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Furuno LS4100 Fish Finder with Transom Mount Transducer
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Furuno LS4100 Fish Finder with Transom Mount Transducer

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Manufacturer # LS4100/TM
Our Stock # MP63487536
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FeaturesSpecificationsFuruno LS4100 Fish Finder with Transom Mount Transducer Reviews  
The LS4100 is a dual frequency fish finder designed for small pleasure craft. It features a waterproof 5 high-definition silver bright LCD screen that offers a remarkably detailed picture of fish and bottom structure. With a resolution of 240 (H) x 320 (V) pixels, it has the highest resolution in its class! The LS4100 offers dual frequency capabilities, both 50 and 200 kHz, and has an outstanding 300 W RMS (2,400 Watt peak-to-peak) output power, making this fish finder the leader in its class.

Basic display modes include single Low Frequency or High Frequency, Dual, Bottom-Lock Expansion, Bottom Zoom, A-scope, Marker Zoom and two Nav Data display modes. Choose from a variety of operating modes, including manual or two auto modes, fishing or cruising. The cruising mode uses a higher clutter refection setting than the fishing mode, making it useful to track the bottom while cruising.

The range can be changed manually or automatically. The LS4100 will redraw the entire echogram so that the contour can be shown seamlessly.

The LS4100 has the unique ability to be a handy navigational organizer when connected to appropriate sensors. It can display a variety of information including: water temperature, wind direction/speed, Lat/Lon, XTE and distance run in a graphical or text format. With the BBWGPS GPS/WAAS receiver connected, the Mini-Navigator feature is capable of storing up to 12 waypoints with a programmable name. Any waypoint can be selected as a destination.

The LS4100TM comes standard with a dual frequency (50/200kHz) plastic transom mount transducer. The transducer has built in depth and temperature.

Standard Features
  • Waterproof, 5 Inch, Silver Bright Monochrome LCD Display
  • Dual Frequency - 50 and 200 kHz
  • Plastic Transom Mount Transducer with Depth and Temperature
  • Targets presented in up to 4 gray tones
  • Picture resolution of 240(H) x 320(V) pixels
  • 300 Watt RMS (2400 P-P) output power
  • Seven depth scales, from 0-10 to 0-640 feet
  • Depth offset to 1,500 feet, maximum depth scale of 3,000 feet
  • Automatic or Manual Depth Range and Gain Adjustment
  • A-Scope for rapid fish detection and species identification
  • White Line Mode for enhanced bottom fish detection
  • Audible and Visual, Temp, Speed, Fish or Bottom Alarm
  • TLL output sends position, temp and depth to Furuno TLL capable plotters
  • Multiple Display Modes

    1. Normal, Low Frequency/High Frequency

    2. Dual Frequency

    3. Bottom Lock Expansion

    4. Marker Zoom

    5. Bottom Zoom

    6. A-Scope

    7. Two Customizable Navigation Data Display - Displaying digital and analog graphical info, including: Wind Speed/Direction, Ship's Speed, Steering Screens and more
  • Speed and Temperature input via optional sensor or NMEA data
  • Mini Navigator allows storage of up to 12 waypoints, with capability to navigate back to these points using the LS4100's XTE/Range and Bearing calculation and steering screens
  • Two NMEA0183 ports - one bi-directional and one "listen-only"

Shipping Information
  • 7Lbs., 1 Carton including TM transducer - Single unit
  • 34 Lbs., 1 Carton including TM Transducers - 6 units per carton

Power Requirements
  • 12 VDC, 6 Watts

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  • Manufacturer: PrecisionPak
  • Manufacturer Part Number: RTJ04-2XL
  • Dimensions: " Height x " Width x " Depth
  • Standard Warranty: 0Year(s)
  • Furuno LS4100 Fish Finder with Transom Mount Transducer Reviews


    by PowerReviews
    Furuno LS4100 Fish Finder with Transom Mount Transducer

    (based on 1 review)

    Reviewed by 1 customer

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    Bad readings in shallow water!

    By Robert

    from Richmond, VA

    About Me Outdoor Enthusiast



      • Inaccurate

      Best Uses

        Comments about Furuno LS4100 Fish Finder with Transom Mount Transducer:

        I get wrong depth readings with the Furuno LS4100 Echo Sounder when in shallow water. (The transducer is their 525T-PWD transom mount device.) This is water less than 5 feet in depth. This applies to both fresh water and salt water. This is especially so in silty salt water. I boat mainly at the mouth of the Chesapeake Bay along the Chesapeake Bay Bridge Tunnel and the Eastern Shore Barrier Islands of VA. At some locations, I'm in 40-60 feet of water. In other locations, I'm frequently in ocean shoal areas with ocean swells breaking. This is a very dangerous environment to be in, especially when currents and/or wind are blowing my boat toward the breakers. I also get wrong depth readings at various boat ramp sites (both fresh and salt waters). The readings frequently bounce around with readings that are too high, sometimes double the value. I've experimented with changing the GAIN setting, and this fails to give better readings.
        A reputable electronics department in the Richmond VA area tells me that this device is too powerful for the type of boating that I do. It's for "blue-water boating". Well, such boating still requires reliable readings when passing thru dangerous ocean inlets.
        I have no faith in this Furuno product, and do not recommend it.

        • Primary use:
        • Personal
        • Was this a gift?:
        • No

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