Simrad EK15 - Echo Sounder Theory

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Echosoundertheory

Whenyouuseanechosoundertherearesomebasicknowledgethatyoumayndit

usefultopossess.

Topics

•Conceptsonpage268

–Observationrangeonpage268

–Bottomechoonpage269

–Wavepropagationonpage270

–Biomassonpage271

–Dynamicrangeanddisplaypresentationonpage271

–Bottomslopesonpage272

•Parametersonpage275

–TVGgainonpage275

–Outputpoweronpage277

–Pulsedurationonpage279

351718/C

267

Main Page

Table of Contents5
About this Manual13
Simrad Ek1515
Important16
When the EK15 Is Not Used16
When You Are Docking Your Vessel16
If Something Breaks down16
When You Switch off the EK1517
Transducer Handling17
System Description17
System Diagram19
Network Security20
Support Information20
Getting Started22
Power On/Off Procedures23
Powering up the EK1523
Powering down the EK1524
Starting Normal Operation25
Setting Operational Mode 'Normal' to Start 'Pinging26
Selecting Menu Language26
Checking the Transceiver and Transducer Settings27
Checking the Bottom Detector Settings28
Checking the Colour Scale Settings29
Changing the Colour Scale to Remove the Weakest Echoes30
Checking the Echogram Settings31
Checking the Range Settings33
Saving the Current User Settings34
Operating Principles35
Cursor35
Mouse36
Trackball36
Presentation Overview37
Echo Sounder Presentations37
Title Bar39
Status Bar40
The Menu System42
The Menu Buttons42
Context Sensitive On-Line Help44
Operational Procedures45
Power On/Off Procedures46
Powering up the EK1546
Powering down the EK1547
User Setting Procedures49
Saving the Current User Settings49
Using Previously Saved Settings50
Choosing EK15 Factory Default Settings50
User Preference Procedures51
Selecting Menu Language51
Choosing Colour Presentation Theme (Palette)52
Selecting Measurement Units53
Verifying or Changing the Environmental Parameters53
Opening the Context Sensitive On-Line Help54
Save and Recall Echograms55
Saving a Single Echogram Image55
Saving Echogram Sequences (Raw Data)56
Recalling Single Echogram Images57
Recalling Echogram Sequences (Raw Data)58
Accessing the Screen Capture Image Files to Delete, Move or Copy59
Accessing the Raw Data Files to Delete, Move or Copy60
Presentation Procedures61
Changing the Size of the Presentation Fields61
Selecting Echogram Presentation Layout61
Selecting Which Echograms to Display62
Selecting Colour Scale and Presentation Palette62
Changing the Colour Scale to Remove the Weakest Echoes63
Echogram Procedures64
Changing the 'Ping' Parameters64
Selecting Echogram Type66
Adding Horizontal Markers to the Echogram67
Adding Vertical Markers and Annotations to the Echogram68
Selecting TVG Gain in the Echogram Dialog Box69
Removing Interference Using Sequential Pinging71
Making It Easier to See the Bottom Using White Line and Bottom Line71
Range Procedures72
Choosing Start Depth72
Choosing Automatic Start Depth73
Choosing the Vertical Range74
Bottom Detection Procedures74
Defining Maximum and Minimum Depths74
Biomass Procedures75
Monitoring the Current Biomass76
Enabling the Biomass Line76
Gain Procedures77
Adjusting the Signal Gain77
Adjusting the TVG Gain on the Active Menu78
Transmit Power and Pulse Duration Procedures80
Choosing Passive Mode of Operation80
Adjusting the Pulse Duration (Length)80
System Setup and Software Installation Procedures82
Initial Transceiver Setup82
Installing a Frequency Channel83
Disconnecting a Frequency Channel84
Modifying a Transceiver IP Address84
Updating the On-Line Help86
Software Installation Procedures88
External Interface Procedures89
Setting up Export of NMEA Data to Chosen LAN Port90
Setting up the Ethernet Output90
Setting up the Input from a Navigation System91
Setting up the Input from a Motion Sensor94
Setting up the Depth Output to a Peripheral System96
Setting up the Serial Line Annotation Input97
Test and Maintenance98
Accessing the Log Files to Retrieve Old Messages99
Transducer Handling and Maintenance100
Ek15 Calibration101
Basic Information about Calibration102
Transducer Maintenance102
Calibration Procedure103
Display Views105
Display Organization106
Title Bar108
Purpose and Description108
Logo and Product Name109
Menu Button109
Screen Capture Button110
Record Button110
Event Button110
Information Pane Icons111
Navigation Field112
Function Buttons114
Replay Bar116
Menu System117
Echograms118
Surface Echogram118
Bottom Echogram119
Pelagic Echogram120
Upwards" Echogram121
Echogram Markers122
Bottom Line122
White Line122
Variable Depth Line123
Range Other Lines123
Biomass Line123
Range Scales124
Vertical Ticks124
Annotations125
Information Panes126
About Information Panes126
Depth Information Pane127
Biomass Information Pane127
Colour Scale Information Pane128
Fish Position Information Pane129
Zoom Information Pane129
History Information Pane130
Status Bar130
Screen Captures132
The Menu System134
About Menus and Buttons135
Button Types136
Main Menu137
Operation Menu138
Display Menu139
Setup Menu140
Active Menu141
Functions and Dialog Boxes143
Main Menu; Functions and Dialogs144
User Settings Dialog Box144
Range Function146
Start Range Function148
Gain Function149
Operation Menu; Functions and Dialogs151
Operation Function152
Ping Function153
Ping Mode Function154
Ping Interval Function155
Normal Operation Dialog Box156
Record Function159
Display Menu; Functions and Dialogs161
Colour Setup Dialog Box162
Units Dialog Box164
Transparency Function165
Language Function166
Layout Dialog Box166
Display Options Dialog Box168
About Dialog Box171
Setup Menu; Functions and Dialogs172
Synchronization Dialog Box173
Annotations Dialog Box175
Calculation Interval Dialog Box176
Navigation Dialog Box178
Ethernet Output Dialog Box186
Depth Output Dialog Box188
Installation Menu191
Environment Dialog Box191
Remote Control Dialog Box193
I/O Setup Dialog Box196
Transceiver Installation Dialog Box201
Active Menu; Functions and Dialogs207
Echogram Dialog Box208
TVG Function217
Beam Direction Function218
Bottom Detector Dialog Box220
Calibration Dialog Box222
Secondary Functions and Dialog Boxes223
LAN Port Setup Dialog Box224
Serial Port Setup Dialog Box228
Add Serial Port Dialog Box229
Port Monitor Dialog Box229
Select Inputs Dialog Box231
Select Outputs Dialog Box233
Messages Dialog Box235
Replay File Dialog Box236
File Output Dialog Box238
EK500 Datagram Dialog Box242
Bottom Range Dialog Box245
Surface Range Dialog Box246
Single Target Detection Dialog Box247
Telegram Formats249
About the NMEA Telegram Format250
National Marine Electronics Association (NMEA)250
NMEA Telegram Principles250
Standard NMEA 0183 Communication Parameters251
NMEA Sentence Structure251
Specification of NMEA Telegrams252
DBS Depth below Surface252
DBT Depth below Transducer253
DPT Depth253
GGA Global Positioning System Fix Data254
GLL Geographical Position Latitude/Longitude254
HDG Heading, Deviation and Variation255
HDM Heading, Magnetic256
HDT Heading, True256
RMC Recommended Minimum Specific GNSS Data256
VHW Water Speed and Heading257
VLW Dual Ground/Water Distance258
VTG Course over Ground & Ground Speed258
Proprietary Telegrams and Formats259
Simrad EK500 Depth Telegram259
Kongsberg EM Attitude 1000260
Kongsberg EM Attitude 3000261
DBS Depth of Trawl below Surface262
HFB Trawl Headrope to Footrope and Bottom262
PSIMP-D PI Sensor Data262
PSIMP-D1 PI Sensor Data264
PSIMDHB Bottom Hardness and Biomass265
Sounder/Tss1 Motion Protocol266
ATS Annotation267
Proprietary Third Party Telegrams and Formats268
Atlas Depth Telegram268
Furuno Gphve Heave Telegram268
Echo Sounder Theory269
Concepts270
Observation Range270
Bottom Echo271
Wave Propagation272
Biomass273
Dynamic Range and Display Presentation273
Bottom Slopes274
Parameters277
TVG Gain277
Output Power279
Pulse Duration281
Technical Specifications284
Performance Specifications285
Weights and Outline Dimensions286
Power Specifications286
Minimum Computer Requirements287
Minimum Display Requirements288
Installation289
Installation of the System Units290
Installation of the EK15 Software290
Setting up the EK15 Transceiver(S) for the First Time291
Main Procedure291
Installing Frequency Channels292
Starting Normal Operation294
Installing a Frequency Channel294
Changing the IP Addresses When more than One Transceiver Is Used295

Simrad EK15 - Echo Sounder Theory

Table of Contents

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