Simrad SD570 Operator's Manual
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Simrad SD570 Operator's Manual

Simrad SD570 Operator's Manual

Fishery sonar
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Operator manual
Simrad SD570
Fishery sonar
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  • Page 1 Operator manual Simrad SD570 Fishery sonar www.simrad.com A L W A Y S T H E F O R E F R O N T T E C H N O L O G Y...
  • Page 3 Simrad SD570 Fishery sonar Operator manual 850- -160368 / Rev.B...
  • Page 4 Note Simrad AS makes every effort to ensure that the information contained within this document is correct. However, our equipment is continuously being improved and updated, so we cannot assume liability for any errors which may occur. Warning The equipment to which this manual applies must only be used for the purpose for which it was designed.
  • Page 5 Modes of operation This section describes the different modes of operation. Operation This section contains descriptions of all control knobs and menu systems of the SD570 sonar, as well as start and stop procedures. Maintenance This section deals with maintenance work that may be carried out by the user.
  • Page 6 Simrad SD570 Remarks References Further information about the SD570 system may be found in the following manuals: • SD570 Installation manual The reader This operator manual is intended to be used by the system operator. He/she should be experienced in the operation of positioning systems, or should have attended a Simrad training course.
  • Page 7 Operator manual Document logistics Date Written Checked Approved Unknown 02.02.04 Sect Title File P.no/Rev Cover and contents 850--130368 System familiarization 850--160137 Modes of operation 850--160138 Operation 850--160139 Maintenance 850--160140 Rev. A First edition Rev. B Re--issued with ISBN number. Only this cover and contents document changed.
  • Page 8 Simrad SD570 Blank page 850-160368 / B...
  • Page 9 System familiarization 850- 160137 / AA000 / 3- 14 SD570 System familiarization This section contains a description of the SD 570 sonar. 850--160137 / A...
  • Page 10 Simrad SD570 Document revisions Date Written by Checked by Approved by 13.01.97 SØJ SØJ (The original signatures are recorded in the company’s logistic database) 850--160137 / A...

  • Page 11: Table Of Contents

    System familiarization Table of contents INTRODUCTION ..........SD 570 UNITS .
  • Page 12 Simrad SD570 Document history (The information on this page is for internal use) Rev. A Original issue. 850--160137 / A...

  • Page 13: Introduction

    System familiarization 1 INTRODUCTION The Simrad SD 570 sonar is a medium range omnidirectional sonar, designed for small, medium and large sized fishing vessels, both purse seiners and trawlers. Great emphasis has been placed on giving the best possible presentation on the 14”...

  • Page 14: Sd 570 Units

    Simrad SD570 2 SD 570 UNITS Introduction Figure 1 shows a system diagram for the SD 570 sonar, and as can be seen, it consists of only three main units: · Sonar Control Unit · Transceiver Unit · Hull Unit A short description of each unit will be given in the following chapters.
  • Page 15 System familiarization Figure 1 - SD 570 Sonar system diagram 850--160137 / A...

  • Page 16: Sonar Control Unit

    Simrad SD570 Sonar Control Unit The Sonar Control Unit comprises a 14” display unit, a control panel, a loudspeaker and a computerized electronic unit, all housed in one console. The complete operation of the sonar system is performed from this unit.

  • Page 17: Transceiver Unit

    System familiarization The computerized electronic unit is located in the bottom section of the console, and performs the following functions: · Interfacing of the control panel · Interfacing external connections (log, gyro, etc.) · Generating the total display presentation · Generating the audio of the echo signal ·...
  • Page 18 Simrad SD570 Figure 3 - The SD 570 Transceiver Unit 850--160137 / A...

  • Page 19: Hull Unit

    System familiarization Hull Unit The SD 570 Hull Unit is designed to be lowered 1.0 meter below the ship’s hull at a maximum ship’s speed of 15 knots. The transducer can also be lowered to a middle position where only the transducer face is outside the sonar trunk.

  • Page 20: Auxiliary Equipment

    In addition to log and gyro, the following auxiliary equipment can be connected to the sonar: · Simrad echo sounder, types EQ 50, EQ 55, EQ 100, ES 380/700 or ES 500. Gives depth readout in the menu and a bottom plot on the catch data page.

  • Page 21: Functional Description

    System familiarization 3 FUNCTIONAL DESCRIPTION Introduction The basic principles of the SD 570 sonar are unique because of the 256 separate transmitter and receiver channels with their transducer elements spread around on the transducer array. The transmission, reception and data processing are under computer control, and the powerful capabilities of the sonar are results of sophisticated digital signal processing software and state of the art hardware.

  • Page 22: Fm (Frequency Modulation)

    Simrad SD570 Figure 5 - OMNI/Vertical combination The combination of the OMNI mode and the vertical slice, will give an optimal visualizing of the catch situation. In addition to the OMNI picture, the vertical slice is especially useful for visualizing the vertical distribution of a school of fish. In that...

  • Page 23: Receiving

    System familiarization Receiving A great effort has been made to reduce unwanted noise to get a clean and stable echo presentation. To achieve this goal the sonar receiver has the following filtering possibilities: BANDPASS FILTER One hardware filter for each preamplifier with a bandwidth of 1500 Hz to reduce interference and noise from signals outside the sonar frequency.
  • Page 24 Simrad SD570 TVG (Time Variable Gain) The TVG function controls the gain of the receiver so that a school with a given size and density is presented with approximately the same strength on the display, inside the regulated TVG range. This can also be seen as a filter, because it reduces the noise close to the vessel.

  • Page 25: Technical Specifications

    System familiarization 4 TECHNICAL SPECIFICATIONS Frequency: 57 kHz Range: Maximum: 4000 meters Minimum: 125 meters Source level (SL): Sound pressure measured 1 meter from the transducer: OMNI: 214 dB/1mPa Single beam: 220 dB/1mPa Detection range: 1700 m against a 0 dB target under ideal conditions Transmitter: Output power: 3500 W 256 transmitters with electronic beamforming...
  • Page 26 Simrad SD570 Modes of presentation:Bow up North up True motion 180° horizontal/audio channel 180° horizontal/echo sounder 180° horizontal/180° vertical 270° horizontal/90° vertical OMNI/180° vertical OMNI/90° vertical/echo sounder Track/search functions: Automatic position track Automatic/manual target track Automatic/manual tilt search Automatic/manual audio search...
  • Page 27 Modes of operation 850- 160138 / AA000 / 3- 14 SD570 Modes of operation This section describes the different modes of operation of the SD 570 sonar. 850--160138 / A...
  • Page 28 Simrad SD570 Document revisions Date Written by Checked by Approved by 13.01.97 SØJ SØJ (The original signatures are recorded in the company’s logistic database) 850--160138 / A...
  • Page 29 Modes of operation Table of contents INTRODUCTION ..........MODES OF OPERATION .
  • Page 30 Simrad SD570 Document history (The information on this page is for internal use) Rev. A Original issue. 850--160138 / A...

  • Page 31: Introduction

    Modes of operation 1 INTRODUCTION All operation of the sonar is made from the Sonar Control Unit. This section contains a detailed description of the different modes of operation. The man--machine interface, the normal start/stop procedure and the menu operation is described in section ”Operation”.

  • Page 32: Modes Of Operation

    Simrad SD570 2 MODES OF OPERATION General Great emphasis has been placed on giving the best possible overview presentation of the echo situation of the water volume around and under the vessel. The result is 9 different display modes, which gives a flexible choice for a large range of user applications.

  • Page 33: Bow Up

    Modes of operation Bow up In this mode the ship symbol is stationary in the centre of the screen, with the bow pointing upwards. The echo presentation can cover 360 degrees around the ship, and if OMNI is selected, all echoes will be updated for each ping. The distance from the ship symbol to the echo ring is equal to the selected range.

  • Page 34: North Up

    Simrad SD570 North up In this mode, true north is always up on the screen, and the ship symbol is stationary in the centre of the screen with the bow pointing in the direction of the ship’s course. Figure 2 - North up The echoes will also here move across the screen relative to the ship’s course and speed, and, as indicated in the figure, a course...

  • Page 35: True Motion

    Modes of operation True motion In true motion the picture is locked to a geographical position, with true north up, as shown in figure 3. Figure 3 - True motion The ship symbol moves around on the screen according to the course and speed readings.
  • Page 36 Simrad SD570 180°/Audio In this mode the upper half of the screen shows a 180° bow up presentation, while the lower part is used for a recording of the audio channel. Figure 4 - 180°/Audio The audio channel is shown with a continuous white line in the horizontal picture, and can be trained in any direction.

  • Page 37: 1805/Echo Sounder

    Modes of operation 180°/Echo sounder In this mode the upper half of the screen shows a 180° bow up presentation, while the lower part is used for an echo sounder recording. That means that the sonar acts alternately as a normal sonar and an echo sounder for each second transmission.
  • Page 38 Simrad SD570 180°/Vertical In this mode the upper half of the screen shows a 180° bow up presentation, while the lower part is used for a vertical slice presentation. In that way an echo can simultaneously be presented in both horizontal and vertical dimensions.
  • Page 39 Modes of operation 270°/Vertical This mode is specially made for purse seining, where the vertical half slice is displayed in the lower left corner for normal setting of the net on starboard side. If the net is selected to be set on the port side, the vertical half slice will be displayed in the lower right--hand corner.

  • Page 40: Omni/Vertical

    The trawl symbol can be added into the echo presentation in three different ways: · Manually from the menu. · Automatically in correct depth when connected to Simrad FS900 or FS 3300 trawl sonars. · Automatically in correct depth, distance and bearing when connected to Simrad ITI Trawl Instrumentation.
  • Page 41 Modes of operation The catch data page for trawling is selected in the menu field. Here the trawl position is presented in relation to the target, and this can be used as a sight in order to optimize the catch. In addition to showing the trawl position this page also shows all available target data.

  • Page 42: Omni/Echo Sounder

    Simrad SD570 2.10 Omni/Echo sounder This mode is also specially made for trawling, but in this mode the trawl--locked vertical slice is replaced by an echo sounder recording. This to ensure a more correct depth indication in case the sonar beam is bent because of temperature layers.
  • Page 43 Operation 850- 160139 / AA000 / 3- 14 SD570 Operation This section contains description of all control knobs and menu commands of the SD 570 sonar, as well as start and stop procedures. 850--160139 / A...
  • Page 44 Simrad SD570 Document revisions Date Written by Checked by Approved by 13.01.97 SØJ SØJ (The original signatures are recorded in the company’s logistic database) 850--160139 / A...
  • Page 45 Operation Table of contents MAN- - MACHINE INTERFACE ....... . . General .
  • Page 46 Simrad SD570 Simrad test ..........
  • Page 47 Operation Document history (The information on this page is for internal use) Rev. A Original issue. 850--160139 / A...
  • Page 48 Simrad SD570 Blank page 850--160139 / A...

  • Page 49: Man- -Machine Interface

    Operation 1 MAN- -MACHINE INTERFACE General The operating controls are located on an easily- operated control panel. As some of the functions on a sonar system are in more intensive use than others, these have their own control knobs arranged in function groups, as tilt, train, etc. The other functions are ”menu- oriented”, controlled by a single joystick.

  • Page 50: The Main Control Panel

    Simrad SD570 The main control panel Figure 2 shows the main control panel. The following pages give a detailed description of each function, and for an inexperienced operator it is recommended to try the functions on an operative sonar while reading this chapter.
  • Page 51 Operation 1. CURSOR JOYSTICK This joystick is used to move the yellow cursor (+) on the display, and can be used for the following purposes, which will be described thoroughly for each function later in this chapter: · Distance, bearing and depth indication for any position on the screen, with the readouts in yellow figures in the upper right- hand corner (lower corner for omni/vertical modes).
  • Page 52 Simrad SD570 2. MAIN SWITCH The main switch controls the mains power to the sonar, the lowering and hoisting of the transducer, and indicates the transducer position. Note ! Before lowering the transducer, check that the depth of water below the vessel is sufficient, and that the vessel’s speed is below 15 knots.
  • Page 53 Operation TRANSDUCER POSITION In addition to the indicated transducer position on the upper line in the menu field, the lights in the ON- OFF/HOIST and LOWER buttons will also indicate the transducer position: · The ON- OFF/HOIST button lights with the transducer in UPPER position.
  • Page 54 Simrad SD570 3. DISPLAY- ORIENTED PUSH BUTTONS TARGET MARKER To set a target marker, move the cursor to the target and press the button. A triangle symbol with a corresponding number will then appear at the cursor position. 8 numbered target markers may be shown simultaneously.
  • Page 55 Trawl symbol: The trawl data can be set manually in the GEAR menu, or automatically by connecting the SIMRAD FS 3000 or ITI trawl monitoring system to the sonar system. In the manual mode, the trawl symbol will be displayed on the ship’s course line, with the selected depth and distance.
  • Page 56 Simrad SD570 This button has three functions: QUICK MODE SELECTION Pressing this button in bow up mode gives a quick change to the 270° /vertical mode. This can be used for easy evaluation of the target, or for preparing the catching phase. Next operation of the button brings back the bow up mode.
  • Page 57 Operation 4. GAIN CONTROLS VOLUME The two upper push buttons control the volume of the audio channel in the loudspeaker. The audio channel is shown with a continual white line, and can be trained by the train controls. Also note that the size of the audio sector can be changed from 11° to 99°...
  • Page 58 Simrad SD570 5. RANGE CONTROLS The selected range is displayed in the upper right- hand corner of the display. The ranges are: 125, 250, 375, 500 , 750, 1000, 1500, 2000, 3000 and 4000 meters. To make an optimal position tracking or target tracking programme, the range selection will go to AUTO when selecting these modes.
  • Page 59 Operation 6. MENU JOYSTICK This joystick controls the menu operation, and can be moved in four directions: up, down, left and right. The up and down movement is used to move the menu cursor (inverted video) up and down in the menu, and the left and right movement is used as an ENTER function.
  • Page 60 Simrad SD570 7. TILT CONTROLS The tilt can be adjusted electronically from +10° to - 90°. The tilt angle is normally repeated on the tilt indicator in the upper left- hand corner, but in some of the dual modes, the tilt angle is shown directly in the vertical slice.
  • Page 61 Operation 8. ILLUMINATION These buttons controls the backlights and signal lights in the push buttons. In broad daylight only the signal lights may be selected by pressing the + button for maximum light and then releasing the button and giving it a new short press. Then only the signal lights will light up with maximum light.
  • Page 62 Simrad SD570 POSITION TRACK This tracking programme is only fully activated when both course gyro and speed log are connected to the sonar system. Place the cursor on the position to be tracked and press the button. A geographically fixed circle is then displayed, and the sonar will automatically track this position.

  • Page 63: The Menu System

    Operation 2 THE MENU SYSTEM The menu is displayed on the right--hand side of the display. In order to make an optimal use of the sonar for most types of operation, three different menus may be selected (refer to chapter 5.18.4). The table below shows the contents of the main menu for the different submenus, with reference to the chapter in which the submenu is described.
  • Page 64 Simrad SD570 If the cursor is moved below PP FILTER in the main menu, an extra menu will appear at the bottom of the menu field. This information is normally hidden because these functions are seldom used, and the system is more easily operated with an uncluttered screen.

  • Page 65: Display Controls

    Operation 3 DISPLAY CONTROLS Six display controls are located under the frame on the top of the display. Figure 3 - Display controls 1. BRIGHTNESS Adjusts the brightness of the display. turn the knob clockwise to increase the brightness. 2. CONTRAST Adjusts the contrast on the display.

  • Page 66: Start And Stop Procedures

    Simrad SD570 4 START AND STOP PROCEDURES Start procedure Note ! Before starting up the sonar, check that the depth of water below the vessel is sufficient, and that the vessel’s speed is below 15 knots, which is the maximum speed specified with the transducer lowered.

  • Page 67: Menu Operation

    Operation 5 MENU OPERATION The menu joystick can be moved in four directions: up, down, to the right and to the left. The up and down movements are used to move the cursor (inverted video) up or down to the desired position.
  • Page 68 Simrad SD570 If the operator wishes to change one of the settings in the menu, the cursor must be moved up or down until it covers the desired function. Press ENTER, and the submenu for this control function will appear on the screen. The cursor will then be on the relevant setting.

  • Page 69: Mode

    Operation Mode The sonar has nine different operational modes. To select the MODE submenu, move the menu cursor to MODE in the main menu and press ENTER. MODE: BOW UP NORTH UP TRUE MOTION 180°/AUDIO 180°/ECHOSOUND 180°/VERTICAL 270°/VERTICAL OMNI/VERTICAL OMNI/ECHOSOUND Use the menu joystick once more to select the desired operational mode.

  • Page 70: Pulse Form

    Simrad SD570 Pulse form With this function one may choose the form of the transmitter pulse: PULSE FORM.: CW SHORT CW NORMAL CW LONG *FM AUTO FM 1 FM 2 FM 4 FM 8 CW (Continuous wave): The frequency of the transmitter pulse is here constant. There is a choice between three pulse lengths: short, normal and long.
  • Page 71 Operation There is a choice between five different modes: FM- AUTO: Chooses automatically the optimal number of frequencies (1- 8) for selected range. FM- 1: Transmits one- frequency pulses with a total pulse length of 0.6 ms FM- 2: Transmits two- frequency pulses with a total pulse length of 2.5 ms FM- 4: Transmits four- frequency pulses with a total...

  • Page 72: Transmission Power

    Simrad SD570 Transmission power The transmitter operates with three different power settings in addition to OFF (passive). TX POWER...: *FULL MEDIUM The output voltage which can be checked on the voltmeter in the transceiver unit has the following values: FULL:...

  • Page 73: Ping Sector

    Operation Ping sector The ping sector is defined as the sector covered by one ping. The size of the sector can be selected between 360° (OMNI) and 11° (single beam). PING SECTOR: *OMNI 11° When choosing 11°, the current bearing will be the centre of the beam.

  • Page 74: Tvg (Time Variable Gain)

    Simrad SD570 TVG (Time Variable Gain) The TVG controls the gain in the signal amplifier. The gain is weakest just after the ping and increases in accordance with time (and therefore distance). The TVG reaches the maximum gain at 1000 meters.

  • Page 75: Agc (Automatic Gain Control)

    Operation AGC (Automatic Gain Control) This control adjusts the gain in the sonar’s preamplifier dependent on the strength of the incoming echo signals. The result is a filter- effect reducing noise and reverberation. AGC..: WEAK *MEDIUM STRONG As shown in the menu, the AGC has four different settings: - no adjustment WEAK - slow adjustment...

  • Page 76: Rcg (Reverberation Controlled Gain)

    Simrad SD570 RCG (Reverberation Controlled Gain) The RCG function is individual for each of the 32 receiving beams. Signals with small variations, like propeller noise, surface and bottom reverberation will be eliminated, while signals with fast variations, like target echoes or bottom echoes will not be removed.

  • Page 77: Pp Filter

    Operation PP Filter The sonar is equipped with a ping- to- ping filter in order to reduce all unwanted noise and echoes from the screen. The filter has three different strengths: PP FILTER..: WEAK *MEDIUM STRONG As the ping- to- ping filter compares the echoes from the last 2 (WEAK), 4 (MEDIUM) or 8 (STRONG) pings, it will take this selected amount of pings to make a stable presentation when changing most of the sonar functions.

  • Page 78: Markers

    Simrad SD570 Markers This menu shows position data (distance, bearing and depth) for the markers in the sonar picture. Positioning of markers is described in chapter 1.2.(3) “Display oriented push buttons”. MARKERS DIST. BEAR DEPT 1 12345 -134 1234 1567...

  • Page 79: Audio Sector

    Operation 5.10 Audio sector The audio sector is the part of the ping which is reflected in the audio channel. The size of the sector can be selected from the menu: AUDIO SECT.: *11° 33° 55° 77° 99° When using AUTO SEARCH for audio search, the step of the search will be equal to the selected audio sector.

  • Page 80: Tilt Step

    Simrad SD570 5.11 Tilt step When AUTO TILT has been selected, the tilt step function is used to decide by how many degrees the tilt angle is to be changed for each ping. TILT STEP..: 1° *2° 3° 4° 5°...

  • Page 81: Track Window

    Operation 5.12 Track window This function is only used when target tracking is selected. TRACKWINDOW: SMALL *MEDIUM LARGE The selected target window is presented on the bearing line. As the sonar will follow the strongest echo inside this window, it is used to prevent the sonar from locking to surface or bottom echoes close to the desired echo.

  • Page 82: Colour Threshold

    Simrad SD570 5.13 Colour threshold The strength of the echoes is presented by a scale of 32 colours on the screen. A weak echo has a cold colour (blue), medium echoes warmer colours (green, yellow) and strong echoes the warmest colours (orange, red).

  • Page 83: Display Gain

    Operation 5.14 Display gain Display gain increases or decreases the colour threshold on the screen. DISPL. GAIN: Display gain only controls the presentation on the screen, it is the gain control on the front panel which controls the receiver’s total gain.

  • Page 84: Wind Marker

    Simrad SD570 5.15 Wind marker A wind marker can be selected in the menu for COSMETICS (see chapter 5.17). The marker which can be used to indicate the wind or current direction, has to be adjusted manually. WIND MARKER: 123°...

  • Page 85: Cosmetics

    Operation 5.17 Cosmetics This menu is used to choose different ”cosmetics” on the screen. COSMETICS: ECHO DISTANC:HORIZ BEARING CARD: COMPASS CARD: DIST. RINGS.: CURSOR RING.: CURSOR BEAR.: BOW MARKER..: COURSE LINE.: MINUTE MARK.: WIND MARKER.: VERT. RING..: Similar to other menu selections, desired cosmetics are stored in a battery operated memory.
  • Page 86 Simrad SD570 With HORIZONTAL presentation, the echo distance is the distance which the vessel must sail in order to come on top of the target. With SLANT presentation the distance to the target is measured along the tilt angle. Figure 4 - Display cosmetics The rest of the submenus for cosmetics have normal ON/OFF functions.
  • Page 87 Operation The BEARING CARD is shown in white colour outermost in the echo ring, and is relative to the ship’s bow. The bearing card has a stroke for each 10°. The COMPASS CARD is also shown outermost in the echo ring, but in a yellow colour.

  • Page 88: Constants

    Simrad SD570 5.18 Constants This submenu contains functions seldom used, or they are set permanently when the sonar is installed. CONSTANTS TIME GEAR SCHOOL DATA MENU : NORMAL ALIGNMENT : 123° OPTIONS BEARING UNITS LANGUAGE: ENGLISH SIMRAD TEST The submenu for CONSTANTS contains several submenus.

  • Page 89: Time

    Operation Time Year, date and time is shown at the bottom of the main menu. This function is battery powered and continues even if the sonar is switched OFF. To change the setting, the TIME function is used. TIME: YEAR..: 1997 MONTH..: DAY..:...

  • Page 90: Gear

    Simrad SD570 Gear This function is used for selection of fishing gear and to program data for this. It is possible to preprogram the system for three different seines and three different trawls to get the right size and position of the gear symbol on the display.
  • Page 91 Operation SINKRATE.M: 0 M/M SET SINKRATE IN METER/MINUTE ?INCREASE ?DECREASE SET -1 FOR AUTO WITH DEPTH SENSOR THROW SIDE: STARB PORT TRAWL DATA TRAWL DISTANCE.M.: DEPTH..M: HEIGHT...M: WIDTH..M: DISTANCE.M: SET TRAWL DISTANCE ?INCREASE ?DECREASE SET -1 FOR AUTO WITH TRAWL SONDE DEPTH..M: SET TRAWL DEPTH ?SHALLOW...
  • Page 92 Simrad SD570 HEIGHT...M: SET TRAWL HEIGHT ?INCREASE ?DECREASE SET -1 FOR AUTO WITH TRAWL SONDE WIDTH..M: SET TRAWL WIDTH ?INCREASE ?DECREASE SET -1 FOR AUTO WITH TRAWL SONDE 850--160139 / A...

  • Page 93: School Data

    Operation School data This function is used to obtain information on the volume in tons and the movement of a school when the sonar is in the automatic target tracking programme. SCHOOL DATA TYPE OF FISH MOVEMENT When TYPE OF FISH is selected, the presumed tons per 1000 m is presented.
  • Page 94 Simrad SD570 By using the MOVEMENT function it is possible to calculate the position of a school being target tracked at any given time: MOVEMENT: ?10 MINUTES ?0 = OFF It is here possible to estimate the position of the school at a given time (from one to ten minutes).

  • Page 95: Menu

    Operation Menu There is a choice between three different modes of menu operation: MENU..: NORMAL SHORT NORMAL FULL The two tables in chapter 2 show the differences between SHORT and NORMAL/FULL menu operation. SHORT This shortened menu version is recommended for novice sonar operators.

  • Page 96: Alignment

    Simrad SD570 Alignment If the Hull Unit is installed differently from what is recommended (0° mark towards the bow), the echo picture has to be aligned on the display. The complete alignment procedure is described in section “Start- up procedures” in the Installation Manual.

  • Page 97: Options

    Operation Options When connecting options (additional equipment), the sonar system must be told what has been connected. This is done by using the menu for options as shown below. OPTIONS: ECHOSOUND.: ES500 TRAWL SYST: DEPTH SENS: NONE ECHOSOUND.: NONE EQ50 EQ100 ES380 ES500...

  • Page 98: Bearing

    Simrad SD570 Bearing This function is used for selecting the bearing data to be relative to the ship, or to be true north readouts. BEARING TRUE The following data will change when selecting relative or true bearing: · Cursor bearing readout.

  • Page 99: Units

    By selecting FEET or FATHOMS, the scale for range may produce some strange values as these are computed from the original meter scale. TEMP..: °CELS °FAHR The temperature selection is only valid when the sonar is connected to the Simrad ITI trawl system. 850--160139 / A...

  • Page 100: Language

    Simrad SD570 Language The sonar is usually delivered with English menu texts. By using the LANGUAGES menu any listed language can be selected. LANGUAGE: ENGLISH FRENCH SPANISH ICELANDIC RUSSIAN NORWEGIAN Language is normally selected at installation. Simrad test These tests are only used for start- up and service purposes.

  • Page 101: Standard

    Operation 5.19 Standard The sonar is equipped with a battery memory which will remember all selected settings even if the sonar is switched off. The STANDARDS function might be of assistance if one has got lost in the settings. STANDARD: SET ALL VALUES TO NORMAL POSITION When STANDARD is selected, the settings of the sonar will revert...

  • Page 102: Test

    Simrad SD570 5.20 Test TEST NONE BITE SPB1 BITE SPB2 BITE MEM256 BITE TRIF BITE RX The BITE (Built In Test Equipment) system is normally used for test and service in case of faults in the system. 850--160139 / A...

  • Page 103: Course

    Operation 5.21 Course If a gyro with a stepper or synchro output is connected to the sonar, the text ADJUST COURSE will be shown every time the sonar system is switched ON. This is a reminder that the course shown on the screen must be adjusted in accordance with the gyro course.

  • Page 104: Speed

    Simrad SD570 5.22 Speed When a speed log is connected to the sonar system the indicated speed automatically complies with that of the speed log. If the speed log system is faulty or if a log is not connected, the speed can be set manually as explained in the submenu below.

  • Page 105: Vertical Menu

    Operation 5.23 Vertical menu When the menu system is selected to FULL (refer to chapter NO TAG), most parameters for the vertical picture can be selected separately in the vertical menu. This menu will appear under MODE in the main menu whenever a vertical menu is selected and the menu cursor is moved below MODE.

  • Page 106: Catch Data Page For Purse Seiners

    Simrad SD570 5.24 Catch data page for purse seiners When the menu cursor is in the main menu or the extra menu, and the menu joystick is pressed to the left, a catch data page will be displayed in the menu field. There is one catch data page for purse seiners and one for trawlers, stated with the NET or TRAWL selection in the GEAR menu.
  • Page 107 Operation 850--160139 / A...
  • Page 108 Simrad SD570 When the seine circle is selected, and the GEAR button is pressed when shooting the net, both the time and the amount of the shot net start running. If an echo sounder is connected to the sonar, the bottom profile will be drawn.

  • Page 109: Catch Data Page For Trawlers

    Operation 5.25 Catch data page for trawlers When a trawl is selected in the GEAR menu, and the menu cursor is in the main menu or the extra menu, the catch data page for trawling will be displayed in the menu field when the menu joystick is pressed to the left.
  • Page 110 The trawl opening size can be selected manually in the GEAR menu. The trawl depth can also be manually selected, or automatically if a Simrad FS 3300 or ITI trawl system is connected to the sonar. If an echo sounder is connected to the sonar, a white bottom line will indicate the depth.
  • Page 111 Maintenance 850- 160140 / AA000 / 3- 14 SD570 Maintenance This section deals with maintenance work that may be carried out by the user. 850--160140 / A...
  • Page 112 Simrad SD570 Document revisions Date Written by Checked by Approved by 13.01.97 SØJ SØJ (The original signatures are recorded in the company’s logistic database) 850--160140 / A...
  • Page 113 Maintenance Table of contents INTRODUCTION ..........SONAR CONTROL UNIT .
  • Page 114 Simrad SD570 Document history (The information on this page is for internal use) Rev. A Original issue. 850--160140 / A...

  • Page 115: Introduction

    For location and replacing of these, refer to the chapter for the unit in question. Major repairs and complete overhaul of the sonar, should be left to an authorized Simrad service engineer. 850--160140 / A...

  • Page 116: Sonar Control Unit

    Simrad SD570 2 SONAR CONTROL UNIT Cleaning The cabinet should be kept clean and dry. Remove salt water residue with a soft cloth which has been moistened in fresh water. Do not use strong solvents. Note ! The display screen should be handled with care to avoid damaging the anti- glare filter coating.

  • Page 117: Replacing Fuses

    Maintenance Replacing fuses The Sonar Control Unit is fused with two 3.15A slow blow fuses on the rear wall (refer to figure 1). Figure 1 - Location of fuses in the Sonar Control Unit Before changing fuses on the Sonar Control Unit, make sure that the mains power plug at the rear of the unit is correctly mounted.

  • Page 118: Transceiver Unit

    Simrad SD570 3 TRANSCEIVER UNIT Dust filter There is a dust filter in the bottom of the Transceiver Unit. To avoid overheating, this should be inspected, and if necessary, cleaned once every third month. The dust filter is accessible from the outside of the Transceiver Unit, by unscrewing the eight finger nuts in the bottom of the unit.
  • Page 119 Maintenance Figure 2 - The transceiver power system 850--160140 / A...

  • Page 120: Hull Unit

    Simrad SD570 4 HULL UNIT General The sonar hull unit should be under continuous watch as a part of the vessel’s machinery. As it may be exposed to severe strain because of pitching and vibrations, it should be inspected for loose parts.

  • Page 121: Cleaning The Transducer

    Maintenance Figure 3 - The motor control unit Cleaning the transducer The transducer normally needs little attention. However, the transducer face should be inspected and cleaned when docking. Do not use strong solvents, but a normal synthetic soap and water. Marine growth should be carefully removed with fine--grade sandpaper or emery paper.

  • Page 122: Lubrication Of The Hull Unit

    Simrad SD570 Lubrication of the Hull Unit From the factory, the Hull Unit is lubricated with the types of oil or grease as specified below. However, if of equal quality, other types may be utilized. The numbers below refer to the lubrication points on figure 4.
  • Page 123 Maintenance Figure 4 - The Hull Unit 850--160140 / A...
  • Page 124 Simrad SD570 Blank page 850--160140 / A...
  • Page 126 E 2004 Simrad AS ISBN 82-8066-017-8 Simrad AS Strandpromenaden 50 Box 111 N-3191 Horten Telephone: +47 33 03 40 00 Facsimile: +47 33 04 29 87 M A X I M I Z I N G Y O U R...

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