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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To suppress interference, do the following: Always wear safetygoggles and a dust mask. Display unitHow to remove the hard cover1. Theprocedure for this is shown later. Mounting location To ensure the best performance, the sensor must be submerged in aeration-free and turbulence-free water. When the power is reappliedafter turning off the equipment withminimum brilliance, minimum brilliancewill be set after the equipment goesthrough its initial start up.

Establishing the groundLocknutThe ground wire 1. The auto mode in use is shown as Auto-Fishing or Auto-Cruising at the top left corner fruuno the screen.

Page of 48 Go. Sediment in the water or reflectionsfrom plankton may be painted on thedisplay in low intensity tones.

UPC – Furuno LS/TM LS Fish Finder |

Shifting the range Furkno basic range may be shifted up or down in the manual mode as follows: Therefore, the 50 kHz frequency is useful for general detection and judging bottom condition. Do not disassemble or modify theequipment. LowAuto mode options window4. Choose On to output input data. Turn the battery voltage indication appears at the top right corner on the screen on or off. Page 31 submerged, even when the furuo is rolling, pitching or up on a plane at high speed.


FURUNO LS4100 Fishfinder

Construction of fairing block 3. Page 19 Registering a waypoint on thescreen1. No user-serviceable parts inside. Position thecover over the cable where it entersthe hull. Page 9 Single frequency displayDual frequency display50 kHzThe 50 kHz picture appears on the left;the kHz picture on the right.

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Contact yourdealer for connection ofother equipment. Fill the gap between the wedge front of the transducer and transom with epoxy material to eliminate any air spaces.

Furuno LS-4100 Manuals

Adjust the brilliance asnecessary. Sandpaper Silicone sealant Silicone grease Remarks on installation If excessivenoise shows on the screen, the groundmay be inadequate. Leave slack in cables to facilitate checking and maintenance. Window can be shifted up and down to select the depth. Page 36 Transom hole: Main, System and Installation. To print the manual completely, please, download it. If the depthindication is unstable in automaticoperation, or the bottom echo cannot bedisplayed in the darkest gray tone byadjusting the gain controls in manualoperation, you may adjust the bottomecho level detection circuit, for both 50kHz and kHz, to stabilize theindication.


Fire or electrical shock can result if thepower is left on. In the dual frequency furjno, theA-scope display is only available withthe high frequency display. Do not position the sensor farther into the water than necessary to avoid increasing drag, spray, and water noise and reducing boat speed.

Outputs the data sentences of LS and sentences which are input from other equipment.

Manual – Furuno LS Fishfinder

La tableIf…neither echo norfixed range scaleappearsno echo appearsbut the fixedrange scaleappears1. Below is thebasic menu operating procedure. Necessary tools You will need the following tools: Forplaning hulls, a practical location isgenerally rather far astern, so that thetransducer is always in waterregardless of the planing attitude. Therefore, the 50 kHzfrequency is useful for general detectionand judging bottom condition.

Page 48 All rights reserved. Position the cover over the cable where it enters the hull.

Therefore, whenconnecting eternal equipment havingpositive ground, do not ground thesignal line to the chassis. Repeat step 1 to ensure that the angle of the sensor is correct.

Use the specified power cable. If a hole has been drilled in thetransom, open the appropriate slot inthe transom cable cover.

Only qualified personnel should workinside the equipment.