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Oculus M-Series Sonar

User Manual

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Summary of Contents for M1200d

Page 1: ...Oculus M Series Sonar User Manual ...

Page 2: ......

Page 3: ...le Storage Location 10 2 5 2 Maximum Log File Size 10 2 5 3 Speed Velocity Of Sound 10 2 5 4 Colour Theme 11 2 6 Sonar Configuration 11 2 6 1 DHCP Client 11 2 6 2 IP Address Subnet Mask 12 2 6 3 Network Speed Limit 12 2 6 4 Gain Assist 12 2 6 5 Gamma Control 12 2 6 6 Firmware Update 12 3 Using the Sonar 13 3 1 Operating Principles 13 3 2 Acoustic Beam Patterns 15 3 3 Target Visibility 16 3 4 Viewi...

Page 4: ...Oculus M Series Sonar User Manual 4 6 Limited Warranty Policy 28 7 Notices 29 ...

Page 5: ...r to choose between longer acoustic ranges or high resolution imagery respectively Sonar imagery can take some training and practice to interpret as the display appears to the operator as a top down view covering the area in front of them acoustically illuminating a sector up to 130 horizontally and 20 vertically depending on the selected frequency mode The brightness of targets and textures on th...

Page 6: ... to connect to If an Oculus is configured to connect to a different subnet from that of the computer running viewpoint i e the sonars IP address is 192 168 48 45 while the computers is 192 168 0 100 then Viewpoint will be able to show the presence and network details of the Oculus but the operating system network settings will prevent a connection from being made In this case the user will need to...

Page 7: ...h Frequency mode provides high definition images of close up targets and is commonly used for inspection activities 2 1 4 Range Control Use this slider to select the range the sonar image will represent on the display As the range is increased the time required for the sound to reach the furthest targets and return will also increase so the image update rate with slow down Power consumption of the...

Page 8: ...lettes 2 2 4 Horizontal Display Flip Toggles weather the sonar image has been flipped horizontally this is useful to help align the sonar image with the mounting orientation of the hardware 2 2 5 Vertical Display Flip Toggles weather the sonar image has been flipped vertically this is useful to help align the sonar image with the mounting orientation of the hardware 2 3 Recording Sonar Data Once V...

Page 9: ...d the following Playback display will be shown in the example below the Log File recorded High Frequency sonar data so the image is only 80 wide rather than 130 2 4 2 Play Pause Control The slider control represents the duration of the recorded Log File Drag the slider to the desired playback position then click the Play button to toggle the update of the sonar imagery The timestamp of the current...

Page 10: ... Settings window under the General tab heading Enter the path where Log Files should be recorded to into the text box or click the Browse button on the right 2 5 2 Maximum Log File Size Oculus sonars can produce a lot of data quickly and recorded Log Files can grow quite large quickly To make Log Files more manageable the maximum size of the file can be specified on the General tab of the Settings...

Page 11: ...lets and hand held devices outdoors Navy Blue Often used in control rooms and low light situations to reduce glare 2 6 Sonar Configuration When ViewPoint is connected to an Oculus sonar and the display is showing live data from it the hardware configuration can be adjusted by clicking the Configure button at the top left of the display These options are used to control how the sonar hardware is co...

Page 12: ...atic gain control algorithm When Gain Assist is active Oculus will manage the sonar gain to ensure that the sonar image uses the full spread of the selected palette helping fine textures and details to be visible the ViewPoint gain control will act more like a brightness control on the display in this mode Like a photographer wanting manual exposure control of their photographs experienced users o...

Page 13: ...r and how to start interpreting the images it produces 3 1 Operating Principles Oculus is an active SONAR SOund Navigation And Ranging and operates by transmitting pulses of sound into the water and at the same time starting its receivers recording the echoes that are returned as each sound pulse is reflected off objects in front of it ...

Page 14: ... than one target in front of it The transmitted pulse of sound will reflect off each target at a different time but the receiver will be recording all the echoes over a period equivalent to twice the maximum operating range for sound travelling to and from the target The received echoes are combined into a single received signal where their position in time directly relates to their range while th...

Page 15: ...ea it illuminates with sound and these are called the Horizontal and Vertical Beam Patterns Oculus sonars with a d name suffix such as the M750d and M1200d are dual frequency devices that support two operating modes Low Frequency and High Frequency Single frequency Oculus sonars with a s name suffix such as the M370s only support the Low Frequency operating mode E ach mode has its own beam pattern...

Page 16: ...resents the half power level of the sound waves Vertical targets outside this area may still be visible on the display but their echo level will decrease quickly as they get further away from the beam pattern Horizontally images outside the beam pattern are not shown because of the fixed width nature of the top down display The sonar cannot determine the echoes incoming vertical arrival angle so i...

Page 17: ... close to the seabed and angled downwards then only a small strip in front of it will be shown By gaining altitude from the seabed the operator can illuminate a wider swathe that will make better use of the display For situations requiring the sonar to be searching the seabed in front of it the best use of the display comes from balancing the altitude above the seabed with the sonar down angle suc...

Page 18: ...nd at a shallow angle the acoustic shadows cast by targets will be long similar to an aerial photograph taken in the evening when the sun is low in the sky Using the 10 rule discussed on the previous page will allow the sonar to produce good shadows behind possible targets and with some practice the operator can start to make estimates of their height and orientation or the terrain in front of the...

Page 19: ...dowing from close by targets they should aim to increase the sonar altitude above the seabed and the targets causing the shadows and is possible angle the sonar downwards to compensate The image opposite shows an example of shadows from 3 targets being cast The sonar is positioned at the left of the image and because the targets are raised above the seabed their bright echoes are seen first and sh...

Page 20: ...erent directions and the overall brightness of the target will be reduced The figure below illustrates this highlighting in red the areas on three simple targets that will appear brightest on the display and how these appear from real world targets Car Tyre 1m Hollow Cube These same principles also apply to larger environments The figure opposite shows how some of the features found in docks or ha...

Page 21: ...ncy which allows for long range operation with a wide viewing angle this is useful for searching and surveying tasks High Frequency which produces greater details at shorter ranges and has a narrower viewing angle this is useful for detailed investigation of close up targets The figure below shows a comparison of the same test site in both operating modes ...

Page 22: ... the seabed to change the angle of illumination for targets and the length of the shadows they cast this can help interpret features on the sonar image Use the gain control to enhance faint targets or reduce the background noise reflections in a high clutter rocky boulder environment Where possible use different frequency modes depending on required range and detail level o Low Frequency mode for ...

Page 23: ...o 35W model and range dependent Integrated Sensors Water pressure and temperature for Velocity of Sound calculation Acoustic Performance M370s BP01041 M750d BP01032 M1200d BP01042 Operating Frequencies Single 375kHz Dual 750kHz 1 2MHz Dual 1 2MHz 2MHz Range max 200m 120m 40m 40m 10m Range min 0 2m 0 1m 0 1m Range Resolution 8mm 4mm 2 5mm 2 5mm 2 5mm Update Rate max 40Hz 40Hz 40Hz Horizontal Apertu...

Page 24: ...Oculus M Series Sonar User Manual 24 4 2 Mechanical Dimensions A 3D STEP model of the sonar housing is available on request via the website or Technical Support contact details at the end of this manual ...

Page 25: ...DI style wiring on the Sonar Auto MDI MDI X is supported by the sonar hardware 4 4 Ethernet Sonar Whip Wiring Drawing Diagram for illustrative purposes only and not to scale see wiring description below for connections Materials Item Qty Description Part Number 1 Impulse IE55 12 series inline moulded female plug IE55 12 CCP UT 2m Oculus Polyurethane jacked 6 way 6 5mm cable 2 power conductors 2 x ...

Page 26: ...lug shroud and crimps 24 AWG gold plated Pin Housing UTS6JC106P Crimp Pin SM24WL 3S26 10m Oculus Polyurethane jacked 6 way 6 5mm cable 2 power conductors 2 x Unshielded Twisted Pairs BP01151 Wiring Item Pin Signal Wire Colour Item Pin 1 GROUND BLACK A 2 POWER IN RED B 3 ETHERNET TX BLUE C 4 ETHERNET TX BLUE WHITE D 5 ETHERNET RX GREEN E 6 ETHERNET RX GREEN WHITE F Ethernet signal directions given ...

Page 27: ...port request Part and Serial Numbers of the system components These are located on the labels of each item and are in the form BPxxxxx xxxxxx Version number of the ViewPoint software and Oculus firmware you are using The operating system name version type 32 bit or 64 bit and service pack upgrade your computer is using Brand and model of your computer processor type and memory configuration is als...

Page 28: ...ns in vehicles supply voltages or from any other circumstances that may arise after delivery that is out with the control of Blueprint Note The warranty does not apply in the event where a defect has been caused by isolation incompatibilities The warranty does not cover the transportation of personnel and per diem allowances relating to any repair or replacement The warranty does not cover any dir...

Page 29: ...nformation contained in the documentation by other parties and makes no guarantees expressed or implied about its availability quality reliability functionality or any other characteristic Specifications Content All information in this document is believed to be correct at the time of going to press Blueprint Design Engineering Ltd cannot be held responsible for any inaccuracies or omissions If yo...

Page 30: ...s Substances Directive 2002 95 EC from July 1 2006 electrical and electronic equipment cannot contain lead lead free mercury cadmium hexavalent chromium polybrominated biphenyls PBB or polybrominated diphenyl ethers PBDE All components of the ArtemisPRO system sold by Blueprint Design Engineering Ltd fully comply with this legislation where applicable ...

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Page 32: ...P N BP01222 1 UM 148 P01222 01 March 2017 Distributor ...

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