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GAPS - User Guide

Revision History

Edition Date Comments

F 5/2016 Pack Soft 6

G 3/2018 Pack Soft 7

H 11/2019 Pack Soft 8

MU-GAPS-AN-005-H - November 2019 3

Main Page

Table of Contents10
Introduction16
Principle16
Equipment Description17
Overview17
GAPS Head18
Gaps Box19
Web-Based User Interface19
Acoustic Transponders20
Optional Integrated DGPS21
USBL Telemetry21
Ping Stacking21
Optional Hisys Hoisting System21
Conventions and Specifications23
Conventions23
Center of Measurements, Acoustic Center and Reference Axes23
Hydrophones and Reference Frame23
Attitude24
Specifications of Gaps Acoustic Antenna25
General Characteristics25
Positioning25
Operating / Environment25
Mechanical Specifications25
Electrical Specifications26
Main Cable26
Optional Repeater Box for the Main Cable28
Optional GAPS GPS Cable30
Optional GAPS y Cable30
GAPS Box32
Power Supply34
Synchronization Signals35
Serial Link Wirings35
Installing Gaps36
Checking the Delivery36
Installing the Acoustic Antenna37
Recommendations37
Cable Curvature37
Environmental Noise37
Reflective Surfaces37
Corrosion38
Principles38
Installing the Gaps Box40
Electromagnetic Compatibility Recommendations40
Cable Curvature40
Connecting the Box41
Installing the Gps Antenna42
Installing an External GPS42
Installing the Optional Ixblue DGPS43
Identifying the GPS Lever Arms44
GPS Antenna above GAPS44
GPS Antenna Not above GAPS45
GPS Time46
Installing the Transponders46
Configuring Gaps47
Web-Based User Interface General Overview47
Main Window48
Windows and Menus Handling49
Logo Handling49
Color Code50
General Rules for Using Command Windows51
Web-Based User Interface Options52
Saving and Restoring the Settings and Options54
Saving the Settings54
Restoring the Settings or Loading Options55
Configuring the Network56
Connecting the System Directly to a Computer56
Default IP Address56
Configuring the Computer57
Connecting GAPS to a Local Network59
Configuring GAPS Network Interface60
Connection Procedure61
Configuring the Acoustic Antenna62
Configuring the Input and Output Parameters64
Configuring the Inputs64
Input Stream Parameters64
Configuring the Position Input65
Configuring the UTC Input67
Configuring the Pressure Input68
Configuring the Telemetry69
Configuring the Hoisting System70
Configuring the Outputs71
Output Stream Parameters71
Configuration Procedure72
Configuring the Internal ins of Gaps73
Setting Gaps to Work74
Defining the Tracking Parameters74
Synchronization Modes74
Recurrence and Blanking Time75
Internal Synchronization76
External Synchronization77
Ping Stacking78
Description78
Procedure79
Ping Stacking Limitations79
Entering a Sound Velocity Profile80
Loading a Profile from a Data File80
Entering Manually a Profile81
Setting up the Transponders83
Adding a Transponder86
Configuring a Transponder87
Parameters87
Procedure89
Activating a Transponder91
Deleting a Transponder91
Visualizing GAPS Data in DELPH Roadmap92
Introduction92
DELPH Roadmap Features93
Navigation Menu93
Toolbars and Panels93
Equipment Toolbar94
Panels94
Mobile Toolbar96
Real-Time Mode97
Defining an Equipment97
Configuring the Connection98
Configuring the Logging100
Connecting Equipment and Logging Data101
Editing the Display103
Replay Mode105
Importing a Navigation Data File105
Replaying a Dataset106
Visualization Tools107
Mobile Immersion107
Vertical Axis108
Range Circle109
Uncertainty Ellipse110
LBL Range111
North Oriented View113
Heading Oriented View114
Mobile Information115
Relative Positioning116
Event Marks117
Creating an Event Mark117
Managing Event Marks119
Waypoints120
Creating a Waypoint120
Managing Waypoints122
Measurements123
Creating a Measurement123
Managing the Measurements125
Exporting a Trajectory126
Coupling Gaps and Subsea ins128
List of Ixblue Subsea ins128
Coupling Principle129
Procedures131
Output Configuration in GAPS Web-Based User Interface131
Input Configuration in the Subsea ins Web-Based User Interface132
Coupling Using Mtbx2 Acoustic Communication134
Dynamic Positioning Modes135
Definition135
L-Usbl Mode136
L-Usbl-Ins Mode137
Procedure139
Operating Gaps141
Deploying the Transponders141
Launching the Survey141
Initializing the ins141
Initializing GAPS143
Controlling the Data144
Data Control Windows144
CONTROL Window145
NAVIGATION Window146
Checking the Current Voltage of Azta02C Transponder147
Deselecting a Channel for a USBL Computation148
List and Meanings of Status, Warning and Errors149
Frequency Spectrum of the Hydrophones151
Controlling Data Acquisition Using Ixblue Multilogger152
Recovering the Equipment154
Recovering GAPS154
Recovering Transponders with the Telecommand154
Maintenance156
Preventive Maintenance156
General Recommendations156
Checking the Electrical Ground158
Connecting a New GAPS BOX to GAPS159
Maintaining SUBCONN Connectors160
Maintenance from the Web-Based User Interface161
Calibrating the GAPS Acoustic Antenna161
Updating the System161
Checking the Currently Installed Options162
Resetting the System to Factory Settings162
Contacting Ixblue Technical Support163

iXBlue GAPS - Page 3

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