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430-024-00 - DeltaT Azimuth Drive User's Manual

1. 72 TABLE 11 MODEL 837 AZIMUTH DRIVE RETURN DATA nn ananas 74 FIGURE 1 THE IMAGENEX AZIMUTH DRIVE WITH JUNCTION BOX FIGURE 2 ORIENTATION OF THE AZIMUTH DRIVE SONAR DOWN FIGURE ORIENTATION OF SONAR HEAD FOR DOWN APPLICATIONS enne 3 FIGURE 4 HOLE POSITIONS FOR TILT ANGLE ADJUSTMENT FIGURE 5 SCREEN CAPTURE FROM DELTAT PROGRAM FILE PLAYBACK esee 5 FIGURE 6 THE FILE MENU FIGURE 7 THE AZIMUTH DRIVE MENU FIGURE 8 THE COLOR TABLE MENU FIGURE 9 THE SETUP MENU FIGURE 10 OPTIONS MENU FIGURE 11 COMPORT SETUP DIALOGUE BOX FIGURE 12 THE SET SWITCHES DIALOG BOX FIGURE 13 THE PROFILE SETUP MENU FIGURE 14 THE DATA OUTPUT SETUP DiALOG BOX FIGURE 15 THE VIDEO MENU FIGURE 16 THE ABOUT WINDOW FIGURE 17 THE MAIN CONTROLS FIGURE 18 THE FILE PLAYBACK PROGRESS AND SPEED BARS FIGURE 19 THE DiAGNOSTICS DIALOGUE BOX FIGURE 20 AZIMUTH DRIVE DIALOGUE BOX FIGURE 21 AUTO AZIMUTH DIALOGUE BOX FIGURE 24 COMPORT SETUP DIALOGUE BOX FIGURE 27 IP ADDRESS DIALOGUE BOX FIGURE 28 THE PROFILE POINT SETUP DIALOGUE FIGURE 29 EXAMPLE OF MAXIMUM PROFILE DEPTH ADJUSTMENT FIGURE 30 EXAMPLE OF MINIMUM PROFILE DEPTH ADJUSTMENT FIGURE 31 HIGH MIX EXAMPLE FIGURE 32 MED MIX EXAMPLE FIGURE 33 Low MIX EXAMPLE FIGURE 34 POINTS ONLY EXAMPLE FI
2. Sound Velocity 1500 0 m s If V 1 Sound Velocity Bvte 83 amp 0x7F lt lt 8 Byte 84 10 0 Document Number 430 024 00 Page 62 of 83 Bytes 85 86 Range Resolution Byte 85 Byte 86 55 ee eed 16151413121 110 7 6151413121110 Range Resolution in millimetres Bytes 87 88 Reserved always 0 Bytes 89 90 Profile Tilt Angle mounting offset Byte 89 Byte 90 Bytes A Be 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 Profile Tilt Angle in degrees 180 Bytes 91 92 Repetition Rate Time between pings 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 Repetition Rate in milliseconds Bytes 93 96 Ping Number increment for every ping Byte 93 Byte 94 Byte 95 Byte 96 Ping Number Bytes 97 99 Reserved always 0 Bytes 100 103Sonar X Offset 4 byte single precision floating point number Byte 100 Byte 101 Byte 102 Byte 103 Sonar X Offset in meters Bytes 104 107 Sonar Y Offset 4 byte single precision floating point number Byte 104 Byte 105 Byte 106 Byte 107 Sonar Y Offset in meters Bytes 108 111 Sonar Z Offset 4 byte single precision floating point number Byte 108 Byte 109 Byte 110 Byte 111 Sonar Z Offset in meters Bytes 112 116Sonar Ping Interrogation Timestamp Milliseconds system time null terminated string 5 bytes mmm Byte 117 Reserved always 0 Bytes 118 119Ping Latency Time from sonar ping interrogation to actual ping
3. Document Number 430 024 00 Page 1 of 83 2 0 Getting Started The DeltaT Azimuth Drive was designed to be user friendly and simple to set up in the field It is generally recommended however to perform a preliminary setup before heading out into the field Refer to Sections 2 1 1 through 2 1 3 2 for details on installation of the DeltaT system 2 1 Step By Step Start Up Guide Physically mount the sonar referring to Section 2 1 1 on Page 2 for details Ensure the power supply is providing 24Vdc 48Vdc upon request Turn the power supply off Connect the Red wire from the cable to the ve connection on the power supply Connect the Black wire from the cable to the ve connection on the power supply Connect the RJ45 looks like a large telephone connector to the PC s network card Plug the 8pin underwater connector to the Junction Box Connect the supplied 6pin female to 6pin female to the Junction Box and the Azimuth Drive Referring to Appendix B Ethernet Setup Guide configure the network cards IP address Turn on the power supply Launch the DeltaT Azimuth exe program 0 09 SLO PO Da e If file playback is desired use the menu command File gt DataFrom gt File e If real time operation is desired use the menu command File DataFrom Head 2 1 1 Hardware Installation The Azimuth Drive has a built in Pitch Roll and Heading Sensor These are calibrated at the factory normalized with the sonar D
4. Page 70 of 83 Byte 10 11 Byte 12 Byte 13 31 Byte 32 1031 Byte 1032 Data Bytes Number of Echo Data Bytes returned for current packet Byte 10 Byte 11 Byteti 7161 514131 211017106151413121110 Data Bytes 81 Data Bytes LO Data Bytes Byte 10 8 Byte 11 External Trigger Status 8180 0 External Trigger Not Supported 1 External Trigger Supported Bit1 0 External Trigger is configured as an Output 1 External Trigger is configured as an Input Bit2 0 Bit3 0 Bit4 0 Bit5 0 Bit6 0 Bit7 0 Transmit occurred after 100ms timeout no trigger found 1 Transmit occurred after trigger trigger found Reserved Always 0 Echo Data 1000 Bytes of data for current packet proprietary format Termination Byte OxFC Document Number 430 024 00 Page 71 of 83 Appendix Azimuth Drive Ethernet Specification V1 02 OVERVIEW The Model 837 Azimuth Drive communicates over a 10Mbps 10BaseT Ethernet data transmission line To interrogate the drive and receive sensor data a Switch Data Command string is sent via an Ethernet command program When the switch data command is accepted the device moves to a new step angle transmits receives and sends its return data back to the command program SWITCH DATA COMMAND The device accepts up to 27 bytes of switch data from the Ethernet interface and must see the switch data header 2 bytes OXFE and 0x46 HEX
5. There are numerous filter parameters which can be changed when using the Bottom Following profile point filter To change these parameters select the Advanced Filter Settings button in the Profile Point Setup Dialogue box f Profile Point Setup 53 Profile Point Display Profile Point Detection High Mix Enable Disable Med Mix Y TION MES Minimum Range 01 4l Meters Points Only Minimum Depth 4 H Meters Artificial Bottom below sonar Maximum Depth 757 Meters below sonar Profile Point Filter C First Return Maximum Return Bottom Following Advanced Filter Settings Defaults Cancel Figure 39 Profile Point Setup Dialogue box Filter settings are active in real time or during file playback so experimentation with these settings will not affect the stored data The various filter settings may need to be changed depending on the bottom type and or if there are targets on the bottom or in the water column i e rocks shipwrecks fish schools pilings etc Advanced Filter Settings Filter Settings Max Points 10 zl No of Segments 7 No of Depth Bins 10 4l not used Fill between beams Main Filter Flat Bottom Filter Remove short outliers above 10 H of range Alona Track Averaging Display Settings Background Level 0 10 for Artificial Bottom Show removed points Defaults Cancel Figure 40
6. Variation sense E East W West GPVTG is not required when using the GPRMC string Serial Port Settings 4800bps No Parity 8 Data Bits 1 Stop Bit Document Number 430 024 00 Page 78 of 83 Appendix K Beam Output Format 638 After each sonar ping the following bytes are output via Ethernet to IPAddress Outputt as initialized in the DELTAT INI configuration file The total number of bytes N for each ping will vary depending on the number of beams used NOTE as of this writing number of beams is limited to 120 Byte Byte Description 0 255 Header 256 bytes 256 nnnnn Beam Output for current ping 500 range bins beam nnnnn 256 500 number of beams 1 HEADER Bytes 0 through 255 contain the following Header information Byte 0 ASCII 8 Byte 1 ASCII 3 Byte 2 ASCII B Byte 3 83B Version 2 v1 02 Bytes 4 6 Total Bytes N number of bytes that are output for this ping Byte 4 Byte 5 Byte 7 61514131211101716151413121 11017161514131211101 N 256 500 number of beams 1 11 1 256 500 number of beams Byte 7 Reserved always 0 Bytes 8 19 Date system date null terminated string 12 bytes DD MMM YYYY Bytes 20 28 Time system time null terminated string 9 bytes HH MM SS Bytes 29 32 Hundredths of Seconds system time null terminated string 4 bytes Bytes 33 46 GPS Ships Position Latitude text string 14 bytes
7. 0 0 24 31 Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved 0 0 0 0 0 0 0 0 32 39 Reserved Reserved Reserved Reserved Reserved Reserved Reserved Term 0 0 0 0 0 0 0 OxFC BYTE DESCRIPTIONS Bytes 0 2 Imagenex Return Data Header ASCII IAX l 0x49 A 0x41 X 0x58 Byte 3 Head ID Always 0x1F Byte 4 Command Status Bit Value Description 0 0 Adjust Step Successful 1 Adjust Step Error 1 0 Start Compass Calibration Successful 1 Start Compass Calibration Error 2 0 Stop Compass Calibration Successful 1 Stop Compass Calibration Error 3 0 Pitch and Roll Calibration Successful 1 Pitch and Roll Calibration Error 4 0 Send Gyro Stabilized Euler Angles Successful 1 Send Gyro Stabilized Euler Angles Error 5 0 Motor Calibration Successful 1 Motor Calibration Error Others 0 Reserved Document Number 430 024 00 Page 74 of 83 Byte 5 Bytes 6 9 Bytes 10 11 Byte 12 Byte 13 Bytes 14 15 Bytes 16 17 Firmware Version 0 DAz 2Aa gt DAz 2Ad 1 2 2Ae Reserved Always 0 Azimuth Angle Byte 5 Byte 6 514131211 5 4 1312 Azimuth LO Azimuth HI Azimuth Angle 0 3 Bvte 6247 Byte 5 600 in degrees Reserved Alwavs 0 Pitch Roll Heading Sensor Status 0 No sensor installed 1 MicroStrain 3DM GX1 Pitch These two bytes contain the Gyro Stabilized Euler Pitch Angl
8. Firewire to piggyback the Ethernet connection 9 Under Network Connections if there is a network bridge icon disable it Under Network Connections right click on the Ethernet card and select properties Clear unnecessary network protocols e De select all services except for Internet Protocol TCP IP Remove any firewalls present Note that Windows XP has a rudimentary firewall built into it Disable this one first e Select the Advanced Tab De select the Firewall option if present Click on Configure in the General tab and a new Dialogue box will appear Set Link speed to Auto or 10Mbps e Inthe Advanced tab select Link Speed Duplex Mode and set to either Auto Mode or 10 Full Mode Disable any power saving that shuts down the Ethernet card e Inthe Advanced tab select Link Down Power Saving and set to Disable e Inthe Power Management tab de select any power saving option Repair the Ethernet connection Windows remembers the hardware address for each socket To clear the Windows settings e Right click on the Local Area Connection e Select Repair Document Number 430 024 00 Page 48 of 83 Appendix E USB Data Converters and Windows XPO With the proliferation of the Universal Serial Bus USB compatible devices available for notebook and desktop computers manufacturers are rapidly omitting physical serial ports on there products in order to cut productio
9. Offset Bytes 128 129 Azimuth Head Position 129 mE Bytes 130 133 Estimated Heave 4 byte single precision float Byte 130 Byte 131 Byte 132 Byte 132 7 0 7 0 Estimated Heave meters Bytes 134 137 Depth from depth sensor Byte 134 Byte 135 Byte 136 Byte 137 Document Number 430 024 00 Page 64 of 83 Bytes 138 255 Reserved always 0 START OF XYZ POINTS 2 bytes point Bytes 256 256 14 Beams Byte X Y 2 Intensity Beam 256 4 Byte Float 4 Byte Float 4 Byte Float 2 Bytes 0 270 1 284 2 256 N 1 14 Beams 14 256 14 480 6720 bytes gt 6976 Bytes max Document Number 430 024 00 Page 65 of 83 Appendix Sonar Ethernet Specification V1 01 OVERVIEW The Model 837 DeltaT Sonar Head communicates over an Ethernet communications link To interrogate the head and receive echo data a command program sends a Switch Data Command string to the sonar head When the Switch Data command is accepted the sonar head transmits receives and sends one packet of echo data back to the command program The command program must interrogate the sonar head multiple times in order to receive all packets of echo data before the data can be processed Unless otherwise specified the DeltaT sonar head will have a statically assigned IP Address of 192 168 0 2 SWITCH DATA COMMAND The head accepts 27 bytes of switch data from
10. SONAR RETURN ECHO DATA Byte 112 Start of Echo Data IUX mode 8000 byte block IVX mode 16000 byte block Byte xxxx End of Echo Data IUX mode xxxx 8111 IVX mode xxxx 2 16111 Document Number 430 024 00 Page 58 of 83 SONAR RETURN TERMINATION BYTE Bytes xxxx 1 Termination Byte always OxFC EXTRA BYTES ZERO FILL Bytes xxxx 2 Sonar X Offset 4 bytes single precision IEEE floating point standard Bytes xxxx 6 Sonar Y Offset 4 bytes single precision IEEE floating point standard Bytes xxxx 10 Sonar Z Offset 4 bytes single precision IEEE floating point standard Bytes xxxx 14 Zero Fill to yyyy mode yyyy 8191 IVX mode yyyy 16383 VIDEO FRAME Bytes yyyy 1 Video Frame if available 10 2222 Document Number 430 024 00 Page 59 of 83 Appendix 3 83A PROFILE POINT OUTPUT 83A DeltaT Azimuth 83A XYZ OUTPUT 83A UDP IP Ethernet Datagram 83A File Format For each ping the following bytes are output during the 83A UDP datagram If recording to a 83A file the following bytes are appended and saved to the file for each ping The total number of bytes N for each ping will vary depending on the number of beams selected Byte Byte Description 0 255 File Header 256 bytes 256 nnn XYZ for current ping with Intensities nnn 256 14 number of beams 1 3 floats 2 bytes 14 bytes FILE HEADER Bytes 0 through 255 contain the following File Header information Byte 0 ASC
11. dd mm xxxxx e dd Degrees mm Minutes Decimal Minutes _ Space N North or S South Document Number 430 024 00 Page 79 of 83 Bytes 47 60 Byte 61 Bytes 62 63 Bytes 64 65 Bytes 66 67 Bytes 68 69 Bytes 70 71 GPS Ships Position Longitude text string 14 bytes ddd mm xxxxx E 000 Degrees mm Minutes xxxxx Decimal Minutes _ Space E East or W West GPS Ships Speed Speed Byte 61 10 in knots GPS Ships Heading Eu e By te 28 TERA Pitch Angle from Orientation Module st 16 Ea 58 FERAS 4 500 If P 2 0 Pitch Angle 0 degrees If P 1 Pitch Angle 64 amp Ox7F 8 Byte 65 900 10 Roll Angle from Orientation Module ae 16 zs a Tell 06 If R 0 Roll Angle 0 degrees If R 1 Roll Angle Byte 66 amp Ox7F 8 Byte 67 900 10 Heading Angle from Orientation Module Byte te TETA If H 0 Heading Angle 0 degrees If H 1 Heading Angle Byte 68 amp Ox7F 8 Byte 69 10 Beams D 16 fl Number of Beane Document Number 430 024 00 Page 80 of 83 Bytes 72 73 Samples Per Beam ET te 28 of Bx Bytes 74 75 Sector Size D 16 Sec Sis T deg Res Bytes 76 77 Start Angle Beam 0 angle Byte 76 Byte 77 Byte77 1 716 1514
12. Advanced Filter Settings Dialogue box Document Number 430 024 00 Page 33 of 83 Max Points the bottom detection filter detects up to Max Points and returns the range point with the highest summed power assuming the bottom echo contains the highest power A maximum of 10 points can be detected however a setting between 2 and 5 will generate good results Use a setting of 1 to detect all targets in the water column No of Segments number of segments is used to help the filter work on complex bottoms i e bottoms that are not flat The bottom is divided into equal horizontal segments so the filter can act on smaller less complex sections Values between 3 and 5 produce good results for typical bottom types A value of 1 could be used for a very flat bottom No of Depth Bins not used at this time The following sequence is a good starting point for experimenting with the various parameters check the result of each setting before moving to the next parameter 1 Fill between Beams this setting generates a bottom range point for beams that don t contain valid range to bottom values The detected range points from adjacent beams are used for interpolating between the beams Main Filter the main filter smoothes the detected range points and positions the points in the center of the returned pulse This helps to generate a truer bottom profile specially on the outer beams where the grazing angle is such that the retur
13. Byte 118 Byte 119 Byens oed Bet 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 Ping Latency in units of 100 microseconds Document Number 430 024 00 Page 63 of 83 Bytes 120 121 Data Latency Time from sonar ping interrogation to 833A UDP datagram Byt e120 Byt m Data Los n units 100 Time Since Ping Data Latency Ping Latency Byte 122 Sample Rate 0 Standard Resolution 1 in 500 1 High Resolution 1 in 5000 Byte 123 Option Flags Bit 0 1 data is corrected for roll Bit 1 1 data is corrected for ray bending Bit2 0 Bit 3 0 Bit4 0 Bit5 0 Bit 6 0 Bit 7 0 Byte 124 Reserved always 0 Byte 125 Number of Pings Averaged 0 to 25 Bytes 126 127 Center Ping Time Offset The Sonar Ping Interrogation Timestamp Bytes 8 19 20 28 and 112 116 is the timestamp for the current ping But due to ping averaging the ping time of the center ping of a group of averaged pings may be required i e for roll stabilization The Center Ping Time Offset is the time difference between the center ping interrogation and the current ping interrogation Byte 126 Byte 127 E pen em j 7 65151431981211 1017 71 6151413121 110 Center Ping Time Offset in units of 100 microseconds Center Ping Time Sonar Ping Interrogation Timestamp Center Ping Time Offset Ping Latency Note Profile data from the current ping should be used when subtracting the Center Ping Time
14. Device Manager lists all the hardware devices installed gt on your computer Use the Device Manager to change the properties of any device Driver Signing lets you make sure that installed drivers are compatible with Windows Windows Update lets you set up how Windows connects to Windows Update for drivers 9196 Hardware Profiles lt Hardware profiles provide a way for you to set up and store different hardware configurations Figure 57 System Properties Select Hardware Tab i Device Manager TER File Action View Help ee m HIR J Computer lt Disk drives 2 Display adapters lt DVD CD ROM drives Floppy disk controllers Floppy disk drives 23 IDE ATA ATAPI controllers tz Keyboards 1 3 Mice and other pointing devices Monitors 88 Network adapters Ports COM amp LPT J ATEN USB to Serial Bridge Communications Port COM1 E Printer Port LPT1 Processors FB Sound video and game controllers System devices 2 Universal Serial Bus controllers Ff f A FH Figure 58 Device Manager Select Ports and double click device Document Number 430 024 00 Page 52 of 83 ATEN USB to Serial Bridge COM4 Properties ag General Port Settings Driver Details E ATEN USB to Serial Bridge COM4 2 Device type Ports COM amp LPT Manufacturer ATEN Location Location 0 USB Se
15. Navigate to the Home page for the Central Patton device Leaving the Central unit connected to the PC connect the cabling to the Line ports on the units It will take about a minute to set up the DSL link Document Number 430 024 00 Page 46 of 83 The home page will display something like Status of 3241 R G SHDSL Access Device DSL Link Status In Progress DSL Link Rate Timeslot 34 Local IP Address 192 168 0 101 PP CPU Usage 1655 NP CPU Usage 1 Up Time 1 day 20 hours Current Time 20816 Jan 1970 3 19 48 Wait until this is displayed Status of 3241 R G SHDSL Access Device DSL Link Status Normal Operation DSL Link Rate Timeslot 34 Local IP Address 192 168 0 101 PP CPU Usage 3 NP CPU Usage 1 Up Time 1 day 20 hours Current Time 20816 Jan 1970 3 18 49 Navigate to the Home page for the Remote Patton device The home page will display the same Ensure the DSL Link Rate Timeslot is the same for both the Remote and Central Line Errors Navigate to G SHDSL Status If The Noise Margin drops below an acceptable level and or excessive Errors are present Adjust the data rate on the Central unit to a lower value in the G SHDSL Configuration page Document Number 430 024 00 Page 47 of 83 Appendix D Troubleshooting Communications Disable any network bridges that are present 9 Anetwork bridge allows a separate port such as USB or
16. ask your network administrator for the appropriate IP settings Obtain an IP address automatically Use the following IP address IP address 192 158 0 3 Subnet mask 255255255 10 Default gateway Obtain DNS server address automatically r Use the following DNS server addresses Preferred DNS server Alternate DNS server Advanced Cancel Figure 47 TCP IP Priorities Dialogue Box 4 Enter the information shown above in Figure 47 and click OK to accept the changes 5 Click OK again to accept the changes Document Number 430 024 00 Page 39 of 83 Now your computer is on the same Network as the sonar head When starting the DeltaT exe program the IP address stored in the DeltaT INI file is read and a connection will be established The sonar head has a statically assigned IP Address of 192 168 0 2 Enter this number in the menu item Setup gt IP Address The sonar head will run fine However if communication to the head does not function properly try the suggestions located on Page 43 Sharing an Ethernet Device with the Sonar and Internet If the computer will be using the same Ethernet card for both the sonar and Internet uses NOT at the same time set the card for the sonar using the above procedures When using the Internet you will need to reset the IP Subnet Default Gateway and DNS Server to correspond
17. if available length 54 video window width video window height 3 Byte 33 Byte 34 Byte 35 Byte 36 KIEFER io i 1 Video Frame Length Bit 7 of Byte 33 is set to 1 if video frame available Byte 37 Xdcr Up Down Display Mode Byte 37 fa a ee 0 0 Display Mode 0 Sector 1 Linear 2 Perspective 3 Profile 4 Beamtest Byte 38 Start Gain to 20 in 1 dB increments Bytes 39 40 Profile Tilt Angle 2 16 2 Tilt a io If T 0 Tilt Angle 0 degrees If T 1 Tilt Angle 39 amp Ox7F 8 Byte 40 10 180 Byte 41 Reserved always 0 Byte 42 Reserved always 10 Byte 43 Reserved always 0 Byte 44 Pulse Length Byte 44 pulse length 10 gt 1 250 10 to 2500 microseconds Byte 45 Reserved Always 0 Document Number 430 024 00 Page 56 of 83 Bytes 46 47 Sound Velocity Byte 46 Byte 47 Byte47 1 1 O 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 V Sound Velocity in meters second 10 If V Sound Velocity 1500 0 m s If V 1 Sound Velocity Byte 46 amp 0x7F lt lt 8 Byte 47 10 0 Bytes 48 61 GPS Ships Position Latitude text string 14 bytes dd mm xxxxx N dd Degrees mm Minutes xxxxx Decimal Minutes Space N North or S South Bytes 62 75 GPS Ships Position Longitude text string 14 bytes ddd mm xxxxx E ddd Degrees mm Minutes D
18. next 1000 bytes of echo data the 1 packet The sonar head does not transmit or receive if the packet number request is greater than The packet number request should be incremented each time until the total number of echo data bytes have been returned The packet number request should always follow the 0 to 7 or to 15 sequence Byte 14 Pulse Length Length of acoustic transmit pulse 1 100 gt 10 to 1000 usec in 10 usec increments Byte 14 pulse length in microseconds 10 The following pulse lengths are recommended for each range 5m 30us 10m 60us 20m 120us 30m 180us 40m 240us 50m 300us 60m 36085 80m 480us 100m 60085 Byte 15 Reserved Always 0 The following External Trigger Control bytes are valid only for DeltaT Sonar Heads supplied with the External Trigger Hardware Option Byte 16 External Trigger Control Bito Edge 0 NEG 1 POS Biti Enable 0 Disable 1 Enable Document Number 430 024 00 Page 67 of 83 Byte 17 18 External Trigger Transmit Delay Delay from external trigger to sonar head transmit pulse Byte 17 Byte 18 Bytei8 716151413121110 7 16151413121 110 0 to 10000 in 100 usec increments Byte 19 Data Points 8 8000 data points are returned by the head The return data will have an ASCII IUX header 16 16000 data points are returned by the head The return data will have an ASCII IVX header Byte 20 Data Bits Resolution number of data bits of t
19. the command program and must see the switch data header 2 bytes OxFE and 0x44 HEX in order to process the switches The head will stop accepting switch data when it sees the termination byte OXFD HEX The termination byte must be present for the head to process the switches 8 Model 837 Switch Data Command To Sonar Head wil Description ee ee eh E ID Gain 10 Number Length Trigger Delay HI Delay LO Points Bits 0 0 0 24 26 Switch Freq Term ad I a BYTE DESCRIPTIONS Note All Byte values are shown in decimal unless noted with a 0x nexadecimal prefix Byte 0 Switch Data Header 1st Byte Always 0xFE 254 decimal Byte 1 Switch Data Header 2nd Byte Always 0x44 68 decimal Byte 2 Head ID 0x10 Byte 3 Range 5 5m 10 10 20 20m 30 30 40 40m 50 50m 60 60 80 80 100 100 Document Number 430 024 00 Page 66 of 83 Bytes 4 7 Reserved Always 0 Byte 8 Start Gain 0 to 20dB in 1dB increments Byte 9 Reserved Always 1 Byte 10 Reserved Always 10 Bytes 11 12 Reserved Always 0 Byte 13 Packet Number Request 0to7 for 8000 data point mode 0 to 15 for 16000 data point mode When the packet number request is 0 the sonar head will transmit receive and send the first 1000 bytes of echo data the 0 packet The packet number request should then be incremented so that the sonar head will return the
20. to map or follow the bottom in order to generate contours The effect of this is that any objects in the water column which generate weaker returns than the bottom will not generate profile points Also note that any small targets such as small rocks on the bottom will be ignored in order to approximate the bottom contour The section of data shown below in Figure 43 is the same The first was done using the First Return filter while the second was done using the Bottom Following filter The first image shows clearly the standing timber that was present while the second clearly shows the bottom contour of where the trees were standing The 3DView program provides the capability to zoom in and rotate the image to give varying perspectives of the data The images below were rotated to illustrate the timber more clearly Also the bottom returns where there were no trees was masked off in the 3DView program to further isolate the trees First Return Bottom Following Figure 43 Filtering Examples using 3DView exe Document Number 430 024 00 Page 36 of 83 Appendix Azimuth Drive Orientation Calibration Procedure The Azimuth Drive has a built in Pitch Roll and Heading Sensor These are calibrated at the factory normalized with the sonar DOWN If the Azimuth Drive is to be deployed with the sonar UP The calibration must be re done Connector Connector Figure 44 Orie
21. which will reduce the frame rate This function is very important for post processing operation and is discussed in greater detail in Section 7 4 on Page 35 Averaging Use this command to apply various amounts of averaging to the displayed image Adjust this amount to smooth the image display For example an average of 3 will plot the average of the last 3 pings Gain Equalization This option is generally used only for profiling applications Enabling it will increase the gain towards the edges of the display window This function simply changes the processing and the display The full data set is still recorded to the file Display Track Plotter Use this command to open another window which displays the sonar or the ship track plotted according to the GPS provided latitude and longitude information Left clicking in the track plotter window will zoom in the scale while right clicking will zoom out the scale Clear Track Plotter Use this command to erase the tracks in the track plotter window Document Number 430 024 00 Page 12 of 83 Signal Level This option enables the Signal Level window which will appear in the lower left corner of the screen This window displays the raw data set from the sonar head with no processing The gain must adjusted to ensure there is no red showing in the signal level window This is very important as the gain setting is one of the few items other than range that can not b
22. 02 Byte 103 Sonar X Offset in meters Bytes 104 107 Sonar V Offset 4 byte single precision floating point number Byte 104 Byte 105 Byte 106 Byte 107 Sonar Y Offset in meters Bytes 108 111 Sonar Z Offset 4 byte single precision floating point number Byte 108 Byte 109 Byte 110 Byte 111 Sonar Z Offset in meters Bytes 112 255 Reserved always 0 Document Number 430 024 00 Page 82 of 83 START OF BEAM OUTPUT BYTES 500 range bins per beam Bytes 256 755 Beam 0 500 range bins 0 499 intensity value for each bin is 0 255 Bytes 756 1255 Beam 1 500 range bins 0 499 intensity value for each bin is 0 255 Bytes nnnnn 499 Beam N to nnnnn 500 range bins 0 499 intensity value for each bin is 0 2 Document Number 430 024 00 Page 83 of 83
23. 10 in degrees Pitch Angle from Orientation Module 61 m NEU 500 If P 0 Pitch Angle 0 degrees If P 1 Pitch Angle Byte 64 amp 0x7F lt lt 8 Byte 65 900 10 Roll Angle from Orientation Module Ps 55 57 ikoll TRD m If R 0 Roll Angle 0 degrees If R 1 Roll Angle Byte 66 amp Ox7F 8 Byte 67 900 10 Heading Angle from Orientation Module B 58 B Heading If H 0 Heading Angle 0 degrees If H 1 Heading Angle Byte 68 amp Ox7F 8 Byte 69 10 Beams Document Number 430 024 00 Page 61 of 83 Bytes 72 73 Bytes 74 75 Bytes 76 77 Byte 78 Bytes 79 80 Bytes 81 82 Bytes 83 84 8 70 E yeri Number of Beams Samples Per Beam 8 72 8 73 of CR Per Beam Sector Size 8 8 75 Size in emen Start Angle Beam 0 angle Byte 76 Byte 77 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 Start Angle in degrees 180 100 Example Start 460 Angle j Degrees 60 0 Deg Ream n Dearees Sector Size 120 Degrees Angle Increment Angle spacing per beam Byte 78 100 in degrees Acoustic Range B 75 B 50 Acoustic Range in Actors Acoustic Frequency B yt B 82 mE ERES in kHz Sound Velocity 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 Sound Velocity in meters second 10 If V
24. 11 of 83 3 5 Options Menu Commands The Options menu offers the following commands Options ComPorts Profili v Grid Sector Size Beamwidth Beams Averagina v Gain Equalization Display Track Plotter Clear Track Plotter Signal Level w Diagnostics Figure 10 Options Menu Grid Use this command to either view or hide the grid overlay on the sonar image Sector Size Use this command to set the display sector size to either 30 60 90 or 120 This function simply changes the processing and the display The full data set is still recorded to the file It is useful when only a small sector is visually required such as when narrowing in on a location By moving to a smaller sector the required processing is reduced which results in a higher frame rate This function is very important for post processing operation and is discussed in greater detail in Section 7 4 on Page 35 Beamwidth Use this command to change the processing mode to Wide Norma Narrow and Narrow Mixed This function is very important for post processing operation and is discussed in greater detail in Section 7 4 on Page 35 Use this command to alter the number of beams used in the processing This function simply changes the amount of processing required The full data set is still recorded to the file The higher the number of beams the greater the angular resolution of the display and the greater the amount of processing required
25. 131211101 71615 1413121110 Start Angle in degrees 180 100 Sector Size 120 Degrees Example Start Angl 9299 art Angle 59 5 Degrees 59 5 Degrees Beam 0 Beam n Byte 78 Angle Increment Angle spacing per beam Byte 78 100 in degrees Bytes 79 80 Acoustic Range Byte T 19 22 in pre Bytes 81 82 Acoustic Frequency oh te dn kHz Bytes 83 84 Sound Velocity f te Ed Sound Velocity T a If V Sound Velocity 1500 0 m s If V 1 Sound Velocity Bvte 83 amp Ox7F 8 Byte 84 10 0 Document Number 430 024 00 Page 81 of 83 Bytes 85 86 Range Resolution Byte 85 Byte 86 Byte8 amp 6 716 1514131211101716151413121170 Range Resolution in millimetres Bvtes 87 88 Pulse Length Bvte 88 71615141312 1101716151 4131 21110 Pulse Length in microseconds Bytes 89 90 Profile Tilt Angle mounting offset Byte 89 Byte 90 7161516413121110 716151413121 110 Profile Tilt Angle in degrees 180 Bytes 91 92 Repetition Rate Time between pings Byte 92 71615141312 1101716151 4131 21110 Repetition Rate in milliseconds Bytes 93 96 Ping Number increment for every ping Byte 93 Byte 94 Byte 95 Byte 96 Ping Number Bytes 97 99 Reserved always 0 Bytes 100 103 Sonar X Offset 4 byte single precision floating point number Byte 100 Byte 101 Byte 1
26. GURE 35 ARTIFICIAL BOTTOM WITH LOW MIX EXAMPLE FIGURE 36 FIRST RETURN FILTERING EXAMPLE FIGURE 37 MAXIMUM RETURN FILTERING EXAMPLE FIGURE 38 BOTTOM FOLLOWING FILTERING EXAMPLE FIGURE 39 PROFILE POINT SETUP DIALOGUE BOX FIGURE 40 ADVANCED FILTER SETTINGS DIALOGUE BOX FIGURE 41 PRF EXAMPLE 480 BEAMS 120DEG SECTOR FIGURE 42 PRF EXAMPLE 120 BEAMS 60DEG SECTOR FIGURE 43 FILTERING EXAMPLES USING 3DVIEW EXE FIGURE 46 LOCAL AREA CONNECTION PROPERTIES DIALOGUE BOX FIGURE 47 TCP IP PRIORITIES DIALOGUE BOX FIGURE 48 CONNECTING THE SONAR VIA DIRECT CONNECTION FIGURE 49 CONNECTING THE SONAR VIA A LAN FIGURE 50 CONNECTING THE SONAR THROUGH MULTIPLE LAN FIGURE 51 PATTON CENTRAL DSL MONITOR SETUP FIGURE 52 PATTON CENTRAL LINE OPTIONS FIGURE 53 PATTON REMOTE DSL MONITOR SETUP FIGURE 54 PATTON REMOTE LINE OPTIONS FIGURE 55 OvERVIEW OF USB DATA CONVERTER LOGIC FLOW FIGURE 56 SvsTEM PROPERTIES FIGURE 57 SYSTEM PROPERTIES SELECT HARDWARE TAB FIGURE 58 DEVICE MANAGER SELECT PORTS AND DOUBLE CLICK DEVICE FIGURE 59 PoRT PROPERTIES SELECT PORT SETTINGS FIGURE 60 PORT PROPERTIES CLICK ADVANCED FIGURE 61 ADVANCED PORT PROPERTIES SELECT COM PORT NUMBER FIGURE 62 CREATING A DEVICE MANAGER SHORTCUT 1 0 Introduction The Model 837 Delta T Azimuth Drive is a rugged and powerful rotary actuator drive that can be coupled to an Imagen
27. II 8 Byte 1 ASCII Byte 2 ASCII A Byte 3 83A File Version 0 v1 00 Bytes 4 5 Total Bytes N number of bytes that are written to the disk for this ping 7161514 4131 2111 01716151 413121110 256 14 number of beams gt 6976 bytes 480 beams Byte 6 Azimuth Drive Status Bit 0 gt Orientation 0 Down 1 Up Bits 1 7 Reserved 0 Bvte 7 Reserved always 0 Bytes 8 19 Sonar Ping Interrogation Timestamp Date system date null terminated string 12 bytes DD MMM YYYY Bytes 20 28 Sonar Ping Interrogation Timestamp Time system time null terminated string 9 bytes HH MM SS Document Number 430 024 00 Page 60 of 83 Bytes 29 32 Bytes 33 46 Bytes 47 60 Byte 61 Bytes 62 63 Bytes 64 65 Bytes 66 67 Bytes 68 69 Bytes 70 71 Sonar Ping Interrogation Timestamp Hundredths of Seconds system time null terminated string 4 bytes hh Note see Bytes 112 116 for Milliseconds GPS Ships Position Latitude text string 14 bytes dd mm xxxxx N dd Degrees mm Minutes XXxxx Decimal Minutes Space N North or S South GPS Ships Position Longitude text string 14 bytes ddd mm xxxxx E ddd Degrees mm Minutes xxxxx Decimal Minutes Space E East or W West GPS Ships Speed Speed Byte 61 10 in knots GPS Ships Heading Byte 62 Byte 63 S 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 Heading
28. IMAGENEX TECHNOLOGY CORP Model 837 DeltaT Azimuth Drive Sonar System CopperLink Model with Junction Box Imagenex Technology Corp 209 1875 Broadway Street Port Coquitlam BC Canada V3C 421 Telephone 604 944 8248 Fax 604 944 8249 Email Imagenex npsnet com World Wide Web http www imagenex com Document Number 430 024 Revision Date Description 00 August 14 2009 Initial Release Table of Contents 1 0 INTRODUCTION 2 0 GETTING STARTED kenna 2 2 1 STEP BY STEP START UP GUIDE 2 1 1 Hardware Installation 2 1 2 Electrical Connection 2 1 3 Software Setup DETAILED DESCRIPTION OF MENUS FILE MENU COMMANDS AZIMUTH DRIVE MENU COMMANDS COLOR TABLE MENU COMMANDS SETUP MENU COMMANDS OPTIONS MENU COMMANDS COM PORT MENU SWITCHES MENU COMMANDS PROFILE SETUP MENU COMMANDS DATA OUTPUT MENU COMMANDS VIDEO MENU COMMANDS ABOUT MENU COMMANDS CONTROLS AND FILE PLAYBACK DIALOGUE 4 1 MAIN CONTROLS 4 2 FiLE PLAYBACK PROGRESS AND SPEED DIALOGUE BOXES FiLE OPEN DIALOGUE BOX FiLE SAVE AS DIALOGUE BOX DIAGNOSTICS DIALOGUE BOX AZIMUTH DRIVE DIAGNOSTICS DIALOGUE BOX AUTO AZIMUTH DIALOGUE BOX CHANGE AZIMUTH DIALOGUE BOX GPS OPERATIONS 7 0 PROFILING OPERATIONS 7 1 PROFILING OVERVIEW 7 2 PROFILE POINT SETUP 7 3 PROFILE POINT SETUP 7 3 1 Profile Point Detection 7 3 2 Profile Point Display 7 3 3 Profile Point Filter 7 3 4 Adva
29. OWN If the Azimuth Drive is to be deployed with the sonar UP The calibration must be re done Refer to Appendix A Azimuth Drive Orientation Calibration Procedure on Page 37 for calibration procedures For producing sensible profiles of the seabed the sonar head should be mounted with the transducers down the transducers are in the gray plastic Refer to Figure 3 for the transducer position setting for your installation If the transducer position setting is incorrect The up down setting in software can be switched if the sonar must be mounted the opposite way Document Number 430 024 00 Page 2 of 83 Connector Figure 2 Orientation of the Azimuth Drive Sonar DOWN Figure 3 Orientation of sonar head for XDCR Down applications Figure 3 above shows the sonar head aiming towards the bottom Use the Xdcr Position Down setting in the Azimuth drive menu Refer to Section 3 2 on Page 9 Document Number 430 024 00 Page 3 of 83 2 1 1 1 Sonar Profile Tilt Angle The DeltaT sonar may be mounted and various tilt angles by adjusting the mounting flange angle Profile tilt angles of 0 10 20 and 430 can be set via two socket head screws on the sonar head flange Figure 4 below indicates the mount locations Figure 4 Hole positions for Tilt Angle Adjustment After adjusting the tilt angle physically the user should enter of the corresponding profile tilt angle into
30. Sets the operating range of the sonar Start Gain Sets the sonar gain Pulse Length Sets the pulse length of the sonar Multiplier This number is multiplied by the Pulse Length setting Auto Pulse Length Deselect to override the pulse length Frequency Adjust this change the operating frequency of the sonar 240kHz to 260kHz 5kHz increments This may be necessary to remove noise caused by external devices Transmit Enables or disables the sonar transmitter Document Number 430 024 00 Page 14 of 83 3 8 Profile Setup Menu Commands The Profile setup menu offers the following commands Profile Setup Video Ab Profile Point Setup Profile Tit Angle Display Altitude Grid Type Figure 13 The Profile Setup Menu Other than Profile Point Setup and Grid Type all menu command are deactivated when in sector mode Profile Point Setup This command displays the Profile Point Setup Dialogue box which contains options for profile point detection Please refer Section 7 2 on Page 27 for details Profile Tilt Angle Used only for profiling sonars This command displays the sonar tilt angle Dialogue box It is used when the sonar is physically mounted in an orientation other straight down Please refer to Section 7 0 on Page 27 for details pertaining to profiling Display Altitude Used only for profiling sonars This command displays the Sonar Altitude window If profile point det
31. The system will save your display layout and sonar settings to a text file called DeltaT ini The next time the program is started the system will load these settings from this file 3 2 Azimuth Drive Menu Commands The Azimuth drive menu offers the following commands Azimuth Drive Color Table Set Azimuth Drive Orientation Figure 7 The Azimuth drive menu The Azimuth drive menu is used to set configure various Azimuth Drive specific parameters Disable Azimuth Drive Not Available Change Azimuth Angle Invokes the Change Azimuth Dialogue Box Refer to Section 5 6 on Page 25 for details Azimuth Drive Diagnostics Displays diagnostic information pertaining to the Azimuth Drive Refer to Section 5 4 on Page 24 for details Azimuth Drive Orientation Provides the option for Up or Down If the sonar is pointed towards the bottom set this to down Auto Azimuth Invokes the Auto Azimuth Dialogue Box to begin an automatic scan Refer to Section 5 5 on Page 24 for details Document Number 430 024 00 Page 9 of 83 3 3 Color Table Menu Commands The Color Table menu is used to change the sonar data color palettes for the sonar images DeltaT uses colors called a color table to represent echo data strength amplitude For example the Normal High intensity color table maps the echo data amplitude to 127 colors ranging from Black low strength level though blue gr
32. able 5 The Diagnostic Items Header Sent by the sonar to tell the program what kind of data format it sent IUX is for DeltaT sonar image From left to right the indicators are Data Format IUX Head ID 0x10 Status 0x40 Status OK Please refer to the Ethernet specifications document for further details Contains various information on the type of sonar that is connected and it s various capabilities From left to right Sonar Type Transducer Type Sonar Version Please refer to the Ethernet specifications document for further details sonar time The first number contains the acoustic time for the current range The second number contains the acoustic time subtracted from when the sonar is interrogated to when the PC receives it s first reply This number is dependant on the operating range packet time The first number contains the time to receive the rest of the data packets for the current frame of data proc time The time required to process the sonar data according to the options specified in the Options menu Document Number 430 024 00 Page 22 of 83 plot time The time that the program plot the sonar image to the display window 1 PRF The time required to complete one full frame of data including acoustic communication processing and display In file playback this number will be less than real time as there are no communication and acoustic times display Gain The fir
33. and settings owner my documents data files deltat triton logging 27may2008 102326 837 Fie Azimuth Drive Color Table Setup Options Switches Profile Setup Data Output Video About 05 01 644 YE NG 102 47 425 E DIET e UU Us w SPD 6 1 KTS Q A t 128 47 M 27 MAY 2008 10 25 37 i ii e 035 1 Deg Figure 5 Screen capture from DeltaT program file plavback The bottom of the screen contains three rotarv dial controls and a hand icon which acts as a Hold or freeze frame button The Range knob controls the current acoustic operating range during real time operation The Gain knob adjusts the amount of hardware amplification used in the receiver circuitry of the DeltaT sonar head Adjust the Gain so that there is a minimum amount of Red displayed in the Signal Level window located in the lower left hand corner of the screen This window is enabled via the Options menu During file playback the Range and Gain knobs are not active they simply reflect the setting that was used during the recording of the real time data acquisition The Display knob is used to adjust the brightness of the sonar image after the Gain has been adjusted As long as you are recording the data you can play back with different display gains and colors Document Number 430 024 00 Page 5 of 83 2 1 3 1 Basic Software Operation There are ten menus at the top of the screen see Figure 5 The File menu has the Data From sub
34. apture device such as a video camera plugged into a USB video converter i e Adaptec AVC 1100 USB Video About Open Video Window Figure 15 The Video Menu Open Video Window Opens a live video window Change Video Format Changes the video format Record Video Enable If this option is set video information is recorded at the same time DeltaT data is recorded Video Recording Rate Sets the update rate at video is captured Document Number 430 024 00 Page 17 of 83 3 11 About Menu Commands The About menu displays the information window as shown below in Figure 16 It displays information about the DeltaT software such as contact information and version number Please provide the version number and date for any support assistance About DeltaT tg DeltaT Multibeam Sonar For Windows XP Version 1 02 43 22FEB08 Copyright amp 2004 2008 IMAGENEX TECHNOLOGY CORP 209 1875 Broadway Street Port Coquitlam B C Canada V3C 421 Tel 604 344 8248 Fax 604 344 8243 Figure 16 The About Window Document Number 430 024 00 Page 18 of 83 4 0 Controls and File Playback Dialogue 4 1 Main Controls The bottom of the screen contains four rotary dial controls and a hand icon which acts as a Hold or freeze frame button These tools provide quick mouse access to the most commonly adjusted settings used in the DeltaT program During file playback the Range and Gain k
35. boxes and toolbar commands to control the sonar unit s operations operating parameters and data display windows 3 1 File menu commands The File menu offers the following commands Table 1 The File Menu Items File Azimuth Drive Color Table Setup Options Data From Playback File Fast Playback w Use Realtime Playback Speed Copy Start Convert 837 Sonar File s To 83B Format Save Screen Exit Figure 6 The File Menu Data From Use this command to switch between real time or file playback mode If Head is selected the DeltaT program will start to interrogate the sonar head to acquire data in real time If File is selected the DeltaT program will open the standard Windows Open File Dialogue box where the user can select a previously recorded DeltaT sonar data file with the file extension 837 to play back Record Start Use this command to save real time sonar data to a 837 file If the Automatic Filenames 837 option is set in the Setup menu DeltaT will automatically generate the file name based on the active selection under the Automatic Filename Type in the Setup menu For more information on automatic file names please refer to Page 11 DeltaT will continue interrogating the sonar unit for data and at the same time recording the data to your named file While recording data The menu item will change to Record Stop Select this to stop record
36. can be used to display only the moving targets of a static image Press the Build Reference button to begin generating a background reference image then press Store Reference The background reference image will now be removed from the current image to produce an image with only new or moving targets you can then add Persistence to display a trail behind the moving targets Other Option menu items include Gain Equalization to normalize the gain across the image a GPS Lat Lng Track Plotter window Signal Level and Diagnostics displays To maximize the shot rate when recording to a 837 file set the number of displayed beams to 120 This will not affect your angular resolution as the number of beams are used only for display purposes The shot rate or PRF can be monitored via the Diagnostics page This number is displayed in milliseconds the lower this number is the faster your update rate will be When playing back the data file you can select any number of beams Com Ports is applicable if a GPS is to be connected to the computer as well GPS positions can be recorded into the data file and viewed in the Track Plotter window in real time or playback This information can be used for later mosaicing The Mode pull down menu controls the different display modes Again this does NOT affect the stored data so the data can be stored in SECTOR mode and played back in PERSPECTIVE mode if desired BEAMTEST MODE simply shows the data from t
37. ck Next to continue Figure 62 Creating a Device Manager Shortcut Document Number 430 024 00 Page 54 of 83 Appendix F Data Storage File Format 837 When recording the sonar data to a 837 file the following bytes are appended and saved to the file every shot 0 to 99 File Header 100 Bytes 100 to 111 Sonar Return Data Header 12 Bytes 112 to xxxx Sonar Return Echo Data IUX mode 8 1000 Bytes IVX mode 16 1000 Bytes XXXX 8111 or 16111 to yyyy 8191 or 16383 Video Frame if available to 2222 FILE HEADER Bytes 0 through 99 contain the following File Header information Byte 0 ASCII 8 Byte 1 ASCII 3 Byte 2 ASCII 7 Byte 3 nToReadlndex Index for Number of Data Bytes 10 8000 Data Bytes IUX data 11 2 16000 Data Bytes IVX data Bytes 4 5 Total Bytes number of bytes that are written to the disk for this shot Byte 4 Byte 5 7 1615141312111017161 51413121110 8192 for IUX or 16384 for IVX Bytes 6 7 nToRead Number of Bytes from the sonar Byte 6 Byte 7 ByE 7 6 15 1 3 2 11 0 7 6 5 4 3 2 110 8013 for IUX 16013 for IVX Bytes 8 19 Date null terminated date string 12 bytes DD MMM YYYY Bytes 20 28 Time null terminated time string 9 bytes HH MM SS Bytes 29 32 Hundredth of Seconds null terminated string 4 bytes hh Document Number 430 024 00 Page 55 of 83 Bytes 33 36 Video Frame Length
38. der to actually generate the profile points the DeltaT software needs to know how to display the image Profile Point Display Whether to generate profile points or not and also where in the image to detect profile points Profile Point Detection Also The DeltaT program has various filter settings Profile Point Filter to facilitate generating profile points on the desired type of data Profile Point Setup Profile Point Display Profile Point Detection High Mix Enable Disable Med Mix Low Mix Minimum Range 0 1 Meters Points Only Minimum Depth 0 4 H Meters Artificial Bottom below sonar Maximum Depth 75 7 zi Meters below sonar Profile Point Filter C First Return C Maximum Return Bottom Following Advanced Filter Settings Defaults Cancel Figure 28 The Profile Point Setup Dialogue Document Number 430 024 00 Page 28 of 83 7 3 1 Profile Point Detection To enable profile point detection select the Enable radio button The Minimum range box allows the user to begin profile point detection at a certain slant range below the sonar Any data that is closer to the sonar than the minimum range setting will not generate profile data points This is very advantageous if propeller wash is present in the data There are two methods of setting the minimum profile depth and the maximum depth The first is directly in the Profile Setup Dialogue Box as shown above The second i
39. e Point Setup Dialogue box sets the method for displaying sonar data on the screen High Mix With High Mix Image data is display at the normal intensity along with the generated profile points This shown below in Figure 31 Figure 31 High Mix Example Med Mix With Med Mix Image data is display at a reduced intensity along with the generated profile points This shown below in Figure 32 Figure 32 Med Mix Example Low Mix With Low Mix Image data is display at further reduced intensity along with the generated profile points This shown below in Figure 33 Figure 33 Low Mix Example Points Only With Points Only Image data is removed from the screen entirely and only profile points are displayed This shown below in Figure 34 Figure 34 Points Only Example Document Number 430 024 00 Page 30 of 83 Artificial Bottom Artificial Bottom enabled is shown below in Figure 35 Figure 35 Artificial Bottom with Low Mix Example 7 3 3 Profile Point Filter Profile Point Filters enable the user to generate profile data focusing on certain areas of interest By selecting various filter settings the resulting profile data image can be altered significantly This area is also covered more visually in the 3DView Section on Page 36 Using 3DView the filtering results are much more apparent as it shows multiple pings at once rather than a slice of time as the DeltaT software does First Return When First Return
40. e altered during file playback Please refer to Page 4 for further details on gain settings Diagnostics Display the Sonar diagnostics See Section 5 3 on Page 22 for details about sonar diagnostic items 3 6 Com Port Menu The Com Port menu is only active in real time and is disabled during file playback Selecting it will show the ComPort Setup Dialogue box as shown below in Figure 11 Set the options to match the capabilities of the attached GPS unit Please refer to Section 6 0 on Page 26 for GPS details ComPort Setup GPS Input NMEA Position C GLL C GGA C RMC ComPort Bits per second Data bits Parity Stop bits Sound Velocity Input Device Type Digibar Pro Bits per second N A C SBE 37 ComPort N A Data bits N A Parity N A Stop bits N A Defaults Cancel Figure 11 ComPort Setup Dialogue Box Document Number 430 024 00 Page 13 of 83 3 7 Switches Menu Commands The Switches menu displays the Set Switches dialog box as shown below in Figure 12 Set Switches Range 80 Start Gain 20 dB Frequency 260 ET kHz Pulse Length 480 H usec Mulipier fo 4 Transmit Enable gt Auto Pulse Length Defaults Cancel Figure 12 The Set Switches Dialog Box Note that Range and Start Gain can be controlled via the main screen dials Pulse Length and Multiplier should be left at the default setting Range
41. e from the Orientation Sensor Byte 12 Byte 13 5 4 1312 5 4 1312 Pitch LO Pitch HI Pitch Angle 32768 gt 32767 gt 180 gt 4180 Pitch Hi 8 Pitch Lo 360 65536 Roll These two bytes contain the Gyro Stabilized Euler Roll Angle from the Orientation Sensor Byte 12 Byte 13 5 4 1312 41312 Roll LO Roll HI Roll Angle 32768 gt 32767 gt 180 gt 4180 Roll Hi 8 Roll Lo 360 65536 Document Number 430 024 00 Page 75 of 83 Bytes 18 19 Bytes 20 21 Bytes 22 38 Byte 39 Heading These two bytes contain the Gyro Stabilized Euler Yaw Angle from the Orientation Sensor Yaw Angle 32768 gt 32767 gt 180 gt 4180 Yaw Hi lt lt 8 Yaw Lo 360 65536 Timer These two bytes contain the Timer output from the Orientation Sensor This counter is incremented every 6 5536ms Byte 12 Byte 13 5 4 1312 5 4 1312 Timer LO Timer HI Timer 0 gt 65536 Timer Hi 8 Timer Lo Reserved Always 0 Termination Byte Always OxFC 253 decimal Document Number 430 024 00 Page 76 of 83 Appendix GPS String Formats for DeltaT exe GLL Geographical Latitude and Longitude Ship s Position GPGLL ddmm xxxxx N dddmm xxxxx W lt CR
42. e of processing performed on the raw data affects the resulting profile data greatly It is recommended that the least amount of processing is performed during data acquisition as extra processing reduces frame rate and thus reduces the quality of the final project Think of it as digital photography If while taking pictures of a football game you pause between each picture to crop it and rotate it you will miss the big touch down If however you simply take pictures as fast your camera will allow you will get a great photo of that touchdown You can always crop and rotate that picture later It is the same with sonar Because the raw sonar data is always stored you can post process the data at a later date If the best quality data is desired try and reduce the amount of processing to the minimum amount to get the job done Then during playback and profile generation increase the amount of processing to improve the results For example in Figures Figure 41 through 42 The amount of processing was altered The sonar head was run at 30m range with Narrow Mixed processing The first two indicate the effect of altering the number of beams only With 480 beams being processed the PRF was 121ms 8Hz By changing the number of beams to 120 the PRF was reduced to 82ms 12Hz By further reducing the processing required setting the sector size to 60 degrees rather than 120 degrees the PRF was further reduced to 71ms 14Hz The sonar achieved an ex
43. ecimal Minutes Space E East or W West Byte 76 GPS Ships Speed Speed Byte 76 10 in knots Bytes 77 78 GPS Ships Heading ua te m T ERA Byte 79 Reserved Always 0 Bytes 80 81 Operating Frequency Byte 16 2 Opern dn TE Bytes 82 83 Pitch Eu 52 Ei te 5 If P 0 Pitch Angle not available If P 1 Pitch Angle Byte 82 amp Ox7F 8 Byte 83 900 10 Document Number 430 024 00 Page 57 of 83 Bytes 84 85 Roll ot 16 If R 2 0 Roll Angle not available If R 1 Roll Angle Byte 84 amp Ox7F 8 Byte 85 900 10 Bytes 86 87 Heading te ura T If H 0 Heading not available If H 1 Heading Bvte 86 amp Ox7F 8 Byte 87 10 Bytes 88 89 Repetition Rate Time between pings 22 16 22 888058 F TIS Bvte 90 Displav Gain to 100 percent Bvtes 91 99 Reserved alwavs 0 SONAR RETURN DATA HEADER Bvtes 100 through 111 contain bvtes 0 11 of the Sonar Return Data Header that is acquired directiv from the sonar head refer to the DeltaT Ethernet Interface Specification Bvte 100 ASCII T Bvte 101 ASCII U or ASCII Bvte 102 ASCII X Bvte 103 Head ID Bvte 104 Serial Status Bvte 105 Packet Number Bvte 106 Version Bvte 107 Range Bvte 108 Reserved Bvte 109 Reserved Bvte 110 Data Bytes HI Byte 111 Data Bytes LO
44. ection is disabled in the Profile Point Setup Dialogue box The altitude will display n a Otherwise the altitude will display distance from the sonar head to the bottom in the units selected r 7 Grid Type Displays either a rectangular grid with horizontal and vertical measurements enabled or a circular grid with range and bearing measurements enabled Document Number 430 024 00 Page 15 of 83 3 9 Data Output Menu Commands The Data Output menu displays the Data Output dialog box as shown below in Figure 14 Data Output Setup Dutput Type C None 83A Azimuth X YZ Output 838 Beam Output Record To 83B File Cancel Figure 14 The Data Output Setup Dialog Box The data being output is sent to the IP address specified in the IP Address dialog box in the Output IP Address section please refer to Section 3 4 on Page 11 None Disables all data output functions 83A Point Output Profile points generated will be sent to the IP address 83B Beam Output Generated beams will be sent to the IP address Record To 83B File Generated beams will be recorded to a 83B file Document Number 430 024 00 Page 16 of 83 3 10 Video Menu Commands This Menu is only active if a video capture device is install before running the DeltaT software The Video pull down menu is used for displaying a video window from an optional video c
45. een orange yellow white and red highest strength level The Color Table menu offers the following commands Color Table Setup w Norm Hi Norm Lo Green Grey Rev Grey Brown Yellow Green Blue Green Yellow Blue Figure 8 The Color Table Menu Table 2 The Color Table Menu Items Normal High Standard color table used for mapping the echo data amplitude to 127 colors ranging from Black low level through Blue Green Orange Yellow White and Red highest level Normal Low Same colors as Norm Hi but uses a lower color intensity Green 127 shades of green Grey 127 shades of gray White on Black Heverse Grey 127 shades of gray Black on White Brown Yellow 127 mixed shades of brown and yellow Green Blue 127 mixed shades of green and blue Green Yellow 127 mixed shades of green and yellow Blue 127 shades of blue Document Number 430 024 00 Page 10 of 83 3 4 Setup menu commands The View menu offers the Setup Options IP Address Xdcr Position Units w Automatic Filenames 837 Automatic Filename Type Sound Velocity Figure 9 The Setup Menu Table 3 The View Menu Items following commands Moc IP Address Sonar IP Address 132 158 0 2 Dutput IP Address 132 158 0 4 Default Cancel IP Adaress Use this command to alter the destination IP addresses for communica
46. er 430 024 00 Page 24 of 83 Generate Profile Point file 83A After the current scan is complete a sonar file is generated in the standard 834 file format Generate ASCII file XYZ After the current scan is complete a sonar file is generated in the standard XYZ file format 5 6 Change Azimuth Dialogue Box 68 Change Azimuth j Figure 23 Change Azimuth Item 001229 Azimuth Angle 0 0 4l Degrees Default Cancel Figure 22 Change Azimuth Dialog Box Clicking on the Change Azimuth button will bring up the Change Azimuth Dialogue Box Select the desired azimuth angle and select OK The Azimuth Drive will adjust to the specified location Document Number 430 024 00 Page 25 of 83 6 0 GPS Operations The DeltaT software has the capability to read GPS strings plot the track of the vessel as well as record the GPS information to the recorded file In order to access GPS information the DeltaT software needs to be told which com port is connected to the GPS unit The Com Port menu is only active in real time and is disabled during file playback Selecting it will show the ComPort Setup Dialogue box as shown in Figure 24 Set the options to match the capabilities of the attached GPS unit Note Windows XP has certain issues with RS232 to USB adapters Please refer to Appendix E USB 5107 Data Converters and Windows XP on Page 49 for important info
47. et Mask as the LAN Server IP 192 168 0 1 Sonar Device IP 192 168 0 2 192 168 0 144 192 168 0 157 Figure 49 Connecting the Sonar via a LAN Document Number 430 024 00 Page 41 of 83 Setting up a Networked LAN To connect an Imagenex Ethernet Sonar System to a networked Local Area Network LAN refer to Figure 50 This setup consists of two LAN s interconnected via a router The router acts as a server to the LAN that is directly connected to the sonar The advantage of this setup is that the sonar may be operated from any computer that is connected to either LAN The server has a static IP address of for example 172 16 0 1 The router essentially has two sides One side is configured as a client 172 16 0 127 and the other side is configured as a server 192 168 0 1 Currently the sonar does not support DHCP and is simply piggv backing the network by using an IP that is on the same Subnet Mask as the LAN Server IP 172 16 0 1 Router ES IP 172 16 0 13 IP 172 16 0 45 172 16 0 127 192 168 0 1 IP 192 168 0 157 Figure 50 Connecting the Sonar through a multiple LAN Document Number 430 024 00 Sonar Device 192 168 0 2 Page 42 of 83 Appendix C Patton 3241 G SHDSL Router Configuration Follow the steps i
48. ex 837B Delta T Multibeam Profiling Sonar The two axes of rotation in this combined unit provide the capability to obtain accurate high resolution range information in any direction In standard applications profiles may be made in any direction by simply commanding the Azimuth Drive to rotate the attached profiling sonar anywhere in a circle The profiling sonar can then perform a cross sectional scan before being rotated to a new azimuth angle The Azimuth Drive uses the same Ethernet communications line and command structure as the Delta T head A single simple to use PC compatible computer program operates both The system consists of an underwater sonar head connected by Ethernet directly to the drive and a top end Junction box which is connected via Ethernet to a Windows PC type computer and 24 48 Volt power supply The Junction Box and the Azimuth Drive both contain a Patton CopperLink Ethernet Extender which is used to overcome the cable length limitations of the Ethernet interface specification The Patton devices are transparent to the operation of the system In the typical installation the power supply and PC are supplied by the customer The cable which comes with the unit has an underwater mate able connector for the sonar side and a standard RJ45 connector for the Ethernet The cable is currently made up with bare wires for power red goes to positive black to negative Figure 1 The Imagenex Azimuth Drive with Junction Box
49. fix N total number of return bytes Byte 0 2 Imagenex Return Data Header ASCII IUX or IVX 0x49 U 0x55 V 0x56 X 0x58 ASCII IUX In response 10 a Switch Data Command with Data Points 8 1033 32 Header bytes 1000 Data bytes 1 Terminating byte 8 Switch Data Commands are required with Packet Number Request incrementing from 0 to 7 in order to receive all 8000 data bytes from the sonar head ASCII IVX In response to a Switch Data Command with Data Points 16 N 1033 32 Header bytes 1000 Data bytes 1 Terminating byte 16 Switch Data Commands are required with Packet Number Request incrementing from 0 to 15 to receive all 16000 data bytes from the sonar Byte 3 Head ID 0x10 Document Number 430 024 00 Page 69 of 83 Byte 4 Byte 5 Byte 6 Byte 7 Byte 8 Byte 9 Serial Status 810 1 Bit 1 1 Internal Test Bit2 0 Bit3 0 Bitd 0 Bit5 0 Bit6 1 Switches Accepted 8187 1 Character Overrun Packet Number 0 7 for IUX data 0 15 for IVX data Firmware Version 0x00 12 Header bytes 8000 Data bytes 1 Terminating byte 0x01 32 Header bytes 1000 Data bytes 1 Terminating byte using Packet Numbers 0 through 7 0x02 add 16000 Data byte IVX mode Packet Numbers 0 through 15 Range 5 bm 10 10 20 20m 30 30m 40 40 50 50m 60 60 80 80m 1002 100m Reserved Always 0 Reserved Always 0 Document Number 430 024 00
50. gate PRH sensor 0x02 Start compass calibration 0x03 Stop compass calibration 0x04 Start Pitch Roll calibration 0x05 Stop Pitch Roll calibration 0x80 Output gyro stabilized Euler angles Reserved Always 0 Calibrate 0 Normal Operation 1 Calibrate Azimuth Drive Motor move to Switch Delay The head can be commanded to pause from 0 to 500 msec before sending its return data to allow the commanding program enough time to setup for the return of the data 0 to 250 in 2 msec increments Byte 24 delay in milliseconds 2 DO NOT USE A VALUE OF 253 Reserved Always 0 Termination Byte The head will stop looking for Switch Data when it sees this byte Always OxFD 253 decimal Document Number 430 024 00 Page 73 of 83 AZIMUTH RETURN DATA Every shot the Azimuth drive returns the required information depending on the command it receives an error status and the Sequence Number The total number of bytes returned will be 40 Table 11 Model 837 Azimuth Drive Return Data Byte Description 0 7 ASCII ASCII ASCII Head Command Reserved Version Reserved X ID Status 0 0 8 15 Reserved Reserved Azimuth Azimuth Reserved PRH Pitch Pitch 0 0 LO HI 0 Status LO HI 16 23 Roll Roll Heading Heading Timer Timer Reserved Reserved LO HI LO HI LO HI
51. gt lt LF gt Where e dd Degrees e mm Minutes 9 xxxxx Decimal Minutes e N North or S South e W Westor E East Note if using GPGLL string use GPVTG for ship s speed and heading VTG Vector Track and Ground Speed Ship s Speed SOG and Heading GPVTG ttt t Tommm m M nn n N kk k K CR LF Where e Track in Degrees True 9 mmm m Track in Degrees Magnetic nn n Ground Speed Knots e kk k Ground Speed Km Hr GGA Geographical Ship s Position GPGGA uuuuuu uu ddmm xxxxx N dddmm xxxxx W q s hhh aaa M gggg M lt CR gt lt LF gt Where uuuuuu uu UTC of Position dd Degrees mm Minutes xxxxx Decimal Minutes N North or S South W West or E East q Quality Indicator 0 GPS not available 1 GPS available s Number of satellites being used hhh Horizontal dilution of precision HDOP aaa M Antenna Height in Meters gggg M Geoidal Height in Meters Note if using GPGGA string use GPVTG for ship s speed and heading Document Number 430 024 00 Page 77 of 83 RMC Ship s Position GPRWMC tttttt A ddmm xxxxx N dddmm xxxxx W kk k ccc c ddmmyy vv E lt CR gt lt LF gt Where Note UTC Time A Status A valid V invalid dd Degrees mm Minutes xxxxx Decimal Minutes N North or S South W West or E East kk k Speed over Ground in knots Track in Degrees True ddmmyy Date day month year
52. he individual channels without processing them into an image The sonar will operate more quickly in this mode but you can t really see what it is looking at Enable Profile mode to profile a cross section of the seabed Profile Point Setup is used for enabling the digitized profile point detection You can set the Minimum Range and Minimum Level for detection Enabling the Low Mix display type decreases the data level so it is easier to see the profile points The profile points are output via Ethernet to a connected PC running Imagenex 3Dview exe using the IP Address stored in IPAddress Output1 of the DeltaT INI file the points can also be saved to a separate profile point data file 83P via the Record To Profile Point File button This operation can be performed in real time or during file playback While viewing the data in Profile Mode Profile Waterfall can be used to display consecutive cross sections of the sea floor in a depth vs color window To change the depth to color ratio position the cursor over the small profile image at the left side of the display and left click to change the start depth then right click to change the span The Video pull down menu is used for displaying a video window from an optional video capture device such as a video camera plugged into a USB video converter i e Adaptec AVC 1100 USB Sub menus include Open Video Window Change Video Format Record Enable and Video Recording Rate The f
53. he returned echo data 8 Data width 8 Bits 1 data point per byte Bytes 21 23 Reserved Always 0 Byte 24 Switch Delay The head can be commanded to pause from 0 to 500ms before sending its return data to allow the commanding program enough time to setup for the return of the data 0 to 250 in 2ms increments Byte 24 delay in milliseconds 2 Byte 25 Frequency 86 260khz Byte 26 Termination Byte The head will stop looking for Switch Data when it sees this byte Always OxFD 253 decimal Document Number 430 024 00 Page 68 of 83 SONAR RETURN DATA For every Switch Data Command the head returns a 32 Byte header 1000 bytes of echo data and a terminating byte value of OXFC The total number of bytes N returned will be 1033 For IUX data a total of 8 Switch Data Commands are required to receive the full 8000 data points from the sonar head For IVX data a total of 16 Switch Data Commands are required to receive the full 16000 data points from the sonar head Table 9 Model 837 Sonar Head Return Data 5 Description Bytet Description T U or X ID Status Number 11 Version Range Reserved Reserved Data Bytes Data SERE LO Status 0 0 0 0 0 0 0 0 0 22 26 Reserved Reserved Reserved Reserved Reserved 0 0 0 0 0 0 0 0 0 0 32 Echo Data 1000 Bytes 1032 Term OxFC BYTE DESCRIPTIONS Note All Byte values are shown in decimal unless noted with a Ox pre
54. head and 255 is reserved for broadcasting The DeltaT sonar head has a default statically assigned IP Address of 192 168 0 2 The Recommended PC s IP address and Subnet Mask on the PC are IP Address 192 168 0 3 Subnet Mask 255 255 255 0 On a Windows XP based machine this is done as follows 1 Navigate the Control Panel and double click Network Connections 2 Right click on the Ethernet interface you wish to connect with and select Properties Document Number 430 024 00 Page 38 of 83 i Local Area Connection Properties General Authentication Advanced Connect using Big Realtek 18139 810 Family Fast Ethemet NIC This connection uses the following items Client for Microsoft Networks File and Printer Sharing for Microsoft Networks 005 Packet Scheduler 2 Internet Protocol TCP IP Install Uninstall Properties Description Transmission Control Protocol Internet Protocol The default wide area network protocol that provides communication across diverse interconnected networks Show icon in notification area when connected Figure 46 Local Area Connection Properties Dialogue Box 3 Select Internet Protocol TCP IP and select Properties Internet Protocol TCP IP Properties 34 xi General You can get IP settings assigned automatically if your network supports this capability Otherwise you need to
55. in order to process the switches The header bytes must be present for the device to process the switches Table 10 Model 837 Azimuth Drive Switch Data Command From Surface BYTE DESCRIPTIONS Note Byte values are shown in decimal unless noted with a Ox hexadecimal prefix Byte Description 0 7 OxFE 0x46 Head Reserved Reserved Reserved Reserved Reserved ID 0 0 0 0 0 8 15 Reserved Reserved Reserved Azimuth Azimuth Reserved Reserved Reserved 0 0 0 LO HI 0 0 0 16 23 Reserved Reserved Reserved Reserved JReserved PRH Reserved Calibrate 0 0 0 0 0 Command 0 24 26 Switch Reserved Term Delay 0 OxFD Byte 0 Switch Data Header 1st Byte Always OxFE 254 decimal Byte 1 Switch Data Header 2nd Byte Always 0x46 70 decimal Byte 2 Head ID Always Ox1F Byte 3 10 Reserved Always 0 Byte 11 12 Azimuth Step Angle LO and HI Document Number 430 024 00 to 1199 180 0 Deg to 4179 7 Deg in 0 3 Degree steps Azimuth Step Angle angle in degrees 180 0 3 0 180 0 Degrees 300 90 0 Degrees 600 0 Degrees 900 90 Degrees 1199 179 7 Degrees Byte 11 Azimuth Step Angle amp Ox7F Byte 12 Azimuth Step Angle 8 0x3F80 gt gt 7 Page 72 of 83 Bytes 13 20 Byte 21 Byte 22 Byte 23 Byte 24 Byte 25 Byte 26 Reserved Always 0 PRH Command for MicroStrain 3DM GX1 Pitch Roll Heading sensor 0x00 Don t interro
56. inal pull down displays information about the DeltaT software such as contact information and version number Please provide the version number and date for any support assistance Document Number 430 024 00 Page 6 of 83 2 1 3 2 File playback To open a 837 data file to playback use the menu command File gt Data From File The playback speed and playback file position may be altered by using the slider bars in the toolbar See Page 20 for details on the File Playback Bars Once you open a sonar data file to playback the operation of real time sonar data acquisition will stop You can open only one data file to play back at a time But you can open another data file to playback during file playback by following the above procedure You can once again change the operation back to real time data interrogation by using the menu command File Data gt The system will then close the opened data file and begin to acquire data from the sonar head settings are not able to be adjusted during file playback The exception to this is the 2 5m range This Note Care must be taken to adjust the range gain and speed during real time operation as these range is actually a 5m range in the sonar head and displayed as a 2 5m range in the DeltaT software Document Number 430 024 00 Page 7 of 83 3 0 Detailed Description of Menus The DeltaT program provides several convenient ways menu commands Dialogue
57. ing the file Playback File Use this command to open a previously recorded DeltaT sonar data file with the file extension 837 to play back The DeltaT program displays the File Open Dialogue box so you can choose which file you want to open Fast Playback Use this command to quickly scan through a file It advances the file progress in steps increments to allow a quick overview of the file to determine if further inspection is required Use Realtime Playback Speed Use this command to playback a file at the same rate as it was recorded in real time It adjusts the playback speed to simulate Ethernet communication and acoustic times Document Number 430 024 00 Page 8 of 83 Copy Start Use this command to copy a section of a file during file playback to a new file This is useful when viewing large files and only a section is needed While copying data the menu item will change to Copy Stop Select this to stop copying the file Convert 837 Sonar File s to 83B Formal Use this command to convert a single or multiples files to a 83B file format which contains processed beam data Before using this command the processing scheme must be setup Please refer to Page 12 for further details Save Screen Use this command to capture a BMP bitmap image of the current screen for inclusion into documents etc Exit Use this command to terminate your DeltaT program
58. is selected the profile points will be generated on the first target whose intensity is over a set threshold and whose range is greater than the Minimum Range or Depth set by the user The effect of this is that any objects in the water column will generate profile points Figure 36 First Return Filtering Example Document Number 430 024 00 Page 31 of 83 Maximum Return When Maximum Return is selected the profile points will be generated on the target whose intensity is the greatest for that beam and whose range is greater than the Minimum Range or Depth set by the user The effect of this is that any objects in the water column which generate weaker returns than the bottom will not generate profile points Figure 37 Maximum Return Filtering Example Bottom Following When the Bottom Following filter is selected the profile points will be generated based on a determination on the bottom return It attempts to or follow the bottom in order to generate contours The effect of this is that any objects in the water column which generate weaker returns than the bottom will not generate profile points Also note that any small targets such as small rocks on the bottom will be ignored in order to approximate the bottom contour Figure 38 Bottom Following Filtering Example Document Number 430 024 00 Page 32 of 83 7 3 4 Advanced Filter Settings This section is only available in DeltaT exe v1 01 47 or higher
59. lick on properties of the LAN adapter and properties of the TCP IP There is also a settings box for default gateway but it can be left blank The IP Address of the sonar head is fixed at 192 168 0 2 optional IP Address s can be specified at time of order DeltaT exe is a Windows program that controls displays and records data from the DeltaT Sonar The program uses a high speed Ethernet connection 10Mbps to communicate with the Model 837 sonar unit The installation of the software on the PC is straightforward The executable is called DeltaT exe It can be installed in it s own directory and run by double clicking or you can create a shortcut from the desktop for it We do not recommend using the New Program Wizard or any other installation program The program may start up either in playback mode or in real time mode If it is in real time mode and the sonar head is not connected there may be a delay before the prompt comes back The menu item for selecting between real time and file playback is called Data From it is located under the File pull down menu which is the leftmost upper pull down menu item as shown in the screen capture in Figure 5 Note There are several things that can cause lost or failed connection One is that the user turned the sonar power off The other is that the Ethernet connection is not configured correctly Document Number 430 024 00 Page 4 of 83 68 DeltaT Multibeam Sonar c documents
60. make a long story short Windows assigns a specific Com Port to a specific serial device plugged into a specific USB port If any combination changes Windows will assign a different Com Port Document Number 430 024 00 Page 50 of 83 Determining the Assigned Com Port For All USB lt gt Serial Converters This section describes various procedures for determining the assigned Com Port of a converter This document assumes the Windows XP Pro operating system and other computers may appear differently However the procedures will be similar regardless of the Windows version To access the Device Manager from the Desktop Right click on My Computer Left click Properties Follow the following Illustrations to Set the Com Port Number of the Device Note that these Illustrations are for the ATEN UC 232A Device Also Ignore the baud rate settings Imagenex software automatically opens the port at the correct parameters System Properties S em Restore Automatic Updates General j Computer Name Hardware Advanced System Microsoft Windows XP Professional Version 2002 Service Pack 2 Registered to ASUS P5 SYSTEM 76487 OEM 0062562 09789 Computer Intel R Core TM 2 CPU 6400 2 13GHz 2 14 GHz 2 00 GB of RAM Physical Address Extension Figure 56 System Properties Document Number 430 024 00 Page 51 of 83 System Properties System Restore Automatic General Computer Name i Device Manager The
61. menu to control whether the software is in real time or playback Record Start is for starting data recording onto the PC s hard drive and supplies a Dialogue box for file name and location Playback supplies a Dialogue box for selecting a file for playback data files are automatically given the extension 837 Copy Start is for copying sections of files into a file with a different name for subdividing long data files Save Screen is a screen capture command which creates a BMP bitmap image of the current screen for inclusion into documents etc The Color Table pull down menu is for changing display colors Single target detection is often best using the NORM color table while images of the bottom with shadows are usually best viewed in GREY or BROWN YELLOW These colors are for display only the data can be played back with any color scheme if desired The Setup menu contains the Xdcr Position setting Up or Down Measurement Units Meters Feet or Yards enable disable for Automatic filename generation when recording and a Sound Velocity user entry box Under Options there are Grid On or Off Sector Size 30 60 90 or 120 Degrees Beamwidth Wide 3deg Normal 1 5 deg Narrow 0 75 deg and Narrow Image 0 75 deg Beams 120 240 or 480 display beams enable disable Beam Output to IPAddress Outputi located in DeltaT INI and Averaging 0 to 10 shots While viewing the data in Sector Mode Remove Background
62. n WAN Select Create a new service Select PPP bridged Ensure the settings are as shown below Navigate to G SHDSL Configuration Ensure the settings are entered as shown below to disable Error Control DSL Monitor Options These NON destructive settings will be applied immediately Clear Error Counters Do not Clear Ethernet Link Kill Disable Error Monitor Max Interval Errors Error Monitor Interval Time sec Error Monitor Interval Count Error Monitor Total Intervals Error Monitor Start Up Delay Figure 53 Patton Remote DSL Monitor Setup Document Number 430 024 00 Page 45 of 83 Line Options These settings are destructive The line will resi Circuit ID Intended DSL Data Rate 2304K Actual DSL Data Rate kbps 2304 Number of i Bit Eom Annex Type Annex Central DSL Protocol hdlc v Line Probe Disable Transmit Gain 0 0dB Action Start Configure amp Activate Figure 54 Patton Remote Line Options To save the settings to the internal Flash memory Navigate to System Configuration Save to Save current settings to flash Note the difference in Device Type and Intended DSL Data Rate The Remote unit is set for the MINIMUM Data Rate while the Central unit is set for the MAXIMUM Data Rate The Remote unit will up it s Data Rate to match the Data Rate of the Central unit
63. n costs The USB bus is extremely versatile as there are no Com Port conflicts no IRQ s to deal with and has support for up to 256 devices on one bus while there are usually multiple USB ports on a computer there are usually only two physical USB buses With all that is going for it one would wonder why use serial devices at all Good question Major factors in retaining a true physical serial device are Cable length USB has a maximum cable length support of 5m 16 Latency USB is a packet driven technology and as such delays occur due to USB driver packaging schemes Virtual Communication Ports To get a serial device RS 232 or RS 485 connected to a computer that only has USB ports a converter needs to be installed in line between the USB port and the serial device These converters install a special driver in Windows called a Virtual Com Port This software will emulate a serial port so that serial enabled software can simply see the USB port as a serial port See the figure below for an overview Phy sical Interfaces Computer running Windows OS R55 8 USB 4 4 lt 9 ComX USB ComX Physical Data Virtual Com Sonar Converter Port Driver Program Figure 55 Overview of USB Data Converter Logic Flow One caveat is that Windows can get confused if a device is plugged into a USB port while there is data being transmitted through it Windows thinks tha
64. n the Patton Quick Start Guide to configure the IP address for the unit to match the network being used For example if the sonar s IP address is 192 168 0 2 then the network would be configured as Table 6 Default IP addresses Device IP Address Subnet Mask Sonar 192 168 0 2 NA PC 192 168 0 3 255 255 0 0 Patton connected to PC Central unit 192 168 0 10 255 255 0 0 Patton connected to Sonar Remote unit 192 168 0 11 255 255 0 0 Each Patton device must be configured separately using HyperTerminal Start Menu All Programs Accessories Communications HyperTerminal e Enter superuser as Login e Enter superuser as Password Ensure to type system config save lt enter gt to save the IP address to flash Service and G SHDSL Configuration To save the settings to the internal Flash memory Navigate to System Configuration Save to Save current settings to flash Once the IP Addresses are configured connect the remote unit to the computer via Ethernet and open a web browser Type 192 168 0 11 in the Address Bar to connect to the remote units web configuration page Enter superuser as Login and superuser as Password Navigate to Services Configuration WAN Select Create a new service Select PPP bridged Ensure the settings are as shown below Navigate to G SHDSL Configuration Ensure the settings are entered as shown below to disable Er
65. nar sends up trigger status information for each data frame and is displayed here Document Number 430 024 00 Page 23 of 83 5 4 Azimuth Drive Diagnostics Dialogue Box The Azimuth Drive Diagnostics Dialogue Box is used to display important Azimuth Drive specific variables This Dialogue box is very useful when trouble shooting the system in real time et h THana c AZUL agnos 7 Figure 20 Azimuth Drive Dialogue Box 5 5 Auto Azimuth Dialogue Box The Auto Azimuth Dialogue Box is used to control important Azimuth Drive specific parameters Azimuth Start 0 0 zi Degrees Azimuth Stop Cw 1800 4 Degrees Azimuth Increment 3 0 zi Degrees m After each scan Generate DeltaT Sonar file 837 Generate Profile Point file 834 Generate ASCII file XYZ Defaults Figure 21 Auto Azimuth Dialogue Box Auto Azimuth Enable Selecting this check box will set the Azimuth Drive to automatically scan through the parameters described below Azimuth Start Sets the starting location where the auto scan begins Azimuth Stop CW Sets the stopping location where the auto scan ends The scan operates Clockwise Azimuth Increment Specifies the step size in degrees for each sample Generate DeltaT Sonar file 837 After the current scan is complete a sonar file is generated in the standard 837 file format Document Numb
66. nced Filter Settings 7 4 PROCESSING EFFECTS ON PROFILE DATA 7 5 PROFILE INSPECTION USING 3DVIEW APPENDIX A AZIMUTH DRIVE ORIENTATION CALIBRATION PROCEDURE APPENDIX B ETHERNET SETUP GUIDE CONFIGURATION OF WINDOWS XP ETHERNET COMMUNICATIONS SHARING AN ETHERNET DEVICE WITH THE SONAR AND INTERNET SETTING UP A DIRECT CONNECTION SETTING UP A LAN SETTING UP A NETWORKED LAN APPENDIX C PATTON 3241 G SHDSL ROUTER CONFIGURATION APPENDIX D TROUBLESHOOTING COMMUNICATIONS APPENDIX E USB DATA CONVERTERS AND WINDOWS XP COMMON WINDOWS ISSUES RELATED TO ALL USB lt gt SERIAL CONVERTERS DETERMINING THE ASSIGNED COM PORT FOR ALL USB lt gt SERIAL CONVERTERS APPENDIX F DATA STORAGE FILE FORMAT 637 APPENDIX G 83A PROFILE POINT OUTPUT 83 APPENDIX SONAR ETHERNET SPECIFICATION V1 01 APPENDIX I AZIMUTH DRIVE ETHERNET SPECIFICATION V1 02 APPENDIX J GPS STRING FORMATS FOR DELTAT EXE APPENDIX K BEAM OUTPUT FORMAT 83B Table of Figures TABLE 1 THE FILE MENU ITEMS TABLE 2 THE COLOR TABLE MENU ITEMS TABLE 3 THE VIEW MENU ITEMS TABLE 4 THE MAIN CONTROL ITEMS TABLE 5 THE DIAGNOSTIC ITEMS TABLE 6 DEFAULT IP ADDRESSES TABLE 7 WINDOWS COM PORT ASSIGNMENT SCHEME TABLE 8 MODEL 837 SWITCH DATA COMMAND TO SONAR HEAD TABLE 9 MODEL 837 SONAR HEAD RETURN DATA TABLE 10 MODEL 837 AZIMUTH DRIVE SWITCH DATA COMMAND FROM
67. ndows Com Port Assignment Scheme Converter USB Port Assigned Com Port A A A B A A B A The table above indicates a possible scenario where various converters are plugged into various USB ports The assigned Com Port numbers above are only for illustration purposes Windows will actually assign the device the next available Com number For example If you first plug the device into the BACK USB port of the laptop Windows will assign it a Com Port number of for arguments sake 4 When you start the DeltaT software you set the GPS Com Port to 4 and it runs fine The next time you use the device you plug the same device into the SIDE USB port on the laptop Windows will then assign the device a Com Port number of again for arguments sake 5 Now when you start the DeltaT software it cannot open or find Com Port 4 as the device is now set to Com Port 5 You set the Com Port in DeltaT to 5 and it again runs fine There is no solution for this behaviour It is a Windows function and Imagenex has no control as to how the Com Ports are assigned to a device Our suggestion is to only use the same USB port for each device For example only use the BACK USB port for GPS input Also if a different serial device is plugged into the same USB port Windows will assign it a different Com Port again For example if Com Ports 4 and 5 are already taken Windows will assign it Com Port 6 To
68. ned pulse can be scattered Flat Bottom Filter the flat bottom filter reduces bottom artifacts directly beneath the transducer All beams within 30 degrees of nadir are analyzed Use this filter only if important vertical features such as pilings or seawalls are not present Remove short outliers short outliers are unwanted targets above the bottom and in the water column The 96 of range entry sets the effective height off bottom setting for the filter This setting is entered as a percentage of the current range scale For example if the current range scale is 20m a value of 2096 would mean that all targets higher than 4m above the bottom will be removed A setting of 2096 can be used for relatively flat bottoms lower settings can be used for very flat bottoms Increase to 100 to keep all water column targets Select Show removed points to display the removed points as enlarged green blocks using the Norm Hi Color Table Lower the Background Level setting to 0 1 or until the removed points are easily seen This is a good diagnostic tool for evaluating the short outlier removal filter 5 Along Track Averaging this filter generates bottom ranges by averaging a number of consecutive pings It uses the same ping average setting as the Options Averaging menu Along track averaging can be used with any of the above filters Document Number 430 024 00 Page 34 of 83 7 4 Processing Effects on Profile Data The typ
69. nobs are not active they simply reflect the setting that was used during the recording of the real time data acquisition Table 4 The Main Control Items Figure 17 The Main Controls Range The Range knob controls the current acoustic operating range during real time operation Gain The Gain knob adjusts the amount of hardware amplification used in the receiver circuitry of the DeltaT sonar head Adjust the Gain so that there is a minimum amount of Red displayed in the Signal Level window located in the lower left hand corner of the screen This window is enabled via the Options menu Display The Display knob is used to adjust the brightness of the sonar image after the Gain has been adjusted Hold Hold icon places all communication and displays on hold Normal Held Document Number 430 024 00 Page 19 of 83 4 2 File Playback Progress and Speed These slider bars are not available during real time operation When a file is opened a file playback progress bar and playback speed bar window will appear Use these items to adjust the rate of file playback and location within the file to view r Figure 18 The File Playback Progress and Speed Bars File Progress A slider bar with a pointer showing file playback position Dragging the pointer to a new position will cause the file playback to start at that position The slider range represents the file size Pla
70. ntation of the Azimuth Drive Sonar DOWN Figure 45 Orientation of the Azimuth Drive Sonar UP Pitch and Roll Calibration Set the Azimuth Drive in the desired position UP or DOWN and accurately level the drive in both the pitch and roll directions Run the program DeltaT Azimuth Drive calibrate pitch roll exe and follow the on screen instructions Heading Calibration Set the Azimuth Drive in the desired position UP or DOWN Run the program DeltaT Azimuth Drive calibrate compass exe and follow the on screen instructions Rotate the Azimuth Drive Clockwise Document Number 430 024 00 Page 37 of 83 Appendix B Ethernet Setup Guide The Imagenex Model 837 DeltaT sonar system consists of an underwater sonar head connected via Ethernet directly or indirectly to a Windows based computer This document covers the necessary setup procedures to enable your Windows XP based PC to communicate with the sonar Ethernet Cable The included Ethernet cable specifications are Cat5e RJ 45 e 568B wiring scheme If this cable needs to be replaced ensure that the above specifications are met Configuration of Windows XP Ethernet Communications For the DeltaT system the following Address s are used PC IP Address 192 168 0 X Subnet Mask 255 255 255 0 Where is a decimal number between 3 and 224 The number 1 is reserved for a network server 2 is reserved for the DeltaT sonar
71. rial Controller Device status This device is working properly ff you are having problems with this device click Troubleshoot to istart the troubleshooter Device usage Use this device enable Figure 59 Port Properties Select Port Settings ATEN USB to Serial Bridge COM4 Properties General Port Settings Driver Details Bits per second Data bits Parity Stop bits Flow control Figure 60 Port Properties Click Advanced Document Number 430 024 00 Page 53 of 83 Advanced Settings for COM4 v Use FIFO buffers requires 16550 compatible UART Select lower settings to correct connection problems Select higher settings for faster performance Receive Buffer Low 1 Transmit Buffer Low 1 COM Port Nunber 18 028888 Figure 61 Advanced Port Properties Select Com Port Number Quick Tip To make a shortcut to the Device Manager on the Windows desktop Right click on the Windows desktop Select New gt Shortcut Enter devmgmt msc Select Next Enter Device Manager Select Finish Select a Title for the Program IX Create Shortcut name for this shortcut This wizard helps you to create shortcuts to local or IRE MEN E Sere META crunt Type the location of the item Click Finish to create the shortcut devmgmt msd Cli
72. rmation on using these devices ComPort Setup GPS Input Concer NMEA Position omPort E C GLL Bits per second N A C GGA C RMC Data bits N E Parity N E Stop bits N A vj Sound Velocity Input Device Type Donar NA gt Digibar Pro Bits per second sl C SBE 37 Data bits N A El Parity Stop bits N BI Defaults Figure 24 ComPort Setup Dialogue Box Although the ComPort Setup NMEA Position area only indicates GLL GGA and RMC strings when using GLL or GGA ensure that the VTG string is present as certain information is not present in the GGA and GGL strings If using RMC however the VTG string is not necessary Once the GPS setup is complete it may take awhile for the GPS device to detect satellites Until the GPS begins sending GPS information to the DeltaT program the GPS information area located in the lower right corner of the display will appear as shown in Figure 26 After GPS information is sent to the DeltaT program the current Coordinates and speed will appear as shown in Figure 25 AT 48 49 417 N LNG 121 02 879 W SPD 3 2KTS Figure 26 No GPS information present Figure 25 GPS information present Document Number 430 024 00 Page 26 of 83 7 0 Profiling Operations In order to generate profile data for use in the Imagenex 3DView exe software or various third party vendors contact Imagene
73. ror Control Document Number 430 024 00 Page 43 of 83 DSL Monitor Options These NON destructive settings will be applied immediately Clear Error Counters Do not Clear v Ethernet Link Kill Disable Error Monitor Max Interval Errors Error Monitor Interval Time sec Error Monitor Interval Count Error Monitor Total Intervals Error Monitor Start Up Delay Figure 51 Patton Central DSL Monitor Setup Line Options These settings are destructive The line will resl Circuit ID Intended DSL Data Rate 192K v Actual DSL Data Rate kbps 2304 Number of i Bit 0 Annex B Device Type Remote DSL Protocol hdlc Line Probe Disable Transmit Gain 0068 Action Start Configure amp Activate Figure 52 Patton Central Line Options After Selecting Configure amp Activate wait for about one minute Document Number 430 024 00 Page 44 of 83 To save the settings to the internal Flash memory Navigate to System Configuration Save to Save current settings to flash Disconnect the Remote unit from the PC and Connect the Central unit to the PC via Ethernet and open a new tab in the browser or a new browser window Type 192 168 0 10 in the Address Bar to connect to the central units web configuration page Navigate to Services Configuratio
74. s locate the mouse at the top of the display until the mouse changes from the arrow to a vertical double ended arrow similar to the one that appears when resizing a window Left click the mouse and drag down As the mouse is dragged a gray diagonally striped area will follow the mouse Release the mouse button when the desired minimum range is set Likewise the same can be accomplished with the maximum depth except the starting point is at the bottom of the screen Figure 29 shows the effects of maximum profile depth In the top image the maximum profile depth is set a point beyond the bottom return Thus profile points are generated on the bottom In the bottom image The maximum profile depth is set a point just at the bottom return Thus profile points are generated only on the part of the bottom that is less than the maximum depth setting Figure 29 Example of Maximum Profile Depth Adjustment Figure 30 shows the effects of minimum profile depth In the top image the minimum profile depth is set a point closer than the targets Thus profile points are generated on the targets In the bottom image The minimum profile depth is set a point just at the targets Thus profile points are generated only on the part of the targets that are farther away than the minimum depth setting Figure 30 Example of Minimum Profile Depth Adjustment Document Number 430 024 00 Page 29 of 83 7 3 2 Profile Point Display This section of the Profil
75. st number indicates the current Display settings according to the Display knob The second number in brackets indicates the Display settings from when the file was recorded frequency Current operating frequency of the DeltaT sonar average Current averaging setting as applied from the Options menu beamwidth Current beamwidth setting as applied from the Options menu beams Current beam setting as applied from the Options menu velocity Current sound velocity as applied from the Setup menu pitch If supplied with the optional Pitch Roll and Heading sensor the pitch value for the current data frame will appear here roll If supplied with the optional Pitch Roll and Heading sensor the roll value for the current data frame will appear here heading If supplied with the optional Pitch Roll and Heading sensor the heading value for the current data frame will appear here depth The depth value entered in the DeltaT ini will appear here IP Sonar The IP address of the sonar as applied in the Setup menu is displayed here IP Output The IP address of the profile point or beam output as applied in the Setup menu is displayed here Bytes Out The number of bytes sent out to the post processing machine are displayed here Ext Trigger If supplied with the optional external trigger capability the so
76. t the device is a pen mouse and the mouse cursor will behave erratically If this happens the computer will need to be restarted To circumvent this phenomena DO NOT connect GPS or other devices to the USB adapter until the adapter is fully functional i e plug the converter into the computer and wait until Windows sets it up and assigns it a Com Port number BEFORE plugging a serial device into the converter Generally once a converter is correctly installed Windows will assign a Com Port number to A PARTICULAR device on A PARTICULAR USB port Once this is done things run pretty smoothly until the operator changes something Document Number 430 024 00 Page 49 of 83 Common Windows Issues related to all USB lt gt Serial Converters This section is directed towards a USB device that is encoded with a serial number If the USB is not encoded with a serial number Windows will not assign a different Com Port number for each device It will still however assign a different Com Port number for each physical USB port Windows XP will assign a Com Port number to a USB device when it is first installed in the system However it will assign a DIFFERENT Com Port number to the same device when it is plugged into a DIFFERENT USB port on the same computer To further complicate matters Windows XP will assign a DIFFERENT Com Port number to a DIFFERENT device when it is plugged into the SAME USB port on the same computer Table 7 Wi
77. the Profile Tilt Angle menu refer to Section 3 8 on Page 15 for details 2 1 2 Electrical Connection The DeltaT Azimuth Drive system consists of an underwater sonar head connected directly to the Azimuth drive The Ethernet signals from the Azimuth Drive and the sonar are fed into a Patton CopperLink device which converts the Ethernet signals to run over long distances These CopperLink signals and the Power lines are fed into the Junction Box where they are converted back to Ethernet and to a Windows OS computer and a 48V power supply In the typical installation the power supply and PC are supplied by the customer The cable which comes with the unit has an underwater mate able connector for the sonar side and a standard RJ45 connector for the Ethernet The cable is currently made up with bare wires for power red goes to positive black to negative The Azimuth Drive and Junction Box uses approximately 1A at 48Volts 2 1 3 Software Setup The requirements for the user supplied PC are Windows XP an available Ethernet port and at least 2 GHz Pentium IV processor Standard software screen resolution is 1024x768 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 between 3 and 254 Also set the subnet mask to 255 255 255 0 In Windows XP these settings can be found in the Network Connections item in the Control Panel C
78. tion to the sonar and the post processing software machine This command does not alter the IP address of the sonar head It simply lets the DeltaT software what the IP address of the sonar is Position Use this command to set the display orientation of the DeltaT program to match the physical orientation of the sonar head If the Xdcr Position setting is incorrect port side data will be displayed on the starboard and vice versa The up down setting in software can be switched if the sonar must be mounted the opposite way Refer to the section on Hardware Installation on Page 2 for details Units Use this command to change the display units to either Meters Feet or Yards Automatic Filenames 837 Use this command to enable the option to save real time sonar data to a 837 file using automatically generated filenames If this option is disabled the standard Windows Dialogue box will prompt the user for input when recording a file Automatic Filename Type If automatic filename generation is enabled the file will be named according to the scheme selected here The file names will be based on the system date and time as DDMMMYYYY hhmmss 837 or DDMMMYYYY nnnn 837 where n will be incremented by one with each file created on the same date Sound Velocity This item will need to be altered if the known speed of sound is different than 1500m s Document Number 430 024 00 Page
79. to your Internet Service Provider On most modern systems this may be as simple as setting the system to Obtain settings Automatically This will set the computer to use the DHCP protocol The DeltaT sonar head has a statically assigned IP Address of 192 168 0 2 To re use the sonar the above procedures MUST be followed Setting up a Direct Connection This is the simplest way to connect to an Imagenex Ethernet Sonar System to a computer PC as shown in Figure 48 In this configuration there is simply a direct connection between the sonar and the operating PC Note that the PC has a static IP address of 192 168 0 157 Sonar Device IP 192 168 0 2 IP 192 168 0 157 Figure 48 Connecting the Sonar via Direct Connection Document Number 430 024 00 Page 40 of 83 Setting up a LAN To connect an Imagenex Ethernet Sonar System to a Local Area Network LAN refer to Figure 49 The advantage of this setup is that the sonar may be operated from any computer that is connected to the LAN Note that the server computer must be running Windows XP PRO in order to set up a LAN This is because only XP PRO contains the necessary DHCP server component to auto configure the client PC s The server also has a static IP address of 192 168 0 1 and no other PC on the network may have this IP Currently the sonar does not support DHCP and is simply piggv backing the network by using an IP that is on the same Subn
80. tra Six pings per second Assuming a knot cruising speed The data collection rate went from 5 pings per meter up to 9 pings per meter Note however that these numbers are strictly for example only and may or may not be reasonable in the field Experimentation will need to be done to determine the minimum amount of processing to get the job done n E Diagnostics Figure 41 PRF Example 480 Beams 120deg Sector eu Diagnostics Figure 42 PRF Example 120 Beams 60deg Sector Document Number 430 024 00 Page 35 of 83 7 5 Profile inspection using 3DView It is important to remember that the DeltaT software only displays one shot at a given time Thus it can be difficult to determine what is being displayed on the screen To alleviate this Imagenex has developed the 3DView exe application which sequentially plots one frame at a time to build up an image over time This section demonstrates the effect of profile filtering using the 3DView images First Return When First Return is selected the profile points will be generated on the first target whose intensity is over a set threshold and whose range is greater than the Minimum Range or Depth set by the user The effect of this is that any objects in the water column will generate profile points Bottom Following When the Bottom Following filter is selected the profile points will be generated based on a determination on the bottom return It attempts
81. x for a list of partners certain parameters need to setup before this can occur This section will describe the procedure for generating profile data 7 1 Profiling Overview It is important to remember that the DeltaT software only displays one shot at a given time Thus it can be difficult to determine what is being displayed on the screen To alleviate this Imagenex has developed the 3DView exe application which sequentially plots one frame at a time to build up an image over time Please refer to the section on 3DView on Page 36 for details 7 2 Profile Point Setup Before beginning to generate profile points the profile point destination needs to be setup This is done in two places The first is under IP Address in the Setup Menu as shown below in Figure 27 IP Address Sonar IP Address 192 158 0 2 Dutput IP Address 192 168 0 4 Default Cancel Figure 27 IP Address Dialogue Box If the profile point are to be sent to 3DView running on another PC set the Output IP Address to the address of that PC If the profile point are to be sent to 3DView running on the same PC set the Output IP Address to 127 0 0 1 This special IP address is often referred to as the Local Host Now when profile detection and data output is enabled the detected profile points are sent to the IP address set in the above Dialogue box Document Number 430 024 00 Page 27 of 83 7 3 Profile Point Setup In or
82. y Back Speed A slider bar with a pointer showing file playback speed setting Dragging the pointer to the right will speed up file playback Document Number 430 024 00 Page 20 of 83 5 0 Dialogue Boxes 5 1 File Open Dialogue Box The following options allow you to specify which file to open File Name Type or select the filename you want to open This box lists files with the extension you select in the List Files of Type box List Files of Type Select the type of file you want to open The supported file extensions are 837 if opening a sonar data file The 837 file extension is the standard DeltaT recorded file format Directories Select the directory in which DeltaT control software stores the file that you want to open 5 2 File Save As Dialogue Box The following options allow you to specify the name and location of the file you re about to save sonar data into File Name Type a new filename or select an existing file name to save sonar data into that named file List Files of Type Select the type of file you want to save The supported file extension is 837 Document Number 430 024 00 Page 21 of 83 5 3 Diagnostics Dialogue Box The Diagnostics Dialogue Box is used to display important system variables This Dialogue box is very useful when trouble shooting the system in real time Diagnostics Figure 19 The Diagnostics Dialogue Box T

430-024-00 - DeltaT Azimuth Drive User's Manual

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