparation Testing Determines Best LocationHulls With Flotation Materials True bottom Second bottom Manual range setting Transducer location High speed Trolling speedShoot-Thru-Hull Installation Epoxy transducer to hull Speed/Temperature Sensors Accessory Sonar unit rear view Optional Speed Sensor InstallationSocket Good location Transom Bottom of hullPower Connections Antenna/Receiver Module Installation Mounting the Unit Bracket, In-Dash or Portable Nmea WiringNmea Cable Connections Orange ReceiveBracket Installation Front 173.9 77.1 27.6 137.9 Millimeter 56.9 Inch113.5 In-Dash Installation146.5 Millimeters InchesPortable Installation MMC or SD Card Memory Card InstallationCell battery To add an MMC or SD Card Other AccessoriesTo remove an MMC Thumb ScrewInsert card face up, this wayMapCreate 6 CD-ROM left. MMC card reader for USB ports right Page Basic Sonar Operation KeyboardPower/lights on and off Main MenuMain Menu Pages Satellite StatusNavigation MapSonar Depth scale Zoom bar FasTrack bar graph Bottom signal Page Basic Sonar Quick Reference Sonar Operations To adjust sensitivity To Restore Default Settings Fish Symbols vs. Full Sonar ChartASP Advanced Signal Processing To change the ASP levelDepth Alarms AlarmsTo adjust and turn on the shallow alarm To adjust and turn on the deep alarm Zone AlarmTo adjust and turn on the zone alarm To turn on the fish alarm Fish AlarmCalibrate Speed To change chart speed Chart SpeedColorLine To adjust the ColorLine level To change the information displayed on your screen Customize Page DisplaysThin or no ColorLine Wider ColorLine Depth Cursor Cursor line Depth boxDepth Range Automatic To switch to Manual Depth RangeDepth Range Manual FasTrack Fish I.D.To turn on the Fish I.D. feature FishTrackTo turn on FishTrack Frequency SeaCharter onlyFish Symbols With FishTrackTo change the frequency setting to 200 kHz Log Sonar Chart DataTo change the frequency setting to 50 kHz HyperScrollNoise Rejection To record or log chart dataOverlay Data To overlay information on your screen To remove overlaid data To move overlay dataTo change displayed data font size Ping Speed & HyperScrollSteering arrow To change Ping Speed To turn off HyperScrollReset Options Reset Water DistanceSet Keel Offset Sensitivity & Auto Sensitivity To adjust sensitivity in auto modeAutomatic Sensitivity To change the chart mode color scheme Sonar Chart ModeTo adjust sensitivity in manual mode To turn Auto Sensitivity back onSonar Page & Sonar Chart Display Options Full Sonar ChartDigital Data Split Zoom Sonar ChartCustomizing the Digital Data Page Sonar Simulator Map With SonarTitle bar with chart file name Play symbol flashing Stop Chart Surface ClarityZoom & Zoom Bar To adjust the Surface Clarity levelSurface clutter Zoom Pan Unit wont turn on Unit freezes, locks up, or operates erraticallyNo fish arches when the Fish I.D. feature is off NoisePage Page Basic GPS Operations Power/lights on and off Main Menu Map Page display options Page Navigation Page Map Page Background map vs. MapCreate map content Marker School POI Restaurant Minor Interstate Major Street Cursor line StreetsPop-up Position, distanceResize Window command Page Basic GPS Quick Reference Moving Around the Map Zoom & Cursor Arrow Keys Find Your Current PositionSelecting Any Map Item With the Cursor SearchingAfter the unit has acquired a position, press WPT↓ to POI Set a Waypoint To create and save a Waypoint Create Waypoint at Current PositionCreate Waypoint on Map StepCreate Waypoint by Entering a Position Navigate To a Waypoint Navigate Back to MOB Waypoint Set Man Overboard MOB WaypointNavigate to Cursor Position on Map 109 Navigate to a Point of Interest Creating and Saving a TrailDisplaying a Saved Trail Visible Active Symbol symbolTo Save a Trail Visual Trailing Navigating TrailsTo turn off trail display Navigate a TrailPage Alarm Track or compass heading indicator TrailWaypoint Symbol Off course Trail IndicatorCustom Maps Transfer Custom Maps and GPS Data FilesNavigate a Back Trail GPS Data filesDataent Page Cancel Navigation Find Distance Current Position to Another Location Find Distance From Point to PointCreate Icon at Current Position IconsCreate Icon on Map Delete an IconRoutes Navigate to an IconPC-created Routes Create and Save a RouteRoutes Created in the Unit 123 Press ↓ to saved route nameENT Delete a RouteTo Delete All Routes at Once Edit Route Waypoints Edit a Route NameHighlight Saved Route NameENT↑ to NameENT Navigate a RouteNavigate a Route in Reverse Trails Utilities WaypointsEdit a Waypoint To edit waypoint name To edit waypoint symbolTo delete a waypoint from the map To edit waypoint positionSet a Waypoint by Average Position Selecting a WaypointSet a Waypoint by Projecting a Position System & GPS Setup To change alarm settingsTo set Com Port Configuration Communications Port ConfigurationCheck MMC Files and Storage Space Configure Nmea Press MENUMENU↓ to GPS Setupent Coordinate System SelectionTo setup Loran TD Map FixTo configure a map fix Customize Satellite Status Customize Navigation GPS SimulatorCustomize Map To get to the GPS Simulator Simulating Trail or Route NavigationPress MENUMENU↓ to GPS Setupentent Hide GPS FeaturesInitialize GPS Map Data Map Auto ZoomEarth Map Detail Draw Map Boundaries Map Datum SelectionPop-up Map Information Fill Water With WhiteMap Detail Category Drawn To change the DatumTo get to Map Categories Drawn Map OrientationTrack Up mode, map shows N show which direction is north NauticPath USA Marine Charts Nautical Chart NotesTo view Chart Note information Port InformationPort Services icon Pop-up name box To view Port Services informationTidal Current Information Current Time Line Velocity Tidal Current Station icon in animated mode Cursor linesTo view Tidal Current information ScaleTo select another date Cursor lines Tide Station Icon in ani Mated modeTide Information Current Time Line Navionics ChartsTo view tide information Line Tide Table Height ScaleTo display a Navionics chart Pop-up HelpTo reset unit to factory defaults Require WaasPress MENUMENU↓ to GPS SETUPENT↓ to Require Waasent To adjust the displays brightnessTo adjust the screens display mode Screen Contrast and BrightnessSet Local Time Show Waas AlarmSet Language To select a different languagePress MENUMENU↓ to GPS SETUPENT↓ to Show Waas Alarm To turn off Waas alarmSoftware Version Information Sounds Menu To adjust Sounds and Alarm StylesTrack Smoothing Trail Options Update Trail OptionGeneral Trail Options Trail Update Rate 158New Trail TransparencyDelete Trail Trail Visibility and Other Trail OptionsUnits of Measure To adjust Transparency levelTo change the units Searching Find Addresses 163 Find Any Item Selected by Map Cursor Find Interstate Highway Exits NameENT Find Map Places or Points of Interest POI Find by nearest option left with resulting POI list right Find Streets or Intersections Find a StreetFind an Intersection 171 Find Waypoints Page 174 Supplemental Material Datums Used by This Unit 176 177 178 FCC Compliance 180 181 182 Eagle Databases License Agreement Databases Limited Warranty Eagle Electronics Full ONE-YEAR Warranty How to Obtain Service… Not toll-freeAccessory Ordering Information for all countries Visit our web site
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640c, 640C, 640cDF specifications

Eagle Electronics has made a significant mark in the world of marine electronics with its innovative and reliable products, notably the Eagle Electronics 640C, 640cDF, and the 640c models. These devices are designed for anglers and navigators who seek advanced functionality combined with user-friendly operation.

The Eagle Electronics 640C is a high-performance fish finder that is primarily admired for its vibrant display and precise mapping capabilities. Equipped with a 640x480 pixel, full-color LCD screen, it provides crystal-clear visibility even in bright sunlight. This device uses advanced sonar technology to offer detailed underwater images, allowing users to locate fish with remarkable accuracy. The high-resolution graphics enhance the experience while providing an intuitive interface for easy navigation through its various features.

The 640cDF, a variant of the 640C, elevates the standard fish finder experience by incorporating dual-frequency sonar capabilities. This model operates on both 200 kHz and 83 kHz frequencies, allowing users to switch between narrow and wide beams based on their fishing needs. The dual-frequency technology provides a more comprehensive view of the underwater environment, making it easier to identify different types of fish and underwater structures. Additionally, the 640cDF boasts temperature sensing capabilities, giving anglers valuable data regarding water conditions that can influence fish behavior.

All models in the Eagle 640 series feature built-in GPS navigation. The integrated GPS provides a reliable mapping system that allows users to mark waypoints and create routes, significantly improving navigation efficiency. This technology is vital for those who engage in long-distance fishing trips or travel in unfamiliar waters. The GPS functionality, combined with the sonar capabilities, makes these devices essential tools for successful fishing excursions.

Furthermore, the Eagle 640 series devices come equipped with customizable display options, allowing users to tailor the information presented based on their preferences. The intuitive menu system simplifies the navigation of the device's various features, empowering users to quickly access critical data without unnecessary complications.

In summary, the Eagle Electronics 640C, 640cDF, and the 640c represent a blend of cutting-edge technology and user-centric design in the marine electronics space. With features such as high-resolution displays, dual-frequency sonar, built-in GPS navigation, and customizable settings, these devices enhance the fishing experience, making them invaluable assets for anglers and navigators alike.
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