Always wear safetygoggles and a dust mask. Setting windows other thanthose on menus are erased if there isno operation within about sevenseconds. To suppress interference, do the following: Construction of fairing block3. Apply a sufficient amount of high quality caulking compound to the top surface of the transducer, around the threads of the stuffing tube and inside the mounting hole and fairing Theprocedure for this is shown later.

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Page 3 A warning label is attached to the equipment. Do not remove the label. No user-serviceable parts inside. Page 4 The installer of the equipment is solely responsible for the proper installation of the equipment. Use the specified power cable. Page 5: Foreword Comprised of a display unit and a transducer, the LS displays underwater conditions on a bright 5-inch monochrome LCD. Automatic function permits unattended adjustment of range and gain. The unit beeps, the startup screen appears, and then the equipment checks the ROM and RAM for proper operation and displays program number.

The time remaining until power is turned off is counted down on the screen. Page 9: Dual Frequency Display Single frequency display 50 kHz The sounder uses ultrasonic signals to detect bottom conditions.

The lower the frequency of the signal, the wider the detection area. Therefore, the 50 kHz frequency is useful for general detection and judging bottom condition. This mode is useful for determining bottom contour. When the bottom depth increases, the display shift to keep the bottom echo at the lower part of the screen. Page Menu Operating Procedure 1. Below is the basic menu operating procedure.

Page 1 or Page 2 of the main menu appears depending on the page last used. Page Manual Operation 5. The auto mode in use is shown as Auto-Fishing or Auto-Cruising at the top left corner on the screen. Page 13 Basic ranges default 3.

Shifting the range The basic range may be shifted up or down in the manual mode as follows: Window can be shifted up and down to select the depth. Display Range and display shift concept 1. Page Measuring Depth 1. Page Suppressing Interference 1. To suppress interference, do the following: 1. Page Erasing Weak Echoes 1. Appearance of weak echoes These weak echoes may be erased as follows: 1. Page Alarms 1. The water temperature, arrival and speed alarms require appropriate sensors.

Page Waypoints 8. Depth, temperature, speed setting window Page 19 3. Press the [MARK] key again. Page 23 4. Fish school clearly shown White line Page Menus 2. Page 25 Requires appropriate nav data. Page Maintenance, Troubleshooting 3. Only qualified personnel should work inside the equipment. Checking the items listed in the table below monthly will help keep your equipment in good shape for years to come. Page Troubleshooting 3.

Troubleshooting table If… Then check … neither echo nor battery voltage. Page Test Pattern 4. For any NG, request service. A special connector is required to test the NMEA port. Nothing appears if no connector is connected. Page Installation 4. When choosing a location keep the following in mind: Keep the display unit out of direct sunlight.

Page 31 submerged, even when the boat is rolling, pitching or up on a plane at high speed. For planing hulls, a practical location is generally rather far astern, so that the transducer is always in water regardless of the planing attitude. Page Transom Mount Transducer Construction of fairing block 3.

Drill a hole just large enough to pass the threaded stuffing tube of the transducer through the hull, making sure it is drilled vertically. Apply a sufficient amount of high quality caulking compound to the top surface of the transducer, around the threads of the stuffing tube and inside the mounting hole and fairing This may require a certain amount of experimentation for fine tuning at high cruising speeds.

Fill the gap between the wedge front of the transducer and transom with epoxy material to eliminate any air spaces. Necessary tools You will need the following tools: Sandpaper Silicone sealant Silicone grease Remarks on installation Page Optional Triducer 3. Mounting location To ensure the best performance, the sensor must be submerged in aeration-free and turbulence-free water.

Mount the sensor close to the centerline of the boat. Page 37 Warning: Always wear safety goggles and a dust mask. Page 38 4. Repeat step 1 to ensure that the angle of the sensor is correct. Note: Do not position the sensor farther into the water than necessary to avoid increasing drag, spray, and water noise and reducing boat speed. Position the second cable clamp halfway between the first clamp and the cable hole. Mark this mounting hole.

If a hole has been drilled in the transom, open the appropriate slot in the transom cable cover. Position the cover over the cable where it enters the hull. Page Wiring Coat with silicone sealant. Refer to the interconnection diagram to connect cables. Leave slack in cables to facilitate checking and maintenance.

Page Iec Data Sentences 4. The transmission speed for both input and output is bps. Data is output at two-second intervals. Input data sentences Page Installation Menu Choose On to output input data. Off: Outputs the data sentences of LS only.

On: Outputs the data sentences of LS and sentences which are input from other equipment. To restore normal operation, turn off the power and then turn it on again.

Note: WAAS is currently in the developmental phase. During the developmental phase the reliability and availability of the WAAS signal cannot be guaranteed.

Therefore, any position data should be verified against other sources to confirm reliability.


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