Edgetech Discover 4200 Owner's manual

EdgeTech

4 Little Brook Road

West Wareham, MA 02576

Tel: (508) 291-0057

Fax: (508) 291-2491

www.EdgeTech.com

DISCOVER 4200

USER SOFTWARE MANUAL

0004841_REV_C 10/13/2017

ii

DISCOVER 4200 0004841_REV_C

The information, figures, and specifications in this manual are proprietary and are issued in strict

confidence on condition that they not be copied, reprinted, or disclosed to a third party, either wholly or

in part, without the prior, written consent of EdgeTech. Any reproduction of EdgeTech supplied software

or file sharing is strictly prohibited.

iii

ABOUT THIS DOCUMENT

Thank you for purchasing our DISCOVER 4200 survey software. At EdgeTech, it is our policy to provide

high-quality, cost-effective products and support services that meet or exceed your requirements. We

also strive to deliver them on-time, and to continuously look for ways to improve them. We take pride in

the products we manufacture, and want you to be entirely satisfied with your software.

Purpose of this Manual

The purpose of this manual is to provide the user with information on the setup and use of EdgeTech’s

DISCOVER 4200 survey software. Although this manual encompasses the latest operational features of

the product, some may be periodically upgraded. Therefore, the information in this manual is subject to

change and should be used for reference only.

Liability

In no event will EdgeTech be liable for any damages, claims, or costs whatsoever arising from this

agreement and/or your use of this document, or any component thereof, including and without limitation:

any consequential, indirect, incidental damages; or any lost profits or lost savings, even if a representative

has been advised of the possibility of such loss, damages, claims, or costs; or for any claim by any third

party. EdgeTech reserves the right to update the documentation without notice at any time.

Revision History

REV

DESCRIPTION

DATE

APPROVAL

2 Release to production 01/2011 HS

A

Update formatting and content

09/2016

HS

B

Removed Target Logger & Coverage Mapper Sections

12/2016

CC

C New Discover features 10/2017 HS

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DISCOVER 4200 0004841_REV_C

Cautions and Notes

Where applicable, cautions and notes are provided in this manual as follows:

CAUTION! Identifies a potential hazard that could damage equipment or

data.

NOTE: Recommendations or general information that is particular to the

material being presented.

v

SOFTWARE SERVICE OVERVIEW

EdgeTech provides software services free of charge. This software agreement does not address customer-

specified modifications or enhancements. These services may be ordered separately. Furthermore,

EdgeTech software upgrades are meant for the sole use of EdgeTech customers. Any reproduction of

EdgeTech-supplied software or file sharing is strictly prohibited.

Software Updates and Enhancements

EdgeTech customers can download new software releases with all modifications and enhancements from

the EdgeTech ftp site. Major software issues, should they occur, will be reported directly to the customer.

New software releases consist of the following:

• Software enhancements that are not on the price list

• Software fixes and changes

• Product integration

• Documentation updates to on-line help

• Tests for compatibility with other modules

Software patches consist of software that has undergone the following:

• Minor software enhancements

• Software fixes and changes

EdgeTech customers are entitled to contact EDGETECH CUSTOMER SERVICE by telephone, facsimile, or e-mail

to report a difficulty, to discuss a problem or to receive advice on the best way to perform a task. When

contacted, EdgeTech Customer Service will do the following:

• Respond within 24 hours via Telephone, Facsimile, and E-mail Support

• Immediately attend to serious problems affecting operations

• Attempt to find an immediate work-around

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DISCOVER 4200 0004841_REV_C

CUSTOMER SERVICE

Customer service personnel at EdgeTech are always eager to hear from users of our products. Your

feedback is welcome, and is a valuable source of information which we use to continually improve these

products. Therefore we encourage you to contact EdgeTech Customer Service to offer any suggestions or

to request technical support:

NOTE: Please have your system Serial Number available when contacting

Customer Service.

E-mail: service@edgetech.com

Mail: 4 Little Brook Road

West Wareham, MA 02576

Telephone: (508) 291-0057

Facsimile: (508) 291-2491

24-Hour Emergency

Technical Support Line: (508) 942-8043

For more information please go to www.EdgeTech.com.

vii

COMPANY BACKGROUND

EdgeTech traces its history in underwater data acquisition and processing back to 1966 when it was then

called EG&G Marine Instruments. EdgeTech has designed, developed, and manufactured products,

instruments, and systems—for the acquisition of underwater data, including marine, estuarine, and

coastal applications—for over 50 years.

The company has responded to the needs of the scientific, Naval, and offshore communities by providing

equipment—such as sub-bottom profilers, side scan sonar, acoustic releases, USBL positioning systems,

and bathymetric systems—that have become standards in the industry.

EdgeTech has also consistently anticipated and responded to future needs through an active research and

development program. Current efforts are focused on the application of cutting-edge CHIRP and acoustic

technology.

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DISCOVER 4200 0004841_REV_C

TABLE OF CONTENTS

ABOUT THIS DOCUMENT ................................................................................................................... iii

Purpose of this Manual ............................................................................................................................ iii

Liability ..................................................................................................................................................... iii

Revision History ....................................................................................................................................... iii

Cautions and Notes .................................................................................................................................. iv

SOFTWARE SERVICE OVERVIEW .......................................................................................................... v

Software Updates and Enhancements...................................................................................................... v

CUSTOMER SERVICE .......................................................................................................................... vi

COMPANY BACKGROUND ................................................................................................................ vii

TABLE OF CONTENTS ....................................................................................................................... viii

LIST OF FIGURES ............................................................................................................................... xii

LIST OF TABLES ................................................................................................................................ xv

1.0 OVERVIEW ................................................................................................................................1-1

1.1 Key Features ..................................................................................................................................... 1-1

1.1.1 Side Scan Sonar ......................................................................................................................... 1-1

1.1.2 Dual-Simultaneous Sonar Display ............................................................................................. 1-2

1.1.3 Data Sources ............................................................................................................................. 1-2

1.1.4 Flexibility of the JSF Format ...................................................................................................... 1-2

1.1.5 Record during Playback ............................................................................................................. 1-2

1.1.6 Third-Party Interfacing .............................................................................................................. 1-3

1.2 NMEA-type Message Annotation Input (via Serial Port) ................................................................. 1-3

1.3 Modules ........................................................................................................................................... 1-3

1.3.1 Target Logger ............................................................................................................................ 1-3

1.3.2 Coverage Mapper ...................................................................................................................... 1-3

2.0 DISCOVER 4200 User Interface ...................................................................................................2-1

2.1 Waterfall Display .............................................................................................................................. 2-4

2.2 Shortcut Toolbar .............................................................................................................................. 2-5

2.3 A-Scan Pane ..................................................................................................................................... 2-7

2.4 Top Menu Bar................................................................................................................................... 2-9

ix

2.4.1 File Menu .................................................................................................................................. 2-9

2.4.1.1 Load Configuration ............................................................................................................. 2-9

2.4.1.2 Save Configuration ............................................................................................................. 2-9

2.4.1.3 Exit / Don’t Save Settings ................................................................................................... 2-9

2.4.1.4 Exit / Save Settings ............................................................................................................. 2-9

2.4.2 View Menu .............................................................................................................................. 2-10

2.4.2.1 Reset ................................................................................................................................ 2-10

2.4.2.2 Toolbar ............................................................................................................................. 2-10

2.4.2.3 Control Dialogs ................................................................................................................. 2-10

2.4.2.4 Altitude Display ................................................................................................................ 2-11

2.4.2.5 Depth Display ................................................................................................................... 2-11

2.4.2.6 Pitch/Roll Display ............................................................................................................. 2-11

2.4.2.7 Cable Counter Display ...................................................................................................... 2-12

2.4.2.8 Water Depth Display ........................................................................................................ 2-12

2.4.3 Configuration Menus .............................................................................................................. 2-13

2.4.3.1 Display Configuration ....................................................................................................... 2-14

2.4.3.2 Record Configuration ....................................................................................................... 2-15

2.4.3.3 Printer Configuration ....................................................................................................... 2-16

2.4.3.4 Image Capture Configuration (SSH and SSL) .................................................................... 2-18

2.4.3.5 Navigation Configuration ................................................................................................. 2-19

2.4.3.6 NMEA Navigation Configuration ...................................................................................... 2-19

2.4.3.7 Navigation Offsets ............................................................................................................ 2-20

2.4.3.8 Navigation Outputs .......................................................................................................... 2-22

2.4.3.9 External Features Configuration ...................................................................................... 2-23

2.4.3.10 Sonar Port Setting .......................................................................................................... 2-23

2.4.3.11 System Time Set Configuration ...................................................................................... 2-24

2.4.3.12 Trigger Configuration ..................................................................................................... 2-24

2.4.3.13 Network Configuration .................................................................................................. 2-24

2.4.3.14 Serial Configuration ....................................................................................................... 2-25

2.4.3.15 Alert Configuration ........................................................................................................ 2-26

2.4.3.16 MultiPulse Calibration .................................................................................................... 2-27

2.4.3.17 Layback Configuration.................................................................................................... 2-28

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DISCOVER 4200 0004841_REV_C

2.4.4 Control Menus ........................................................................................................................ 2-30

2.4.4.1 Advanced Sonar Controls ................................................................................................. 2-30

2.4.4.2 External Device Controls .................................................................................................. 2-31

2.4.4.3 Connection Information ................................................................................................... 2-32

2.4.4.4 Diagnostic Information .................................................................................................... 2-32

2.4.4.5 XTF Controls ..................................................................................................................... 2-35

2.4.5 Help ......................................................................................................................................... 2-35

2.4.5.1 About Discover ................................................................................................................. 2-35

2.5 Lower Control Panel ....................................................................................................................... 2-36

2.5.1 Main Status Line Display ......................................................................................................... 2-36

2.5.1.1 Top Line ............................................................................................................................ 2-36

2.5.1.2 Bottom Line ...................................................................................................................... 2-37

2.5.2 Radio Indicator Tabs ............................................................................................................... 2-37

2.6 Control Tabs ................................................................................................................................... 2-38

2.6.1 Towfish Control ....................................................................................................................... 2-38

2.6.1.1 DISCOVER 4200-MP Towfish Control Tab ........................................................................ 2-39

2.6.1.2 DISCOVER 4200-SP Towfish Control Tab .......................................................................... 2-40

2.6.2 Video Gains ............................................................................................................................. 2-41

2.6.3 Display ..................................................................................................................................... 2-41

2.6.4 Disk .......................................................................................................................................... 2-43

2.6.4.1 XTF Support ...................................................................................................................... 2-43

2.6.5 Bottom Tracking ...................................................................................................................... 2-44

2.6.6 Grids ........................................................................................................................................ 2-45

2.6.7 Image Capture ......................................................................................................................... 2-47

2.6.8 Printer ..................................................................................................................................... 2-48

2.6.9 Status ...................................................................................................................................... 2-48

2.6.10 Signal (4200-MP Only)........................................................................................................... 2-49

3.0 NAVIGATION-ANNOTATION .......................................................................................................3-1

3.1 NMEA Approved Sentence Structure ............................................................................................... 3-1

3.2 Port Parameters ............................................................................................................................... 3-2

3.3 Port Selection ................................................................................................................................... 3-2

xi

3.4 Inputs ............................................................................................................................................... 3-3

3.4.1 GLL: Geographic Position – Latitude / Longitude ..................................................................... 3-4

3.4.2 GXY: Geographic Position – X / Y Coordinates .......................................................................... 3-4

3.4.3 GGU: Geographic Position – X / Y Coordinates ......................................................................... 3-5

3.4.4 GGA: Global Positioning System Fix Data ................................................................................. 3-6

3.4.5 RMA: Recommended Minimum Specific Loran-C Data ............................................................ 3-6

3.4.6 RMC: Recommended Minimum Specific GNSS Data ................................................................ 3-6

3.4.7 VTG: Track Made Good & Ground Speed ................................................................................. 3-7

3.4.8 ZDA: Time & Date ...................................................................................................................... 3-7

3.4.9 HDG: Heading, Deviation & Variation ....................................................................................... 3-8

3.4.10 EVT: Event & Annotation (EdgeTech Custom) ........................................................................ 3-9

3.4.11 EMA: Event, Set Mark & Annotation (EdgeTech Custom) .................................................... 3-10

3.5 Serial Port Connections .................................................................................................................. 3-11

3.6 Troubleshooting ............................................................................................................................. 3-12

A.0 DOWNLOADING & UPDATING DISCOVER .................................................................................. A-1

B.0 Cable Counters ......................................................................................................................... B-1

B.1 MacArtney MK2 .............................................................................................................................. B-1

B.2 LCI-90 .............................................................................................................................................. B-1

B.3 TCount ............................................................................................................................................. B-1

B.4 USGS Custom 3PS SD-41 ................................................................................................................. B-2

B.5 Hypack ............................................................................................................................................. B-2

B.6 XDR .................................................................................................................................................. B-2

B.7 Hydrographic Smart Cable Counter ................................................................................................ B-2

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DISCOVER 4200 0004841_REV_C

LIST OF FIGURES

Figure 2-1: DISCOVER 4200 User Interface - Without Data ...................................................................... 2-1

Figure 2-2: DISCOVER 4200 User Interface - With Data............................................................................. 2-2

Figure 2-3: Waterfall Display + Grids Enabled & A-Scan Pane ................................................................... 2-4

Figure 2-4: Shortcut Toolbar ...................................................................................................................... 2-5

Figure 2-5: Left-hand Portion—Low Frequency Hotkey Controls .............................................................. 2-5

Figure 2-6: Center Portion ......................................................................................................................... 2-5

Figure 2-7: Right-hand Portion—High Frequency Hotkey Controls ........................................................... 2-5

Figure 2-8: The DISCOVER (4) Waterfalls without Normalized Gain and TVG ........................................... 2-7

Figure 2-9: A Cropped Close-up of the High Frequency A-Scan Pane without Normalized Gain & TVG ... 2-7

Figure 2-10: A Cropped Close-up of the Low Frequency A-Scan Pane without Normalized Gain & TVG.. 2-7

Figure 2-11: The DISCOVER (4) Waterfalls with Normalized Gain and TVG .............................................. 2-8

Figure 2-12: A Cropped Close-up of the High Frequency A-Scan Pane with Normalized Gain and TVG ... 2-8

Figure 2-13: A Cropped Close-up of the Low Frequency A-Scan Pane with Normalized Gain and TVG .... 2-8

Figure 2-14: The DISCOVER Drop-Down Menu Options ............................................................................ 2-9

Figure 2-15: File Menu ............................................................................................................................... 2-9

Figure 2-16: View Menu ........................................................................................................................... 2-10

Figure 2-17: Altitude Display Dialogue Box .............................................................................................. 2-11

Figure 2-18: Depth Display Dialogue Box ................................................................................................. 2-11

Figure 2-19: Pitch/Roll Display Dialogue Box ........................................................................................... 2-11

Figure 2-20: Cable Counter Display Dialogue Box .................................................................................... 2-12

Figure 2-21: Water Depth Display Dialogue Box ...................................................................................... 2-12

Figure 2-22: Configuration Menu ............................................................................................................. 2-13

Figure 2-23: Navigation Configuration Submenu .................................................................................... 2-13

Figure 2-24: Display Configuration .......................................................................................................... 2-14

Figure 2-25: Display Buttons .................................................................................................................... 2-14

Figure 2-26: Record Configuration Window ............................................................................................ 2-15

Figure 2-27: Printer Configuration Window ............................................................................................ 2-16

Figure 2-28: Printer Interface Dropdown ................................................................................................ 2-17

Figure 2-29: Image Capture Configuration Window ................................................................................ 2-18

Figure 2-30: Navigation Configuration ..................................................................................................... 2-19

xiii

Figure 2-31: Navigation Configuration Window ...................................................................................... 2-19

Figure 2-32: Baud Rate Options ............................................................................................................... 2-20

Figure 2-33: Navigation Offsets Window ................................................................................................. 2-20

Figure 2-34: Navigation Output Popup .................................................................................................... 2-22

Figure 2-35: The Baud Rate Selection Drop Down ................................................................................... 2-22

Figure 2-37: External Features Configuration .......................................................................................... 2-23

Figure 2-38: Sonar Serial Configuration ................................................................................................... 2-23

Figure 2-39: System Time Set Configuration ........................................................................................... 2-24

Figure 2-40: Trigger Configuration ........................................................................................................... 2-24

Figure 2-41: Network Configuration Window .......................................................................................... 2-24

Figure 2-42: Serial Configuration Window ............................................................................................... 2-25

Figure 2-43: Alert Configuration Window ................................................................................................ 2-26

Figure 2-44: The Multipulse Configuration .............................................................................................. 2-27

Figure 2-45: Layback Window .................................................................................................................. 2-28

Figure 2-46: Layback Diagram .................................................................................................................. 2-29

Figure 2-47: Control Menu ....................................................................................................................... 2-30

Figure 2-48: Advanced Sonar Controls Window ...................................................................................... 2-30

Figure 2-49: External Device Controls ...................................................................................................... 2-31

Figure 2-50: Connection Information ...................................................................................................... 2-32

Figure 2-51: Diagnostic Information Window .......................................................................................... 2-32

Figure 2-52: Serial Port Fault Due to being Configured by Unused ......................................................... 2-33

Figure 2-53: Network Error ...................................................................................................................... 2-34

Figure 2-54: Fish Off ................................................................................................................................. 2-34

Figure 2-55: XTF Controls Window .......................................................................................................... 2-35

Figure 2-56: Help Menu ........................................................................................................................... 2-35

Figure 2-57: About Discover .................................................................................................................... 2-35

Figure 2-58: The Multipulse Lower Control Panel ................................................................................... 2-36

Figure 2-59: The Singlepulse Lower Control Panel .................................................................................. 2-36

Figure 2-60: The Main Status Line Display Section of the Lower Control Panel ...................................... 2-36

Figure 2-61: The Radio Indicator Tabs Section of the Lower Control Panel ............................................ 2-37

Figure 2-62: The Top of the Control Tabs ................................................................................................ 2-38

Figure 2-63: DISCOVER 4200-MP Towfish Control Tab ............................................................................ 2-39

Figure 2-64: DISCOVER 4200-SP Towfish Control Tab ............................................................................. 2-40

Figure 2-65: The Video Gains Tab ............................................................................................................ 2-41

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DISCOVER 4200 0004841_REV_C

Figure 2-66: The Display Tab .................................................................................................................... 2-41

Figure 2-67: The 9 Pre-Defined Color Palette Options ............................................................................ 2-42

Figure 2-68: The Disk Tab ......................................................................................................................... 2-43

Figure 2-69: The Bottom Tracking Tab ..................................................................................................... 2-44

Figure 2-70: The Grids Tab ....................................................................................................................... 2-45

Figure 2-71: The Image Capture Tab ........................................................................................................ 2-47

Figure 2-72: The Printer Tab .................................................................................................................... 2-48

Figure 2-73: The Status Tab ..................................................................................................................... 2-48

Figure 2-74: The Signal Tab ...................................................................................................................... 2-49

Figure 3-1: Port Selection ........................................................................................................................... 3-2

Figure 3-2: Tera Term Error Message ...................................................................................................... 3-13

Figure 3-3: COM Port Not Receiving Data (Blinking Cursor) .................................................................... 3-14

Figure 3-4: Healthy GPS Data ................................................................................................................... 3-14

xv

LIST OF TABLES

Table A-1: Towfish Control Modes and Signal Outputs ........................................................................... 2-39

Table A-1: NMEA Approved Sentence Structure ....................................................................................... 3-1

Table A-1: Port Parameters ........................................................................................................................ 3-2

Table A-1: GLL – Geographic Position Latitude Longitude ......................................................................... 3-4

Table A-1: GXY – Geographic Position-X and Y Coordinates ...................................................................... 3-4

Table A-1: GGU – Geographic Position – X and Y Coordinates .................................................................. 3-5

Table A-1: GGA – Geographic Position – X and Y Coordinates .................................................................. 3-6

Table A-1: VTG: Track Made Good & Ground Speed ................................................................................. 3-7

Table A-1: ZDA: Time & Date ..................................................................................................................... 3-7

Table A-1: HDG: Heading, Deviation & Variation ....................................................................................... 3-8

Table A-1: EVT: Event & Annotation .......................................................................................................... 3-9

Table A-1: EMA: Event, Set Mark & Annotation ...................................................................................... 3-10

Table A-1: Pin Out Description ................................................................................................................. 3-11

Table B-1: MacArtney MK2 ........................................................................................................................ B-1

Table B-2: LCI-90 ........................................................................................................................................ B-1

Table B-3: TCount ....................................................................................................................................... B-1

Table B-4: Hydrographic Smart Cable Counter .......................................................................................... B-2

1-1

1.0 OVERVIEW

DISCOVER is EdgeTech’s proprietary survey software that is provided with each Side Scan and Sub-Bottom

system. This manual documents the version designed specifically for both the portable and rackmount

versions of the 4200 Side Scan Sonar System.

DISCOVER works by signaling the hardware to send out a linear CHIRP pulse, and then interpreting the

echoes that are received. The echo signals are amplified and band-limited to encompass useable array

bandwidth, and then digitized. The pulse compression and echo separation is achieved through CHIRP

Matched Filtering (MF). For each transmitted pulse, MF is implemented in digital signal processing (DSP),

where the echo data is digitally correlated with a replica of the transmit signal. The CHIRP waveform

processing provides both signal gain during the pulse compression, and out-of-band noise rejection.

The end result is high-quality images of the seafloor that can be both viewed in real-time in the program’s

“waterfall” display, and recorded as a JSF file or XTF file for later playback.

1.1 Key Features

Along with the crisp images that EdgeTech’s DISCOVER software helps to obtain and display, its ease-of-

use both during and post-survey sets it apart from other survey programs. A few of these aspects are

highlighted below:

• High/Low Frequency Waterfall Displays

• A-Scan Pane

• Data recording and playback

• NMEA GPS Navigation input

• Sonar commands and controls

• Sonar diagnostics

• Ping (return) number

• Manual Marks

• Event/Fix Marks (sent to DISCOVER from a Custom GPS string or a switch Closure from Topside

back panel)

• Thermal printer support for waterfall data output

1.1.1 Side Scan Sonar

Side scan sonar module is the main screen users will see during a survey or when viewing data. It contains

the controls for manipulating the tow vehicle’s output, such as power level, range settings, and trigger

settings, along with a waterfall display of sonar echoes themselves for both high and low frequency.

NOTE: Most images in this manual are taken from the DISCOVER 4200-

MP version, which is almost identical to DISCOVER 4200-SP, with the few

exceptions. The exceptions are called out within this text.

1.0 OVERVIEW 1-2

DISCOVER 4200 0004841_REV_C

1.1.2 Dual-Simultaneous Sonar Display

Because the 4200 system is dual-frequency (100/400 kHz, 100/600, 300/600, or 300/900 kHz), the

software displays and records both high and low frequencies simultaneously. This feature makes target

identification easier during a survey.

1.1.3 Data Sources

All data and command interfaces with the sonar sub-system are implemented using TCP/IP (Transport

Control Protocol/Internet Protocol). The source for Navigation (and other auxiliary data) is via Serial port

on the processor. A USB-to-serial adaptor may be necessary if the third-party navigation system does not

offer direct USB-to-USB interfacing. EdgeTech also allows for direct serial input to a serial port adaptor.

1.1.4 Flexibility of the JSF Format

DISCOVER records data using EdgeTech’s native JSF file format, which has the advantage of not reflecting

run-time display settings, such as screen gain, software TVG settings, etc. This allows these settings to be

fine-tuned post-survey. JSF files do reflect any settings that directly affect the Sonar System’s Operation,

such as transmitted Pulse, Range and Transmit Level.

DISCOVER allows the user to record in XTF format, but cannot playback XTF files. XTF lack some of the

flexibility offered by JSF format. Data recorded directly to XTF loses valuable system setting information

that may prove useful for later error diagnosis.

NOTE: Newer versions of XTF (V.34) do not record gain, lack valuable

system setting information, and cannot be played back in DISCOVER.

For these reasons, EdgeTech recommends acquiring and archiving data in the native JSF format. JSF files

can then be converted to XTF later if needed, but the reverse is not possible. DISCOVER automatically

records in the JSF format.

1.1.5 Record during Playback

DISCOVER’s playback and record options work independently, allowing useful options, such as:

• During playback – Record module may be started and stopped at any time

• During recording – Playback may be started, paused, and stopped at any time

• Playback – Data file source can be changed

The features above allow the user to concatenate several input files into one output file, and to "snip" a

section out of an input file to make shorter output file.

1-3

NOTE: During real-time data acquisition, only record is available and can

log data in JSF and XTF simultaneously. Record can be started or stopped

at any time during acquisition.

1.1.6 Third-Party Interfacing

The system may be optionally controlled in a limited manner (set recording path, ON/OFF pinging, range

selection, etc.), and have its data recorded by a third party program. This is accomplished using a second

dedicated Ethernet port on the 4200 topside processor, an Ethernet switch that networks both topside

processors, or by running the third-party program on the 4200 topside processor. For more information,

contact EDGETECH CUSTOMER SERVICE.

1.2 NMEA-type Message Annotation Input (via Serial Port)

The NMEA-type message annotation input allows the user to adjust settings between DISCOVER and a

user-provided Navigation System via a Serial Port. See NAVIGATION-ANNOTATION for more detail.

1.3 Modules

DISCOVER 4200 has 2 external modules: Target Logger and Coverage Mapper.

1.3.1 Target Logger

The purpose of the Target Logger is to review and call out items of interest in the data. The enhanced

Target Logger will install on machines with 4 GB RAM (or greater) and 64-bits OS, whereas the older Target

Logger will install on machine with less than 4 GB RAM or 32-bit OS.

For more information on the enhanced Target Logger, see the provided addendum in the Manuals Folder:

Target Logger Software Module Addendum [0018974].

For DISCOVER Target Logger features, see EXTERNAL FEATURES.

1.3.2 Coverage Mapper

The Coverage Mapper module provides a visualization of the area covered in a survey. This allows user to

ensure that they have covered the entirety of a particular location. The enhanced Coverage Mapper will

install on machines with 4GB RAM(or greater) and 64-bits OS, whereas the older Coverage Mapper will

install on machines with less than 4 GB RAM or 32-bits OS.

For more information on the enhanced Coverage Mapper, see the provided addendum in the Manual

Folder: Coverage Mapper Software Module Addendum [0018975].

For DISCOVER Coverage Mapper features, see EXTERNAL FEATURES.

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