Furuno FSV-35 Operator's Manual
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Furuno FSV-35 Operator's Manual

Color scanning sonar
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OPERATOR'S MANUAL
COLOR SCANNING SONAR
FSV-35
Model
www.furuno.com

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  • Page 1 OPERATOR'S MANUAL COLOR SCANNING SONAR FSV-35 Model www.furuno.com...
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  • Page 3 IMPORTANT NOTICES General • This manual has been authored with simplified grammar, to meet the needs of international us- ers. • The operator of this equipment must read and follow the descriptions in this manual. Wrong op- eration or maintenance can cancel the warranty or cause injury. •...
  • Page 4 SAFETY INSTRUCTIONS The operator of this equipment must read the safety instructions before attempting to operate the equipment. Indicates a hazardous situation which, if not avoided, will result in DANGER death or serious injury. Indicates a potentially hazardous situation which, if not avoided, WARNING could result in death or serious injury.
  • Page 5 SAFETY INSTRUCTIONS CAUTION CAUTION CAUTION CAUTION Observe the following precautions when Maximum speed while the transducer is using industrial use lubricant. projected and being raised or lowered is as below, to prevent damage to the Precautions transducer. Keep lubricant away from eyes. Wear protective goggles when working with the lubricant.

  • Page 6: Table Of Contents

    TABLE OF CONTENTS FOREWORD .........................viii SYSTEM CONFIGURATION ..................ix OPERATIONAL OVERVIEW .................1-1 1.1 Control Description..................... 1-1 1.1.1 Control unit..................... 1-1 1.1.2 Sub control unit (option) ................. 1-2 1.1.3 Remote controller (option)................1-3 1.2 Turning the Power On/Off ..................1-4 1.3 Lowering, Raising the Transducer ................1-5 1.3.1 Lowering the transducer.................
  • Page 7 TABLE OF CONTENTS 2.11 How to Track a School of Fish..................2-20 2.11.1 How to select the target lock mode ..............2-20 2.11.2 Fish mode.....................2-21 2.11.3 Target mark mode ..................2-22 2.11.4 Target lock menu description ...............2-22 2.12 Presentation Mode ....................2-23 2.12.1 Presentation mode description..............2-23 2.12.2 How to select a presentation mode ..............2-24 2.13 How to Detect Schools of Fish Aurally ..............2-24 2.13.1 How to set the bearing .................2-24...
  • Page 8 TABLE OF CONTENTS 3.9.6 Echo average ....................3-14 3.9.7 How to suppress the bottom echo..............3-14 3.10 How to Adjust Beam Width ..................3-15 3.11 Other Menu Items ....................3-16 3.12 Application to Bonito and Tuna Fishing..............3-17 3.12.1 Searching ..................... 3-17 3.12.2 Tracking .......................
  • Page 9 TABLE OF CONTENTS 8.11 Tests...........................8-8 8.11.1 Test menu ......................8-8 8.11.2 Board test .......................8-9 8.11.3 Panel test .....................8-10 8.11.4 Test pattern ....................8-11 8.12 How to Raise the Transducer from the Hull Unit ............8-11 8.12.1 How to raise the transducer automatically ...........8-12 8.12.2 How to raise the transducer manually ............8-13 APPENDIX 1 MENU TREE ..................AP-1 SPECIFICATIONS .....................

  • Page 10: Foreword

    FOREWORD A Word the Owner of the FSV-35 Congratulations on your choice of the FURUNO FSV-35 Color Scanning Sonar. We are confident you will see why the FURUNO name has become synonymous with quality and reliability. Since 1948, FURUNO Electric Company has enjoyed an enviable reputation for quality marine electronics equipment.

  • Page 11: System Configuration

    SYSTEM CONFIGURATION Standard configuration is shown with solid line. Monitor Monitor USB device (mouse, etc.) Junction Box FI-5002 Processor Unit FSV-3503 12-24 VDC NMEA IEC 61162-1 device NMEA IEC 61162-1 device Rectifier Speaker RU-1746B-2 Sub Control Unit 100/110/115/ FSV-853 220/230 VAC, φ...
  • Page 12 SYSTEM CONFIGURATION This page is intentionally left blank.

  • Page 13: Operational Overview

    OPERATIONAL OVERVIEW Control Description 1.1.1 Control unit Tilt lever Scrollwheel V1/S EVENT EVENT Left-click AUTO ESTI- ESTI- button TRAIN CENTER MATE MATE DELETE TARGET FISH SHOOT AUDIO MARK LOCK Right-click button USER PROG DISP MENU/ AUTO H/V/S GAIN RANGE MODE TILT Trackball Function key...

  • Page 14: Sub Control Unit (Option)

    1. OPERATIONAL OVERVIEW Function TARGET Enters target lock mark (horizontal mode). LOCK Enters fish mark (horizontal mode). FISH MENU/ESC Short-press: Opens or closes the menu; returns to the previous menu. Long-press: Closes all menus. AUTO TILT Sets auto tilt angle. DISP MODE Selects display mode.

  • Page 15: Remote Controller (Option)

    1. OPERATIONAL OVERVIEW 1.1.3 Remote controller (option) The remote controller lets you control the sonar from a remote location. Note: Keep the remote controller away from water and water splash. Hook the remote controller to the bracket when it is not in use. Function (on control unit) Same as F1, F2 and F3 key.

  • Page 16: Turning The Power On/Off

    1. OPERATIONAL OVERVIEW Turning the Power On/Off Turning the power on Press the POWER ON ( | ) switch. A beep sounds, and the display changes in the fol- lowing sequence: FURUNO display → model display → board test display. Then lamp above the switch changes as below.

  • Page 17: Lowering, Raising The Transducer

    1. OPERATIONAL OVERVIEW Lowering, Raising the Transducer CAUTION CAUTION Maximum speed while the transducer is projected and being raised or lowered is as below, to prevent damage to the transducer. Projected Raising/ Lowering 1200 mm stroke Max. 18 kn Max. 15 kn 1600 mm stroke Max.

  • Page 18: Panel Dimmer

    1. OPERATIONAL OVERVIEW 1.4.2 Panel dimmer 1. Press the MENU/ESC key to open the main menu. 2. Select [Others] then push the left-click button. 3. Select [Display Setting] then push the left-click button.

  • Page 19: Display Mode, Display Division

    There are four display modes; Horizontal, Horizontal1 + Horizontal2*, Vertical1*, and Vertical 1 + Vertical 2*. *: If the FSV-35 is fitted with dual monitors, you can select how the picture data is shown on two displays; Dual Display or Sub Display. For details, see page 6-3.

  • Page 20: How To Select A Display Mode

    1. OPERATIONAL OVERVIEW 1.5.1 How to select a display mode Press the MODE key several times until the desired display appears. The default modes are Horizontal, Horizontal1 + Horizontal2, Vertical1, and Vertical1 + Vertical2. You can program the MODE key to show any or all of the modes mentioned above. For further details, see page 6-6.
  • Page 21 1. OPERATIONAL OVERVIEW H2 mode This mode provides two horizontal screens (H1 and H2) in one of the configurations shown below. The default configuration, Landscape, shows two horizontal displays, one up and one down. Other configurations available are as shown below. Desired configuration may be selected on [H2 Display] in the [Display Setting] menu.

  • Page 22: How To Adjust The Gain

    1. OPERATIONAL OVERVIEW V1 and V2 modes The V1 and V2 modes show a vertical slice of the bearing selected by the vertical bearing mark on the horizontal display. The vertical 2 mode provides two vertical slic- es. For further details, see chapter 3. NUMERIC/ NUMERIC/ GRAPHIC...

  • Page 23: How To Use The Menu

    1. OPERATIONAL OVERVIEW How to Use the Menu Most operations are carried out from the menu. This section provides basic menu op- erating information. 1. Press the MENU/ESC key to open the main menu. Menu title Select QUIT with trackball and then left click to close the menu.
  • Page 24 1. OPERATIONAL OVERVIEW 6. Select the setting. • (Numeric) Select S to increase the value then push the left-click button (or roll the scrollwheel upward). To decrease the value, select T and push the left-click button (or roll the cursor scrollwheel downward). •...

  • Page 25: Horizontal Mode

    HORIZONTAL MODE Basic Operating Procedure Lower transducer. : Mid protrusion Turn on power. Full protrusion V1/S EVENT EVENT AUTO ESTI- ESTI- CENTER MATE TRAIN MATE SHOOT DELETE TARGET FISH AUDIO LOCK MARK USER PROG MENU/ DISP AUTO H/V/S GAIN RANGE TILT MODE Set tilt angle.

  • Page 26: Indications And Markers

    2. HORIZONTAL MODE Indications and Markers 2.2.1 Horizontal mode, full-screen display The full-screen horizontal display provides a 360° picture around the boat. To display the full-screen horizontal picture, press the DISP MODE key. Target lock mark Fish track* Fish mark Net shoot data Line connecting Distance run from shooting...

  • Page 27: Horizontal2 Mode

    2. HORIZONTAL MODE 2.2.2 Horizontal2 mode The H2 mode shows one of three kinds of horizontal display combinations: Land- scape, Portrait or Inset as shown on page 1-9. Follow the procedure shown below to select a combination display. The zoom-out display (shown on the inset mode) can be moved by drag and drop operation and its size changed from the menu.

  • Page 28: Display Range

    2. HORIZONTAL MODE Display Range The RANGE control selects the Surface detection range and eight ranges Range displayed on display are preset at the factory. The range selected is momentarily dis- played in large characters at the Bottom top of the screen. Range is always displayed next to “R“...

  • Page 29: Tilt Angle

    2. HORIZONTAL MODE Tilt Angle The tilt angle shows the direction to which the sound wave is emitted. When the sound wave is emitted horizontally, the tilt angle is said to be 0° and when vertically, 90°. The tilt angle can be set between -5° (upward) to 90° (downward), in increments of 1°. The tilt angles for horizontal 1 and horizontal 2 modes can be set independently of one an- other.
  • Page 30 2. HORIZONTAL MODE 2. If necessary, operate the TILT control to change center tilt angle. In automatic tilt, “AUTO” is displayed at the top right corner. To disable automatic tilt, select OFF at step 1. Auto tilt is active R 400m N-UP °...

  • Page 31: Relation Between Bottom Echo And Tilt Angle

    2. HORIZONTAL MODE 2.4.3 Relation between bottom echo and tilt angle The figure below illustrates how two schools of fish "a" and "b" are displayed on the screen using three different tilt angles. Case 1: Tilt angle 30° to 40°: This tilt angle will display the entire bottom since it is captured by the full width of the beam.

  • Page 32: Tilt Angle For Surface Fish

    2. HORIZONTAL MODE 2.4.4 Tilt angle for surface fish Sound emitted from the sonar transducer forms an oval-shaped beam with a width of approximately 18° in the vertical direction (vertical beam width at -6 dB). The tilt angle indicates the angle between the centerline of the beam and the horizontal plane. Then, if the tilt angle is set to 0°, the centerline is parallel with the sea surface and one half of the emitted sound goes upward, toward the sea surface.

  • Page 33: How To Measure Range And Bearing To A Target

    2. HORIZONTAL MODE How to Measure Range and Bearing to a Target Operate the trackball to place the cursor on the target you want to measure the range and bearing. The range, bearing and depth to the target appear at the upper left corner of the screen.
  • Page 34 2. HORIZONTAL MODE 3. Press the H/V/S key to select [H1] or [H2] tab. 4. Select [Sel TVG Curve] then left-click. 5. Select a TVG curve then push the left-click button. The smaller the number, the gentler the gain changes over distance. 6.
  • Page 35 2. HORIZONTAL MODE 4. Select [TVG Distance] then push the left-click button. 5. Select [Changeable] then push the left-click button. Current settings Select item with trackball; push left-click button to adjust. 6. Select [Near], [Meddle] or [Far] as appropriate then push the left-click button to change the setting.

  • Page 36: How To Adjust Strong, Weak Echoes

    2. HORIZONTAL MODE How to Adjust Strong, Weak Echoes 2.7.1 The AGC function automatically reduces the receiver gain only against strong echoes such as the bottom or a large school of fish. Since the AGC function does not affect weak echoes, a small school of fish becomes easier to detect. Adjust it so that the AGC works only on bottom reflections.

  • Page 37: 2Nd Agc

    2. HORIZONTAL MODE 2.7.3 2nd AGC While it is ideal to suppress bottom echoes with the AGC alone, there are some fishing grounds where this is not possible. (The high power sonar has the advantage of long- range detection but this can also be a disadvantage, since weaker echoes may be hid- den in strong, unwanted echoes such as the bottom.) If you cannot suppress bottom echoes or sea surface reflections by the AGC function alone, use the 2nd AGC fea- ture.

  • Page 38: How To Shorten Pulse Length

    2. HORIZONTAL MODE 2.7.4 How to shorten pulse length The pulse length determines the length of the transmission pulse emitted into the wa- ter. While a longer pulse is advantageous for long-range sounding, it has the disad- vantage of being poor in discrimination of targets, that is, the ability to separate several closely located targets.
  • Page 39 ORI ONTAL to Suppre ottom an Sea Sur a e e- e tion in S a o ater In shallow fishing grounds with hard or rocky bottom, bottom reflections often interfere with wanted fish echoes and they can not be eliminated sufficiently with the aforemen- tioned TV and A C functions, especially when the Tilt is set to a larger angle in order to track schools of fish approaching within m.

  • Page 40: How To Reject Sonar Interference And Noise

    2. HORIZONTAL MODE How to Reject Sonar Interference and Noise While observing the sonar picture, you may encounter occasional or intermittent noise and interference. These are mostly caused by on-board electronic equipment, engine or propeller noise, or electrical noise from other sonars being operated nearby. 2.9.1 How to identify the noise source To eliminate noise effectively, you should first identify the noise source as follows:...

  • Page 41: Interference Rejector

    2. HORIZONTAL MODE 2.9.3 Interference rejector This control is similar to the interference rejector on echo sounders and radars. It is effective for rejecting random noise and sea surface reflections in rough sea condi- tions. Set it so that noise is just eliminated. Do not use an unnecessarily high setting since it may also reject small, wanted echoes.

  • Page 42: Noise Limiter

    2. HORIZONTAL MODE 2.9.5 Noise limiter Weak, unwanted reflections, colored light-blue or green, appear when the water is dirty, plankton layers exists, or due to ship’s noise. The noise limiter can reduce the effects of these unwanted reflections. Raising the setting causes unwanted reflections to be displayed in colors of blue to background color.

  • Page 43: Reverberation

    ORI ONTAL e er eration You may select the length of reverberation for the echo signal, with [Reverberation] on the [T /R Setting] ( 1 or tab). The setting range is to . The larger the setting, the lower the reverberation effects. Set the length of reverberation properly to make it easier to see the echo signal.

  • Page 44: How To Track A School Of Fish

    Select one from the menu as shown in the procedure that follows. The default setting is tracking of school of fish. Speed and bearing data are required. The FSV-35 can not track a school of fish if the level of the echo is too weak. Track of...

  • Page 45: Fish Mode

    2. HORIZONTAL MODE 6. Select [Tracking Method] then push the left-click button. 7. Select [Fish] or [Target Mark] then push the left-click button. See section 2.11.2 and section 2.11.3. 8. Select [Quit] on the setting box then push the left-click button to close the box.

  • Page 46: Target Mark Mode

    2. HORIZONTAL MODE 2.11.3 Target mark mode This mode tracks a stationary position (such as a reef) using position data fed from a navigator. Depth 1. Select [Target Mark] in the procedure in section 2.11.1. 2. On the horizontal display, use the trackball to select the location to track. 3.

  • Page 47: Presentation Mode

    2. HORIZONTAL MODE Dimension Setup: Sets dimension constant for calculation of weight (ton) of school of fish from the dimension of the school of fish. Volume Setup: Sets volume constant for calculation of weight (ton) of school of fish volume. 2.12 Presentation Mode 2.12.1...

  • Page 48: How To Select A Presentation Mode

    2. HORIZONTAL MODE 2.12.2 How to select a presentation mode 1. Press the MENU/ESC key to show the main menu. 2. Select [Others] then push the left-click button. 3. Select [Display Setting] then push the left-click button. 4. Select [Presentation Mode] then push the left-click button. 5.

  • Page 49: How To Select The Audio Sector

    2. HORIZONTAL MODE 2.13.2 How to select the audio sector Select the audio sector as follows. Note that you cannot see this sector on the display. 1. Press the MENU/ESC key to show the main menu. 2. Select [Others] then push the left-click button. 3.

  • Page 50: Reverberation For Audio Signal

    2. HORIZONTAL MODE 2.13.4 Reverberation for audio signal You may select the length of reverberation of the audio signal, with [Reverberation] on the [Alarm & Audio] menu. The larger the value the longer the reverberation, which makes it easier to hear the audio signal. The setting range is 0 to 9 and the default setting is 0.
  • Page 51 ORI ONTAL Mo e than Within Note 2: The echo strength which triggers the alarm can be set with [Alarm Level] on the [Alarm Audio] menu. The setting range is . This value corresponds with -echo colors. To disable the alarm, select [O ] at the step .
  • Page 52 2. HORIZONTAL MODE 1. Operate the trackball to place the cursor on a school of fish, and then press the ESTIMATE 1 key. The estimate mark 1 appears on the school of fish. Relative volume is shown by a figure between 0 and 100, below the estimate mark. When the area inside the mark is filled in reddish brown, volume figure is said to be 100.

  • Page 53: How To Compare With The Circle Cursor

    2. HORIZONTAL MODE 2.16.2 How to compare with the circle cursor You can get an estimate of the volume of two schools of fish with the circle cursor as follows: 1. Push the scrollwheel to show the [Select Mark] window. Circle cursor Selected mark name Scan mode in which mark can be entered...

  • Page 54: How To Measure The Speed Of A School Of Fish

    2. HORIZONTAL MODE 2.17 How to Measure the Speed of a School of Fish To ensure a good haul, it is important to estimate the direction and speed of the school of fish before shooting the net. You can do this with the FISH key. With tidal current data and fish speed data, you can determine the timing of the net shooting more effi- ciently.

  • Page 55: How To Delete Fish Marks

    2. HORIZONTAL MODE 2.17.2 How to delete fish marks Fish marks can be deleted individually with the DELETE MARK key or by earliest en- try from the menu. How to delete fish marks with the DELETE MARK key Use the trackball to place the cursor on the fish mark you want to erase. The color of the fish mark changes from white to red when the fish mark is correctly selected.

  • Page 56: Event Mark, Own Ship Position Mark

    2. HORIZONTAL MODE 2.18 Event Mark, Own Ship Position Mark The event mark is useful for finding the horizontal range, depth and bearing to a loca- tion some distance from current position. 20 such marks may be inscribed on the hor- izontal display.

  • Page 57: How To Enter An Own Ship Position Mark

    2. HORIZONTAL MODE 2.18.2 How to enter an own ship position mark Place the cursor close to the center of the own ship mark (U) and press the EVENT key. Ten own ship position marks may be inscribed. When the capacity for own ship position marks is reached the earliest own ship position mark is automatically erased.

  • Page 58: Net Course Mark

    2. HORIZONTAL MODE 2.19 Net Course Mark Before shooting the net, decide the shoot timing considering tide direction, distance to the school of fish and moving direction of the school of fish. Use the net course mark as a guide to decide the timing. This function requires speed and heading data. How to enter the net course mark 1.

  • Page 59: Net Behavior

    2. HORIZONTAL MODE 2.20 Net Behavior With connection of a net sonde, you can observe net behavior after the throwing of the net. Accurate depiction of net sonde position depends on proper setting of the distanc- es between net sonde transmitters. You can set those distances on the main menu- [Others] - [Initial Setting] - [Net Sonde Setting] menu.

  • Page 60: Menu Items Descriptions

    2. HORIZONTAL MODE 2.21 Menu Items Descriptions This section presents an overview of the horizontal display related menus not previ- ously described. Display Setting menu Gain Offset: Adjusts gain level. If the GAIN control on the front panel does not provide satisfactory gain adjustment, enter an offset here.
  • Page 61 2. HORIZONTAL MODE 1. Operate the trackball to select color then push the left-click button to show the col- or bar. Select color with trackball. COL: Cycles through default colors. HUE: Adjusts color tint (Setting range: 0-100(%)). SAT (Saturation): Adjusts color vividness (Setting range: 0-100(%)).
  • Page 62 2. HORIZONTAL MODE To set input level versus output level, use the trackball to place the cursor on location desired and push the left-click button. Note: To restore default color response, select [Default] on the window then push the left-click button. Picture Setting menu Smooth Echo RNG: Selects echo smoothing level in the range direction.

  • Page 63: How To Interpret The Horizontal Display

    2. HORIZONTAL MODE 2.22 How to Interpret the Horizontal Display 2.22.1 Bottom and school of fish echoes Bottom echoes When the tilt angle is changed, the bottom echo illustrated below will appear on the display. When the tilt is decreased (toward 0°), the bottom trace becomes wider and weaker.
  • Page 64 2. HORIZONTAL MODE School of fish A school of fish appear as a mass of echoes on the screen. By this display pattern, the density of the school on the sonar beam can be found. To find distribution and center point of a school of fish, try several different tilt angles.

  • Page 65: Unnecessary Echoes

    2. HORIZONTAL MODE 2.22.2 Unnecessary echoes Sea surface reflections To reduce sea surface reflections, set the tilt angle to 4° or higher, so the upper edge of the sonar beam does not hit the sea surface, or adjust TVG. When a decreased tilt is used, sea surface reflections cover a large area as illustrated below.
  • Page 66 2. HORIZONTAL MODE Sidelobe echoes (false echoes An ultrasonic wave is emitted only in the direction set by the TILT control, however there are some emissions outside the main beam. These are called sidelobes. The en- ergy of the sidelobe is fairly weak but when the water is comparatively shallow and the bottom is rocky and hard, strong signals are detected by the sidelobe.

  • Page 67: Control Panel

    peratin Pro e ure owe t ansduce Mid p ot usion Fu p ot usion P ess app op iate ke Tu n on powe et e tica ea ing to disp a in e tica disp a EVENT EVENT A TO E TI E TI...

  • Page 68: Vertical Mode

    3. VERTICAL MODE How the Vertical Mode Works 3.2.1 Overview The vertical mode shows a vertical section of the horizontal display selected with the vertical bearing mark. The figure below illustrates the concept of the vertical mode, in comparison with the horizontal mode. The vertical mode helps you keep fast moving fish such as bonito and tuna within the sonar beam.

  • Page 69: Vertical Indications And Marks

    3. VERTICAL MODE Vertical Indications and Marks 3.3.1 Typical vertical display The vertical mode provides a vertical section of the horizontal picture. You may show the display on the right or left side of the screen in case of the vertical 1 mode. An ex- pansion mode is available to enlarge the picture.

  • Page 70: Vertical Bearing Mark, Tilt Mark

    3. VERTICAL MODE Note: When the settings listed below are changed, the setting value is shown at the top of the display for five seconds. The location of the setting value can be changed. Contact your dealer for details. • Gain (See section 1.6.) •...

  • Page 71: Cursor Position Reference Mark

    3. VERTICAL MODE 3.3.3 Cursor position reference mark The cursor position reference mark, a solid circle, is inscribed on the vertical bearing mark when the cursor is placed in the vertical display. Its purpose is to show corre- sponding cursor position on the horizontal display. It changes position with cursor po- sition, tilt and range, and disappears when its position is no longer within the range of the horizontal display.

  • Page 72: How To Measure The Range, Bearing To A Target

    3. VERTICAL MODE 1. Press the H/V/S key to show the range and gain indications of the horizontal mode to change the range (and gain). The indication color of the range and gain are changed to orange. 2. Operate the RANGE control to select a range. Note: The range can also adjusted from the range indication.
  • Page 73 3. VERTICAL MODE 2. Select [Gain Setting] then push the left-click button. 3. Press the H/V/S key to select [V] tab. 4. Select [Sel. TVG Curve] then push the left-click button. 5. Select a curve then push the left-click button. The smaller the number is, the gen- tler the gain change over distance.
  • Page 74 3. VERTICAL MODE 2. Select [Gain Setting] then push the left-click button. 3. Press the H/V/S key to select the [V] tab. 4. Select [TVG Distance] then push the left-click button. 5. Select [Changeable] then push the left-click button. Current settings Select item with trackball;...

  • Page 75: How To Adjust Strong, Weak Echoes

    3. VERTICAL MODE How to Adjust Strong, Weak Echoes 3.8.1 The AGC functions to automatically reduce the receiver gain only against strong ech- oes such as the bottom or a large school of fish. Since weak echoes remain unaffect- ed, a small school of fish becomes easier to detect. Adjust it so that the AGC works only on bottom reflections.

  • Page 76: 2Nd Agc

    3. VERTICAL MODE 3.8.3 2nd AGC While it is ideal to suppress bottom echoes with the AGC alone, there are some fishing grounds where this is not possible. (The high power sonar has the advantage of long- range detection but this can also be a disadvantage, since weaker echoes may be hid- den in strong, unwanted echoes such as the bottom.) If you can not suppress bottom echoes or sea surface reflections by the AGC function alone, use the 2nd AGC fea- ture.

  • Page 77: How To Reject Sonar Interference And Noise

    3. VERTICAL MODE 3. Press the H/V/S key to select the [V] tab. 4. Select [TX Pulse Length] then push the left-click button. 5. Select S or T then push the left-click button to change the setting. The setting range is 0-9. The higher the setting, the longer the pulse length. 6.

  • Page 78: Noise Limiter

    . VERTICAL nter eren e re e tor This control is similar to the interference re ector on echo sounders and radars. It is effective for re ecting random noise and sea surface reflections in rough sea condi- tions. Set it so that noise is ust eliminated. o not use an unnecessarily high setting since it may also re ect small wanted echoes.
  • Page 79 3. VERTICAL MODE 3. Press the H/V/S key to select the [V] tab. 4. Select [Noise Limiter] then push the left-click button. 5. Select S or T then push the left-click button to set the value (setting range: 0 to 15).

  • Page 80: Reverberation

    3. VERTICAL MODE 3.9.5 Reverberation You may select the length of reverberation for the echo signal, with [Reverberation] in the [TX/RX Setting] menu on the [V] tab. The larger the setting, the lower the rever- beration effect, which makes it easier to see the echo signal. The setting range is 0 to 3.9.6 Echo average [Echo Average] on the [Picture Setting] menu in the [V] tab adjusts echo afterglow -...

  • Page 81: How To Adjust Beamwidth

    3. VERTICAL MODE 3.10 How to Adjust Beam Width The width of the horizontal beam can be adjusted from the [Beam Width] menu. 1. Press the MENU/ESC key to show the main menu. 2. Select [TX/RX Setting] then push the left-click button. 3.

  • Page 82: Other Menu Items

    3. VERTICAL MODE 3.11 Other Menu Items This section describes menu items which have not been explained yet. Display Setting menu Gain Offset: Adjusts gain level. If the GAIN control on the front panel does not provide satisfactory gain adjustment, enter an offset here. The setting range is 0 to 12. Signal Level: Contaminated water or reflections from plankton may be painted on the screen in green or light-blue.

  • Page 83: Application To Bonito And Tuna Fishing

    3. VERTICAL MODE Smooth Echo CIR: Selects echo smoothing level in the circular direction. The setting range is 0 to 5. The higher the setting, the greater the smoothing. 3.12 Application to Bonito and Tuna Fishing Tracking of bonito and tuna presents a special challenge to the sonar operator: He must try to keep them within the sonar beam, a formidable task considering their high speed and penchant for leaping and diving.

  • Page 84: Approaching

    3. VERTICAL MODE 3.12.3 Approaching The sonar lets you view the movement of a school of fish continuously, thus you can approach a school confident of a good catch. While a flock of birds hovering over the sea surface is usually a good indication of the presence of a school of fish, the sonar can better verify the size of a school of fish.

  • Page 85: Numeric/Graphic Data Display

    NUMERIC/GRAPHIC DATA DIS- PLAY Numeric/Graphic Data Display This display provides comprehensive numeric/graphic data and appears with the hor- izontal and vertical displays, at the right side of the display. ° HEADING Heading* ° Course* SHIP COURSE 12.5kn Speed* SHIP SPEED Position format LAT/LON[DGPS] Navigator type (in brackets)*...

  • Page 86: Numeric, Graphic Data Description

    4. NUMERIC/GRAPHIC DATA DISPLAY Numeric, Graphic Data Description When a data is lost its last-entered value is shown in red. Data displays can be turned on or off through the [DATA DISPLAY] menu. Numeric/ Available Description Display range Where to change format Graphic item formats Heading...
  • Page 87 . NU ERIC/ RAP IC ATA ISPLAY Numeri / ai a e ription i p a ran e ere to an e ormat rap i item ormat ish histo- Shows signal Two marks On/Off on the [ ark isplay]- [ istogram gram strength con- isp.] menu...
  • Page 88 4. NUMERIC/GRAPHIC DATA DISPLAY This page is intentionally left blank.

  • Page 89: How To Customize The Equipment

    HOW TO CUSTOMIZE THE EQUIPMENT User Menu You may program 20 often-used menu items to the user menu area in the menu. The default user menu contains, pulse length, TX power, TVG near, TVG medium, TVG far, AGC, 2nd AGC, color, response color and echo average for the horizontal display. Push the Push the left-click button.

  • Page 90: How To Delete Items From The User Menu

    5. HOW TO CUSTOMIZE THE EQUIPMENT 4. Select [Register] then push the left-click button. The selected item is registered, and shown at the bottom of the menu. The order of items in the [USER] menu can be changed by drag and drop. Note: If 20 items are already registered to the user menu the following message appears.
  • Page 91 OW TO CUSTO I E T E EQUIP ENT to e e ute a pro ram 1. Press desired function key to show the applicable dialog box. en t e F8 e pre e . Press the same function key again within five seconds to execute the function. The dialog box automatically disappears in five seconds.

  • Page 92: How To Program The Function Keys

    5. HOW TO CUSTOMIZE THE EQUIPMENT 5.2.3 How to erase programs 1. Press the MENU/ESC key to open the main menu. 2. Select [Others] then push the left-click button. 3. Select [Register] then push the left-click button. 4. Select [Clear F-KEY Setting] then push the left-click button. 5.

  • Page 93: User Prog Control

    5. HOW TO CUSTOMIZE THE EQUIPMENT USER PROG Control The USER PROG control provides for instant setup of the equipment according to fishing ground or target fish. Ten programs may be set up, and vertical and horizontal display settings may be programmed together or individually. (The default settings programs them together.
  • Page 94 5. HOW TO CUSTOMIZE THE EQUIPMENT 6. Select [Changeable] then push the left-click button. One of the following displays appears depending on your selection. “Assign User Prog” “User Prog-V” “User Prog-H” 7. Select a program no. then push the left-click button. 8.

  • Page 95: Others Menu

    OTHERS MENU This chapter provides descriptions for the [Others] menu. To display the [Others] menu, press the MENU/ESC key, select [Others] then push the left-click button. The [Record/Recall] menu is described in chapter 7. Also, menu items shown in gray can not be accessed.

  • Page 96: Wheel Setting Menu

    6. OTHERS MENU Wheel Setting Menu One of the following functions can be assigned to the scrollwheel. • Tilt angle (Horizontal display only) • Gain • Range • Bearing (Vertical display only) 1. Select [Wheel Setting] on the [Other] menu then push the left-click button. This menu can be also opened from the pop-up menu.

  • Page 97: Display Setting Menu

    6. OTHERS MENU Display Setting Menu The [Display Setting] menu sets various display-related items according to operator’s preference. To display the menu, open the main menu then select the [Others] and [Display Setting] menus. Mode Selection: Determines how display modes are chosen: MODE key or pull-down menu.
  • Page 98 6. OTHERS MENU Bearing Ref: Selects how to reference bearing for the vertical bearing marker. The choices are ship’s heading and North. TILT lever: Selects function of the TILT control. [Tilt] sets the tilt only. [Tilt & V1] sets the bearing of the vertical 1 display in the vertical display and sets the tilt in the hori- zontal display./ Auto Tilt: Selects the auto tilt angle, Wide (±2°...

  • Page 99: Alarm & Audio Menu

    6. OTHERS MENU Alarm & Audio Menu The [Alarm & Audio] menu sets the fish alarm and the audio bearing mark sector. To show this menu, open the main menu, then open the [Others] and [Alarm & Audio] menus. Fish Alarm: Turns the fish alarm function on or off. The default setting is [OFF]. Alarm Level: Sets the minimum echo color which triggers the fish alarm.

  • Page 100: Register Menu

    6. OTHERS MENU Register Menu The [Register] menu provides various programming functions. To show this menu, se- lect [Register] on [Others] menu then push the left-click button. [Sel User Prog] = [H/V Interlock] Sel User Prog/Assign User Prog/Auto User Prog Sel: Programs the USER PROG control.

  • Page 101: Initial Setting Menu

    6. OTHERS MENU Initial Setting Menu The [Initial Setting] menu sets up mark size, current vector, net sonde, target lock, etc. 1. Press the MENU/ESC key to show the main menu. 2. Select [Others] then push the left-click button. 3. Select [Initial Setting] then push the left-click button. 4.
  • Page 102 6. OTHERS MENU Monitor Setting menu The [Monitor Setting] menu sets the function of dual monitors. Select [Monitor Setting] on the [Initial Setting] menu then push the left-click button. 2nd Monitor Setting: Selects the display format for the sub monitor (Off, Dual Dis- play, Sub Display).
  • Page 103 6. OTHERS MENU Mark Display menu The [Mark Display] menu turns on/off marks. Select [Mark Display] on the [Initial Set- ting] menu then push the left-click button. Heading Mark: The heading mark is a dashed line which indicates the heading in all presentation modes. It extends from own ship position to the outer edge of the display and Heading appears at zero degrees in the head-up mode.
  • Page 104 6. OTHERS MENU Data On Track: Shows depth or water temperature on the ship’s track. Track Depth (or water temperature) Net Move Plot: Shows predicted net movement against Own ship’s three current layers over time. Automatically turned on or track off with the net shoot mark.
  • Page 105 6. OTHERS MENU Mark Size menu The [Mark Size] menu lets you select the size and shape of the marks. Select [Mark Size] on the [Initial Setting] menu then push the left-click button. Trackball Mark: Selects size and appearance of cursor. The choices are large and small “+”...
  • Page 106 6. OTHERS MENU Data Display menu This menu turns on/off alphanumeric data. Select [Data Display] on the [Initial Setting] menu then push the left-click button. Range/Bearing: Turns on/off the range and bearing data which appears when the range/bearing marks are turned on. Fishing Area: Not used.
  • Page 107 6. OTHERS MENU Current Vec & Wind menu The [Current Vec & Wind] menu sets up tidal current and wind data. Select [Current/ Wind] on [Initial Setting] menu then push the left-click button. Current Data: Selects how to display current data; absolute or in relation to layer 1, layer 2 or layer 3.
  • Page 108 6. OT ERS Net S N E Settin menu The [Net SON E Setting] menu sets up the net sonde. Select [Net SON E Setting] on [Initial Setting] then push the left-click button. etting cannot e adjusted a te the net is th own Num er Sets number of transmitter units used, from to 1 .
  • Page 109 6. OTHERS MENU Net Shooting Setting menu The [Net Shooting Setting] menu sets up net shoot parameters. Selects [Net Shooting Setting] on [Initial Setting] then push the left-click button. Net Diameter: Sets net diameter in increments of 10 meters. Setting range is 200 m to 1000 m.
  • Page 110 6. OTHERS MENU Initialization menu Select [Initialization] on [Initial Setting] menu then push the left-click button to show the [Initialization] menu. Save Ship/Org: All menu settings are saved. Recall Ship/Org: Recalls the saved menu settings. Default settings are memorized in the internal memory.

  • Page 111: Record/Recall Operation

    RECORD/RECALL OPERATION You can take still images of the display and store them internally. How to Specify Where to Save Still Images You can specify where to save still images as follows: 1. Push the right-click button on the numeric/graphic data display to show the pop- up menu.

  • Page 112: How To Save Still Images

    7. RECORD/RECALL OPERATION 6. Select [OK] then push the left-click button. 7. Long-press the MENU/ESC key to close all menus. How to Save Still Images You can save the picture on the display as a still image. Single display 1. Push the right-click button on the numeric/graphic data display to show the pop- up menu.
  • Page 113 7. RECORD/RECALL OPERATION How to display the latest still image 1. Push the right-click button on the numeric/graphic data display to show the pop- up menu. 2. Select [Record/Recall] then push the left-click button. 3. Select [Recall Still Image] then push the left-click button. The latest still image is shown on the display.

  • Page 114: How To Save Settings

    7. RECORD/RECALL OPERATION How to Save Settings The FSV-35 can store the setting information in use as shown below. 1. Push the right-click button on the numeric/graphic data display to show the pop- up menu. 2. Select [Record/Recall] then push the left-click button.

  • Page 115: How To Load The Setting Information

    7. RECOR /RECALL OPERATION to oa to oa t e ettin in ormation This section shows you how to load the setting information saved at section 7. . 1. Push the right-click button on the numeric/graphic data display to show the pop- up menu.

  • Page 116: How To Replay Setting Information

    7. RECORD/RECALL OPERATION 7.5.2 How to replay setting information You may want to replay setting information to set up the equipment according to target fish or fishing ground. 1. Push the right-click button on the numeric/graphic data display to show the pop- up menu.

  • Page 117: How To Delete Files

    7. RECORD/RECALL OPERATION How to Delete Files You can delete unnecessary files as shown below. 1. Push the right-click button on the numeric/graphic data display to show the pop- up menu. 2. Select [Record/Recall] then push the left-click button. 3. Select [Delete Data] then push the left-click button. Destination list 4.
  • Page 118 7. RECORD/RECALL OPERATION This page is intentionally left blank.

  • Page 119: Maintenance, Troubleshooting

    MAINTENANCE, TROUBLE- SHOOTING This chapter provides maintenance and troubleshooting procedures for the operator. NOTICE WARNING o not apply paint, anti-corrosive ELECTRICAL SHOCK HAZARD Do not open the equipment. sealant or contact spray to plastic parts or equipment coating. This equipment uses high voltage that can cause Those items contain products that can electrical shock.

  • Page 120: Hull Unit Maintenance

    8. MAINTENANCE, TROUBLESHOOTING Hull Unit Maintenance Care for the hull unit by following the procedures shown below. Apply MOLYTONE grease #2 every six months. Raise transducer and coat main shaft with Daphne Eponex Grease No.2 (IDEMITSU KOSAN CO.,LTD.* every six months. Dry dock ship and clean transducer face yearly.

  • Page 121: How To Replace Fuses

    8. MAINTENANCE, TROUBLESHOOTING How to Replace Fuses The fuses in the processor unit, transceiver unit and hull unit protect them from over- current and equipment fault. If the power cannot be applied, first check the fuse in the processor unit and transceiver unit. If the power still cannot be turned on, have a qual- ified technician check the fuses in other units.

  • Page 122: How To Clean The Filter In The Processor Unit

    8. MAINTENANCE, TROUBLESHOOTING How to Clean the Filter in the Processor Unit Clean the filter in the Processor Unit when the filter becomes dusty. Remove the filter and clean it with water and a mild detergent. Let the filter dry then set it to the Proces- sor Unit.

  • Page 123: Troubleshooting

    8. MAINTENANCE, TROUBLESHOOTING Troubleshooting The table below provides common symptoms of equipment troubles and the means to rectify them. Troubleshooting Symptom Check, remedy Cannot turn on power. • Check cables between transceiver unit, processor unit and monitor unit. • Check ship’s mains. •...

  • Page 124: Warning Messages

    8. MAINTENANCE, TROUBLESHOOTING Warning Messages The table below shows the warning messages which may appear on the display. All warning messages are accompanied by an audio alarm, which you may silence with the R/B AUDIO key. Warning messages Message Meaning, Remedy Power supply <<OVERVOLTAGE!! >>...

  • Page 125: Error Codes

    8. MAINTENANCE, TROUBLESHOOTING Message Meaning, Remedy <<WARNING!!>> TRANSDUCER IS KEPT EX- This message blinks at the screen center and the TENDED. MAX ALLOWABLE SPEED FOR EX- buzzer sounds when the transducer is extended TENDED TRANSDUCER IS 18 KT. PRESS R/B and ship’s speed, input by external equipment, KEY TO TURN OFF ALARM.

  • Page 126: Status Messages

    8. MAINTENANCE, TROUBLESHOOTING 8.10 Status Messages Status messages appear at the screen center to alert the operator. These are as be- low. Status messages and their meanings Status message Meaning TX OFF Transmission turned off from the menu. RAISE/LOWER TEST* Raise/lower command received from the control unit in normal opera- tion, to manually test raise/lower switch in hull unit.

  • Page 127: Board Test

    AINTENANCE, TROU LES OOTIN 11 2 oar te t The board test checks all the circuit boards in the system. Select [ oard Test] from the [Test] menu to do this test. OARD TE T XX XX XX XX TRCP XX XX Ena e Monito...

  • Page 128: Panel Test

    8. MAINTENANCE, TROUBLESHOOTING 8.11.3 Panel test The panel test checks the keys, controls and trackball of the control unit. Select [Panel Test] from the [Test] menu to do this test. PANEL TEST X = 0 Y = 0 d = 0 X = 0 Y = 0 d = 0...

  • Page 129: Test Pattern

    8. MAINTENANCE, TROUBLESHOOTING 8.11.4 Test pattern The test pattern test checks for proper display of colors. Select [Test Pattern] from the [Test] menu to do this test. Use the MODE key to change the test pattern. PRESS MENU KEY TO QUIT TEST MODE. PRESS MODE KEY TO CHANGE TEST PATTERN.

  • Page 130: How To Raise The Transducer Automatically

    8. MAINTENANCE, TROUBLESHOOTING 8.12.1 How to raise the transducer automatically 1. Turn off the switchboard, transceiver unit and hull unit from the ship’s mains breaker. You can force-quit the system by long-pressing the POWER OFF ( ) switch for approx. 10 seconds. 2.

  • Page 131: How To Raise The Transducer Manually

    8. MAINTENANCE, TROUBLESHOOTING 8.12.2 How to raise the transducer manually 1. Open the lid on the raise/lower control box of the hull unit and turn off the motor breaker. Confirm that the power lamp is off. (See the illustration on the preceding page for the location of the motor breaker and power lamp.) 2.
  • Page 132 8. MAINTENANCE, TROUBLESHOOTING 5. Turn the crank clockwise to raise the transducer. Also, you can raise the transduc- er with a socket wrench or impact wrench, using the socket near the crank. If an impact wrench is used the torque should be 14.5 Nm (1.48 kgfm) Lower Raise Release lever...

  • Page 133: Appendix 1 Menu Tree

    APPENDIX 1 MENU TREE [MENU/ESC] key TX/RX Setting TX Interval (0 to 9; 9) [H1/H2], U: Yes/F: Yes U: Items which can be U: No /F: Yes TX Pulse Length (0 to 9; 7 [H1], 9 [H2/V]), U: Yes/F: Yes programmed to the user menu.
  • Page 134 APPENDIX 1 MENU TREE Others Display Setting Mode Selection (Mode Key, Pull-Down Menu), U: No/F: No U: No/F: Yes Echo Disp Area (Within Range, Full Screen), U: Yes/F: Yes H2 Display (Landscape, Portrait,Inset), U: Yes/F: Yes 2nd Monitor Setting (Portrait, Landscape), U: Yes/F: Yes V-Scan Aspect Ratio (Fixed, Flexible), U: Yes/F: Yes Presentation Mode (Head Up, North Up, Course Up, True Motion), U: Yes/F: Yes...
  • Page 135 APPENDIX 1 MENU TREE Others Initial Setting Data Display, U: No/F: Yes Data Display (ON, OFF), U: Yes/F: Yes Data Box Transp. (ON, OFF), U: Yes/F: Yes Mark Display, U: No/F: Yes Heading Mark (OFF, ON), U: No/F: No Range Rings (OFF, ON), U: No/F: No Bearing Scale (OFF, ON), U: No, F: No Own Ship's Track Plot (OFF, ON), U: No/F: No Data On Track (OFF, Water Temp, Water Depth),...
  • Page 136 APPENDIX 1 MENU TREE Others Initial Setting Net SONDE Setting, U: No/F: Yes Number Of XMTR (0 to 10; 3), U: No/F: No XMTR Distance, U: No/F: No End Of Net To S1 (0 to 1000 m; 400 m), U: No/F: No S1->S2 (0 to 1000 m;...
  • Page 137 APPENDIX 1 MENU TREE Others Initial Setting Initialization, U: No/F: Yes Save Ship's Org (Execute), U: No, F: No Recall Ship's Org (Execute), U: No/F: No Set To Default (Execute), U: No, F: No Item Attribution (Non-Changeable, Changeable), U: No/F: No Date&Time Setting, U: No, F: No Shortcut Menu TX Pulse Length -H1...
  • Page 138 APPEN I 1 ENU TREE This page is intentionally left blank.

  • Page 139: Specifications

    FURUNO FSV-35 SPECIFICATIONS OF COLOR SCANNING SONAR FSV-35 GENERAL Scanning method Full digital beam forming Frequency 24.0 kHz Range and Pulse-length Basic Range (m) Basic Range (m) range range Off-center Off-center Off-center Off-center ’OFF’ ‘ON’ ’OFF’ ‘ON’ 0-60 0-96 1000...
  • Page 140 FURUNO FSV-35 INTERFACE NMEA0183 Ver1.5/2.0/3.0 Input sentences CUR, DBS, DBT, DPT, GGA, GLL, GNS, HDG, HDM, HDT, MDA, MTW, MWV, RMA, RMC, VBW, VDR, VHW, VTG, VWR, VWT, ZDA Output sentence CIF input sentences System clock, Position, Bearing, First layer current data, Water depth/temperature, Sonde depth, Ship’s speed/course data,...

  • Page 141: Index

    INDEX Numerics horizontal display........2-19 vertical display........3-14 2nd AGC ERASE MARKS menu ..... 2-31 horizontal display ........2-13 Error codes..........8-7 vertical display........3-10 ESTIMATE keys........2-27 2nd AGC distance horizontal display ........2-13 EVENT key..........2-32 Event mark 2nd AGC type deleting, horizontal display ....
  • Page 142 INDEX general .............8-1 horizontal display ........2-19 hull unit.............8-2 Signal level MARK DISPLAY menu ......6-9 horizontal display ........2-36 MARK SIZE menu........6-11 vertical display........3-16 Memory card Smoothing deleting files from ........7-2 horizontal display ........2-38 formatting ..........7-2 vertical display........3-16 loading files from ........7-2 STABILIZATION menu......6-15 saving picture to ........7-1 Status messages ........8-8...
  • Page 143 INDEX deleting items from ........5-1 programming ........... 5-1 USER PROG control program selection........5-5 programming ........... 5-5 Vertical bearing mark ........ 3-4 Warning messages ........8-6 IN-3...

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