The Furuno LS is the little brother to the LS with a slightly smaller screen size, but with all of the power and features to satisfy both entry level and more. Furuno LS Fishfinder is a high contrast monochrome fishfinder with a large screen designed for small craft. Furuno LS has 5 display pages including. The Furuno LS is a dual frequency fish finder designed for small pleasure craft. It features a waterproof 5” high-definition silver bright LCD.

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Therefore, the 50 kHz frequency is useful for general detection and judging bottom condition. A special connector is required to test the NMEA port.

The time remaining until power is turned off is counted down on the screen. The display unit can be installed on adesktop, on the bulkhead or flushmounted in a panel. Do not use this method on an inboardmotor boat because turbulence iscreated by the propeller ahead of thetransducer. Setting Up Nav Data Displays 1. This may require a certain amount of experimentation for fine tuning at high cruising speeds.

Page 13 Basic ranges default 3. For any NG,request service. Press the [MARK] key. Drill a hole just large enough to pass the threaded stuffing tube of the transducer through the hull, making sure it is drilled vertically. Page 19 Registering a waypoint on thescreen1. Position the second cable clamp halfway between the first clamp and the cable hole.


Page 31 submerged, even when the boat is rolling, pitching or up on a plane at high speed. Ffuruno other than depthrequires appropriate sensor. Data is output at two-second intervals. Page 36 Transom hole: The waypoint list appears,with the erased waypoint blank. Tell us about it. In the dual frequency display, theA-scope display is only available withthe high frequency display.

Maneuvering the vessel in this conditionmay result in a dangerous situation.

No user-serviceable parts inside. Got it, continue to print. For twin drive boat, mountbetween the drives. Construction of fairing block 3. Mount the sensor close to the centerline of the boat.

Therefore, the 50 kHzfrequency is useful for general detectionand judging bottom condition.

FURUNO LS4100 Fishfinder

Adjusts display contrastand brilliance. Do not install the equipment whereair bubbles and noise are present. Enter text from picture: Use the proper gain setting. Sandpaper Silicone sealant Silicone grease Remarks on installation Troubleshooting tableIf…neither echo norfixed range scaleappearsno echo appearsbut the fixedrange scaleappears1. The lower the frequency of the signal, the wider the detection area.


Furruno windows other thanthose on menus are erased if there isno operation within about sevenseconds. To reset the odometer to zero,clear the memory. Fire, electrical shock or serious injurycan result. Coat with silicone sealant. Automatic function permits unattended adjustment of range and gain.


Turn the battery voltage indication appears at the top right corner on the screen on or off. Adjusting the gainftftftftft60ft30ft15ftThe [GAIN] key furunno the sensitivity ofthe receiver.

When the bottom depthincreases, the display shift to keep thebottom echo at the lower part of thescreen. Electronic chart display and information system pages.

Mounting location To ensure the best performance, the sensor must be submerged in aeration-free and turbulence-free water.

For any NG, request service. Establishing the groundLocknutThe ground wire 1.

Table of Contents Add to my manuals Add. Sediment in the water or reflectionsfrom plankton may be painted on thedisplay in low intensity tones. The transmission speed for both input and output is bps.