Page 1 Instruction manual Simrad EQ60 Fishery echo sounder www.simrad.com M A X I M I Z I N G Y O U R P E R F O R M A N C E S E A...
Page 3 857-164342 Simrad EQ60 Fishery echo sounder Instruction manual...
Page 4: Document Revisions
ISBN 82-8066-027-5 The information contained in this document is subject to change without prior notice. Simrad AS shall not be liable for errors contained herein, or for incidental or consequential damages in connection with the furnishing, performance, or use of this document.
Page 5: System Description
System description This section of the manual presents a general description of the echo sounder system. Refer to page 1. Display views This chapter explains the layout of the echo sounder display presentation. Refer to page 15. Getting started This chapter provides an operational example to get you started with the operation.
Page 6: Table Of Contents
Simrad EQ60 Table of contents SYSTEM DESCRIPTION Introduction ..........
Page 7 The menu system Transceiver inspection Environmental parameters Navigation interface Additional interfaces Operation ........... . Overview .
Page 8 Simrad EQ60 Record ..........
Page 9 Operation ..........Printer and History Print Setup Purse Seine...
Page 10 Simrad EQ60 Basic configuration Single GPT configuration External interfaces ..........
Page 11 Additional type 1 (842-093878) Additional type 2 (541-093642) TRANSDUCER INSTALLATION Transducer location ..........General .
Page 12 Simrad EQ60 VIII 857-164342 / Rev.C...
Page 13: Introduction
SYSTEM DESCRIPTION Introduction This chapter provides a brief introduction to the Simrad EQ60 fishery echo sounder system. Related topics → → → → → → Important notice Windows NT, Windows 2000, Windows XP and Windows are either registered trademarks or trademarks of Microsoft Corporation in the United States and/or other countries.
Page 14: System Overview
The Simrad EQ60 echo sounders is designed for the professional fishery community implementing the latest innovations. • The EQ60 system is flexible and easy to configure due to the modular design. • Echo sounders ranging from relatively low-cost single beam to large multi-frequency systems can be realised.
Page 15: Basic System Diagram
(1:1) 857-164342 / Rev.C Basic system diagram: (A) = Echo sounder unit (B) = Mouse (C) = Keyboard (optional) (D) = Junction box (only if required) (E) = Transducer System description...
Page 16 Simrad EQ60 System diagram with additional transceiver: (A) = Echo sounder unit (B) = Mouse (C) = Keyboard (optional) (D) = General Purpose Transceiver (GPT) (E) = Transducers 857-164342 / Rev.C...
Page 17: Wave Propagation
Figure 1 The wave propagation principles The EQ60 transmits high energy sound wave pulses into the sea. A flat bottom reflects the transmitted wave as if it were a mirror. The propagating energy is spread over a larger and larger area as it travels down to the bottom and up again.
Page 18 Simrad EQ60 Propagation losses due to absorption are much higher in sea water than in fresh water. Absorption also increases with frequency. At 38 kHz the absorption is 0.5 dB/km in fresh water and 10 dB/km in sea water. At 200 kHz the absorption is 10 dB/km in fresh water and 50 dB/km in salt water.
Page 19: Bottom Echo
Whenever the quality of a detection is questionable the algorithm outputs a depth of 0.00 to indicate that no reliable detection was obtained. The EQ60 algorithm is designed to handle a number of difficult situations. The algorithm maintains bottom lock for a discontinuous jump in bottom depth. It avoids false bottom detections on a dense school of fish.
Page 20 Simrad EQ60 The bottom detection algorithm locks to the first good bottom return. The depth at point A rather than the depth along the transducer axis will be output for a sloped bottom. The detected depth value is always smaller than the depth along the transducer axis implying that a safety margin is automatically included.
Page 21: Observation Range
60 centimeter cod down to 800 meters, and bottom detection works down to 3800 meters. However, with the Simrad 200-7F transducer (200 kHz, 7x7 degrees, 1000 W) you can only observe that same cod down to 260 meters, and bottom detection becomes unreliable below 500 meters.
Page 22: Technical Specifications
Simrad EQ60 Technical specifications The following is a summary of the technical specifications for the EQ60 echo sounder. Note that the specifications may be changed without prior warning. Related topics → → → → Echo sounder system, page 11 Interfaces, page 12...
Page 23: Echo Sounder System
Echo sounder system • Frequency channels: 1, 2, 3 or 4 channels • Operating frequencies - Basic configuration: 38/200 kHz or 50/200 kHz - With additional GPT: 12, 18, 27, 38, 50, 70, 120, 200 • Echogram types - Surface echogram - Bottom expansion - Trawl echogram •...
Page 24: External Interfaces
Simrad EQ60 External interfaces Numerous external interfaces are provided for the EQ60 echo sounder system. Outputs • Echogram printer (Centronics parallel) • Bottom depth (NMEA) • Depth data (NMEA, Simrad or Atlas) Inputs • Navigation receiver (NMEA) • Motion sensor (Heave, roll and pitch) •...
Page 25: General Purpose Transceiver (Gpt)
General Purpose Transceiver (GPT) The General Purpose Transceiver (GPT) is an optional unit. • Transmit power: - Max 2 kW (Dual frequency GPT) - Max 4 kW (Single frequency GPT) • Receiver noise figure: 3 dB • Transducer impedance: 60 ohms •...
Page 26: Internal Pc Transceiver (Pct)
Simrad EQ60 Internal PC Transceiver (PCT) • Transmit power: Max 1 kW RMS for each channel • Transducer impedance: 60 ohms • Output protection: Short circuit and open circuit protection • Receiver noise figure: 4 dB • Receiver input range: Instantanous dynamic amplitude range -140 dBW to -20 dBW (dB relative to 1 W) •...
Page 27: Display Views
DISPLAY VIEWS Introduction This chapter provides a brief overview of the information displayed by the EQ60, and how it is organised. Related topics → → → → → → 857-164342 / Rev.C Display layout and main view, page 16 Menu bar, page 19...
Page 28: Display Organisation
Simrad EQ60 Display organisation Main view The EQ60 display is organised as follows (from top): • Menu bar • For each transceiver channel: - One header view - Two echo frames • Status bar A single channel display is shown below as an example.
Page 29: Moving The Boundary Lines
Menu The Menu bar contains the echo sounder’s main menu. A single click on one of the menu names will provide a new drop-down menu where additional choices can be made. Header For each channel, the Header view contains the current operational mode and frequency, the current depth, and the colour scale.
Page 30: Direct Access To Dialogue Boxes
Simrad EQ60 Direct access to dialogue boxes Several dialogue boxes are directly accessed from the various views on the display. Position the cursor, and right-click on the... • Mode and frequency information in the Header view to open the Transceiver Settings dialogue box.
Page 31: Menu Bar
Menu bar The EQ60 Menu bar contains the (A) Main menu (B) Menu bar The main menu has the following options: • File • View • Options • Install • Step! • Help To operate, click on the menu name and observe the drop-down menu.
Page 32: Header View
Simrad EQ60 Header view The EQ60 Header view is shown directly above the two Echo frames. The top Header view is thus located just below the Menu bar. The Header view contains the following information. (A) Transceiver settings: Current mode and frequency...
Page 33: Overview
Echo frames Overview The EQ60 Echo frames are the main information bearer on the echo sounder display. The Echo frames are usually presented in pairs with two echo frames for each channel. The Echo frame contains the following views: (A) Echogram and Range view...
Page 34: Scope
Simrad EQ60 Whenever the cursor is located within the Echogram field, a small yellow label is visible. The label provides the following information: • Left: Depth at the cursor position • Middle: Diameter coverage from the transducer beam • Right: Current gain setting To change the range, you can also use the mouse wheel.
Page 35: Status Bar
Status bar The EQ60 Status bar is located at the bottom of the display. It contains the following information: (CD10209) (A) Information applicable for the current operation (B) Event number (C) Printer logo (when printer is active) (D) Current temperature...
Page 36: Overview
Simrad EQ60 History and printer views Overview The echogram information provided on the display will differ slightly from the information provided on the printer and in the History files. This is because the annotation settings differ between the two media.
Page 37: Display Example
Display example The first illustration shows an excerpt of the display view as it appears during normal operation when several annotations have been added. The annotations are not displayed with all the information they contain, they are merely added as vertical red lines. Figure 4 Display presentation...
Page 38 Simrad EQ60 (CD10210) Figure 5 History and printer presentation (4) One Event annotation with both navigational and time information added. This annotation is controlled by the parameters in the on the printer output and in the History when you press the Event number in the Status bar.
Page 39 Display views (8) One Event annotation with no additional information added. The number shown (”0006”) is the event number. The annotation appears on the printer output and in the History when you press the Event number in the Status bar . (9) One depth annotation.
Page 40: Introduction
Introduction This chapter will guide you through the main operations of the EQ60 by the use of an operational example. The intention with this chapter is to provide you with an overview of the main functions in the echo sounder, and to demonstrate how the EQ60 may be used in a realistic operational situation.
Page 41: Before You Start
Before you start Before you start the EQ60, make sure that the necessary hardware items are correctly installed and connected. The transducer(s) must also be defined in the EQ60 software on the computer. Related topics → 857-164342 / Rev.C Physical installation of units, page 119.
Page 42: Overview
Environmental parameters To obtain correct values for the various acoustical parameters calculated by the EQ60 program, it is important that you provide the EQ60 program with accurate parameters describing the environment; sea temperature, salinity and sound velocity.
Page 43: Navigation Interface
Trawl command on the Install menu to specify the trawl position interface. • If you need to connect your EQ60 to a purse seine system, choose the Purse seine command on the Install menu to specify the purse seine system interface.
Page 44: Operation
This chapter describes a few of the most common functions used during normal operation. Selecting operational mode You are now ready to start the actual operation of the EQ60 echo sounder. The first thing to do is to choose operational mode.
Page 45: Bottom Detector Settings
The Bottom Detector dialogue box is used to define various parameters associated with the bottom detection. These include the depth range, where the EQ60 searches for the bottom. To open the Bottom Detector dialogue box, position the cursor over the displayed depth in the Header view, and click the right mouse button.
Page 46 Simrad EQ60 The Echogram dialogue box allows you to define the area of interest for the echogram. Your choice will affect the meaning and the options in the Range field in the Echogram view. You can also choose the TVG function used to calculate the acoustical values.
Page 47: Scope View
• Left: Depth at the cursor position • Middle: Diameter coverage at the transducer beam at the current cursor position • Right: Current gain setting To change the range, you can also use the mouse wheel. Place the cursor inside the Range field to do this: •...
Page 48: Data Storage
Simrad EQ60 Data storage Overview This chapter presents a brief description of the data storage functionality. Note that you can not perform all the operations described here if your echo sounder does not have a keyboard. Define storage parameters It will often be beneficial to store some of the echo information recorded during an operation.
Page 49 Getting started Related topics → Store, page 108. 857-164342 / Rev.C...
Page 50: Operational Procedures
Simrad EQ60 OPERATIONAL PROCEDURES Overview This chapter contains a number of specific procedures to be used with your EQ60 echo sounder. Related topics → → → → → Power on/off, page 39 Basic operations, page 41 Transceiver installation, page 45...
Page 51: Power On/Off
Power on/off Use the following procedures to switch the EQ60 echo sounder on and off. Power on It is assumed that the echo sounder’s hardware and software are properly installed and configured. The echo sounder memorises all its settings when power is switched off.
Page 52 Simrad EQ60 → → → → Layout, page 94 Transceiver Settings, page 114 Transceiver Installation, page 112 Options menu, page 60 857-164342 / Rev.C...
Page 53: Basic Operations
Basic operations Overview This chapter presents a number of common procedures frequently carried out on the EQ60 echo sounder. Changing the echogram settings To change the echogram settings: Related topics → Changing the range To change the range: Related topics →...
Page 54: Changing The Transmit Power
Simrad EQ60 To change the pulse length: A small value gives the best resolution, while larger values are mostly used for navigation and fishing in deep waters. Related topics → → Changing the transmit power To change the transmit power: Related topics →...
Page 55: Enabling The Depth Alarms
Related topics → → Enabling the depth alarms You can set individual alarms for minimum and maximum depth. You can also enable an alarm to sound off if the bottom track is lost. Related topics → → Adding annotations You can add several different annotations to the displayed and printed information.
Page 56 Simrad EQ60 Enable external annotations The echo sounder will accept external text annotations when these are input on the serial line. This function is permanently enabled. Related topics → → → a Enter the desired annotation text into the Text box. A keyboard must be connected to the echo sounder to allow this.
Page 57: Transceiver Installation
Transceiver installation Overview Use the following procedures to install, modify or delete frequency channels from the echo sounder set-up. The ISA bus in the built-in transceiver is searched for available channels, and these are displayed in a list. General Purpose Transceivers (GPT) physically connected to the echo sounder’s ethernet interface are identified automatically by the system.
Page 58: To Modify An Ip Address
Simrad EQ60 Related topics → To modify an IP address This procedure allows you to modify the IP address of the currently selected General Purpose Transceiver (GPT). Related topics → → Restart the echo sounder Whenever a change has been made to any of the frequency channels, you must restart the echo sounder.
Page 59: Record And Playback
Record and playback Overview You can set up the echo sounder to record the unprocessed transducer signals on the internal harddisk or other recordable media. This recorded signal may later be injected into the echo sounder’s processing software as if it arrived directly from the transceiver.
Page 60: Stop Recording
Simrad EQ60 The line number increments, and the Line field is presented with a red colour. Stop recording To stop the recording: Size of stored raw data The total size of raw data files stored on disk during operation depends on several user selections. From these selections you...
Page 61: History
The playback is started as follows: If you do not select Loop, the replay is stopped when the last recorded ping has been processed. Related topics → → History The History function is used to store echograms on bitmap format. The echo sounder may continuously save echogram pictures to the internal harddisk or an other recordable media.
Page 62 Simrad EQ60 To stop History recording: Playback To view the information recorded by the History function: The information provided by the History view is presented in a separate window. The echo sounder will operate normally in the background. However, you will not have access to any of the menues as long as the History window is open.
Page 63 Print multiple History files To print several images recorded by the History function, follow this procedure. Note that a keyboard is required. Related topics → → → → 857-164342 / Rev.C Select History on the View menu. Browse the information in the History dialogue box until you find the images you wish to print.
Page 64: Software Installation And Upgrades
Simrad EQ60 Software installation and upgrades Overview The echo sounder is initially delivered with all necessary software installed and configured. Software upgrades are useful if your echo sounder fails, and you suspect a software error. An upgrade is also required whenever the echo sounder software is modified.
Page 65: Software Upgrade Procedure
CD-ROM with a software upgrade. Un-installation procedure Use this procedure if you need to remove all the echo sounder software from the computer. Note that all data in the EQ60 directory will be erased. Software on a third party computer...
Page 66 Simrad EQ60 How to obtain a licence number Each individual computer used to run EQ60 software will require a dedicated licence code. When a third party computer is used, this code must be obtained from the manufacturer. Observe the following procedure: Open the Control Panel to access the Network connections.
Page 67 Note It is very important that the computer’s registration number is recorded correctly. Make sure that there are no misprints or misunderstandings. The licence code is generated from the registration number, and with even a single digit wrong the code will not work.
Page 68: Reference Guide
Simrad EQ60 REFERENCE GUIDE Overview This chapter describes the menus and dialogue boxes in detail. Related topics → → → Echo sounder menus, page 57 Dialogue boxes, page 65 Status bar, page 64 857-164342 / Rev.C...
Page 69: Menus
Menus Main menu The Main menu contains the following options: → → → → → → Note that a number of dialogue boxes are accessed directly using right-click on certain display fields. Step! In single-step mode you command the echo sounder to perform one ping at a time by left-clicking the Step command.
Page 70: File Menu
Simrad EQ60 File menu The following commands are available on the File menu: → → → → → Operation This command option opens the these parameters to set echo sounder ping mode parameters; normal/replay, ping interval etc. Store This command option opens the dialogue box to record data.
Page 71: View Menu
View menu The View menu contains the following options: → → Layout This command opens the the layout of frequency channels on the display. History This command opens the activate a dialogue for viewing previously recorded echograms. 857-164342 / Rev.C Layout, page 94 History, page 90 Layout...
Page 72: Options Menu
Simrad EQ60 Options menu The following commands are available on the Options menu: → → → → → → → → Language This entry opens the selection. Depth unit All depth values are expressed in meters, English feet (1 ft = 0.3048 m), nautical fathoms (1 ftm = 1.852 m) or Italian Passi...
Page 73: Factory Settings
Reference guide Restore settings This entry reads parameter settings from static memory into the echo sounder application. No dialogues are provided. Factory settings This entry copies the default factory settings back into the sounder. A proper clean-up of the complete menu system is sometimes required in order to escape from unintentional dialogue box deadlocks.
Page 74: Install Menu
Simrad EQ60 Install menu The following commands are available on the Install menu: → → → → → → → → Transceiver This command opens the Use this to install a new transceiver, and to assign a transducer to each frequency channel.
Page 75: Help Menu
Reference guide Help menu The Help menu contains the following options: • Contents • About the echo sounder Contents This command opens the on-line user manual. This user manual is an HTML based document compiled to the CHM format designed by Microsoftt. The content of the on-line user manual is identical to the first chapters in the printed manual.
Page 76: Status Bar
Simrad EQ60 Status Bar The Status Bar at the bottom of the screen displays status messages, event number, printer active symbol, water temperature, navigational data (latitude and longitude) and time of day. (CD10209) The following information is provided on the Status bar: (A) Information - Various messages are displayed in this field;...
Page 77: Dialogue Boxes
Dialogue boxes Introduction The following chapters describe in detail all the dialogue boxes used in the EQ60 echo sounder. The dialogue boxes are presented in alphabetical order. → Advanced Navigation, page 66 → Advanced Transceiver, page 68 → Annotation, page 70 →...
Page 78: Advanced Navigation
Simrad EQ60 Advanced Navigation The Advanced Navigation dialogue box is accessed from the Navigatiuon Interface dialogue box is in turn available from the Install menu. NMEA Sentence These boxes specify which type of NMEA navigation sentence should be automatically interpreted.
Page 79 Instruction manual No. of fields - Identify the total number of fields in the ASCII message. Start field - Identify which of the fields in the message is the start field. Field separator - Identify which ASCII character is used to separate the fields in the message.
Page 80: Advanced Transceiver
Simrad EQ60 Advanced Transceiver This dialogue box is accessed from the dialogue box. It displays detailed numeric information characterising the channel. This includes transducer parameters, exact transmit frequency and receiver processing parameters. Parameters The parameters shown in this dialogue box are determined during the transceiver installation procedure.
Page 81: Related Topics
Sound velocity [m/s] - The speed of the sound through the water varies with temperature, salinity and pressure. The soundings provided by the EQ60 are compensated for this. Sample interval [m] - This value is always 1/4 of the current pulse length.
Page 82: Annotation
Simrad EQ60 Annotation The Annotation dialogue box is opened from the The EQ60 echo sounder supports these different types of annotation: • Text - use this function to enter your own text. • Time - use this annotation to automatically generate a time marker at specified intervals.
Page 83: External Events
Text The annotation text is entered here. Note that you need to have a keyboard connected to the echo sounder. The text can be entered freely, for example ”Dangerous wreck”. When you press the OK button the text is written into the echogram. The next time you open the Annotation dialogue box, the text is cleared, and you must enter new information.
Page 84 Simrad EQ60 The ASCII telegram with the external annotation must be connected to the same serial line as the navigation system. Related topics → A carriage-return and line-feed pair completes the telegram. Status Bar, page 64 857-164342 / Rev.C...
Page 85 BI 500 The BI 500 dialogue box is opened from the Install menu. The EQ60 echo sounder may communicate on an ethernet line with the BI 500 post-processing software. This dialogue box is used to set up the parameters for this communication, and to define which information the BI 500 shall receive.
Page 86 You will normally transmit all the datagrams when operating EQ60 together with BI 500. If you do not use the BI 500, do not export any datagrams. The Echogram, Echo trace and Vessel log datagrams are identical to the corresponding datagrams transmitted by the Simrad EK500 echo sounder.
Page 87: Bottom Detector
Instruction manual Bottom Detector The Bottom Detector dialogue box is opened when you right-click on the numeric depth value in the Header view on the display. This dialogue box is used to define the upper and lower depth limits most likely to be used during the echo sounder operation. These limits may be used to obtain ”bottom lock”...
Page 88 This allows the EQ60 to verify that the correct bottom depth has been located. If the value you enter is too large (close to 0 dB) the adjustments will be very small.
Page 89: Bottom Range
Instruction manual Bottom Range The Bottom Range dialogue box opens if you click the right mouse button in the range field in the Echogram and Range view while operating with a Bottom Range echogram. The different echograms are explained in the Echogram dialogue box.
Page 90: Colour Scale
Simrad EQ60 Colour Scale The Colour Scale dialogue box is opened when you right-click on the colour scale in the Header view. This dialogue controls the mapping of echo strength into one out of 12 colours, light blue for weak signals and dark brown for strong signals.
Page 91 Instruction manual Limit gain regulation - Due to the high dynamic range in the EQ60 echo sounder, invidious gain settings may result in unwanted noise. This will also cause the fish size estimates to be erroneous. This gain regulation setting will limit the receiver gain to maximum 100 dB.
Page 92: Depth Output
• The $SDDPT telegram contains the depth below the transducer and the distance between the transducer and the waterline. The EQ60 can also output the EA 500/EK500 compatible depth telegrams; D1, D2 etc. Output for Atlas echo sounders are also provided.
Page 93: Echogram
Surface - Auto Range - The echogram is related to the sea surface. Start depth is manually selected in the Surface Range dialogue box. The EQ60 performs automatic adjustment of the vertical range keeping the bottom echo inside the visible echogram.
Page 94 Surface - Auto Start - The echogram is related to the sea surface. Vertical range is manually selected in the Surface Range dialogue box. The EQ60 performs automatic adjustment of the start depth keeping the bottom echo inside the visible echogram.
Page 95 Instruction manual Range other - Two horizontal lines indicate the range presented in the lower echo frame. Purse Seine - The depth of the purse seine sensor is indicated. Vertical Markers Event - A vertical line is drawn when a new event is generated. Minute - A short vertical line is drawn in the upper part of the echogram once every minute.
Page 96 Simrad EQ60 Related topics → → → → Surface Range, page 110 Bottom Range, page 77 Trawl Range, page 118 Trawl Interface, page 116 857-164342 / Rev.C...
Page 97: Environment
Many other echo sounders are calibrated to a sound velocity of 1500 m/s. If the EQ60 is used together with other sounders it is advantageous to adjust the sound velocity on the EQ60 as well, in order to have the same depth readings.
Page 98: Shutdown
Simrad EQ60 Shutdown The Shutdown command is available from the File menu. Select this command to terminate the echo sounder program. Note You must always use this command before you turn off power! Related topics → File, page 58 857-164342 / Rev.C...
Page 99: Factory Settings
The only way to restore the operational settings is to enter them all one more time. Third, the echo sounder is restarted using the default settings chosen by Simrad. These are considered generic, and they are the same settings as when you first switched on the echo sounder.
Page 100: Heave Sensor
The Heave Sensor dialogue box is accessed from the Install menu. If you wish your echogram and detected bottom depth to be heave corrected, you need to connect the EQ60 to a heave sensor. Source Selection Off - Disregard all heave input.
Page 101: Data Input
Serial Line - Heave sensors with a serial line output are connected to a RS-232 port at the rear of the echo sounder’s processor unit. Protocol - These options are only available when Serial Line has been chosen. Use these to select serial line input format. The echo sounder recognises one character based telegram (Sounder/TSS1) and two binary telegrams (EM 1000 and EM 3000).
Page 102: History
The echograms stored in the history files are available on *.BMP format on the harddisk. A directory for these were created during the installation: c:\EQ60\history. Recording, browsing and printing the history information is described in the Operational procedures chapter. More detailed information about the History window is provided in the Display views chapter.
Page 103: Ip Address
As long as the EQ60 operates as a stand-alone system using the hardware supplied by Simrad, you will not need to change anything.
Page 104 Simrad EQ60 The address class is determined from the high-order bits of the first byte. • The first byte of a Class A address contains a zero and seven network bits. The next 24 bites identify the host. • A Class B address contains a one, a zero, 14 network bits and 16 host bits.
Page 105: Language
Instruction manual Language The Language dialogue box is accessed from the Options menu. Use this dialogue to select operational language. 857-164342 / Rev.C...
Page 106: Layout
Simrad EQ60 Layout The Layout dialogue box is accessed from the View menu. Installed frequency channels are visible on the display or hidden. This dialogue box controls how many frequency channels are visible and their layout on the display. Arrangement Visible frequency channels are vertically or horizontally arranged on the display.
Page 107: Navigation Interface
The Navigation Interface dialogue box is accessed from the Install menu. A navigation receiver or other navigational instrument can be connected to a RS-232 port of the EQ60 Processor Unit. The input may be either standard NMEA datagrams or user specific ASCII datagrams. Standard NMEA datagrams are automatically interpreted, like the GGA and GLL navigation sentences.
Page 108: Speed Input
Speed input External - to be used if navigational data is input from an external source into EQ60. The current vessel speed value is shown (when external speed input is selected) Manual - only to be used if external speed data is unavailable or unreliable.
Page 109: Operation
Instruction manual Operation The Operation dialogue box is accessed from the File menu. This is the main dialogue box for operational control. You can select operational mode and ping rate, and you can initiate recording of the echo sounder information. The sounder has two functions to greatly reduce the need for echogram printout paper: Store/Replay and History.
Page 110: External Trigger
Extern Trig entry is checked. Click this option to enable the EQ60 to work in Slave mode. The echo sounder will then await the external trigger from the peripheral system, and the transmissions from the systems will be synchronized.
Page 111 EQ60 transmits at maximum speed only limited by the speed of sound in water and/or processing delays. Selecting Single Step allows the EQ60 to conduct just one ping cycle every time the Step! entry on the Main menu is clicked, or the keyboard comination Alt+E is pressed.
Page 112: Printer And History
Simrad EQ60 Printer and History The Printer and History dialogue box allows you to control the output to the system’s colour printer. The dialogue is accessed by the Print command on the File menu. Print Check this box if you want the echogram printing to be active.
Page 113 Text background Click to select either opaque or transparent text background on the annotation printouts. Echogram speed Select any of these values to slow down the printout relative to the echo sounder speed. The ping rate will not be changed. Print Setup Click this button to access the Print Setup dialogue box.
Page 114: Print Setup
The EQ60 echo sounder uses the print mechanism of the Microsoftt operating system when sending the echogram to a printer. Virtually any modern printer can be used. This Print Setup dialogue box controls the printing process.
Page 115 Instruction manual Properties - This button activates the Properties dialogue box. This is a printer specific dialogue for entering special purpose printer parameters. You do not need to enter this dialogue box during normal operation of the echo sounder. The Properties dialogue box is part of the operating system.
Page 116: Purse Seine
Simrad EQ60 Purse Seine The Purse Seine dialogue box is accessed from the Install menu. Use the settings from this dialogue to set up the interface to the purse seine system. Depth Output This opens the Depth Output dialogue box.
Page 117: Replay
Instruction manual Replay This Replay dialogue box is accessed from the Operation dialogue box by clicking on the Files button. The Operation dialogue is in turn opened on the File menu. The Store function records the unprocessed transducer signal on the internal harddisk or an other recordable media.
Page 118 Simrad EQ60 Loop Check this box if you want the EQ60 program to loop through the currently selected replay files without stopping. Save Output Data Check this box if you want to store processed output data. This data are used by post-processing software when generating bottom contour maps.
Page 119: Rs-232 Setup
Instruction manual RS-232 Setup The RS-232 Setup dialogue box is accessed from several other dialogue boxes. It specifies the RS-232 communication settings. Identical settings must be used at the opposite side of the RS-232 cable. Parameters Port - Which RS-232 port do you want to use? Baud Rate - Select communication rate.
Page 120: Store
Simrad EQ60 Store The Store/Replay function records the unprocessed transceiver data on the internal harddisk. The recorded signal can later be injected into the echo sounder processing software as if it arrived directly from the transducer. The Store dialogue is accessed from the File menu.
Page 121 Save Output Data - Check this box if you want to store processed output data on the internal harddisk; position fixes, bottom detections, annotations. This data are used by the post-processing software when generating bottom contour maps. Line No. Enter the initial survey line number. A toggle button inside the Status bar on the display controls the start and stop of each survey line.
Page 122: Surface Range
Simrad EQ60 Surface Range The Surface Range dialogue box opens if you click the right mouse button in the range field in the Echogram and Range view while operating with a Surface Range echogram. The different echograms are explained in the Echogram dialogue box.
Page 123: Temperature Sensor
Instruction manual Temperature Sensor The Temperature Sensor dialogue box is accessed from the Install menu. Water temperature is shown on the echo sounder display provided a thermistor (temperature sensitive resistor, 10 kohm at 25 deg C) is interfaced to the system. The thermistor wires are connected directly to the Transducer connector.
Page 124: Transceiver Installation
Simrad EQ60 Transceiver Installation This dialogue box controls installation and un-installation of transceivers. The dialogue box is accessed from the Install menu. Prior to this, all echo sounder activity must be stopped. When accessed, an opening dialogue allows you to either: •...
Page 125: Frequency Channels
The frequency channel number identifies individual channels within a multi-frequency channel transceiver. Frequency channels Hence, the echo sounder system consists of a number of frequency channels. Entries in the frequency channel list are shown in black, not installed are shown in black. The phrase NONE replaces the transducer type name for uninstalled channels.
Page 126: Transceiver Settings
Simrad EQ60 Transceiver Settings The Transceiver Settings dialogue box is accessed from the Header view on the display. Place the cursor on top of the mode and frequency information, and press the right mouse button. This dialogue box controls transceiver and transducer parameters specific to the current frequency channel.
Page 127: Pulse Length
Test - The transmitter is passive and the receiver is active. Each General Purpose Transceiver board includes a signal generator injecting a weak test signal (-70.0 dBW) into the receiver’s input circuitry. The nominal power reading at the display is -70.0 dBW for channels using one transceiver board (1 kW single beam) and -64.0 dBW for channels using four boards (4 kW single beam, 4 kW split beam).
Page 128: Trawl Interface
Trawl Interface A Simrad ITI (Integrated Trawl Instrumentation) system can be connected to a RS-232 port at the rear of the EQ60 computer. Communication with the ITI system is based on NMEA telegrams. The EQ60 may transmit depth telegrams to the ITI.
Page 129 Depth Output - This button activates the Depth Output dialogue box. Related topics → → 857-164342 / Rev.C RS-232 Setup, page 107 Depth Output, page 80 Instruction manual...
Page 130: Trawl Range
Simrad EQ60 Trawl Range The Trawl Range dialogue box opens if you click the right mouse button in the range field in the Echogram and Range view while operating with a Trawl Range echogram. The different echograms are explained in the Echogram dialogue box.
Page 131: Installation
INSTALLATION Introduction This chapter contains the necessary information for installation of the various units comprising the Simrad EQ60 echo sounder. Hardware items → → → → Cables and interfaces → → Transducers → 857-164342 / Rev.C Basic installation procedure (overview), page 120...
Page 132: Basic Procedure
Connect the computer and display power cables, and the display’s VGA cable. General Purpose Transceiver The General Purpose Transceiver (GPT) is an optional add-on to the EQ60 echo sounder. It will provide additional transducers and frequency channels. Mount the General Purpose Transceiver using the appropriate brackets.
Page 133: Interfaces
Connect the transducer cable and the power cable. Connect the cable from the temperature sensor (if applicable). Install a two-wire cable for remote on/off of the GPT’s. Interfaces Ethernet An Ethernet cable must be used between the transceiver and the computer if your system includes a General Purpose Transceiver (GPT).
Page 134: Parts And Configurations
Simrad EQ60 Parts and configurations Overview The Simrad EQ60 echo sounders is designed as a modular system. It supports a variety of configurations and frequency options. A standard EQ60 fishery echo sounder delivery consists of: • Transducer(s) • Display Unit with built-in Processor Unit •...
Page 135 Only one PCT board can be installed. On a new system, the PC Transceiver is installed and tested by Simrad prior to delivery. There are no need for the user to open the echo sounder cabinet.
Page 136: Printer
Simrad EQ60 Printer A printer can be supplied. Most standard off-the-shelf colour printers can be used. A standard Windows® driver is required. 857-164342 / Rev.C...
Page 137: General Purpose Transceiver (Gpt)
General Purpose Transceiver (GPT) Overview The GPT transceiver is a self-contained unit. It can be mounted anywhere onboard the vessel. It is recommended to mount the GPT as close to the transducer(s) as possible in order to minimise the electrical interference into the transducer cable. General Purpose Transceiver (CD5467C / 820-201035/C) The General Purpose Transceiver is easily mounted with the...
Page 138: Printer
Simrad EQ60 Printer Introduction Any Microsoft Windows® compatible printer may be connected to the EQ60 Processor Unit. The connection is made with a standard Centronics type parallel cable. Hardware installation Refer to the applicable printer documentation for hardware installation. Make sure that the printer is securely mounted to withstand the shock, vibrations and movements experienced on a ship.
Page 139 Note that menus and dialogues used during printer installation are part of the operating system. These follow the language setting of the operating system. They do not comply to the language setting of the echo sounder program. 857-164342 / Rev.C On the third page, select HP in the manufacturers list, and HP DeskJet 970C in the printers list.
Page 140: Software Installation Of Unlisted Printer
Simrad EQ60 Software installation of unlisted printer To install additional printers to you echo sounder, contact your nearest Simrad dealer. 857-164342 / Rev.C...
Page 141: Cable Layout
CABLE LAYOUT Introduction This chapter describes the general installation requirements for the EQ60 system cables. These instructions must be used together with the applicable cable plan(s). Note All cable connections and installation must be made in accordance with the guidelines laid down by the vessel’s classification society.
Page 142 (Cable must be run in steel conduit) (1:1) Transducer (Cable must be run in steel conduit) Figure 6 EQ60 cable plan - basic confguration Keyboard The keyboard and mouse are connected to the same PS/2 Mouse socket using an adapter.
Page 143 Ethernet interface Figure 7 EQ60 cable plan - confguration with a single General Purpose Transceiver (GPT) 857-164342 / Rev.C SIMRAD Transducer(s) Cable layout Synchronization Sensors Remote on/off +12 Vdc AC power Ship's ground...
Page 144: Cable Specifications
Simrad EQ60 Cable specifications The cables identified in the cable plan are listed here. Each cable is identfied with a cable number and a type number. Basic configuration Type Specifications W103 Page 142 / Note 1 W103 Page 142 / Note 1...
Page 145: Single Gpt Configuration
Single GPT configuration The following additional cables are used if an optional General Purpose Transceiver (GPT) is used. Type Specifications W620b Page 151 / Note 1 W620c Page 152 / Note 1 W620a Page 150 / Note 2 W319 Page 145 W301 Page 144 W311...
Page 146: External Interfaces
Overview The echo sounder provides one or more multi purpose RS-232 ports (9-pin male D-connector) for external interfacing. On the Simrad EQ60, these are used for: • Navigation (GPS) interface (NMEA) • Annotation text input (NMEA) • Depth telegram output (NMEA) •...
Page 147: Annotation
Annotation Annotation messages may be input on the same serial line as the navigation system. The $??ATS format is used, and it has the following format.. $??ATS,this is a test<CR><LF> The telegram header consists of: The ASCII telegram with the external annotation must be connected to the same serial line as the navigation system.
Page 148: Trawl System
Simrad EQ60 The EQ60 can also output the EA 500/EK500 compatible depth telegrams; D1, D2 etc. Output for Atlas echo sounders are also provided. Only one telegram type at a time can be generated, and the same serial line parameters as for the main sensor must be used.
Page 149: Temperature Sensor
4 and 17 of the Auxiliary connector. Purse seine Communication with the Simrad PI30 (Purse Seine system) is based on NMEA telegrams. Connect the PI30 to a free RS-232 port at the rear of the computer.
Page 150: Ethernet Connections
Simrad EQ60 Ethernet connections An ethernet RJ45 cable is used to connect the Processor Unit to the General Purpose Transceiver, (GPT). The same type of cable is used between the optional HUB and external devices. Note that the cable required is not a part of the delivery.
Page 151: External Triggering
Slave operation. Master system When the EQ60 system is set up to operate as a Master in a system, the TrigOut signal from the GPT Auxiliary connector must be connected to the external trigger input on the other hydroacoustic system(s).
Page 152: Slave System
Connect the ground wire to one of the Ground pins (18-22). Note If the EQ60 system comprises more than one GPT unit, the external trigger must be connected in parallel to every GPT. → The cable and connections to the GPT is shown on page 151.
Page 153: Cable Terminations
Cable terminations Refer to the referenced specific cable drawings on the following pages for more detailed information about each cable. 857-164342 / Rev.C Cable layout...
Page 154: Generic Rs-232 Serial Line
Simrad EQ60 Generic RS-232 Serial line This cable comprises a multi-purpose serial line. It provides interface with any peripheral unit. One end of the cable connects to the local unit (DTE) with a 9-pin ’D’ connector, while the other connects to the peripheral (DCE) as described in the peripheral unit’s documentation.
Page 155: Emc Ground
EMC ground This cable is used to connect the system unit to the ship’s ground. Note that this cable must be as short as possible. Units's ground tag W311 / Rev B Conductors Screen Voltage Max.diameter 857-164342 / Rev.C Ships' ground Ship's ground 1 x 6 mm2 None...
Page 156: Standard Ac Power Cable
Simrad EQ60 Standard AC power cable This cable is a standard three-wire power cable. It is commercially available in standard lengths, or may be produced locally to suit the specific installation needs. The instrument end is terminated in a standard IEC female socket, while the other end is terminated in a plug suitable for the local standard.
Page 157: Battery
Battery This cable is used to connect a battery to the system. Red plug and red socket is normally used for positive (+). Black plug and black socket is normally used for negative (-). Banana plugs and sockets W319 / Rev. A Conductors Screen Voltage...
Page 158: Ethernet With Rj45
Simrad EQ60 Ethernet with RJ45 This cable contains the Ethernet connection. RJ45 plugs are used to terminate the cable. Note that these plugs must be screened to comply to EC rules. Pin 1 Pin 8 RJ45 plug Pairs Ethernet 10Base-T “Straight Through”...
Page 159: Ethernet With Ieee 802.3
Ethernet with IEEE 802.3 This is a standard ethernet connection. It complies to IEEE 802.3. Male 15-pin D-pin connector Ethernet socket Screen Collision presence (+) Transmit (+) Receive (+) 0 Vdc Collision presence (-) Transmit (-) Receive (-) +15 Vdc 15-pin D-pin connector W404 / Rev B...
Page 160: Centronics Printer Cable
Simrad EQ60 Centronics printer cable This is a standard Centronics printer cable. The socket on the rear side of the computer is normally a 25-pin female D-connector. 25-pin D-connector Strobe Data 0 Data 1 Data 2 Data 3 Data 4...
Page 161: Keyboard And Rollerball
Keyboard and rollerball The mouse and the display are both equipped with standard PS/2 connectors. An adapter is used to fit both simultanously into one socket. The adpater must be used at all times, even when the keyboard is disconnected. PS/2 Adapter cable...
Page 162: Remote On/Off
Simrad EQ60 Remote on/off This cable is used to connect a remote on/off switch to the General Purpose Transceiver (GPT). The switch can be located in a separate box, or incorporated on a common switch panel. SIMRAD 25-pin D-sub connector The cable screen is connected to the plug house.
Page 163: Gpt Remote Synchronisation
GPT Remote synchronisation This cable is used to connect the General Purpose Transceiver (GPT) to an external system for synchronisation purposes. SIMRAD 25-pin D-sub connector TrigOut(+) TrigOut(-) The cable screen is connected to the plug house. W620b / Rev C...
Page 164: Heave And Temperature Sensors
Simrad EQ60 Heave and Temperature sensors This cable is used to connect the General Purpose Transceiver (GPT) to external Heave and Temperature sensors. SIMRAD GPT 25-pin D-sub connector Heave(+) Heave(-) Temp(AGND) The cable screen is connected to the plug house.
Page 165: Transducer(S)
The cable between the junction box and the transceiver must then be supplied by Simrad, and this must be the same type as used on the transducer(s). Note All transducer cables must be run in steel conduits.
Page 166 Voltage Max.diameter The conductor diameter “N” depends on the chosen transducer. Normal value for single beam transducers is 1.5 mm transducer cable is available from Simrad. be connected to Junction Box (1:1) Single frequency, single beam, low power 2 x N mm2...
Page 167 Conductors Screen Voltage Max.diameter The conductor diameter “N” depends on the chosen transducer. Normal value for single beam transducers is 1.5 mm transducer cable is available from Simrad. 857-164342 / Rev.C be connected to Outer screen Plug housing Junction Box (1:1)
Page 168 Screen Voltage Max.diameter The conductor diameter “N” depends on the chosen transducer. Normal value for single beam transducers is 1.5 mm transducer cable is available from Simrad. be connected to Junction Box (1:1) Junction Box (1:1) Single frequency, dual beam...
Page 169 Screen Voltage Max.diameter The conductor diameter “N” depends on the chosen transducer. Normal value for single beam transducers is 1.5 mm transducer cable is available from Simrad. 857-164342 / Rev.C be connected to Junction Box (1:1) Dual frequency, single beam...
Page 170 W802-5 / Rev.C Conductors Screen Voltage Max.diameter The conductor diameter “N” depends on the chosen transducer. Normal value for single beam transducers is 1.5 mm transducer cable is available from Simrad. be connected to Ch.4 Ch.3 Ch.2 Ch.1 Junction Box (1:1)
Page 171 Cable colours on split beam transducers Note that the cables from the transducer may be supplied in different colours. The following colours may be used: Channel 857-164342 / Rev.C Shown in W802- -3 Cable layout Alt.A Alt B...
Page 172 Simrad EQ60 Upper plug case fastening ring Contact body Retaining ring Outer screen together with inner screen. Drain wire, fold back over jacket and temporary fastened with tape. Heat-shrinkable tubing Lower plug case Washers Bottom cap and cable clamp Rubber sleeve...
Page 173: Pc Transceiver To Transducer(S)
Screen Voltage Max. diameter The conductor diameter “N” depends on the chosen transducer. Normal value for single beam transducers is 1.5 mm transducer cable is available from Simrad.. 857-164342 / Rev.C Female 9-pin D-pin connector on PCT Board Junction Box (1:1)
Page 174: Basic Cabling Requirements
Simrad EQ60 Basic cabling requirements Cable trays All permanently installed cables associated with the system must be supported and protected along their entire lengths using conduits and/or cable trays. The only exception to this rule is over the final short distance (max. 0.5 metre) as the cables run into the cabinets/units to which they are connected.
Page 175: Radio Frequency Interference
Cable layout Radio Frequency interference All cables that are to be permanently installed within 9 m (30 ft) of any source of Radio Frequency (RF) interference such as a transmitter aerial system or radio cabin, must, unless shielded by a metal deck or bulkhead, be adequately screened by sheathing, braiding or other suitable material.
Page 176: Cable Connections
Simrad EQ60 Metallic casings, pipes and conduits must be grounded, and when fitted with joints these must be mechanically and electrically grounded. Cable connections All cable connections are shown on the applicable cable plan and interconnection diagrams. Where the cable plan shows cable connections outside an...
Page 177: Cable Gland Assembly Procedure
There are many different types of cable gland on the market. This procedure describes the types used (now and previously) as standard in the units manufactured by Simrad. The cable glands are not supplied with the system. Even though the cabinets from Simrad may be prepared for specific types, the installation shipyard will be responsible for selecting cable gland types and installing them.
Page 178: Securing And Terminating The Cables
Simrad EQ60 Note The cable’s outer insulation will extend into the cable gland to a point approximately 5 mm outside the outer surface of the cabinet wall into which the cable gland is secured. Securing and terminating the cables Follow the same procedure for all the cables and cable glands.
Page 179 Cable layout Figure 10 Multi-diameter modules (example) After the frame has been mounted, the cables can be pulled through, and in most cases the opening will be large enough even to accept the plugs on the cables. Figure 11 Multi-diameter system - Principal procedure Once the cables are through, each cable is secured with a square module, which is adjusted to fit the cable’s outer diameter.
Page 180: Standard Type
Simrad EQ60 When the required number of modules are installed, the assembly is tightened with a compression unit. This system is available with a large number of various modules and compression units, and it will also comply to screening and EMC requirements.
Page 181 Compression nut Cable Figure 13 Standard cable gland assembly Note The cable’s outer insulation will extend into the cable gland to a point approximately 5 mm outside the outer surface of the cabinet wall into which the cable gland is secured. 857-164342 / Rev.C Gland body Screen...
Page 182: Additional Type
Simrad EQ60 Follow the same procedure for all the cables and cable glands. Once all the cables have been fitted: Once all the system cables are connected and checked: Additional type 1 (842-093878) → Carefully thread the cable through the gland body till the screen collar is tight into the gland body.
Page 183: Additional Type
Inner cable (CD3685/093878) Figure 14 Cable gland, type 1 (842-093878) Additional type 2 (541-093642) → 857-164342 / Rev.C Cabinet wall Outer screen bend backwards over the rubber gasket Metal washer Rubber gasket Metal washer Cable gland body Mount the cable gland body, and tighten it with the nuts on each side of the cabinet wall.
Page 184 Simrad EQ60 Female compression cone Compression nut (CD3765/093642) Figure 15 Cable gland, type 2 (541-093642) Cable gland body Metal washers Compression cone Rubber sealing 857-164342 / Rev.C Mounting nut...
Page 185: Transducer Installation
TRANSDUCER INSTALLATION Transducer location General A single answer to the question where to locate the transducer cannot be given. It depends very much on the vessel’s construction. However, there are some important guide lines. Go deep The upper water layers of the sea contain a myriad of small air bubbles created by the breaking waves.
Page 186: Propeller Noise
Simrad EQ60 layer is thin underneath the forward part of the vessel, and increases in thickness as it moves towards aft. If the sides of the hull are steep, some of the air bubbles in the boundary layer may escape to the sea surface along the vessel sides. It is our...
Page 187: Vessel Heave
Noises from protruding objects on the hull Objects protruding from the hull, such as zinc anodes, sonar transducers or even the vessel’s keel, generate turbulence and flow noise. Also holes and pipe outlets are noise sources. They may act as resonant cavities amplifying the flow noise at certain frequencies.
Page 188: Summary
Simrad EQ60 Summary Some of the above guide lines are conflicting, and each case has to be treated individually in order to find the best compromise. Generally the propeller noise is the dominant factor, and a recommended transducer location is in the fore part of the hull, with maximum distance from the bow equal to one third of the total length of the hull at the water line.
Page 189: Ways Of Mounting The Transducer
Ways of mounting the transducer Inclination of the transducer face Incline the transducer face approximately 3 degrees, so that the flowing water meets it directly. This assures laminar water flow. Mounting screws should not be extruding from the transducer, and the space around the screws could be filled with a compound or a locking ring.
Page 190: External Mount
Simrad EQ60 External mount Some transducers have a streamlined housing, designed for installation outside the hull. Cable service loop Bedding compound Figure 19 External mounting on steel hulls A fairing, made by the shipyard, is placed between the transducer and the hull, to adapt for the deadrise angle of the hull.
Page 191 Threaded rod Cable service with nuts and loop washers Bedding Transducer compound Figure 20 External mounting on wood or polyester hulls 857-164342 / Rev.C Shim (wood) Tarred felt 3° Transducer installation Cable protecting pipe Packing nipple Rubber gasket Washer Stuffing tube Rubber gasket Washer Air outlet...
Page 192: Transducer Blister
Simrad EQ60 Transducer blister Other transducers are designed for installation into the hull or in a blister. In general, a blister installation is the recommended method. It brings the transducer below the boundary layer. A blister is illustrated below. Stuffing tube...
Page 193 The transducer cable penetrates the hull in a stuffing tube, see the figure above. Leave an adequate loop of the cable behind the transducer for easy mounting or removal of the transducer. Figure 22 Blister toe-in towards the keel (CD3018) (CD1996) Figure 23 Location of blister relative to the keel...
Page 194: In A Box Keel
Simrad EQ60 In a box keel Vessels with a box keel may use this for transducer installation. The box keel is already the deepest part of the vessel. If the box keel is too narrow to accommodate the transducer, it can be widened, either symmetrically or to one side only.
Page 195: Retractable Transducer
Retractable transducer Retractable hull units are commonly used for horizontal looking sonars. When not in use, the transducer is retracted into a trunk. The retractable hull unit is more expensive than a blister, but on vessels having a hull where it is difficult or impossible to install a blister, it may be worth-while.
Page 196: Centre Board
Simrad EQ60 Centre board The use of a centre board with the purpose of stabilising the vessel is well known. A centre board is also a superior platform for transducers. Such instrument keels have been built, mainly on research vessels, with a length of 3 m, protruding also 3 m below the hull, see the figure below.
Page 197: Flush Mounting In A Steel Tank
Flush mounting in a steel tank Flush mounting is used on very large vessels with a hull so deep that no air bubbles are found below the hull, and on vessels operating in shallow harbours or waters, where a protruding blister can not be accepted.
Page 198: Behind A Protective Acoustic Window
Vessels operating in arctic waters need special attention on transducer installation. Floating blocks of ice may damage even a flush mounted transducer face. For this situation Simrad offers ‘’arctic tanks’’ in different sizes. The transducer shown in the figure below is mounted inside the tank behind a strong acoustic window which could be made of polycarbonate.
Page 199: Inside The Hull
The loss varies with the distance between transducer face and the hull. The best result is obtained when the distance is half a wavelength. Consult Simrad for advice. In addition to the loss, the beam pattern is degraded, because a larger area of the hull is set into vibrations.
Page 200: Cable In Steel Conduit
Simrad EQ60 Cable in steel conduit It is strongly recommended to lay a steel conduit from the transducer to the echo sounder transceiver, and draw the transducer cable through the conduit. There are two reasons for this procedure. • First, it will make it easier at a later stage to replace the transducer.
Page 201 Most Simrad transducers are delivered with 20 m cable. Excess cable can be cut off, or an extension cable can be added. This is possible because all Simrad transducers have a built-in transformer for tuning and matching to the cable impedance of 75 Ohms.
Page 202: Handling And Maintenance
An anti-fouling paint may be applied to the transducer face. Because some paint types may be aggressive to the polyurethane in the transducer face, please consult Simrad’s list of approved paints on the next page. Note Arctic tanks have acoustic windows made of polycarbonate.
Page 203: Approved Anti-Fouling Paints
Approved anti-fouling paints This is Simrad’s list of approved antifouling paints on polyurethane transducer housing. From Jotun Paints, Sandefjord Norway: • Antifouling Seamate HB 33 • Antifouling Seamate HB 66 • Antifouling Seamate HB 99 • Racing • Non-stop From International Paints: •...
Page 204: Drawing File
Simrad EQ60 DRAWING FILE This chapter contains drawings referenced to in other parts of the manual. GPT Dimensions and mounting: 820-201035 (679-44), Page 193. 857-164342 / Rev.C...
Page 205 General Purpose Transceiver For panel mounting, use countersunk head screws: M5 machine screws, 4.8 mm plate screws or 5 mm wood screws. Ved panelmontering benyttes skruer med senkhode: Maskinskruer M5, 4.8 mm plateskruer eller 5 mm treskruer. Page 1 of 2 (CD5467A) 857-164342 / Rev.C Transducer...
Page 206 Simrad EQ60 Available for service Adkomst for vedlikehold Page 2 of 2 (CD5467B) Hints for installation: - Remember the earth connection on the rear panel. - All other connections are made on the front panel. - Try to make the wiring simple.
Page 208 E 2004 Simrad AS ISBN 82-8066-027-5 www.simrad.com M A X I M I Z I N G Y O U R P E R F O R M A N C E S E A...

Simrad EQ60 Instruction Manual

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