HYDROTRAC II - Teledyne Odom Hydrographic
Contents
1. eeeee iere ee eeee e eeee eere eene n nnne nnns 31 Appendix C Internal Jumper configurations 1111Leeeee eee eeeeee ee iieee erue e nenne enn n nnmnnn nnmnnn nnmnnn 32 Appendix D Upgrading Hydrotrac Il FPGA and Firmware 1 ee e eeeeeee ecce eeeee enne nennen 33 Appendix E Hypack Ethernet Interfacing with the Hydrotrac ll 34 Appendix F Firmware Revisions esee qeu uin anita duni ciens poicn viui Sireaen so nuno dna bun cuis un KE esis ater main UE dara UE SAM ERES ZEE tienes MuR EUER US 42 Ger 29 TELEDYNE ODOM HYDROGRAPHIC A Teledyne Technologies Company Hydrotrac II User Manual 1 INTRODUCTION 1 1 Purpose The purpose of this document is to explain the features and operation of the Hydrotrac Il 1 2 Scope The scope and content of this document is focused on providing useful information to the end user pages oras TELEDYNE ODOM HYDROGRAPHIC A Teledyne Technologies Company Hydrotrac II User Manual 1 3 Glossary DGPS Differential Global Positioning System NMEA National Marine Electronics Association VDC Volts Direct Current TOH Teledyne Odom Hydrographic PPS Pulse Per Second Page 6 of 43 mW TELEDYNE ODOM HYDROGRAPHIC A Teledyne Technologies Company Hydrotrac II User Manual 2 PRODUCT DESCRIPTION 2 1 Hydrotrac Il General Specifications Freq2. mn LI ALLEL REEL LILI LL SR ed ee Jupi Fal This screen is a zoomed in portion of the above screen You will notice there appears to be an object on the bottom that we will edit out of the final data A o ASA TELEDYNE p ODOM HYDROGRAPHIC A Teledyne Technologies Company Hydrotrac II User Manual aj xe aj xl sd mur gea DIL RBLu4wEN I de LE Unpar ous Ge Mit jn Ida su To edit the data click on the Digitize button and then click with the mouse along where you want the digitizer to go Black dots will appear along where you clicked with the mouse When you have finished editing and you meet the original digitized line release the digitize button The digitizer line will merge with the original line See the screens below page Ode we TELEDYNE 0DOM HYDROGRAPHIC A Teledyne Technologies Company Hydrotrac II User Manual D Zpteresee TTT SSD ez AJ ai x D d Seel 253 4mE RENA Eyes esr Are eem rm pee Mmes dm d HB cun Line re digitized i A Km TELEDYNE ODOM HYDROGRAPHIC A Teledyne Technologies Company Page 41 of 43 m Hydrotrac II User Manual Appendix F Firmware Revisions FGPA firmware Internal GPS configured to NMEA GGA 9600 baud Fixed bug that was causing menu to lock up Added Annotation string ON OFF parameter o When Annotation is on and Mark button pressed fix line and annotation i
3. Serial 2 through the corresponding port If pins 2 and 3 of either serial port are shorted together the Serial 1 or Serial 2 string will display on the LCD When the Chart test is selected the Hydrotrac II will print a chart test pattern of grey shades Make sure the Printer ON OFF button is turned on to use this test To exit the Maintenance menu and return to configuration menu press the left arrow key 4 2 Interfacing 4 2 4 Serial Output Strings Serial1 4 2 1 1 Echotrac I O ECHOTRAC I O is the standard serial output string first introduced in the Echotrac DF 3200 MKI in 1985 Due to the wide acceptance of this string and the availability of the format in a number of data acquisition systems the string has been maintained in order to assure continued compatibility Please note that characters 2 amp 3 are lower case whenever the Units parameter selected is Meters centimeter resolution The foot serial output string varies from the metric string in that characters 2 amp 3 are always upper case tenths of feet ET es Description E F Indicates Fix Mark AN te foot units tenths res metric units cm Resolution T foot units tenths res t metric units cm Resolution Normally a Space E indicates Error I ig 5 Alwaysaspae 6 jDephData MSD 7 DephDaa 8 jDephDaa 9 JjDephDaa i Carriage Stim ODOM HYDROGRAPHIC A Teledyne Technologies Com
4. 24hr static Typical dynamic accuracy 3 5 meters 2 2 Scope of Material Included Hydrotrac Il Recorder 2 Serial cables 1 DC power cable 1 GPS antenna 2 rolls thermal paper Page 7 of 43 1 Crossover Ethernet cable Time PPS A G ns synchronized to UTC time e Standard NMEA0183 output message Features 8 5 in 216mm thermal printer fax paper Annotation printed on chart LCD display 1 in high e Sealed keypad controls e Manual remote mark command Auto scale change phasing e Separate adjustment for power and pulse width External GPS input e Heave input from motion sensor Integrated OEM DGPS receiver UTC time stamp capability TVG curve for side scan and bathymetry Output NMEA ECHOTRAC DESO 25 etc e Waterproof with front cover in place Fix mark annotation date time fix no depth and GPS if input Flash memory upgradeable e Waterproof DB9 connector serial ports standard serial interface cables Built in simulator e Serial port function test Robust firmware upgrades by SD Card E chart Software included Operation and installation manuals provided on CD Options e 200 kHz or 340 kHz side scan transducer e Remote display m m TELEDYNE ODOM HYDROGRAPHIC A Teledyne Technologies Company Hydrotrac II User Manual A INSTALLATION 3 1 Transducer Installation Proper mounting of the transducer is a crucial part of the installation of any surve
5. equivalent to a reset 3 3 2 Sensitivity Knob This knob adjusts the amplification of the signal received from the transducer Increase the knob in areas with a softer seafloor or less reflectivity of the seafloor 3 3 3 Keypad The 10 raised micro switches are part of the sealed display panel The keys have excellent tactile feel and high moisture resistance The keypad is used by the operator for direct parameter entry and functional control of the unit from the front panel There are four keys under the LCD that control the menus of the Hydrotrac Il These menus are described in a later section of this manual 3 3 4 LCD The 4 line by 20 character Transflective LCD Module with LED Back Lighting was chosen for it s excellent visibility in all light conditions from bright sun to darkened wheel house 3 3 5 Printer On Off button Turns the printer On or Off The LCD inside the button indicates whether the printer is on LED ON or off 3 3 6 Printer Take Up button The Hydrotrac ll printer has a slipping clutch that allows the operator to pull chart record that has been wound up The Take Up button allows the operator to take up the slack paper The take up button is also useful when changing the paper Note the Take Up and Feed buttons work independently to each stepper motor Pressing the feed button will not trigger the take up motor 3 3 7 Printer Feed button This button can be used to feed blank paper through the print head T
6. or other industrial or intellectual property rights ODOM HYDROGRAPHIC A Teledyne Technologies Company Page 2 of 43 m m TELEDYNE Hydrotrac II User Manual CONTENTS T NUON erc 5 Lr Tele 5 P 2E ee EE 5 LS AOSS eee eee E eee ee E ee EE 6 2 Prod ct CS dl Le EE 7 2 1 Hydrotrac Il General Specifications seeeeeeissssssesessesssssesseeene nennen nennen nennen nnn nnn nennen sns nans 7 2 2 Scope OF Material MGIC RTT LT 7 MENS AON E UT 8 31T Transducer UNS FAN Oe EE 8 Sy eg ee i e RE 8 9 2 THROUGA A HULE Installation EEN 8 S ns OEA CHES TE de ME 8 3 1 4 Over The Side Transducer Installation lessen nnne nnns 8 3 1 5 HULL MOUNT Installation seer 9 3 2 Hydrotrac Il Cable Connections 001nnnnnno0eannnnnnnosnnnnnnnossrnnnrnnnensnnnrrrrerssrnnrrrrerssrnnnrrrrennnnrrrrrerosennnrrreennnne 9 cp 9 S ME 2 9 s a E 10 ee 10 S MEM We Lj e U9 lt 1 NUN 10 5125 MM oC DD E arene cc RN 10 r FPE RR 10 29 Hydrotrac ll Recorder Buttons and KHODS ie oiio iuit tpatde tenet n pte Fclnku de nebat Eed 11 Sor TOW SSW OV CN K
7. 2 THROUGH HULL Installation The topside of the transducer is accessible from inside the vessel while the transducer face is directly exposed to the water Care should be taken to protect the transducer from damage and turbulence by installing a faring with a sloping forward edge ahead of the unit The faring has the dual effect of both minimizing possible strike damage and smoothing the flow of water over the face of the transducer 3 1 3 SEA CHEST Installation In a sea chest mount a fluid filled enclosure large enough to contain the entire transducer is attached to the outer hull of the vessel The outer hull is removed within the area of the chest and replaced with an acoustically clear window which is mounted flush with the hull immediately below the chest Depending on construction the material selected for the acoustic window and the draft of the vessel access can often be gained to the transducer from inside the hull without putting the vessel in dry dock In most installations a water filled standpipe is incorporated into the sea chest design in order to provide hydrostatic pressure equalization Transducer cables generally leave these assemblies through stuffing tubes that are designed to maintain the watertight integrity of the chest 3 1 4 Over The Side Transducer Installation A mount of this type is frequently constructed from a length of pipe This fixture should be sized to position the transducer well below the wate
8. O B Page 30 of 43 W TELEDYNE ODOM HYDROGRAPHIC A Teledyne Technologies Company Hydrotrac II User Manual Appendix B Motion Reference Unit output string The Hydrotrac II will only read the TSS1 output string The format of the string is The TSS1 data string contains 27 characters in five data fields The acceleration fields contain ASCII coded hexadecimal values Horizontal acceleration uses units of 3 83cm s in the range zero to 9 81m s Vertical acceleration uses units of 0 0625cm s in the range 20 48 to 20 48m s The motion measurements contained in the data string will be in real time valid for the instant when the system begins to transmit the string Motion measurements include ASCII coded decimal values Heave measurements are in cm in the range 99 99 to 499 99 meters Positive heave is above datum Roll and pitch measurements are in degrees in the range 90 99 to 90 99 Positive roll is port side up starboard down Positive pitch is bow up stern down XXAAAASMHHHHQMRRRRSMPPPP CRLF TT oT TT 7 TT Gg Ogg gd f 55 sf 9 S 5 BEF FB 5 S o D LL x o A a 58 9 se T 28 S E O 89 d Of k EE O 0 cz o oO E ef Kg 5 oz ns d N D 5 E S T z SE S un un un d d Ee S i Y g 2 U U ba ei cL HI 9 N c O Page 31 of 43 g m m TELEDYNE ODOM HYDROGRAPHIC A Teledyne Technologies Company Hydrotrac II User Manual Appendix C
9. measuring the time of arrival of an acoustic return echo referenced to the time of transmission The time required for sound to travel from a source the transducer to the seafloor or bottom and back can be measured and multiplied by the velocity of sound in water in order to arrive at the distance the pulse has traveled Since the transmitted pulse has traveled from the transducer to the bottom and back again then the distance must be halved in order to obtain the water depth As shown in the general depth formula below other factors enter into the equation as well d v xt k d 2 Where d Depth from referenced water surface v Average velocity of sound in the water column t Measured elapsed time from the transducer to the bottom and back to the transducer k System index constant d Distance from reference water surface to the transducer draft Since depth measurement accuracy is dependent on the value used for the velocity of sound in water along with the other factors shown above it is important that a realistic value for sound velocity be determined In water velocity is a function of temperature salinity and pressure Understandably then the local sound velocity may vary widely thereby resulting in the need to calibrate any type of echo sounder in order to provide the most accurate depth data at a given location The most common calibration technique is the bar check method This method when employed properly
10. panel side of the unit and the outside surface of the paper faces the printhead Step 3 Align the roll so that it engages the lower centering stud as it is set onto the lower paper guide Feeding Paper past the Printhead Step 4 Feed paper off the supply roll from the rear and over the paper drive roller between the Figure 3 3 printhead and the roller with the outside surface Front Panel Extended of the roll toward the printhead Only the outside surface of the paper will produce an image Note the printhead release lever must be in the released position far left position in order to accomplish this task Step 5 Once a small amount of paper is fed across the roller past the printhead pull approximately 450mm 18 through the printer This can be done easily if the paper is not allowed to engage the rubber paper drive roller with too much tension Feeding paper manually off the supply roll while pulling it past the printhead will assist in this task Once sufficient paper is fed past the print head center the paper manually and return the printhead release lever to the engaged position head locked down on the paper supply roller 3 4 3 Loading the Paper Take Up Spool Step1 Guide the end of the paper through the paper entry slot and over the take up roller bar Pull the excess paper through the slot Step 2 Using a small piece of tape attach the end of the paper to an empty paper core being sure to align t
11. APHIC A Teledyne Technologies Company Page 20 of 43 m m TELEDYNE Hydrotrac II User Manual When the Mark button is pressed the Hydrotrac II will either print annotation information with the fix line on not depending on whether this parameter is turned ON or OFF 4 1 4 6 Print Parameters When the Enter button is pressed while the menu selection is on PrintParams the Hydrotrac will printout all its parameter settings on the paper chart 4 1 5 Cal Pressing the CAL key initiates the display of the parameters required to accomplish a standard Bar Check calibration procedure Included are the following Calibrate Bar Depth Draft Index Velocity Please note that the current depth is displayed in the upper right hand corner of all of the menus as long as the Hydrotrac is actively sounding In the Cal menu it is provided in order to allow the operator to immediately see the effect of changing either Draft or Velocity It also makes it easy to confirm that the digitizer is locked either on the Check Bar during the calibration process or on the bottom when no value for Bar Depth is selected The digitizer gate limits are also printed on the chart ODOM HYDROGRAPHIC A Teledyne Technologies Company Pagea or TELEDYNE Hydrotrac ll User Manual Figure 3 5 Bar Check Calibration 4 1 5 1 Bar Depth Entering a value other than 0 in the Bar Depth parameter puts the Hydrotrac in the Bar Check Calibration
12. D card socket pagers lr 29 TELEDYNE 0DOM HYDROGRAPHIC A Teledyne Technologies Company Hydrotrac II User Manual Appendix E Hypack Ethernet Interfacing with the Hydrotrac Il INTRODUCTION The Hydrotrac Il has an Ethernet port that outputs the digitized samples to 8 bits of the acoustic signal from the unit s receivers This data has normally always been printed on the chart and only the digitized values have been input into the hydrographic software that is logging and editing the data To fully leverage the power of having all this acoustic data available Teledyne Odom Hydrographic and Hypack have developed an Ethernet driver that will read in the acoustic data into Hypack as well as the digitized values All the normal fix marks are still printed on the chart The real power of having the data available in Hypack comes into play when the surveyor goes to review and edit the data Instead of only having a digitized line on the screen and then having to refer back to the chart for reference all the acoustic data is in the background The surveyor can now edit the digitized data with much more precision and confidence The raw acoustic data is never altered during the editing process If the Hydrotrac Il is going to be connected directly to the computer then a cross over Ethernet cable is required This is the red Ethernet cable supplied with the Hydrotrac Il If there is a network hub between the computer and the Hydrotrac II then a straight net
13. EED switch upper right until sufficient paper has been advanced to clear any previously recorded data Cut the paper at a convenient point past the recorded data and remove the old chart Step 3 Swing the panels completely open to the last stop point on the support arm Figure 3 3 This will allow access to the paper supply and take up assemblies located at the rear of the panel Step 4 Locate the printhead release lever located below the printhead on the front side of the panel Figure 3 4 Push the lever all the way to the left in order to raise the printhead away from the paper and roller Step 5 Remove any remaining paper from the paper path and remove the spent supply roll from the holder mechanism Grasp the core and lift it upward and outward at the bottom The upward motion compresses the upper pressure spring and the outward motion clears the bottom of the core from the lower core centering stud Step 6 Use the same motion in order to remove the take up roll from its holder mechanism ODOM HYDROGRAPHIC A Teledyne Technologies Company page Terre 29 TELEDYNE Hydrotrac II User Manual 3 4 2 Installing a fresh Paper Supply Roll Step 1 On the paper supply side side closest to the printhead raise the upper paper guide until the spring is fully compressed Step 2 Insert the fresh roll of paper so that the core engages the top paper centering stud and so that the paper comes off the roll at the rear as viewed from the front
14. HYDROTRAC II USER MANUAL Version 0 9 Teledyne Odom Hydrographic 1450 Seaboard Avenue Baton Rouge Louisiana 70810 6261 Telephone 225 769 3051 Fax 225 766 5122 email odomhydrographic com http www odomhydrographic com Number of pages 43 Date April 11 2012 2 TELEDYNE ODOM HYDROGRAPHIC A Teledyne Technologies Company Hydrotrac II User Manual Revision Histor 03 01 2011 S Apsey Initial version draft ka 15 2011 S Apsey Added firmware revision list Added Annotation Parameter kee 23 201 1 S Apsey Revisions for firmware 0 7 Added appendix on interfacing Ethernet with Hypack Added explanation on exiting the maintenance menu 0 6 06 21 2011 S Apsey Revision for firmware 0 10 see appendix 11 17 2011 C Myer Correction to Appendix C for External GPS jumper configuration Also added a reference note in section 3 2 3 to Appendix C 0 9 04 11 2012 R Zheng Revision for firmware 0 13 see appendix ODOM HYDROGRAPHIC SYSTEMS INC 2012 All rights are reserved Reproduction in whole or in part is prohibited without the prior written consent of the copy right owner The information presented in this document does not form part of any quotation or contract is believed to be accurate and reliable and may be subject to change without notice The publisher will not accept any liability for any consequence of its use Publication thereof does not convey nor imply any license under patent
15. Internal Jumper configurations The communication board inside the Hydrotrac Il has a number of jumper settings that can be moved to change the configuration of Com2 from RS232 to RS422 and whether the Hydrotrac II uses the internal GPS or gets data from an external GPS To change these jumpers remove the four nuts securing the cover over the internal circuit boards The communication board is the one labeled 2420 0005 REV Jumper Default Jumper setting Optional Jumper setting Name JP3 SE JP9 pin 2 JP10 pin 3 jumper wire included 1 2 External GPS to input through GPS I O port Hydrotrac Il serial numbers 004806 or above have been fitted with a internal Hemisphere P100 GPS receiver The P100 will deliver survey grade accuracy without the need of an external GPS receiver Therefore the external GPS input is no longer an option The P100 is set from the factory to connect to the survey computer via the Hydrotrac Il GPS IO port at a baud rate of 19200 N 8 1 Changes can be made to the P100 through this port using Hemisphere s program PocketMAX PC control software The PocketMAX software can be found on the product CD that is included with every Hydrotrac Il It can also be downloaded from our website at www odomhydrographic com Internal communications board jumper settings are changed for this new board and are reflected in the table below Default Jumper setting Com 2 Optional Jumper setting Com 2 Name 1 2 Standard RS232 Con
16. Mode If for example the operator enters a value of 5 00m as the Bar Depth parameter then immediately upon pressing enter the Digitizer will expect to see a target at that 5 00 meter depth 0 5m while rejecting all other returns including those from the bottom At the same time the printer will begin to print the tracking gate at a total width of 1 00m centered about the Bar Depth 4 1 5 2 Draft amp Index Draft is the correction value added to the measured depth to adjust for the difference between the depth of the transducer and the water s surface a d k where a is the measured depth and d equals the draft depth of the transducer below the water surface Index constant k is system delays originating in both transducer and echo sounder circuitry In the accompanying illustration d is equal to the depth of the seabed below the water s surface Note Many users may not be familiar with the parameter Index or kK although it is likely that they have seen the results of combining transducer draft and index constant into one draft figure If you have noticed that the measured draft or the distance from the face of the transducer to the water s surface is not the same as the draft value entered into the sounder then you have seen the result of lumping both together This phenomenon is most evident when using dual frequency transducers where both high and low elements are in the same housing Often th
17. NOD DEE 11 SOMME e r 11 Sore eo em 11 OC MENO T 11 SPP MEE idi RO iO Moti ROT mmm 11 3 36 Printer Take Up e tte EE 11 ee PINES POCO DUNO ER 11 Soe dini III ONION BEE 11 SE ASF IMS MANS EE 12 Se cile E 12 JAI PAPER 4sOslpilccm 13 3 4 2 Installing a fresh Paper Supply Poll REENEN 14 3 4 3 Loading the Paper Take Up Spool sseessiissssssseeesseeeeeeennnnnn nennen nnne nnns ness n ann nnns 14 MEME neu e EE 16 4 1 Hydrotrac Il Parameters EE 16 M EK Ciel Ia E OE OT 16 A DED RR H 16 LAE E 16 CMM ere DEE 17 SN CHEEMES c c Ns eee 18 ACE ln e E 18 mI EE c 18 w a ORT EROS 18 LAO MM Em 18 MEO MN er EE 18 Page 3 of 43 vi TELEDYNE ODOM HYDROGRAPHIC A Teledyne Technologies Company Hydrotrac II User Manual 4 1 3 8 S riall Baud Serial2 Baud BE 19 LN RC MEMENR CIO m 19 De E Kee e 19 SM NC MEE IR Bn Le MM RR UT 19 LX NUN NES E d RES 20 Da e EC ein PAS o PR RR UU UU T 20 AtA CAAT TS M P E 20 Aa e e WEE 20 4 1 4 2 Scale With REENEN 20 4 1 4 3 X Chart Gpeed eee 20 4 1 4 4 Hhaemg eee eecccccseececeeeeeeeeeeeeeeceeeeeeeaeaeeeeseeeeeeeeeee
18. Single Beam Max menu See picture below Km TELEDYNE ODOM HYDROGRAPHIC A Teledyne Technologies Company Page 37 of 43 m Hydrotrac II User Manual 1 D Ix DR Single Beam Max RAW0324 L0G File Edit View Tools Help Sali Haz Eg cl senn X FE Profle Window E BEE bieden SSOSOS S Ssi oxi Z 3 5 Fla gl e 8 AAA m Spo s gie dod Aes Delete Interpolates Soundings 4539465X 4944855 04Y Trackline DOL vs DBL 2 40 DR Spreadsheet EC l em Fill Column Swap Depth 1 2 E Export EY amp e dl d Ei SI Apply Heave Corrections to the Echogram Display 1 002 1626 RAWw 92 Depth 1 6 10 Psn GAQO e ES Administrator HYPACK LO C Data amp rou HvpRorRAcII Un FI Single Beam Max RA 9 S810 DEG e oc 4 31PM Editing the Data in the Echogram Window Below is a screen shot of some high frequency data in the Echogram window If you look closely there is a black line on top of the red trace This is the digitized value from the Hydrotrac You can move the mouse and click along the record to show exactly where the digitized values are You can click on the zoom button and then select the area you want to view better Km TELEDYNE ODOM HYDROGRAPHIC A Teledyne Technologies Company Page 38 of 43 m Hydrotrac Il User Manual Wed RUN re LEAL ALL JALL ELI IILISL ILLI I I ILI ELT JL LII den GE EE ER E E SE EE CH DIE E EE E A
19. ack Configuration menu Make sure Channel 1 under the setup menu is set to Bathy and all other channels are turned Off zu ODOM Setup Channel 1 Channel 2 Channel 3 Bathy att att Header String IS Special Annotation String LIF Cancel Testing driver After starting the Hydrotrac II highlight the Hydrotrac device in the Hypack Hardware setup and right click with the mouse select test page Dre wm TELEDYNE 0DOM HYDROGRAPHIC A Teledyne Technologies Company Hydrotrac II User Manual fa Device Test Test Window A Odom C 3 MK3 E Bile Ee a Odom Sonar Channel 1 cht 21 00 T Display 4 Initially when starting the test only the window labeled Hydrotrac will open up Click on the 1 button to display the signal from channel Click anywhere on the Odom Sonar Channel 1 window and select beam to display the actual signal Once the data is verified close the window and start Hypack survey Km TELEDYNE ODOM HYDROGRAPHIC A Teledyne Technologies Company Page 36 of 43 m Hydrotrac II User Manual VIEWING THE RAW DATA IN THE SURVEY WINDOW Once the Survey program is started the operator can select the Hydrotrac window and view the data Below is an example of what the data should look like e Survey LLL S S S l BEE Logging Line Chart Vessels Matrix Targets Tide Options Window Help EE BER ER Setti
20. c Il Parameters In the Hydrotrac parameters which control the way the echo sounder works digitizing printing or communicating to the outside world are manipulated using a system of menus and front panel mounted sealed keys The display is a four line by twenty character alpha numeric transflective LCD module The display is backlighted for nighttime viewing LED s The keys are made up of 10 embossed micro switches molded into the display panel overlay Each key is labeled with its function and provides positive tactile feedback upon actuation The four keys located directly below the display provide immediate access to the four main menus for which they are labeled DEPTH SETUP CHART CAL The UP DOWN LEFT and RIGHT arrow keys are used to navigate through the individual parameters and to change their associated values The ENTER key is used to select a parameter who s value is to be changed Pressing the HELP key provides the operator with an immediate printed explanation of the purpose and use of the selected parameter 4 1 1 Changing Parameters The method used to change any parameter value is common to all parameters in the system To follow is a description and typical example of the procedure For instance should we wish to change the internal time of day clock First press the Setup Key to access to the menu containing the Time parameter Second Select the Time parameter by moving the arrows using the UP and Down arrow keys to th
21. d The Scale End refers to the depth value at the center of the printed chart In the Manual Phasing mode Scale End is used most often to move the beginning and ending scale values to two points which force the known depth to fall between them When the Phasing parameter is in AUTO mode the Scale End value is recomputed each time the digitized depth approaches either scale limit The Scale End can be incremented by any of the displayed whole digits hundreds tens or units in meters 4 1 4 2 Scale Width Scale width printed on chart Scale End value computes listening time and repetition rate Values 10 20 40 80 meters 30 60 120 240 feet 4 1 4 3 Chart Speed This parameter is used to control the chart speed of the thermal printer In SYNC mode the Hydrotrac will advance the paper chart once per sounding period On the other setting the Hydrotrac will advance the paper chart in centimetres per min 4 1 4 4 Phasing The Phasing control determines whether or not the sounder will be allowed to automatically recompute the Scale End value to avoid losing the bottom off the chart Two selections are possible Auto and Manual In Manual the Phase does not change as the depth changes It remains fixed at the Scale End value selected However in Auto as the bottom approaches the chart limits a new Scale End is recomputed automatically and the Phase is adjusted so that the bottom is always plotted on the chart 4 1 4 5 Annotation ODOM HYDROGR
22. d be set to RS422 4 1 3 6 Time An internal real time clock is used for time and date information even when power is removed from the unit The correct time of day or reference time is entered via this parameter First Time is made the current selection by moving the brackets to the Time line and then pressing Enter Once the value for time is selected use the LEFT or RIGHT arrow keys to chose the appropriate Hour Minute or Second digit The selected digit will be noted by the presence of the blinking Block Cursor Use the UP or DOWN arrow keys to slew to a new value Pressing Enter again will cause the new value to become the current time 4 1 3 7 Date The current Date is entered in much the same manner as Time Begin by selecting the proper line and then choose the digit to be changed Use the UP or DOWN arrow keys to slew to a new value Pressing Enter again will cause the new value to become the current Date ODOM HYDROGRAPHIC A Teledyne Technologies Company Page 18 of 43 m m TELEDYNE Hydrotrac II User Manual 4 1 3 8 Serial1 Baud Serial2 Baud Set the baud rate for com 1 and com 2 from 4800 baud to 19 200 baud 4 1 3 9 TVG Curve Multiple TVG curves are programmed into unit s transceivers The 20Log Time Varied Gain curve is the generally accepted standard in single beam vertical echo sounders and the default value for the Hydrotrac Il The 20Log curve includes compensation for both spherical spreading loss and absorptio
23. e Time line and then pressing Enter Once the value for Time is selected the blinking block cursor appears behind one of the digits use the LEFT or RIGHT arrow keys to choose Hours Minutes or Seconds by moving the Cursor to the appropriate digit Using the UP or DOWN arrow keys slew in the new value If necessary move the cursor to the next digit using the LEFT and RIGHT arrow keys again and slew the correct digit into place Once the displayed Time parameter is correct press Enter again This will cause the new value to become the current time This method of entering data is common to all parameters 4 1 2 Depth Pressing the DEPTH key on the front panel results in immediate display of the digitized depth The large characters incorporate segments from all four lines of the display This is done in order to achieve the size needed for distant viewing While DEPTH is the Menu most often displayed it is not necessary to select the DEPTH menu in order for the unit to operate normally The Hydrotrac Il continues to sound digitize and display the depth in the upper right corner of the display in all of the menus except Maintenance If the Depth button is pressed twice the Hydrotrac II will display the Latitude and Longitude of the GPS position along with the depth 4 1 3 Setup Pressing the SETUP key initiates the display of the basic parameters of the unit which include the following Setup gt Blanking Units Serial1 Echotrac I O Nm
24. e draft values are very different for the two frequencies if no adjustable k parameter is incorporated The difference in k or electronic delay between a 200 kHz element and a 24 kHz array is substantial and is the reason behind the difference between the two Calculated Drafts Once the k value is determined it will not change until either the sounder or the transducer is changed The Index parameter should be adjusted to make the measured draft and the calculated draft equal Depth is computed according to the General Formula shown below d W v t k d ODOM HYDROGRAPHIC A Teledyne Technologies Company Page 22 of 43 m m TELEDYNE Hydrotrac II User Manual d depth from water s surface v average speed of sound in the water column t measured elapsed time of signal travel from transducer to seabed and back to the transducer k 2 system index constant d difference from referenced water surface to transducer draft 4 1 5 3 Velocity This parameter allows the operator to change the speed of sound variable in the depth equation Having the ability to change the speed of sound increases the accuracy of the system by allowing the sounder to adapt to changing local conditions that affect the propagation speed of sound in the water Whether derived as a result of the Bar Check method of calibration or taken directly from a velocimeter Velocity is critical to measurement accuracy 4 1 5 4 Simulator The simula
25. ea DBS Out ODOM HYDROGRAPHIC A Teledyne Technologies Company Page 16 of 43 m m TELEDYNE Hydrotrac II User Manual DESO 25 I O Heave Out Serial2 OFF Heave IN Remote Disp Time 15 32 15 Date 10 20 97 Serial1 Baud 19200 9600 4800 Serial2 Baud 19200 9600 4800 TVG Curve 10 20 40 Log Frequency 24 28 33 38 40 100 120 200 210 340 Pulse Length Short Medium Long 4 1 3 1 Blanking A Blanking feature is used to mask the transmit pulse transducer ringing or other unwanted acoustic returns in the upper water column such as boat wakes from the digitizer It is applied when these acoustic events could be mistaken for returns from the seabed or when the operator needs to force the sounder to look below an interference layer The value for Blanking is entered as a distance from the water surface and is indicated on the chart by a solid black line printed at the input depth Blanking is one of the Key Parameters printed at sign on and each time the parameter is changed Note Alarm activated when depth is less than Blanking Blanking set at 4 5 Figure 3 3 Blanking Feature ODOM HYDROGRAPHIC A Teledyne Technologies Company Page 17 of 43 m m TELEDYNE Hydrotrac II User Manual 4 1 3 2 Units Sets the operating units of the Hydrotrac Il When units are set to meters the Hydrotrac will have centimeter resolution when set to feet will have 0 1 foot resolution 4 1 3 3 Range As the name i
26. eesseaeeeeseaeeeeeeaeeeesaaeeesseaeeeseaeeeessaneeessaneeeeesseneeseas 20 4 1 4 5 AMMOtAtTION 0 0 0 ee ccc eccccceneecceeeeccaueecsaceceeeeceaeessueeecaaeeesaaeeseaseeesaeeessaeeessaeeesaueesaueessueeeesaueeesaneeess 20 4 1 4 6 Print barameierg cece cee cccceeeeceeeeeeeecesaeeeeceeeeeseeeeeseeessaeeeeseeeeseaeeseaeeeseaeeeseeeesseeesseeeeesaeeeess 21 GEN n E 21 BAO e WC OM saa mRTT sinc tat 22 UNE CE ce ue E 22 e SC VOOY EE 23 CNN MER Pero 23 GN E ANUP MENU ene ee iiem MEM dM ee 23 41 61 Usg c rrent SSI E 23 4 1 6 2 Use o UR CUD EE 23 4 1 6 3 Maintenance Menu 23 e P eigene M u 24 4 2 1 Serial Output Strings Serial 2 ceeeeeeceeeeeeeeeeeceeeeeeseeeeseeeeeeeesseeeseeeeeeeseeeaseeeeeeessseeasseeseeeees 24 72x P Enor 10 Mt 24 We WNC c 25 LUN EC DE OZO c ee 25 2d NMEA S MANG DBS ecu meto acsi E ee ee eee 26 oa ee a ET a NEE 26 422 S nalDatalnp t and Ano OE E 26 2 e Event IAS CC NAK mc 27 VS ANNO ON MPO DO RE 27 AaS Ethene OUMU ERR EE 27 9 CauD INON NR E AEEA OAE RAAE E AE AAEE 28 5 1 BAR CHECK CAUIBRATION 28 Appendix A POWER Cable Conn DC Only siiecncnnssinciessieccccinnisscvcnenssasenacsvencdensnswanessvenseanssduseessieecnaenidvesssscewsnonnsaes 30 Appendix B Motion Reference Unit output string
27. epth That is the measured depth of the Check Bar at its shallowest calibration depth 2 Deploy the Check Bar below the transducer to the first calibration depth for example 2 meters or 10 ft Confirm that a return is printed on the chart between the two Bar Depth lines and that the digitizer is locked to the Bar Select the Draft parameter bracket it and press ENTER Slew the Draft value to the depth of the transducer from the water surface 3 Slew the Index value until the Calibrate Depth equals the depth of the Check Bar determined from the suspension chain 4 Lower the Check Bar to the deepest calibration depth for example 15 meters 40 ft and adjust the Bar Depth value to equal the depth of the Check Bar 5 Select Velocity Slew the Velocity up or down to the point at which the Calibrate Depth equals the measured depth of the Check Bar 6 Repeat Steps 4 to 5 until the Calibrate Depth equal the Check Bar depth at the shallow and deep checks 7 MPORTANT Agjust Index only when the BAR is at the shallowest depth where velocity has minimum effect and VELOCITY only when the BAR is lowered to greater depths where velocity becomes predominant js AS TELEDYNE pu ODOM HYDROGRAPHIC A Teledyne Technologies Company Hydrotrac II User Manual Appendix A POWER Cable Conn DC only P N MS3114E12 3P Pin Description A ee 12 or 24 VDC B See ee No Connection C Return Power Connector Oc AO
28. ernal GPS settings 3 2 4 LAN The LAN connection is the Ethernet port for the Hydrotrac Il Connector PN Pin Number oignal Description 10BASE T 1 TX 2 TX 3 RX 6 RX 3 2 5 Transducer TX1 is the main transducer connection port for the Hydrotrac II Connector PN Pin Number oignal Description MS3116J14 5P Shield High Frequency Low Frequency Low Frequency High Frequency m oou 3 2 6 12 24 VDC The DC connector is used to supply DC input power The range of the DC power is 18 30 VDC Connector PN Pin Number oignal Description MS3116J12 3S A 24 Volt DC C GND 3 2 7 FUSE This 5 Amp fuse protects against the Hydrotrac Il drawing too much current from and external power supply page tres 29 TELEDYNE 0DOM HYDROGRAPHIC A Teledyne Technologies Company Hydrotrac II User Manual 3 3 Hydrotrac ll Recorder Buttons and Knobs 3 3 1 Power Transmit Power Knob This knob controls the power to the Hydrotrac Il and controls the transmit power to the Hydrotrac Il transmitter When the knob is turned from Off to Stby the LCD will prompt the operator to press a key Once the key has been pressed the chart will print a initialization message and the LCD will prompt the operator to select current setting default settings or the maintenance menu Selecting the current menu will load the last used parameters into the Hydrotrac Il Select the default setting to bring the Hydrotrac II to the original parameter settings This is
29. figuration 2 3 Remote Display Configuration 1 2 Standard RS232 Configuration 2 3 Remote Display Configuration Open J O Open 1 2 Remote Display Configuration ODOM HYDROGRAPHIC A Teledyne Technologies Company Page 32 of 43 m m TELEDYNE Hydrotrac II User Manual Appendix D Upgrading Hydrotrac Il FPGA and Firmware The Hydrotrac ll is upgradable through a SD card which is located inside the Hydrotrac II next to the connector side of the case Remove the thumb screw securing the red cover over the SD card socket There should be a blank SD card in the socket TOH will send a file with a sw flash and hw flash extention Copy the upgraded files received to the SD card A SD card adaptor might be necessary to transfer the files from the computer to the SD card Most laptop computers will have a SD card slot to plug the card Plug the SD card into the Hydrotrac SD card slot and power up the Hydrotrac Ill The LCD screen on the Hydrotrac will stay blank until the upgrade is complete The upgrade might take up to 30 seconds depending on how much is being upgraded Once the upgrade is complete the Hydrotrac Il LCD menu will start up normally To complete the upgrade delete the files on the SD card and replace the empty card in the socket Make sure to put back the cover on the socket Leaving a SD card with the upgraded firmware in the Hydrotrac II to delay starting up as it will always load the firmware from the S
30. has the advantage of correcting for velocity variations draft variations and system index errors all of the constants in the above formula When calibrating using the bar check method acoustic returns are generated by a suspended target which is lowered to a known depth between the transducer and the bottom In this circumstance it becomes desirable to have a method whereby the digitizer will see only the Bar the target and be prevented from locking on to actual bottom returns Since the Hydrotrac employs a dynamic tracking gate or window through which the digitizer looks for echoes from the seabed manual control of the position and width of the gate is necessary in order to force it to remain fixed around the Bar This is achieved by using the Bar Depth function 5 1 BAR CHECK CALIBRATION As indicated in paragraphs 3 23 through 3 24 the Calibrate Menu brings all of the parameters necessary to calibrate the sounder together in one display group By pressing the Cal key the operator is presented with the following menu Calibrate gt Bar Depth Draft V Index Velocity NOTE HEAVE IN must be OFF and the unit s power and sensitivity adjusted to levels which provide reliable depth information from the project depth and bottom material ODOM HYDROGRAPHIC A Teledyne Technologies Company Page 28 of 43 m m TELEDYNE Hydrotrac II User Manual 1 With Bar Depth parameter bracketed press the Enter key Enter the first calibration d
31. he top and bottom edges of the paper with the nk ends of the core Wind the extra paper up tightly Hes onto the core Note As shipped from the factory paper is re wound on the spent core in the same direction as it is fed off the paper supply roll This means that the printed image is wound on the outside surface of the recorded roll Please note Best results are derived when a new core is installed on the Take up spool with each new roll of paper Repeated use of the same Take up core will result in the unit s failing to re wind paper reliably Figure 3 4 Made in U S A Printhead Release Lever Km TELEDYNE ODOM HYDROGRAPHIC A Teledyne Technologies Company Page 14 of 43 m Hydrotrac II User Manual Step 3 Employing the same method used in loading the supply roll install the core with paper attached in the Take up Spool assembly Step 4 Close the paper access panel by first releasing the support arm closing the panel and then re tightening the two captive screws Press the FEED switch upper right and observe that paper moves smoothly past the printhead across the paper access panel and is wound onto the take up core At this point the recorder should be ready for normal operation Ve ON e Weg v 8 PAPER TRANSPORT DIAGRAM 1 Ie 29 TELEDYNE 0DOM HYDROGRAPHIC A Teledyne Technologies Company Hydrotrac II User Manual 4 OPERATION 4 1 Hydrotra
32. his is useful should the operator wish to write information on the chart paper on a blank section of paper This button is also useful when changing paper 3 3 8 Printer Mark button When the Mark button pressed the Hydrotrac II printer will print a line across the chart along with date time and depth along that line ODOM HYDROGRAPHIC A Teledyne Technologies Company page t Ole 29 TELEDYNE Hydrotrac II User Manual 3 3 9 Printer Mechanism The high resolution thin film thermal print head 216mm 8 5 wide 8 dots per mm 203 in is capable of printing up to 8 gray shades on high quality thermal film Due to its thin film construction it is very energy efficient and produces little excess heat The paper delivery and re winding mechanisms contain few moving parts and are built to stand up to the rigors of marine use 3 4 Chart Paper General Paper Description The Hydrotrac uses either thermal film or high quality thermal paper as the recording medium for the analog chart The rolls are 216mm 8 5 wide and contain approximately 50m 170 of paper or film The inside diameter of the core is 12 7mm 12 the outside diameter of the roll is approximately 64mm 2 5 Paper loading is a multi step process but it need not be a difficult one if care is taken in assuring that each step is accomplished properly As in almost any thermal recorder including FAX machines paper is sourced from a supply roll where it passes between a
33. lignment posts and over a rubber roller fig 3 1 which moves the paper past the thermal printhead Attached to the printhead is a mechanical pressure lever which when moved to the left lifts the head away from the roller to assist in the initial loading In the Hydrotrac printed chart paper is taken up on an empty core installed at the far left of the chart panel A precision stepper motor attached to the printhead assembly drive roller pulls paper off the supply roll and moves it past the printhead The motor that drives the take up spool does not advance the paper as is the case in many echo sounders Since paper drive and take up are driven by separate mechanisms previously printed chart can be pulled from the take up assembly for review and simply re wound without disturbing the recording process Captive Fasteners Figure 3 1 Paper Figure 3 2 Supply amp Take Up Rolls Panel Release Page 12 of 43 2j TELEDYNE ODOM HYDROGRAPHIC A Teledyne Technologies Company Hydrotrac II User Manual 3 4 1 PAPER LOADING Step 1 In order to gain access to the paper supply and re wind areas open the chart panel by unscrewing the two black captive fasteners at the extreme left of the front panel Figure 3 2 Open the panel by pulling the handle at the left side of the front panel until the support arm engages a stop Step 2 If paper has been previously installed in the unit place the power switch in the STBY position and press the CHART F
34. mation Enabled chart test on maintenance menu Enabled Serial 1 and Serial 2 to maintenance menu Printer Help menu implemented Bar depth width adjusted from 2m to 1m and 6ft to 3ft Added Simulator settings 0 11 and heave motion sensor Changed Com and Com menu to Serial1 and Serial2 Remapping of printer intensity pgs TELEDYNE ODOM HYDROGRAPHIC A Teledyne Technologies Company Hydrotrac II User Manual E e Keypad decoder changed to VHDL generated hardware Transceiver hardware Version Description e Initial version Paden Ol 29 TELEDYNE 0DOM HYDROGRAPHIC A Teledyne Technologies Company
35. n losses The 40Log curve is the standard for use with the Side Scan option The 10Log scale is intended for use in shallow water 4 1 3 10 Frequency Sets the operating frequency of the Hydrotrac Il This setting should match the frequency used with the Hydrotrac Il The available frequencies are 24 kHz 28 kHz 33 kHz 38 kHz 40 kHz 100 kHz 120 kHz 200 kHz 210 kHz 340 kHz When using 24kHz 40kHz the low frequency pin connections should be used and when using 100 kHz and above the high frequency pin connections 4 1 3 11 Pulse Length Sets the pulse length of the transmit signal to the transmitter A rule of thumb is in shallow water use as few cycles as you can get by with while in deep water use as many as it takes Taken together with the Tx Power control setting pulse width directly influences the total amount of acoustic energy generated Frequency kHz Short Pulse Length usec Medium Length usec Large Length usec 24 250 250 1000 ODOM HYDROGRAPHIC A Teledyne Technologies Company Page 19 of 43 m m TELEDYNE Hydrotrac II User Manual 4 1 3 12 Alarm When the alarm is turned on and the echo sounder does not detect a valid bottom the Hydrotrac will turn on its sonic alarm 4 1 3 13 Minimum Depth The Hydrotrac will turn on the sonic alarm when the depth detected goes below the value entered for this parameter 4 1 4 Chart Chart Scale End Scale Width Phasing 4 1 4 1 Scale En
36. ndicates the Range parameter limits the maximum range of the digitizer For example should a Range value of 100m be input as a value then the unit s digitizer will never look deeper than 100m for a valid bottom return This speeds up the digitizer since it no longer has to expand the tracking gate to include depths greater than 100m The feature is often used in conditions where the time needed to reacquire the bottom after a loss of signal must be minimized However care should be taken not to set the Range at a value which is too shallow since it will also inhibit tracking of valid returns deeper than the Range value as well 4 1 3 4 Serialt This is the primary serial port interface for the Hydrotrac Il and should be used to receive depth information The Hydrotrac Il outputs the following strings Echotrac UO Deso25 NMEA DBS Heave ET Mark1l O When any of the first three formats are output and the Hydrotrac ll is receiving data from a motion sensor these strings will reflect a heave corrected depth When the Heave string is selected and the Hydrotrac ll is receiving data from a motion sensor the depth and heave values will be uncorrected Details of the formatting of each string can be found under a different section of this manual 4 1 3 5 Serial2 This port is used by the Hydrotrac to receive data from a motion sensor or output data to a TOH remote display When the TOH remote display is selected the Hydrotrac II serial port shoul
37. ngs Output View Matrix Font Configure Style Cl 1 gui ne East 455442 20 Ni Range None amp nfl North 4942411 11 j pu L ER vt ot VN 3315 Vi SN SN S Utes Logging JL File Name 002_1602 RAW Event 70 Line Azimuth 342 14 0085 5 VOX ITE 16 03 05 24 5 Speedikt 14 71 PS S Ms LL s MES 2978 74 bis 9 8 i S NN NS 6 40 cy A tet A c n NEM 0 00 GREEN NEEN 2 vw E deng cht 21 00 D 25e 24 37 Display C NJ Ld d 32 e CB mm f do CAHYPACK 201 1 projects Halifax Raw 002_1602 RAW jmEETITTIEEEEESN linis A i i y z 2 wi S Is 5 24 V 2 Lil qa 454832 01 4342073 4 44d37 8393 N 063d34 1210 Ww 44d37 8393 N 063d34 1210 Ww i Contract Ctri xpand tCtri vy ont oaundg ext LR Ds z WW 2000 200 20 j 0 2 200 2000 S d start Oh e isa Administrator HYP O C Data i TOH_HYDROTRACII a Odom Sonar Chan f Survey BS LS ec 4 03PM VIEWING AND EDITING THE ECHOTRAC DATA IN THE SINGLE BEAM EDITOR 1 In the Hypack Max menu select Processing gt Single Beam Editor 2 In the Single Beam Editor Max menu select Open and the log file name you created in the survey program 3 Once you have loaded the lines go to View gt Other windows gt Echogram in the Single Beam Max window The echogram data should show up on the screen 4 You can select whether the data in the echogram window is the high frequency data low frequency data or both combined To do this select View gt Options in the
38. pany Page 24 of 43 m m TELEDYNE Hydrotrac II User Manual 4 2 1 2 Heave Note that upon selection of Heave IN on Comm 2 and Echotrac I O on Com 1 the depth output from Comm 1 is automatically corrected for the received Heave value Selection of Heave Out on Comm 1 see Section 3 18 results in an output string containing the raw uncorrected depth and the most appropriate heave value Note this string is identical to the Echotrac DBT string with one channel selected and Heave enabled SSC Space F indicates Fix Mark E decimeter resolution e centimeter T decimeter resolution t centimeter See Normally Space E Indicates Error 6 7 11 INN E Frequency Indicator Fixed H 4 2 1 3 DESO 25 The following description applies when DESO25 I O is selected as the preferred output string under Comm 1 Char Description 1 Always D Always A pru 1 3 Depth Data MSD Depth E 5 JDepthDaia 6 jDephDaa 8 DecmalPlace 9 DephData Space meters E Feet units m meters t feet units Carriage Return 14 Line Feed ragac gran 29 TELEDYNE 0DOM HYDROGRAPHIC A Teledyne Technologies Company Hydrotrac II User Manual 4 2 1 4 NMEA String DBS Included in the choices of serial output formats is the DBS string This string is included in order to provide a standard global format It is widely accep
39. radiating face remains as nearly parallel to the water surface as possible while the vessel is underway 3 2 Hydrotrac Il Cable Connections 3 2 1 Serial 1 Serial 1 is the main communication port to and from the Hydrotrac II Use this port to receive depth values send annotation information and change parameters Connector PN Pin Number Signal Description DB9 Female 2 Transmitted data from Hydrotrac II 3 Received data to Hydrotrac Il 5 GND 3 2 2 Serial 2 Serial 2 is used for connecting a remote display or motion sensor to the Echotrac MKIII Serial 2 is the only port that can be configured as either RS232 or RS422 Connector PN Pin Number oignal Description DB9 Female 2 Transmitted data from Hydrotrac II page nea we TELEDYNE ODOM HYDROGRAPHIC A Teledyne Technologies Company Hydrotrac II User Manual 3 Received data to Hydrotrac Il 5 GND 3 2 3 GPS I O The Hydrotrac Il has a built in GPS that main functions is to give the Hydrotrac II the UTC time which is used to time stamp the soundings The GPS I O port also outputs the NMEA GGA string at 9 600 baud The internal GPS is not a survey grade GPS Connector PN Pin Number Signal Description DB9 Female 2 Transmitted data from Hydrotrac II 3 Received data to Hydrotrac Il 5 GND Note For external GPS use see Appendix C Internal Jumper Configuration The use of an external GPS device may require a null modem adaptor Keep port and string configurations the same as the int
40. rline and the pipe then fixed to a sturdy support on the vessel Lines generally are attached at the mounting pipe and tied off fore and aft in order to maintain a stable horizontal head attitude Care vage uds we TELEDYNE 0DOM HYDROGRAPHIC A Teledyne Technologies Company Hydrotrac II User Manual should be taken to assure adequate protection for the transducer cable particularly at the point where the cable leaves the transducer body The position of the mounting assembly relative to other peripherals is critical for accurate data collection Particular care should be taken to assure that the transducer radiating face remains as parallel to the water surface as much as possible while the vessel is moving 3 1 5 HULL MOUNT Installation Transducers which are streamlined and can be mounted directly to the outside of the hull or transducers which are fitted into a streamlined fairings that are welded or otherwise attached to the outside of the hull often make for excellent installations The advantage here is that the radiating face of the transducer is generally below the bubble stream in clear water and no acoustic window or transducer tank is involved to create extra reverberation ringing This type of installation requires a stuffing tube to be installed in the hull in order to allow the transducer cable to penetrate the hull In_all of the above installations particular care should be taken to assure that the transducers
41. s printed o When Annotation is off and Mark button is pressed only fix line is printed Added leading 0 to Blanking Draft and Index Parameters Serial1 and Serial2 port test now outputs data through the port and displays received data on the LCD screen Fixed fix mark command through the serial port to print fix line Added display of GPS Lat and Long to the display when depth key is pressed twice Added GPS Lat and Long to the annotation string when mark is pressed and annotation is enabled Fixed bug that was causing stored parameters to get reset to default under certain Added heave correction to Serial 2 input conditions Reduced minimum gate size to 0 5 meter and 2 ft Added remote display output to Serial 2 input 0 08 Added Minimum depth alarm Added Manual Chart Speed Added Print Parameters Added printout of key parameters when they change Added Sonic Alarm Changed Parameter storage from Flash to battery backup on RTC Added more help context in printouts Changed Ethernet packet size Fixed bug where scale end could be set less than scale width Changed auto scale adjustment so scale change happens before depth reaching end of scale value Fixed serial annotation so that it would work with GLDD driver Fixed serial annotation so that it would recognize Carriage Returns that advance the chart Change print head burn mapping Fixed serial annotation to buffer multiple lines of annotation 009 Added data and time to annotation infor
42. ted and therefore more easily interfaced to software suites written for applications outside of the Hydrographic community The NMEA String as transmitted by the Hydrotrac has the following parameters Baud Rate 9600 Stop Bit 1 Parity None Data Bits 8 Terminator Cr Lf KS eS a Sign Next Field Depth in feet may be no chars Next Char Next Char f for feet may be no chars Next Char Next Field Depth in Meters may be no chars Next Char Next Char M for meters may be no chars Next Char Next Field Depth in fathoms may be no chars Next Char Next Char F for fathoms may be no chars Next Char hh numeric checksum char o lt CR gt lt LF gt 4 2 1 5 ET Markt I O This output format is exactly like the Echotrac I O format The only difference between the ET Mark1 I O format and the Echotrac I O selection is in how the annotation control is processed When ET Mark1 I O is selected the Hydrotrac Il will send a Hex 02 after it has received the Hex 1 indicating it is ready to receive the annotation characters The Hydrotrac II will also reply with a Hex 02 when it has received a CR 4 2 2 Serial Data Input and Annotation Page oles 29 TELEDYNE 0DOM HYDROGRAPHIC A Teledyne Technologies Company Hydrotrac II User Manual Information which in the past had to be handwritten on the chart record can now be transmitted to the Echotrac via the RS232 input line Up
43. to 80 ASCII characters per line can be printed on the chart 4 2 2 1 Event Line Fix Mark A single line across the chart is produced by sending a HEX 06 ASCII ACK or Control F An event line will be printed across the chart at the end of the current sounding cycle Event lines do not delay or interfere with normal operation of the unit Event Annotation When required the event line can be annotated with up to 80 characters of information This is achieved by following the HEX 06 Fix Mark with HEX 01 ASCII SOH or Control A As in the earlier models of the Echotrac the sounder will respond to the Control A with a HEX 02 ASCII STX or Control B However it is no longer necessary to wait for the Control B before sending annotation data Data may be sent to the Echotrac immediately after transmission of the Control A The Control B was retained in order to remain downwardly compatible 4 2 3 Ethernet Output The Hydrotrac Il has an Ethernet port that outputs the time series of the acoustic data sampled by the analog to digital converter Each packet from the Hydrotrac Il contains 1600 samples if set to meters or 1590 samples if set to feet of 8 bit data The data output from the Hydrotrac Ill is UDP and is output on UDP port 1600 ODOM HYDROGRAPHIC A Teledyne Technologies Company Page 27 of 43 m m TELEDYNE Hydrotrac II User Manual 5 CALIBRATION The principle of echo sounding is based on
44. tor is a way of testing the Hydrotrac s interface with the data acquisition computer and also a way for the surveyor to familiarize themselves with the parameter of the Hydrotrac To use the Simulator turn this parameter on and then use the sensitivity knob to adjust the depth Make sure to turn the simulator off before starting a survey 4 1 6 Start up Menu When the Hydrotrac II is first powered up the following start up screen shows up in the LCD System Startup Use current setup Use default setup Maintenance This menu allows the operator to choose which parameters are loaded into the Hydrotrac or enter the maintenance menu The startup menu is also available when the Hydrotrac Il power knob is set to Standby and the operator presses the left arrow key 4 1 6 1 Use current setup When current setup is selected the Hydrotrac II will load the last values used by the operator for all the parameters 4 1 6 2 Use default setup When default setup is used the Hydrotrac II will load the default parameter list This is useful to load a know set of parameters if the Hydrotrac II is performing unpredictably 4 1 6 3 Maintenance Menu The maintenance menu is used to test the serial ports of print a grey shade test of the printer When Serial 1 or Page es pre we TELEDYNE 0DOM HYDROGRAPHIC A Teledyne Technologies Company Hydrotrac II User Manual Serial 2 is selected the Hydrotrac II will output either the string Serial 1 or
45. uency Agile Operator selectable through menu 24 28 33 40 100 120 200 210 and 340 kHz Output Power 600 watts Power Requirement 11 28 V DC Resolution 0 1 ft 0 01m Accuracy e 200 kHz 1cm 0 1 of depth value corrected for sound velocity e 33 kHz 10cm 0 1 of depth value corrected for sound velocity Maximum Depth Range 600m or 1800 ft Environmental Operating Conditions 0 50 C Communication e 2 RS232 ports or 1 RS232 and 1 RS422 Ethernet port 8 bit data 1600 samples ping Printer e High resolution 8 dot mm 203 dpi 16 gray shades e 216mm 8 5 in wide thermal paper External ON OFF switch Paper advance control Dimensions e 968 mm 14 5 in H x 419 mm 16 5 in W x 203 mm 8 in D Weight 22 5 Ibs 10 2 kg Display Panel Layout 4 Line x 20 Character display e OFF STBY LOW MED HI Power Settings e Chart ON OFF with LED inside Chart Advance e Sensitivity Chart Feed e Separate Panel Overlays for Display and Chart controls Keypad arrow keys Power Gain Sensor UO e GPS Annotates chart Embeds position in Ethernet packet e PPS Embeds UTC time in output string e MRU Heave corrects data Outputs MRU data in Ethernet packet e Remote Display HS 422 interface Internal GPS with WAAS differential corrections and PPS reference signal 16 Channel L1 1575 42 MHz GPS receiver e SBAS WAAS and EGNOS supported Position Accuracy 0 63 meters CEP 50 24hr static 1 31 meters 95
46. work cable is required from the Hydrotrac II and the network hub SETTING UP THE HYPACK DRIVER FOR NORMAL SURVEYING 1 In the Hypack Max menu select Preparation gt Hardware gt Hypack Hardware 2 In the Edit menu select Insert Device 3 Scroll down the list and select Odom CV3 MK3 4 Give the driver a name like Hydrotrac 5 Select Connect and then Network Port 6 Select UDP for Protocol Client for Role and under Port put 1600 For Write Port put 1601 This is what the Hypack Hardware setup should look like at this point i a 29 TELEDYNE 0DOM HYDROGRAPHIC A Teledyne Technologies Company Hydrotrac II User Manual SS HYPACK Hardware C HYPACK 201 1 projects Halifax survey32 ini EDU E x File Edit Options Help Add Device Add Mobile Device Hypack Configuration Functions Flier Boat Tenth Offset E Simulation G ines ID vas 0 00 es p 1 Odom C3 MES Forward 0 00 m Roll 10 00 deg Vertical o UN m Pitch 0 00 deg Vertical Postive Downward Latency fn DD SEC Options CI Use for matrix update Paper Annotation Record device specific messages Connect Network Fort Network Parameter Setup Test Protocol UDF ze Hole Client Mobile Assignmen Host hann Installed an ox ost 127 0 0 1 Port B00 Write Part Eu Driver Doan 24 Next click on the Setup button but make sure the Hydrotrac device is highlighted under the Hyp
47. y echo sounder An improperly mounted transducer will result in poor system operation and unacceptable data quality 3 1 1 General Rules In the case of temporary installations the transducer may be mounted over the side In permanent installations and class 1 surveys hull mounts are generally preferred and often required In either case transducers should be mounted at least 0 3 meters below the waterline In cases where over the side mounts are exposed to wave action ensure that the transducer is mounted sufficiently deep so that it does not break the surface during vessel roll motions A preferred mounting location is near the keel of the vessel in an area where the planning attitude of the hull at speed and the pitch and roll angles of the vessel in seas have the least effect The transducer should be mounted far enough aft of the bow so that bubbles generated by the bow wave will not pass over the face of the unit Transducers should be located away from sources of turbulence and cavitation bubbles such as propellers bow thrusters and hull protrusions Considerations should also be given to sources of mechanical noise generated within the vessel engines props pumps generators etc In some severe cases of mechanically coupled noise vibration isolating mounts may be required to decouple the transducer from the hull Transducer mounting can be accomplished in many different ways To follow is a list of common configurations 3 1
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