Eagle Electronics 640C, 640cDF manual Sonar

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Map Page showing position on Bull Shoals Lake, Arkansas. The full

map option (left). Map with sonar option (right).

Map Page is also the default screen that appears when you turn on the unit. To get to the Map Page from another page press PAGES ← → to MAPEXIT.

You can display a split screen showing both the Map and Sonar pages at the same time. This feature is discussed in Sec. 4, Sonar Options & Other Features.

The Map Page represents a GPS function, so it is discussed in much greater detail in Sec. 6.

Sonar Page

The Sonar Page displays the sonar chart. This is a cross-section view of the water column beneath the boat. The chart moves across the screen, displaying sonar signal echoes that represent fish, structure and the bottom.

To get to the Sonar Page press the PAGES key, then use ← → to select SONAR. The Sonar Pages Menu offers four chart display options: Full So- nar Chart, Split Zoom Sonar Chart, Split Frequency Sonar Chart and Digital Data. From the Sonar Page menu you can select one of the chart options by pressing ↓ to the desired displayEXIT.

The Sonar Page also has its own menu, which is used for some advanced functions and for setting various options. Sonar Options and other fea- tures are discussed in Sec. 4. To Access the Sonar Page menu, from the Sonar Page press MENU.

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Contents FishElite 640c & SeaCharter640cDF Copyright 2005 LEI-Eagle All rights reserved Table of Contents Sonar Options & Features Basic Sonar Quick ReferenceSonar Troubleshooting Basic GPS Operations Basic GPS Quick Reference 100Advanced 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 General Back-up memorySonar Sonar Sounding Audible alarmsPosition updates Depth capabilityGraphic symbols for Waypoints or event How Eagle Sonar WorksPosition points How GPS Works Introduction to GPS and Waas Page Page Free Training Aids Available Sonar ViewerEmulator 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 StrakesShoot-Thru-Hull vs. Transom Mounting TransomTransducer centerline Hull bottom Transom Transducer Assembly and Mounting Assembling the bracketDot Aligning the transducer on the transom Alignment letters Positions TransducerTransducer 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 backTesting Determines Best Location Shoot-Thru-Hull PreparationHulls 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 Optional Speed Sensor Installation Accessory Sonar unit rear viewSocket 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 InchesMMC or SD Card Memory Card Installation Portable 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 levelAlarms Depth AlarmsTo adjust and turn on the shallow alarm Zone Alarm To adjust and turn on the deep alarmTo adjust and turn on the zone alarm Fish Alarm To turn on the fish alarmCalibrate Speed Chart Speed To change chart speedColorLine To adjust the ColorLine level Customize Page Displays To change the information displayed on your screenThin or no ColorLine Wider ColorLine Depth Cursor Cursor line Depth boxTo switch to Manual Depth Range Depth Range AutomaticDepth 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To record or log chart data Noise RejectionOverlay Data To overlay information on your screen To remove overlaid data To move overlay dataPing Speed & HyperScroll To change displayed data font sizeSteering arrow To change Ping Speed To turn off HyperScrollReset Options Reset Water DistanceSet Keel Offset To adjust sensitivity in auto mode Sensitivity & Auto SensitivityAutomatic 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 ChartSplit Zoom Sonar Chart Digital DataCustomizing the Digital Data Page Sonar Simulator Map With SonarTitle bar with chart file name Play symbol flashing Stop Chart Surface ClarityTo adjust the Surface Clarity level Zoom & Zoom BarSurface 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 PositionStep Create Waypoint on MapCreate Waypoint by Entering a Position Navigate To a Waypoint Set Man Overboard MOB Waypoint Navigate Back to MOB WaypointNavigate to Cursor Position on Map 109 Navigate to a Point of Interest Creating and Saving a TrailVisible Active Symbol symbol Displaying a Saved TrailTo 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 IconCreate and Save a Route PC-created RoutesRoutes Created in the Unit 123 Delete a Route Press ↓ to saved route nameENTTo 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 positionSelecting a Waypoint Set a Waypoint by Average PositionSet a Waypoint by Projecting a Position System & GPS Setup To change alarm settingsCommunications Port Configuration To set Com 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 GPS Simulator Customize NavigationCustomize Map To get to the GPS Simulator Simulating Trail or Route NavigationHide GPS Features Press MENUMENU↓ to GPS SetupententInitialize GPS Map Auto Zoom Map DataEarth Map Detail Draw Map Boundaries Map Datum SelectionPop-up Map Information Fill Water With WhiteMap Detail Category Drawn To change the DatumMap Orientation To get to Map Categories DrawnTrack Up mode, map shows N show which direction is north NauticPath USA Marine Charts Nautical Chart NotesTo view Chart Note information Port InformationTo view Port Services information Port Services icon Pop-up name boxTidal Current Information Current Time Line Velocity Tidal Current Station icon in animated mode Cursor linesTo view Tidal Current information ScaleCursor lines Tide Station Icon in ani Mated mode To select another dateTide 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 languageTo turn off Waas alarm Press MENUMENU↓ to GPS SETUPENT↓ to Show Waas AlarmSoftware Version Information To adjust Sounds and Alarm Styles Sounds MenuTrack Smoothing Update Trail Option Trail OptionsGeneral Trail Options Trail Update Rate 158New Trail TransparencyDelete Trail Trail Visibility and Other Trail OptionsTo adjust Transparency level Units of MeasureTo 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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