Furuno FSV-25 Operator's Manual
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Furuno FSV-25 Operator's Manual

Color scanning sonar
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OPERATOR'S MANUAL
COLOR SCANNING
SONAR
FSV-25/FSV-25S
Model
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  • Page 1 OPERATOR'S MANUAL COLOR SCANNING SONAR FSV-25/FSV-25S Model www.furuno.com...
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  • Page 3 How to discard a used battery Some FURUNO products have a battery(ies). To see if your product has a battery, see the chapter on Maintenance. If a battery is used, tape the + and - terminals of the battery before disposal to pre- vent fire, heat generation caused by short circuit.
  • Page 4 Gears in hull unit will cause Continued use of the equipment can serious injury. cause fire or electrical shock. Contact a FURUNO agent for service. WARNING Immediately turn off the power at the switchboard if the equipment is emitting smoke or fire.
  • Page 5 Warning labels are attached to the units of the system. Do not remove the labels. Before raising or lowering the trans- If a label is missing or damaged, contact a FURUNO ducer manually, make sure the motor agent or dealer about replacement.
  • Page 6 EMERGENCY STOP BUTTON ON HULL UNIT The EMERGENCY STOP button on the hull unit stops the raising or lowering of the transducer in case of an emergency. The transducer stops moving when the button is operated, a warning mes- sage appears and the transducer cannot be raised or lowered. The transducer is also stopped when the ratchet wrench in the hull unit, which is used to manually raise the transducer, is re- moved from its holder.

  • Page 7: Table Of Contents

    TABLE OF CONTENTS FOREWORD ........................ix SYSTEM CONFIGURATION ..................xi OPERATIONAL OVERVIEW .................1-1 1.1 Control Description .....................1-1 1.1.1 Control unit .....................1-1 1.1.2 Sub control unit (option) .................1-3 1.1.3 Remote controller (option)................1-4 1.2 Breaker On/Off ......................1-4 1.3 Turning the Power On/Off...................1-5 1.4 Lowering, Raising the Transducer................1-6 1.4.1 Lowering the transducer.................1-6...
  • Page 8 TABLE OF CONTENTS 2.9.7 Echo average ....................2-17 2.9.8 2nd echo rejection..................2-17 2.10 How to Adjust Beamwidth ..................2-17 2.11 How to Track a School of Fish ................. 2-18 2.11.1 How to select the target lock mode .............. 2-18 2.11.2 Fish mode ....................
  • Page 9 TABLE OF CONTENTS 3.8.2 How to shorten pulse length................3-9 3.8.3 How to suppress unwanted echoes ...............3-9 3.9 How to Reject Sonar Interference and Noise ............3-10 3.9.1 How to identify the noise source ..............3-10 3.9.2 Interference rejector ..................3-10 3.9.3 Shift TX frequency ..................3-10 3.9.4 Noise limiter....................3-11 3.9.5...
  • Page 10 TABLE OF CONTENTS 8.2.2 How to replace the gasket................8-3 8.2.3 How to replace the anti-corrosion zinc plates ..........8-4 8.3 How to Replace Fuses ....................8-5 8.4 Battery on the Mother Board ..................8-5 8.5 How to Clean the Filter....................8-6 8.6 How to Clean the Trackball in the Control Unit ............

  • Page 11: Foreword

    A Word to the Owner of the FSV-25/FSV-25S Congratulations on your choice of the FURUNO FSV-25/FSV-25S Color Scanning Sonar. We are confident you will see why the FURUNO name has become synonymous with quality and reliabil- ity. Since 1948, FURUNO Electric Company has enjoyed an enviable reputation for quality marine electronics equipment.
  • Page 12 FOREWORD About this manual • This manual describes the functions of the FSV-25 and FSV-25S. The main difference between the two models is the range: • FSV-25: 60 m to 5000 m • FSV-25S: 60 m to 10000 m • Unless noted otherwise, "click" means to push the left button.

  • Page 13: System Configuration

    Standard configuration is shown with solid lines. Dashed lines indicate optional or local supply equipment. External External monitor monitor External USB devices (mouse, HDD) Processor unit FSV-2503 (FSV-25) NMEA IEC 61162-1 device FSV-2503S (FSV-25S) 12-24 VDC NMEA IEC 61162-1 device Junction box FI-5002 Rectifier unit RU-1746B-2 External speaker...
  • Page 14 SYSTEM CONFIGURATION This page is intentionally left blank.

  • Page 15: Operational Overview

    OPERATIONAL OVERVIEW Control Description 1.1.1 Control unit Speaker Tilt lever Scrollwheel Left button Left button DOWN/STOP Right button Right button Function keys Trackball Trackball unit Function Turns power on. Turns power off. Raises the transducer. If the mid protrusion key is programmed to [Fixed Position]: The transduc- er goes to the mid protrusion position.
  • Page 16 1. OPERATIONAL OVERVIEW Function Enters event mark 1 or own ship mark (horizontal mode). EVENT Enters event mark 2 or own ship mark (horizontal mode). EVENT Turns the estimate mark on/off (horizontal mode). ESTI- MATE ESTI- MATE Enters target lock mark (horizontal mode). TARGET LOCK Enters fish mark (horizontal mode).

  • Page 17: Sub Control Unit (Option)

    1. OPERATIONAL OVERVIEW Function Trackball Trackball: unit • Positions cursor. • Selects items, options on menu. Left button: • Push(short): Confirms the selected item; selects the item to drag and drop ; enters fish mark (default function). • Push(long): Off centers own ship’s position (horizontal mode). Scrollwheel: •...

  • Page 18: 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 19: Turning The Power On/Off

    Press the POWER ON (I) switch. A beep sounds, and the display changes in the fol- lowing sequence: FURUNO display → model display → operation test display (see section 8.11.2). Then the lamp above the switch changes as below. The last-used mode is activated in approximately 140 seconds after turning the power on.

  • Page 20: Lowering, Raising The Transducer

    1. OPERATIONAL OVERVIEW Lowering, Raising the Transducer CAUTION CAUTION Maximum speed while the transducer is The transducer is stopped whenever projected and being raised or lowered the emergency stop button on the hull is as below, to prevent damage to the is operated or the ratchet (for manual transducer.

  • Page 21: Raising The Transducer

    1. OPERATIONAL OVERVIEW 1.4.2 Raising the transducer Press the key to raise the transducer. The lamp above the switch flashes and the message "Raising " (background: green)* appears. while the transducer is being raised. When the transducer is above the sea surface the, transmission is stopped the message "TX STOPPED"...

  • Page 22: Screen Brilliance, Panel Dimmer

    1. OPERATIONAL OVERVIEW How to set mid position Mid protrusion With [Mid Key Setting] in the [Others] menu set to [Fixed Position], Quit click the transducer position mark to show the window shown in the Cancel right figure. Click to change the setting. Click Quit to close the window.
  • Page 23 1. OPERATIONAL OVERVIEW 3. Click [Display Setting]. Quit Display Setting Mode Selection : Mode Key Echo Display Area : Within Range H2 Display : Landscape 2nd Monitor Setting : Portrait V-Scan Aspect Ratio : Fixed V-Scan Dpt Rng : 100 Presentation Mode : Head Up TM Disp Range...

  • Page 24: Display Mode, Display Division

    There are four display modes; Horizontal, Horizontal1 + Horizontal2*, Vertical1*, and Vertical 1 + Vertical 2*. *: If the FSV-25/FSV-25S 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-...

  • Page 25: How To Select A Display Mode

    1. OPERATIONAL OVERVIEW 1.6.1 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 26 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 27: Software Function Key

    1. OPERATIONAL OVERVIEW Software Function Key You can see the current setting for each software function key. Put the cursor at the bottom of the screen for approx. two seconds to show the settings. Left click a function to get the corresponding action. See paragraph 5.2.2. 148m H-UP H R 400m...

  • Page 28: How To Use The Menu

    1. OPERATIONAL OVERVIEW 2. Adjust the GAIN control. New gain setting is momentarily displayed in large characters at the top of each dis- play. The setting value is always displayed next to “G”. (For the vertical display, the gain indication is shown at the bottom of the display.) Note 1: The gain can also be adjusted from the gain indication.
  • Page 29 1. OPERATIONAL OVERVIEW 3. Push the left button, or if you selected an item with the scrollwheel push the scroll- wheel. If, for example, you selected [TX/RX Setting] at step 2, the following menu appears. TX/RX Setting Quit Scanning mode tab H1 P1 H2 P1 V P1...
  • Page 30 1. OPERATIONAL OVERVIEW are locked to prevent accidental change of setting. When you open one of these sub menus and select an item, the confirmation message shown below appears. To change the setting of the selected item, click [Changeable] to show the dialog box for the item.

  • Page 31: Horizontal Mode

    HORIZONTAL MODE Basic Operating Procedure Lower transducer. Mid protrusion key programmed to [Fixed Position]: Transducer stops at mid protrusion position. DOWN/STOP Mid protrusion key programmed to [Any Position]: Transducer stops at desired position. Turn on power. Full protrusion DOWN/STOP Set tilt angle. Select range.

  • Page 32: 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. Net shoot data Distance run from shooting Time from shooting Trackball data Target lock mark...

  • Page 33: 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 1-12. 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 34: 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 35: Automatic Tilt

    2. HORIZONTAL MODE Select tilt angle depending on target fish. For surface fish select a shallow angle (about 5°) and for bottom fish, a deep angle. -5° 0° horizontal direction (tilt angle 0°) Tilt angle setting range +60° Note 1: In the factory default condition, the tilt angle can also be adjusted by rolling the scrollwheel.

  • Page 36: Relation Between Bottom Echo And Tilt Angle

    2. HORIZONTAL MODE Automatic tilt angle (narrow) with AUTO TILT key Range (m) Width 1 Width2 Width3 Period 60, 100 ±4°* ±6°* ±8°* Period: One transmission 150, 200 ±2° ±4° ±6°* Note: Tilt angle changes in 2° in- 300, 400 ±1°...

  • Page 37: Tilt Angle For Surface Fish

    2. HORIZONTAL MODE Case 1 Case 2 Case 3 Case 1 Case 2 Case 3 Points to consider • Normally, a vertically distributed school of fish is a better sonar target than the bot- tom, because it reflects the transmitted pulse back toward the transducer. •...

  • Page 38: Suitable Tilt Angle

    2. HORIZONTAL MODE 2.4.5 Suitable tilt angle The figure below illustrates the relationship among tilt angle, depth and detection range. Refer to it to find out the suitable tilt angle for a given depth/detection range. Tilt angle setting: relationship between tilt angle and detection range Range(m) (800) (200)

  • Page 39: How To Eliminate Weak Echoes

    2. HORIZONTAL MODE How to Eliminate Weak Echoes Echoes from targets such as bottom and fish return to the transducer in order of dis- tance to them, and when we compare their intensities at the transducer face, those from nearer targets are generally stronger due to little propagation attenuation and lit- tle absorption.

  • Page 40: Change Near Gain, Far Gain

    2. HORIZONTAL MODE 2.6.2 Change near gain, far gain This sonar lets you adjust near gain and far gain separately. 1. Press the MENU/ESC key to open the main menu. Quit 2. Click [Gain Setting]. Cancel 3. Press the H/V/S key to select the [H1] or [H2] tab. 4.

  • Page 41: How To Adjust Strong, Weak Echoes

    Since the AGC function does not affect weak echoes, a small school of fish becomes easier to detect. The FSV-25 has three types of AGC settings, [AGC Distance], [AGC Near], and [AGC Far]. Adjust them so that the AGC works only on bottom reflections.

  • Page 42: How To Shorten Pulse Length

    2. HORIZONTAL MODE 2.7.2 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 43: How To Suppress Bottom And Sea Surface Reflections In Shallow Waters

    2. HORIZONTAL MODE How to Suppress Bottom and Sea Surface Reflections in Shallow Waters 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 near gain and AGC functions, especially when the Tilt is set to a larger angle in order to track schools of fish approaching within 400 m.

  • Page 44: 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 45: Interference Rejector

    2. HORIZONTAL MODE 2.9.3 Interference rejector The interference rejector suppresses randomly appearing noise, sea surface reflec- tions, and interference from other acoustic sounding equipment. Set it so that noise is just eliminated. Do not use an unnecessarily high setting since it may also reject small, wanted echoes.

  • Page 46: 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 47: Reverberation

    2. HORIZONTAL MODE 2.9.6 Reverberation You can reduce the strength of reverberation from sea-surface, sea-bottom and plank- ton layer, with [Reverberation] on the [TX/RX Setting] ([H1] or [H2] tab). The setting range is 0 to 3. The reverberation setting is automatically set to “0” when the range is 100 m or less.

  • Page 48: 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-25/FSV-25S can not track a school of fish if the level of the echo is too weak. Track of...

  • Page 49: Fish Mode

    2. HORIZONTAL MODE 6. Click [Tracking Method]. Quit 7. Click [Fish] or [Target Mark]. Cancel See section 2.11.2 and section 2.11.3. Target Mark 8. Click [Quit] on the setting box then to close the box. Fish 9. Long-push the MENU/ESC key to close all menus. 2.11.2 Fish mode The automatic echo target lock function automatically tracks the operator-selected...

  • Page 50: 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 51: 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. The setting range is 0 to 100 t/1000 m [Volume Setup]: Sets volume constant for calculation of weight (ton) of school of fish volume.

  • Page 52: 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. Quit 2. Click [Others]. Cancel 3. Click [Display Setting]. Head Up 4. Click [Presentation Mode]. North Up 5. Click desired mode. Course Up 6.

  • Page 53: 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. Click [Others]. 3. Click [Alarm & Audio]. Alarm &...

  • Page 54: Automatic Training

    2. HORIZONTAL MODE 2.13.3 Automatic training You may automatically scan the audio sector and audio bearing mark in the sector of ±12°, ±24° or ±36° as shown below. 1. First activate the range and audio bearing marks with the R/B AUDIO key. 2.
  • Page 55 2. HORIZONTAL MODE 9. Rotate the trackball clockwise to select the ending point then push the left button. The display paints a fan-shaped alarm zone. The alarm range appears on the display as shown below. << Alarm Zone >> Move trackball cursor to origin of alarm zone and left click.

  • Page 56: How To Set The Fish Alarm Level

    2. HORIZONTAL MODE 2.14.2 How to set the fish alarm level You can the set the echoes colors that trigger the fish alarm. 1. Press the MENU/ESC key to show the main menu. 2. Click [Others]. 3. Click [Alarm & Audio]. 4.

  • Page 57: How To Relocate A School Of Fish

    2. HORIZONTAL MODE 2.15 How to Relocate a School of Fish The offcenter feature relocates a school of fish. 1. Operate the trackball to place the cursor on the position where you want to relo- cate the own ship mark. 2.
  • Page 58 2. HORIZONTAL MODE Estimate mark 1 Estimate mark 2 North mark Relative fish volume Note: The fish school mark and event mark 1 can be entered with the fish estimate mark. For details, contact your dealer. Fish histogram The fish histogram shows, in graph form, signal strength distribution for the school(s) of fish marked with an estimate mark on the horizontal displays.

  • Page 59: 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 circle cursor. The cross cursor changes to the circle cursor (dotted line). 83 m Diameter of the circle cursor 2.

  • Page 60: 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 61: How To Delete Fish Marks

    2. HORIZONTAL MODE This data is the latest fish mark data. [FISH] key pressed once twice three times four times 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.

  • Page 62: 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 63: 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 (transducer position) and press the EVENT key. Ten own ship position marks may be inscribed. When the ca- pacity for own ship position marks is reached the earliest own ship position mark is automatically erased.

  • Page 64: Net Course Mark

    2. HORIZONTAL MODE 2.20 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 65: Net Behavior

    2. HORIZONTAL MODE 2.21 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] - (Change confirmation window) - [Net Sonde Setting] menu.

  • Page 66: Other Menu Items

    2. HORIZONTAL MODE 2.22 Other Menu Items This section presents an overview of the horizontal display related menus not previ- ously described. 2.22.1 Display Setting menu How to change a color Display Setting Quit H1 P1 H2 P1 V P1 Noise Limiter Color : Color1...
  • Page 67 2. HORIZONTAL MODE [H-Scan Color1 (or 2 to 4) Setting]: Customizes colors. See the procedure on the next page. 1. Operate the trackball to select color then push the left button to show the color bar. H-Scan Color1 Setting Select with trackball. Quit Edit Colors12 Custom colors...
  • Page 68 2. HORIZONTAL MODE How to add a new color You can add a new color to the horizontal scan displays (1-4). 1) On the color setting window, click [Define Custom Colors]. (2) Select color. Quit Color12 (1) Click desired pallete here. (1) Click desired pallete here.
  • Page 69 2. HORIZONTAL MODE Setting method 1 Setting method 2 H-Scan Color Curve Setting H-Scan Color Curve Setting Click [Switch]. Undo Redo Switch Undo Redo Switch Default H1copy Cancel Default H1copy Cancel Apply Apply Button Function Undo Undo last action. The sonar stores the last 10 operations. Redo Redo last action.

  • Page 70: How To Interpret The Horizontal Display

    2. HORIZONTAL MODE 2.23 How to Interpret the Horizontal Display 2.23.1 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 71 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 72: Unnecessary Echoes

    2. HORIZONTAL MODE 2.23.2 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 near gain. When a decreased tilt is used, sea surface reflections cover a large area as illustrated below.
  • Page 73 2. HORIZONTAL MODE Noise and interference When the fishing ground is crowded with many fishing boats, the sonar is subject to interference from ultrasonic equipment (echo sounder or sonar) on other boats as well as those on own ship. For instance, interference from the sonar operated on other boats will show itself on the display as in (A) in the figure below.
  • Page 74 2. HORIZONTAL MODE This page is intentionally left blank. 2-44...

  • Page 75: Vertical Mode

    VERTICAL MODE Basic Operating Procedure Lower transducer. Mid protrusion key programmed to [Fixed Position]: Transducer stops at mid protrusion position. DOWN/STOP Mid protrusion key programmed to [Any Position]: Transducer stops at desired position. Full protrusion Press appropriate key. Turn on power. Adjust postion of vertical bearing mark.

  • Page 76: How The Vertical Mode Works

    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 77: 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 78: 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. • Gain (See section 1.8.) • Display range (See section 3.5.) • Vertical bearing (See paragraph 3.2.2.) •...

  • Page 79: 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 80: Display Range

    3. VERTICAL MODE Display Range The RANGE control selects the detection range. The range selected is momentarily displayed in large characters at the top of the vertical 1 display. Range is always dis- played next to “R” at the lower part of the vertical 1 display. The default ranges are as shown below.

  • Page 81: How To Eliminate Weak Echoes

    3. VERTICAL MODE How to Eliminate Weak Echoes Echoes from targets such as bottom and fish return to the transducer in order of dis- tance to them, and when we compare their intensities at the transducer face, those from nearer targets are generally stronger due to little propagation attenuation and lit- tle absorption.

  • Page 82: Change Near Gain, Far Gain

    Since the AGC function does not affect weak echoes, a small school of fish becomes easier to detect. The FSV-25 has three types of AGC settings, [AGC Distance], [AGC Near], and [AGC Far]. Adjust them so that the AGC works only on bottom reflections.

  • Page 83: How To Shorten Pulse Length

    3. VERTICAL MODE [AGC Near]: Suppress gain in area closer than the [AGC Distance] setting. [AGC Far]: Suppress gain in area that is beyond the [AGC Distance] setting. 8. Click to change the setting. The setting range is 0.0 - 10.0. The larger the figure the greater the degree of sup- pression.

  • Page 84: How To Reject Sonar Interference And Noise

    3. VERTICAL 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. 3.9.1 How to identify the noise source To eliminate noise effectively, you should first identify the noise source as follows:...

  • Page 85: Noise Limiter

    3. VERTICAL MODE 2. Click [TX/RX Setting]. 3. Press the H/V/S key to select the [V] tab, then click [Freq Shift]. 4. Click to change the setting. The setting range is -20 to 20. 5. Click [Quit] on the setting box to close the box. 6.

  • Page 86: Reverberation

    3. VERTICAL MODE 4. Click [Noise Limiter]. Quit 5. Click to change the setting (setting range: 0 to 10).The Cancel higher the setting, the greater the degree of the suppression. 6. Click [Quit] on the setting box to close the box. 7.

  • Page 87: 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 Display Setting Quit 1 P1 2 P1 V P1 Noise Limiter Color : Color1 Signal Level Color Response : Color Curve1 V-Scan Color1 Setting V-Scan Color Curve1 Setting Undo...
  • Page 88 3. VERTICAL MODE Picture Setting menu Picture Setting Quit H1 P1 H2 P1 V P1 Echo Average Int Reject Int Reject (ES) Smooth Echo RNG Smooth Echo CIR 2nd Echo Rej. [Smooth Echo RNG]: Selects echo smoothing level in the range direction. The setting range is 0 to 5.

  • Page 89: 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. 321° Heading* HEADING Course* 335° SHIP COURSE 12.5kn Speed* SHIP SPEED Position format LAT/LON[DGPS] Navigator type (in brackets)*...

  • Page 90: Numeric/Graphic Data Display

    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 Where to Graphic Description Display range formats change format item...
  • Page 91 4. NUMERIC/GRAPHIC DATA DISPLAY Numeric/ Available Where to Graphic Description Display range formats change format item Fish histo- Shows signal Two marks On/Off on the [Mark Display] - [Histogram gram strength con- Disp.] menu centration of fish estimate mark inscribed on hor- izontal display.
  • Page 92 4. NUMERIC/GRAPHIC DATA DISPLAY This page is intentionally left blank.

  • Page 93: How To Customize The Sonar

    HOW TO CUSTOMIZE THE SONAR User Menu You may program 20 often-used menu items to the user menu area in the menu. The default arrangement has TX pulse length, TX power, color, color response and echo average programmed to the horizontal scan1 display. Menu Quit Menu...

  • Page 94: How To Remove Items From The User Menu

    5. HOW TO CUSTOMIZE THE SONAR 3. Click [V Mode] more than one second. The message window shown below ap- pears. ---User Menu Registration--- Register Selected item will be registered in main Cancel menu. 4. Click [Register]. 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.

  • Page 95: Function Keys (F1 To F10)

    5. HOW TO CUSTOMIZE THE SONAR Function Keys (F1 to F10) The function keys provide one-touch display of desired menu item or entire menu. The default function key settings are as below. Not all menu items and menus may be pro- grammed to the function keys.

  • Page 96: How To Check Function Key Programs

    5. HOW TO CUSTOMIZE THE SONAR 2. Press desired function key for more than one second. The message shown below appears for five seconds. <<Function Key Registration>> Replace the function to new setting. Press the key again to proceed. 3. Press the same function key again, and the message shown below appears. <<Function Key Registration>>...

  • Page 97: How To Erase Programs

    5. HOW TO CUSTOMIZE THE SONAR 4. Click [F-KEY List]. Record Still Image Play Still Image Event Mark1 Event Mark2 Confirm Fish Mark Own Ship Pos Mark Ship’s Track Stabilization Net Course Mark Gain Knob Setting 5. Click [Confirm] to close the window. 6.

  • Page 98: How To Program The Function Keys Of Remote Controller

    5. HOW TO CUSTOMIZE THE SONAR 5. Click [Changeable]. Quit Cancel 6. Click the function key for which you want to erase its program then push the left button. Repeat this step for other function keys. 7. Click [Quit] on the setting box to close the setting box. 8.

  • Page 99: User Prog Control

    5. HOW TO CUSTOMIZE THE SONAR 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 100 5. HOW TO CUSTOMIZE THE SONAR 5. Do one of the following then push the left button. • For [H/V Interlock]: Select [Assign User Prog]. • For [H/V Individual]: Select Assign [User Prog-H/S] or [Assign User Prog-V]. 6. Click [Changeable]. One of the following displays appears depending on your se- lection.

  • Page 101: Others Menu

    OTHERS MENU This chapter provides descriptions for the [Others] menu. To display the [Others] menu, press the MENU/ESC key then click [Others]. Others Quit Erase Marks... Wheel Setting... Mid Key Setting : Fixed Position Display Setting... Alarm & Audio... Register... Record/Recall...

  • Page 102: Wheel Setting Menu

    6. OTHERS MENU Wheel Setting Menu Tilt angle (horizontal display only), range, gain, or bearing (vertical display only) can be assigned to the scrollwheel. Additionally, the direction of incrementation with scroll wheel operation also can be changed. (Applicable to tilt angle, detection range, gain, vertical bearing, user program number, and circle cursor diameter.) 1.

  • Page 103: 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 click [Others] and [Display Setting] in succession. Quit Display Setting Mode Selection : Mode Key Echo Display Area : Within Range H2 Display...
  • Page 104 6. OTHERS MENU [TM Disp Range]: Selects how many times to expand the display range in the true motion mode. 1.3R (R=Range) and 1.6R are available. Note: When you set [TM Disp Range] to 1.3R and [Full Screen Area] to 1.6R, the full screen area for the TM mode becomes 1.6R.

  • Page 105: Alarm & Audio Menu

    6. OTHERS MENU To control timer start and stop from the timer window, do as follows: 1. With the timer stopped, press the function key assigned to timer operation. Time measurement starts, and the label on the [ ] button changes to [ ]. 2.

  • Page 106: Register Menu

    6. OTHERS MENU [Reverberation]: Selects the length of reverberation for audio signal. The setting range is 0 to 9. 0 is no reverberation. The larger the setting, the longer the reverbera- tion. Register Menu The [Register] menu provides various programming functions. To show this menu, click [Register] on the [Others] menu.

  • Page 107: Initial Setting Menu

    6. OTHERS MENU Initial Setting Menu The [Initial Setting] menu sets up language, remote controller, and 12 sub menus, which contain settings for various marks. Note: Operation on the [Initial Setting] menu is stopped whenever the transducer con- trol keys are operated. Re-set this menu after concluding transducer operations. 1.
  • Page 108 6. OTHERS MENU Monitor Setting menu The [Monitor Setting] menu sets the function of dual monitors. Click [Monitor Setting] on the [Initial Setting] menu to show the [Monitor Setting] menu. Monitor Setting Quit 2nd Monitor Setting : Dual Display Monitor Resolution : Auto [2nd Monitor Setting]: Selects the display format for the sub monitor ([OFF], [Dual Display], [Sub Display]).
  • Page 109 6. OTHERS MENU Mark Display menu The [Mark Display] menu turns on/off marks. Click [Mark Display] on the [Initial Set- ting] menu to show the [Mark Display] menu. Mark Display Quit Heading Mark : ON Range Rings : ON Bearing Scale : ON Own Ship’s Track Plot : ON...
  • Page 110 6. OTHERS MENU Mark, description Mark appearance [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 111 6. OTHERS MENU Mark Size menu The [Mark Size] menu lets you select the size and shape of the marks. Click [Mark Size] on the [Initial Setting] menu to show the [Mark Size] menu. Mark Size Quit Trackball Mark : + Small Target Lock Mark : Normal Target Vector...
  • Page 112 6. OTHERS MENU [Own Ship’s Track Plot]: Selects the amount of track to display; 5R, 10R, 20R, 40R (R=Range). Data Display menu This menu turns on/off alphanumeric data. Click [Data Display] on the [Initial Setting] menu to show the [Data Display] menu. Data Display Quit Range&Bearing...
  • Page 113 6. OTHERS MENU Current Vec & Wind menu The [Current Vec & Wind] menu sets up tidal current and wind data. Click [Current Vec & Wind] on [Initial Setting] menu to show the [Current Vec & Wind] menu. Current Vec & Wind Quit Current Data : Water Current...
  • Page 114 6. OTHERS MENU Net SONDE Setting menu The [Net SONDE Setting] menu sets up the net sonde. Click [Net SONDE Setting] on the [Initial Setting] menu to show the [Net SONDE Setting] menu. Net SONDE Setting Quit Number of XMTR* XMTR Distance ...
  • Page 115 6. OTHERS MENU Net Shoot Setting menu The [Net Shoot Setting] menu sets up net shoot parameters. Click [Net Shooting Set- ting] on the [Initial Setting] menu to show the [Net Shoot Setting] menu. Net Shoot Setting Quit Net Diameter : 500m Tilt Interlock : ON...
  • Page 116 6. OTHERS MENU Initialization menu Click [Initialization] on the [Initial Setting] menu to show the [Initialization] menu. Initialization Quit Save Ship’s Org : Execute Recall Ship’s Org : Execute Set to Default ... : Execute Item Attribution Date&Time Setting ... [Save Ship’s Org]: All menu settings are saved.

  • Page 117: 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. Right click the numeric/graphic data display to show the pop-up menu. 2.

  • Page 118: How To Save Still Images

    7. RECORD/RECALL OPERATION How to Save Still Images You can save the picture on the display as a still image. Also, you can enter the com- ment for the image. The still image data is saved at the location selected at section 7.1 with the setting da- ta.
  • Page 119 7. RECORD/RECALL OPERATION Saving with the [Record Still Image] menu 1. Right click the numeric/graphic data display to show the pop-up menu. 2. Click [Record/Recall]. 3. Click [Record Still Image]. The picture at the moment the button is pushed is shown on the display (preview). If you checked the box for [Insert Comments], the software keyboard appears.

  • Page 120: How To Display Saved Still Images

    7. RECORD/RECALL OPERATION How to Display Saved Still Images There are two ways to display saved still images. • Display the latest still image • Display a still image from the file name list 7.3.1 How to display the latest still image 1.

  • Page 121: How To Display A Still Image From The File List

    7. Click [Quit] on the still image window to close the window. How to Save Motion Images The FSV-25/FSV-25S can store motion images as shown below. 1. Right click the numeric/graphic data display to show the pop-up menu. 2. Click [Record/Recall].

  • Page 122: How To Play Back Motion Images

    7. RECORD/RECALL OPERATION How to Play Back Motion Images You can play back motion images 1. Right click the numeric/graphic data display to show the pop-up menu. 2. Click [Record/Recall]. 3. Click [Motion Image]. Quit Motion Image File Name Disk Info Monitor File name list Monitor list...

  • Page 123: How To Save Setting Data

    7. RECORD/RECALL OPERATION 6. Click [Quit] on the window to close the window. 7. Click [Quit] on the [Motion Image] window to close the window. How to Save Setting Data Current setting data can be saved, and saved setting data (P1 to P10) can be loaded into the equipment.

  • Page 124: How To Load Saved Data

    7. RECORD/RECALL OPERATION How to Load Saved Data 7.7.1 How to load the setting information This section shows you how to load the setting information saved at section 7.4. 1. Right click the numeric/graphic data display to show the pop-up menu. 2.

  • Page 125: How To Replay Setting Information

    7. RECORD/RECALL OPERATION 7.7.2 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. Right click the numeric/graphic data display to show the pop-up menu. 2.

  • Page 126: How To Delete Files

    7. RECORD/RECALL OPERATION How to Delete Files You can delete unnecessary files as shown below. 1. Right click the numeric/graphic data display to show the pop-up menu. 2. Click [Record/Recall]. 3. Click [Delete Data]. Delete Data File Location Local Disc (D:) 2011_10_10_17_21_00.jpg Destination list 2011_10_10_17_21_11.jpg...

  • Page 127: Maintenance, Troubleshooting

    MAINTENANCE, TROUBLE- SHOOTING This chapter provides maintenance and troubleshooting procedures for the operator. NOTICE WARNING ELECTRICAL SHOCK HAZARD Do not apply paint, anti-corrosive 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 128: Hull Unit Maintenance

    8. MAINTENANCE, TROUBLESHOOTING Hull Unit Maintenance Care for the hull unit by following the procedures shown below. Equivalent greases: SHOWA SHELL OIL: Shell Albania Grease S No.2 EXXON MOBIL: Mobilux EP No.2 Coat the drive shaft with Daphne NIPPON OIL CORPORATION: Multinox Eponex Grease No.2 (IDEMITSU Grease No.

  • Page 129: How To Grease Parts

    8. MAINTENANCE, TROUBLESHOOTING 8.2.1 How to grease parts How to grease the gear box 1. Unfasten the wing nuts from the gear box to remove the gear cover window. Wing Wing Gear cover Gear cover window window 2. While raising and lowering the transducer manually with the ratchet wrench (see section 8.12.2), apply Molytone No.2 grease.

  • Page 130: How To Replace The Anti-Corrosion Zinc Plates

    8. MAINTENANCE, TROUBLESHOOTING Main shaft cover Spare gasket Hex. head bolt Washer Seal support plate MAIN SHAFT 8.2.3 How to replace the anti-corrosion zinc plates CAUTION Replace the anti-corrosion zinc plates year- Corrosion may result, allowing water leakage and/or loss of transducer. The clearance between the hull and the ground or deck must be more than 900 mm.

  • Page 131: How To Replace Fuses

    8. MAINTENANCE, TROUBLESHOOTING How to Replace Fuses The processor unit, transceiver unit and hull unit carry fuses that protect the system from overvoltage and equipment fault. If the power cannot be applied, check the fol- lowing. • Check the fuse in the processor unit. •...

  • Page 132: How To Clean The Filter

    8. MAINTENANCE, TROUBLESHOOTING How to Clean the Filter The units in the illustration below have vents with filters. Check the filters for dust ac- cumulation and clean when necessary. If replacement of a filter is necessary contact your dealer. TRANSCEIVER UNIT PROCESSOR UNIT Vent Vent...

  • Page 133: 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 the fuses. •...

  • Page 134: Warning Messages

    8. MAINTENANCE, TROUBLESHOOTING Warning Messages The table below shows the warning messages which may appear on the display. All warning messages flash and are accompanied by an audio alarm, which you may si- lence with the R/B AUDIO key. Warning messages Message Meaning, Remedy Power supply...
  • Page 135 8. MAINTENANCE, TROUBLESHOOTING Message Meaning, Remedy "<<TD WRONG POSITION ALARM!!>> Meaning: The transducer is not at its in- tended position. TRANSDUCER IS KEPT AT WRONG POSITION. Remedy: Silence the buzzer with the R/B SET BACK TRANSDUCER POSITION TO NORMAL AUDIO key. Use the ↑ key to try to return BY USING ↑...

  • Page 136: Error Codes

    8. MAINTENANCE, TROUBLESHOOTING Error Codes The equipment displays a (blinking) three-digit error code at the bottom of the display when it detects internal trouble. In case of multiple error, error codes appear in numer- ical order and the maximum number of error codes is five. The codes remain on the screen until the corresponding trouble is fixed, and a buzzer sounds each time a new error code is added to the on-screen error code display.

  • Page 137: Tests

    8. MAINTENANCE, TROUBLESHOOTING 8.11 Tests A comprehensive diagnostic facility is provided for testing the equipment. If you feel the equipment is not working properly, conduct the test to find the cause. Check that the system is correctly connected before doing any test. If NG (No Good) appears in the test results for any test, contact your dealer for advice.

  • Page 138: Operation Test

    8. MAINTENANCE, TROUBLESHOOTING 8.11.2 Operation test The operation test checks the system for proper operation. Select [Operation Test] from the [Test] menu to do this test. OPERATION TEST BOARD TEST 105-0894-XX.XX 105-0926-XX.XX TRCPU-0 FSV-2503 (or 105-0896-XX.XX) = Enable = OK S2 00000000(40) CAN Unique No.

  • Page 139: Board Test

    8. MAINTENANCE, TROUBLESHOOTING 8.11.3 Board test The board test checks all the circuit boards in the system. Select [Board Test] from the [Test] menu to do this test.                          ...

  • Page 140: Panel Test

    8. MAINTENANCE, TROUBLESHOOTING 8.11.4 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 141: Test Pattern

    8. MAINTENANCE, TROUBLESHOOTING 8.11.5 Test pattern The test pattern checks for proper display of colors. Click [Test Pattern] on the [Test] menu. Push the DISP MODE key to change the test pattern. Press MENU/ESC key to cancel. Press MODE key to change test pattern. WHITE BLACK GREEN...

  • Page 142: How To Raise The Transducer From The Hull Unit

    8. MAINTENANCE, TROUBLESHOOTING 8.12 How to Raise the Transducer from the Hull Unit If the transducer cannot be raised with the switches on the control unit, because it is tangled in the net or its shaft is bent, try to raise it from the hull unit, automatically or manually, whichever works.
  • Page 143 8. MAINTENANCE, TROUBLESHOOTING 6. Push the RESET button (green) on the raise/lower control box. RESET button Green when protection circuit is deactivated. Push RESET button. Protection circuit Protection circuit activated deactivated (normal) 7. Close the cover. 8. Turn on the breaker at the ship’s mains. If you force quit the system at step 1, go to the step 8.

  • Page 144: How To Raise The Transducer Manually

    8. MAINTENANCE, TROUBLESHOOTING 8.12.2 How to raise the transducer manually WARNING Before operating the hull unit manually, check that the motor brake and shaft are working properly. See section 8.13.1. Follow the procedure below 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.

  • Page 145: How To Check The Brake In The Hull Unit

    8. MAINTENANCE, TROUBLESHOOTING 8.13 How to Check the Brake in the Hull Unit The main shaft in the hull unit has two brakes, motor brake and drive shaft brake. Have a qualified technician check the brakes yearly. Before doing the check, make sure no one is near the hull unit and transducer. Note: Record the check result in the brake check sheet at appendix 2.

  • Page 146: How To Measure The Gap In The Motor Brake

    8. MAINTENANCE, TROUBLESHOOTING 8.13.2 How to measure the gap in the motor brake 1. Pull the brake release lever toward you then push the lever upward. Brake release lever HULL UNIT Motor Brake 2. Use a radio pincers to remove two circlips from the brake release lever. Brake release lever circlip (2 pcs, left, right) 3.
  • Page 147 8. MAINTENANCE, TROUBLESHOOTING 5. Use a radio pincers to remove two lock pins (left, right). Lock pin 2 pcs, left, right 6. Remove the motor brake cover. 7. Unfasten two bolts (left, right) to access the waterproofing gasket. Remove the gasket.
  • Page 148 8. MAINTENANCE, TROUBLESHOOTING 9. Unfasten three screws to remove the waterproofing cover. Waterproofing cover 10. Use a gap gauge to measure the gap between the fixed core and the moving core. Loosen two wing screws to slide the cover and remove the gap gauge. Leaf Gap gauge Insert the leaf of the gap gauge horizontally to the place of measurement.

  • Page 149: How To Measure The Gap In The Drive Shaft Gear

    8. MAINTENANCE, TROUBLESHOOTING 8.13.3 How to measure the gap in the drive shaft gear 1. Unfasten six screw to remove the drive shaft gear cover. Drive shaft gear cover HULL UNIT 2. Use a gap gauge to measure the gap between the fixed core and moving core. See the preceding page.
  • Page 150 8. MAINTENANCE, TROUBLESHOOTING Note: Be sure the cover gas- ket is correctly seated when fastening the drive shaft gear cover. Cover gasket 8-24...

  • Page 151: Appendix 1 Menu Tree

    APPENDIX 1 MENU TREE [MENU/ESC] key TX/RX Setting TX Interval (1~9, Random 1~Random4, External Sync; 9) [H1], U: Yes/F: Yes U: No /F: Yes TX Pulse Length (0~9; 9) [H1/H2/V], U: Yes/F: Yes TX Power (0~9; 9) [H1/H2/V], U: Yes/F: Yes Reverberation (0~3;...
  • Page 152 APPENDIX 1 MENU TREE Others Display Setting Mode Selection (Mode Key, Pull-Down Menu), U: No/F: No (con’t from U: No/F: Yes Echo Disp Area (Within Range, Full Screen), U: Yes/F: Yes preceding H2 DISPLAY (Landscape, Portrait, Inset), U: Yes/F: Yes page) 2nd Monitor Setting (Portrait, Landscape), U: Yes/F: Yes V-Scan Aspect Ratio (Fixed, Flexible), U: Yes/F: Yes...
  • Page 153 APPENDIX 1 MENU TREE Others Record & Recall Still Image, U: Yes/F: Yes (con’t from U: No/F: Yes Motion Image, U: No/F: Yes preceding Setting File, U: No/F: Yes page) Save, U: No/F: No Load, U: No/F: No Delete Data, U: No/F: No Destination To Save, U: No/F: No Record Still Image (Execute), U: No/F: Yes Play Still Image (Display), U: No/F: Yes...
  • Page 154 APPENDIX 1 MENU TREE Others Initial Setting Data Display, U: No/F: No (con’t from (con’t from Range&Bearing (OFF, ON), U: No/F: No preceding preceding Fishing Area (OFF, ON), U: No/F: No page) page) Cursor Position (OFF, ON), U: No/F: No Course (32 CMPS, 360°...
  • Page 155 APPENDIX 1 MENU TREE Others Initial Setting Target Lock, U: No/F: Yes (con’t from (con’t from Tracking Method (Target Mark, Fish), U: Yes/F: Yes preceding preceding Tilt Interlock (OFF, Tilt, Tilt&Range), U: No/F: No page) page) Mark Interlock (OFF, Estimate Mark, Est&Fish Info), U: No/F: No Tracking Data (Horizontal, H&V), U: No/F: No Threshold (1~30;...

  • Page 156: Appendix 2 Brake Checking

    APPENDIX 2 BRAKE CHECKING Have a qualified technician check the brakes yearly. AP-6...

  • Page 157: Specifications

    FURUNO FSV-25/25S SPECIFICATIONS OF COLOR SCANNING SONAR FSV-25/25S GENERAL Scanning method Full digital beam forming Frequency 20 kHz Range FSV-25 Range (m) Range (m) Basic Basic range range Off-center Off-center Off-center Off-center ‘OFF’ ‘ON’ ‘OFF’ ‘ON’ 0-60 0-96 1000 0-1000...
  • Page 158 FURUNO FSV-25/25S Presentation mode Horizontal, Horizontal combination, Vertical 1 combination, Vertical 2 combination Features Custom mode, Interference rejecter, After-glow, Noise limiter, Signal level, Auto-tilt, Automatic target tracking (target lock), Fish alarm, AGC, Reverberation suppression, Noise suppression, Transducer stop location control, Over-voltage warning,...
  • Page 159 FURUNO FSV-25/25S POWER SUPPLY Processor unit 12-24 VDC: 10-5 A, includes I/F unit (48VDC) Power supply unit 100/110/115/220/230 VAC: 14 A max, 1 phase, 50/60 Hz Output for transceiver unit: 200 VAC, 1 phase, 50/60 Hz Raise/lower control box 200-220 VAC: 16 A max, 3 phase, 50/60 Hz...

  • Page 160: Index

    INDEX entering ..........2-32 horizontal display ........2-11 Fan motor test ..........8-15 vertical display..........3-8 Fish alarm Alarm & Audio menu ........6-5 alarm level........2-26 Aural detection of school of fish setting.............2-24 automatic training........2-24 FISH key ..........2-30 bearing setting........2-22 Fish marks reverberation setting ......2-24 connecting..........6-10 sector setting..........2-23 deleting...........2-31...
  • Page 161 INDEX Monitor Setting menu ........ 6-8 fish mode..........2-19 fish track plot ......... 6-10 mark interlock ........2-20 Net course mark........2-34 mode selection ........2-18 Net movement plot ........6-10 smoothing..........2-20 Net Shoot Setting menu ......6-15 target lock window......... 2-20 Net SONDE Setting menu.......
  • Page 162 (title and/or number and date of issue of the standard(s) or other normative document(s)) For assessment, see • EMC Test Report FLI 12-13-156, March 12, 2014 prepared by Furuno Labotech International Co., Ltd. This declaration is issued according to the Directive 2014/30/EU of the European Parliament and of the Council of 26 February 2014 on the harmonisation of the laws of the Member States relating to electromagnetic compatibility.

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