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430-044 

 

Acronyms and Abbreviations 

 

Acronym 

Meaning 

UDP 

User Datagram Protocol 

ROV 

Remotely Operated Vehicle 

VDC 

Volts Direct Current 

PC 

Personal Computer 

USB 

Universal Serial Bus 

 
 
 
 

 

Summary of Contents for 881A/L-GS

Page 1: ...Stabilized Scanning Sonar Serial Ethernet Version Imagenex Technology Corp 209 1875 Broadway Street Port Coquitlam BC Canada V3C 4Z1 Telephone 604 944 8248 Fax 604 944 8249 info imagenex com www imagenex com Number 430 044 Revision Date Description 0A December 03 2019 For internal review ...

Page 2: ...iew Color Indicator 16 3 2 10 View Compass Display 16 3 2 11 View ROV Overlay 16 3 2 12 View Main Toolbar 16 3 2 13 View Mini Settings Bar 16 3 2 14 View Show Sonar Settings 16 3 3 Color Table 17 3 4 Systems 18 3 4 1 System Choose COM Ports 18 3 4 2 System IP Address 18 3 4 3 System Diagnostics 18 3 4 4 System Sound Velocity 18 3 4 5 System Sonar Orientation 18 3 4 6 System Sonar Type 18 3 5 Optio...

Page 3: ...GPS Enable 22 3 7 2 GPS Track Plotter 22 3 7 3 GPS Erase GPS Tracks 22 3 7 4 GPS Zoom In 22 3 7 5 GPS Zoom Out 22 3 8 Video 23 3 8 1 Video Open Video Window 23 3 8 2 Video Record Video Frames to File 23 3 9 Help 24 3 9 1 Help Help 24 3 9 2 Help About 24 APPENDIX A HOT KEYS 25 APPENDIX B WINDOWS TCP IP SET UP AND TROUBLESHOOTING 26 ...

Page 4: ...OOLBAR OPTIONS 9 FIGURE 2 3 FILE POS AND SPEED CONTROL 10 FIGURE 2 4 SONAR ATTRIBUTES 10 FIGURE 2 5 DISPLAY 11 TABLE 2 6 TOOLBAR OPTIONS 12 FIGURE 2 7 ACQUIRE TARGET 13 FIGURE 2 8 BOTTOM LEFT 13 FIGURE 2 9 COMPASS DISPLAY 14 FIGURE 2 10 ROV OVERLAY 14 TABLE 3 1 COLOUR OPTIONS 17 ...

Page 5: ...Page 5 of 28 430 044 Acronyms and Abbreviations Acronym Meaning UDP User Datagram Protocol ROV Remotely Operated Vehicle VDC Volts Direct Current PC Personal Computer USB Universal Serial Bus ...

Page 6: ...cle rotation An advanced low drift gyro is integrated directly into the sonar head so the sonar can now compensate for vehicle motion in real time with accuracy and stability Gyro stabilization is very useful to ROV pilots when working in close proximity to targets The Sonar is interfaced via Serial RS 232 or RS 485 or Ethernet depending on the model 881A GS serial and 881L GS ethernet Both units ...

Page 7: ... connector to the PC s network port or cable to the PC s Comm port 881L and 881A respectively Plug the underwater connector to the sonar Deploy to stable flat location Power up the 881A L GS Wait for gyro calibration to complete The sonar upon power up will calibrate the motor delay for 30 seconds and automatically perform a gyro calibration No communication to the gyro sub system is available at ...

Page 8: ...r 2 2 Software Setup The latest version of the Win881AL_GS exe program is available from the Imagenex Technology website https imagenex com interior page software download The installation of the software on the PC is straightforward It can be installed in its own directory and run by double clicking or you can create a shortcut from the desktop for it It is not recommended that the New Program Wi...

Page 9: ...efined by the Sector setting Displays a Side Scan type image showing intensity of return Pauses Real Time or Playback Changes the sweep direction Toggles clockwise counterclockwise Refreshes display Restore default zoom and pan Zoom in display Zoom out display Ruler Measures distance in metres or feet depending on Options Units selection on the display Opens a diagnostics window Opens a window wit...

Page 10: ...ee Figure 2 4 Sonar Attributes above Range Set the maximum range of target detection Maximum 200m Gain Set the sonar gain Max 40 db Adjust until display optimized Sector Define the scan sector 0 360 Train Allows for the rotation of the sector set above around the centre Speed Define the scan speed of the sonar Slow Fastest Mode Polar Sector Side Scan as described in Table 2 2 Toolbar Options Enabl...

Page 11: ...Page 11 of 28 430 044 Figure 2 5 Display ...

Page 12: ...current sonar unit heading independent of the transducer position In North Up mode the circle will remain at the heading of the sonar unit It will rotate around the perimeter of the sonar image which remains stationary in a North Up orientation In Heading Up mode the circle will remain stationary at the top of the screen while the sonar image rotates In Target Steering mode the circle will transve...

Page 13: ... Acquire Target was selected and the mouse cursor changed to the selection cursor The target cursor is positioned over the target of interest and once clicked see slide alongside The desired target was selected The screen automatically centred the target within a sector and rotated the sector to the top of the screen The sonar will now scan the sector with the centred target Figure 2 7 Acquire Tar...

Page 14: ...f View Compass Display is selected Figure 2 10 ROV Overlay See Figure 2 10 ROV Overlay above Displays the current heading as a moving display if View ROV Overlay is selected Size can be adjusted by using the Z speed key which toggles through various size options Additional information is displayed in the bottom of the interface toolbar ...

Page 15: ...ttings below The file format for an 881A L GS is 81R 3 1 5 File Auto Save File Names Select the file name set automatically as Win881AL DD MMM YYYY HHMMSS 81R 3 1 6 File Auto File Size Select the file size to be limited to 1 4Gbytes If selected data will be logged to the max file size and a new file will be created to continue logging 3 1 7 File Save Screen Opens a dialog that allows for the savin...

Page 16: ...etween None Rectangular and Polar 3 2 8 View Range Marker Displays hides the range frequency and gain information on the top left of the display 3 2 9 View Color Indicator Toggles the colour bar on and off 3 2 10 View Compass Display Toggles the Compass Bar on and off see Figure 2 9 Compass Display 3 2 11 View ROV Overlay Toggles the ROV Overlay on and off see Figure 2 10 ROV Overlay 3 2 12 View M...

Page 17: ...ed highest strength level The Color Table menu offers the following options Normal High Standard colour table used for mapping the echo data amplitude to 256 colors ranging from black low level through blue green orange yellow white and red highest level Normal Low Same colours as Norm Hi but uses a lower colour intensity Green 256 shades of green Grey 256 shades of grey white on black Reverse Gre...

Page 18: ... address for incoming sonar data The statically assigned default for the sonar IP Address is 192 168 0 5 and unless a different IP address was selected at the time of ordering this should be used and is set in the Sonar IP Address textbox Note 192 168 0 1 is reserved for a network server See Appendix B WINDOWS TCP IP SET UP AND TROUBLESHOOTING 3 4 3 System Diagnostics Displays a window showing var...

Page 19: ...rature stabilizes While the gyro will still internally drift the sonar image will be coherent allowing the operator to continue to work Note that the absolute heading will not be exact during this time as the sonar does not differentiate between induced drift and real movement After a few minutes re calibrate the motor to realign the sonar and the transducer This will reset the accumulated drift t...

Page 20: ... Calibrate Motor Calibrates the motor and realigns the sonar head position relative to the transducer position This can be done periodically to remove unwanted drift 3 5 8 Options Local Lat Compass Declination The geographical local latitude compensates for drift caused by the Earth s rotation Use the Local Lat Compass Declination window to set the Latitude 0 to 90 for northern latitudes 0 to 90 f...

Page 21: ...al intensity along with the generated profile points 3 6 5 Profile Point Size Choose small medium or large 3 6 6 Profile Zero Down To enable plotting of profile data with the zero reference of the sonar head pointing vertically down rather than pointing horizontally or up This allows plotting the seafloor in its correct orientation Note that the GS component will not work if the sonar is mounted h...

Page 22: ... Plotter Displays a window showing the historical track of the sonar 3 7 3 GPS Erase GPS Tracks Clears the historical track of the sonar 3 7 4 GPS Zoom In Zooms in on the track plot Metres feet per division is shown in the track plot window 3 7 5 GPS Zoom Out Zooms out on the track plot Metres feet per division is shown in the track plot window ...

Page 23: ...erfaced video camera to display in the interface window 3 8 2 Video Record Video Frames to File Enable disable the recording of video to the data files Once File Copy Start Stop see Section 3 1 4 is clicked the video data will be included in the data file recording Note that storing video can generate very large files The software is able to automatically split the recorded file in predefined file...

Page 24: ...Page 24 of 28 430 044 3 9 Help 3 9 1 Help Help Displays a pane with hot keys see APPENDIX A 3 9 2 Help About Reports the software version which should be quoted during any support queries ...

Page 25: ...Page 25 of 28 430 044 APPENDIX A HOT KEYS ...

Page 26: ...rnet Cable The included Ethernet cable specifications are Cat 5e RJ 45 568B wiring scheme If this cable needs to be replaced ensure that the above specifications are met TCP IP Setup The sonar head needs to run with a static IP Internet Protocol address for both head and PC The IP Address of the PC must be set to 192 168 0 X where X is any number excluding 1 5 and 255 IP Address 192 168 0 X Subnet...

Page 27: ... file is read and a connection will be established The sonar head should function correctly however if communication does not function properly try the suggestions listed below Disable any network bridges that are present o A network bridge allows a separate port such as USB or Firewire to piggyback the Ethernet connection o Under Network Connections if there is a network bridge icon disable it Di...

Page 28: ... in the General tab o Set Link speed to Auto or 10Mbps o In the Advanced tab select Link Speed Duplex Mode and set to either Auto Mode or 10 Full Mode o Disable any power saving that shuts down the Ethernet card o In the Advanced tab select Link Down Power Saving and set to Disable o In the Power Management tab deselect any power saving option Repair the Ethernet connection o Windows remembers the...

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