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USER`S MANUAL

1. Figure 4 Analog test points and controls Arr A AGI A 17 A dgelech Aven ACI Figure 5 Timing and control A 18 Arr A AGI Edge A Tech Aaen d msn ic asas am x co e LJ EI g 8 A e a see m ES I eme m E BER EBE d wn A v
2. sss mene A 9 AS Receiver Calibratioh coe RERO IH SOY a es IRRE usa A 10 3850 2 jumper E A 10 A 5 2 1 Parallel Programmins Jumpers ac A 10 A 5 2 2 Serial Programming Jumpers mie A 11 ASO AKOUDIE KOOGUNE Z l tida ie aaa kozi aois E A 11 EE Programming Jumper PIS Ee ei A 12 AG6 2 TOWwfish Interface EE A 12 LODZ PROV ATIC WEE EE A 12 A 63 SE UD aent A 12 A 6 3 2 Commands from Sonar Process r sese eee ee eee A 13 Edgelech APPENDIA A AGI List of Tables and Figures Table 1 Programming Jumper Settings edia Ad all aa A 14 Figure 1 Board Input Output COBIEPIOES suicidio A 15 Figure 2 Parallel Dinner e in se A 16 Figure 3 DSP Serial TI dania ete a oe bet Dude ER A 16 Figure 4 Analog test points and ET A 17 Figure 5 Timing and control siii ioe Goan Re ll A 18 Figure 6 AD and parallel output ae eor tete See eebe Papa ede er mes A 19 Figure 7 High speed serial output tetti ati ed A 20 ii A EH APPENDIX A ACIINTERFACE A 1 Introduction The Analog Control Interface ACI circuit board is an interface between a topside sonar processor and an EdgeTech Model 272 TD analog towfish This board provides the analog to digital conversion plus individual channel analog gain control of the towfish signal Both parallel and high speed serial data are simultaneously available however only one type is generally used depending on the selected proc
3. Select Single drive then click Next Click Browse while the recovery environment disk is still inside the CD DVD drive When the Open dialog box appears click Cancel Eject the recovery environment disk and insert Disk 1 of the DVD media containing the backup image While the DVD media is being read the mouse cursor will become animated Wait for about a minute until all mouse animation has fully stopped before proceeding Note In the browse action that follows if the browse steps are not executed in exactly the correct sequence PQRE might go back to a previous dialog window and ask for re insertion of the recovery environment disk If this happens all the steps following the successful boot must be repeated C 8 A D Edgelech Arr 6 B CIMP RESTOCE Browse to locate and select the DVD drive usually the D drive then from the DVD media select the backup image named C Drive v2i and click Open Restore Drive Wizard Backup image to Restore You can specify the backup image to use for the restore Restore from Backup file to restore Local file D C_Drive v2i CO Network file When the backup image named C Drive v2i is properly selected click Next This next window shows a list of all drives partitions that are selectable as Target Drives for the EdgeTech computer system backup image From this list of drives fi
4. Stbd side scan MSB LSB B30 B31 Channel ID 01 Stbd 100 kHz i zs Stbd 500 kHz B32 sienio Toggles each sonar ping A 7 A EH Bits B16 and B32 toggle between high and low states at the start of each sonar line and remain in their state for the duration of the line These bits can be used to indicate the start of a line for both real time and post processing They may be also used to group samples within a line A 3 3 4 OPERATING MODES Data transfer occurs at the XCLK rate XCLK can be setup to use either the external host processor clock or an onboard jumper selectable clock An onboard jumper establishes whether the output data transfer is continuous or controlled by a handshake signal from the host processor A 3 3 4 1 Handshake Mode Data is continuously available for transfer from the serial port at a 48 kHz 32 bit data word rate The NEW LINE signal notifies the host processor when a new side scan transmission has started A 32 bit serial buffer provides temporary storage for the previous data sample When the host processor is ready to accept a data sample it asserts the SEND DATA signal Then when a sample is ready for transfer the ACI asserts the SYNC OUT signal notifying the host processor that data transfer will start at the next rising XCLK signal and continue until the buffer empties or SEND DATA is de asserted The host processor must transfer the entire sample within the 48 kHz data word rate to pr
5. Edgelech 2 4 Model 4100 Sonar Processor Installation n cC ge z gt z o m Figure 2 3 4100 Rear Panel 2 5 Model 4100 Gonar Processor ma Edgelech Installation brede ryty This page intentionally left blank ma Edgelech Model 4100 Sonar Processor Ser LLC Operation 3 OPERATION 3 1 GENERAL The operating platform is a single board Pentium processor operating under Microsoft Windows The Analog Control Interface card ACI interfaces the analog side scan data from the 272 TD towfish to the processing electronics It filters amplifies and digitizes both towfish channels Both buffered analog and digitized data are available for processing In addition the ACI board converts serial com mand messages from the processor to control tow fish operation Refer to the Appendix for informa tion pertaining to the ACI board The Netlink and NetBurner boards transfer the parallel formatted data onto the computer bus for real time video processing and data logging Other installed cards provide standard interfaces to the normal computer input output devices such as the monitor and archive devices An internal high voltage power unit supplies the towfish operating voltage Port and starboard side scan data is formatted in the processor to produce the typical center out water fall display plus other display forms and enhancements Clicking on either function icons or screen menus with the
6. Back Up Drive Restore Files and Folders Restore les or Folders Restore files and folders from a backup image Copy Drive 9 Norton PartitionMagic Restore a Drive Restore a drive fom a backup image Restore Drive or upgrade your hard drive re Copy One Drive to Another Copy the contents of your drive directly to another drive This 7 feature is useful when upgrading to a larger hard drive Click the Back Up Drives backup option In the Drive Backup Wizard welcome screen that follows click Next C 2 A D Edgelech Arr 6 B CIMP RESTOCE 1 3 Selecting the Drive to Backup Drive Backup Wizard Drives to Back Up E Select the drives to include in the backup Select a drive or press Ctr and select multiple drives Drive Size Used Last Backup C 38146 MB 21954 MB 23 021 420 544 bytes 21 4 GB 16 978 567 168 bytes 15 8 GB 39 999 987 712 bytes 37 3 GB CN Select the C Drive to back up Click Next Note Actual drive names and sizes might differ from those shown above Note The C drive Used size parameter is a useful estimate of the storage media size required to contain the backup image The actual Used size might differ from the one shown above C 3 A D Edgelech Arr 6 B CIMP RESTOCE 1 4 Selecting the Backup Location Drive Backup Wizard Backup Location You can specify where created backup files will be s
7. Connector pin assignments are Pin No Signal 2 Status Information 3 Towfish Commands 5 Signal Return Model 4100 Gonar Processor ma Edgelech Operation br ere uc VIDEO Standard 15 pin VGA monitor connector located on the video card 272 T TD TOWFISH Female MS connector to attach the towcable 3 8 2 Internal Device Connections Parallel Data Ribbon connection that transfers sonar data between the ACI board and the Netlink Board 3 9 FUSES A 1 32 amp tow fish fuse is located on the rear panel near the 272 T TD TOWFISH connector This fuse is in series with the towfish high voltage line It is used to protect the supply in the event of high cable leakage and disable the high voltage on the towfish connector during service and troubleshoot ing Other than the towfish fuse there are no readily accessible fuses or circuit breakers There is a hard wired fuse within the computer power supply and an input voltage fuse on the high voltage power sup ply board 3 10 VIDEO DRIVERS AND SAMPLING RESOLUTION When operating in Windows the video software drivers must be set to the appropriate display resolu tion and type If not the displayed image will be either unreadable or out of proportion The factory setting is 1024x768 resolution 256 colors If a lower resolution monitor is used the display will be either blank or out of sync A high resolution monitor will work with a low resolution setting but de tai
8. either port and starboard 100 KHz or port and starboard 500 kHz For every sonar sample port and starboard data are output in sequence Either the byte location from start of transmission or the built in ID bits may be used to identify the particular sample Data transfer may be setup for either DMA control from the external host or continuous transfer An internal FIFO allows for asynchronous data transfer between the ACI and host A 3 2 1 PORT SPECIFICATIONS No of Channels 2 Port amp Starboard 100 kHz or 500 kHz No of Data Bits 16 per sample per channel Data Resolution 12 bits Data Sample Rate 25 kHz per channel Data Throughput 50 kHz Output FIFO 512 bytes Output Drive 10 LS TTL pitlane CMOS 74HC Connector 2x20 pin header internal DB 37F external A 3 2 2 SIGNAL IDENTIFICATION Not every signal associated with the parallel port is used by all sonar processors Refer to Figures for input output pin numbers and for timing information On board jumpers select the control signal polarity The default settings are shown D15 DO Data output signals D15 D4 Side scan data MSB LSB DI dones Not used always a zero DAD 3 Channel ID 00 Port 100 kHz 01 Stbd 100 kHz 10 Port 500 kHz 11 Stbd 500 kHz DO uisu Toggles each sonar ping IRQ User selectable positive or negative going output pulse approximately 35 usec wide that indic
9. 3 11 ACQUIRING DATA ye zza nenn e a e 3 4 3 12 DATA RECORDING AND PLAYBACYK reset sese eite nnne sees eas 3 4 Sal SHARD COPY NER 3 5 S NAVIGATION EE 3 5 3 14 T NMEA 0183 Data F rmat sau uuu tite iii 3 5 E STE TTT TTT 3 5 3 14 3 Seral Speerficati EE 3 6 4 THEORY OF OPERATI N ecce oo ido aee pho S ee enun e eee rennen nee 4 1 AI HARDWARE st Ren 4 1 42 SONAR IMAGE fres NS 4 1 5 MAINTENANCE AND CALIBRATION 5 1 5 1 PERIODIC MAINTENANCE 5 1 32 ACI CIRCUIT BOARD ME 5 1 5 3 NETLINK NETBURNER BOARDS J L 5APOWER SUPPEIES vikar 5 1 S4 I CPU Supply EE 5 1 5 42 Tow Eisli Supply 3 ette aede bent e p pt bte ar ERU REO E Eb tlt ere 5 1 6 TROUBLESHOOTING AND REPALIR 6 1 O LGENERAEINFORMATION i a etae ee 6 1 62 GENERAL TROUBLESHOOTING eerte WADA eee 6 1 6 3 SYSTEM TROUBEESHOOTING 5 22 iere a dete Vi Re exea en ELE T Ve EXE TE oad RR ERE ERES 6 1 6 3 T Setup xe ER EN eit ae ede ne ES o toits 6 1 6 32 ON 6 2 6 3 3 System Check ia teen eme at tuo IR oe e ee letus 6 2 6 3 4 Preliminary Checks aiii dee ent aee eno kinie drwi di te ha e 6 2 635 Power Supplies niet
10. Sia k aan o e ae 6 3 6 3 5 1 Computer Supply eR Inte e dre delen A eoe leni 6 3 6 3 5 2 Tow Fish EE 6 3 6 3 6 ACT Boarder sasz dis ER Rh ii Eile m ee Se Aion 6 4 6 3 6 1 Programming Jumper Locations coconccocnnonacononconcononnconononononnnonnon eene nein nrene nennen nenne 6 4 6 3 6 2 ReCelVeE uite ai ett ster ei ade e o ERAI e A eL hp ted 6 4 6 3 6 3 Timing and Control ger ier canada aa gece a f o i sua e rot 6 4 6 3 6 5 Command and Status z ses a sss esequi e mte tete tp e e e ba hide 6 4 6 3 7 Other Symptoms i o e m e e a AI DI e aie saker teten 6 5 6 3 7 1 System EE EE 6 5 6 3 72 Error Messages net edo AD Re Ap Er e eee irte 6 5 6 3 7 3 No Display m e haah ge bo AE od A E ae he Rite 6 5 6 3 7 4 No Navigation Data eegener eth A ree a Ee i A Ue hum crre 6 5 6 3 7 5 No Towdtish E 6 5 6 3 7 6 No Sonar KE OG 6 6 6 3 7 7 Unbalanced Sonar Display nern leeren 6 6 6 37 38 Poor Quality Displ y 5 euer erexit R 6 7 6 3 7 0 Archiving Problems u u u tus bee eR as debe OS PI DAR AR E pis a MU E E PIENE 6 7 T PARTS LIS AAA A in Nee 7 1 VI GENERA A di 7 1 7 2 PARTS LIST MODELA LEE 7 2 Appendices Appendix A ACT Interface 5 5 sa re eas Re D CR ai aen A 1 Appendix B Netlink Module messi ics dE hade OG SG NETT ESA B 1 Appendix C EdgeTech System Backup amp Restore ee e ee e heme C 1 List of Figures Figure 1 1 4100 Processor e 1 4 Fisure 1 2 4100 System Di gtam sien tere IRI ROT ROTER
11. Simultaneous sets the baseline gain on both port amp starboard channels in 6 dB steps Both channels are set to the same gain G2 is default setting Gain P S P S Each command input incrementally increases or decreases gain of the respective port or starboard channel in 1 5 dB steps to a limit of 12 dB from the G2 default setting Reset E Software reset of the ACI processor Resets the ACI board without having to power down the sonar processor A 3 12 TowrisH STATUS A serial message from the ACI card provides information of the its operating mode This message may be used by the sonar processor to con firm that the towfish is operating at the commanded settings This message occurs at a 1 Hz rate The Message content consists of six data fields separated by commas as follows Note Spaces are shown below only for clarity There are no spaces in the message SETACI Range Frequency Port Gain Starboard Gain Trigger Test Signal lt CR gt lt LF gt A typical status message is ETACI R100 0 F1 P3 0 S 1 5 TI X0 lt CR gt lt LF gt where RANG obs EN 100 meters ECH 100 kH7 Port Gan satses 3 0 dB Starboard Gain 5 dB Trigger ates tients On Test Sienalsn cu dece Off The port and starboard gain values are relative to the default start up value G2 used for calibration A 4 A EH A 3 2 Parallel Data Output The parallel output provides two channels of side scan data
12. a te de 1 3 1 2 6 Synchronization eee en niet reet D aic Reh Debe ree IRRE di 1 3 1 2 Speed Inputs iae ee A O 1 3 1 2 8 Navigation Input a iet recien ec eden pe a reete rie eee eter etta 1 3 1 29 Control Input dan ett bla m etel A RA leas 1 3 1 2 10 Data Archiving ipid ba ette neon IRRE epe q lH 1 3 1 2 11 Hard Copy Archiving cioe aD rte edet ana 1 3 AAN AAA E AT 2 1 2 1 GENERAL car na sr an 2 1 22 LOCATION SELECTION ua sadist ites eter ta ta e e Ro amd ee 2 1 2 3 INPUT POWER ia ett aa aide tee aie ani haw Adae Rees 2 1 ZA SYSTEMJINTERGCONNECTION n aaa e dec tt eo te hee ev EE EE eu bak eve ayka eevee 2 2 3 OPERATION et ee 3 1 JU GENERALE a a AAC aa AGAIN II aUe diia i ais 3 1 32 TURN QN eh nete e e ente ae ate netu Ha anu Aa 3 1 3 3 INERTIAL SETUP 42 ARI eee Ine I anm e uH AIME iE 3 1 JA4DISPEAY SCREEN zn A tete ain Ha eU na Ini 3 1 3 5 ON SCREEN FUNCTION Scala e te A a a ah a e RE Ned hayu eet 3 2 36 CONTROLS iia eek chica tes Bi hada a aano a ena einem 3 2 S INDICA TORS rer REN 3 2 3 8 INPUT OUTPUT CONNECTORS lan re etre din ERE tre EUN Ne ment 3 3 3 8 1 External Device Connections e eee ea tasas e eee ea tenen 3 3 3 8 2 Internal Device Connections eese ooo aaa anawa sosta teneas e eee tana aaa tana ease eee ea tenen 3 4 39 EUSES rente o i beh tI ed ee EEN 3 4 3 10 VIDEO DRIVERS and SAMPLING RESOLUTION aaa unas s entran 3 4
13. additional costs 1 All shipments must be accompanied by two copies of your commercial invoice showing the value of the material and the reason for its return Whenever possible please send copies of original export shipping documents with the consignment 2 Ifthe value of the equipment is over 1 000 US the following shipper s oath must be sent along with the invoice This oath can be typed on the invoice or on a separate letterhead I declare that the articles herein specified are products manufactured in the United States that they were exported from the United States from the port of on or about that they are returned without having been advanced in value or improved in condition by any process of manufacture or any other means and that no drawback bounty or allowance has been paid or admitted hereof Signed 3 H there is more than one part per consignment a packing list must accompany the shipment It is acceptable to combine the commercial invoice and packing list as long as the contents of each carton are clearly numbered and identified on the commercial invoice 4 Consign all air freight shipments to EdgeTech in care of Intercontinental Transport Services Inc Logan International Airport East Boston MA 02128 If the equipment is the property of EdgeTech please insure for full value Route via Logan International Airport only as the final destination Mail one invoice packing list and copy of airway bill t
14. and associated equipment operate from a dedicated supply such as a UPS The processor unit should not be attached to a power source that is also used to drive motors and pumps on the vessel It is also not advisable to operate the system on batteries with a square wave out put DC to AC inverter or batteries connected to a switching type charger A standard North American style power plug is supplied at the end of the power cord If the system is to be used outside North America cut off the power plug and terminate it with a plug common to the area Color code for the power cable leads is Wire Color Signal Black AC high White AC low Green Chassis Ground 2 4 SYSTEM INTERCONNECTION All connections except the mouse trackball and keyboard are made on the rear panel Refer to Figure 1 1 and the photograph in Figure 2 1 for the internal system hardware configuration Views of the front and back panels are shown in Figures 2 2 and 2 3 Model 4100 Sonar Processor Installation ACI Board Network Board Video Board CPU Mother Board Power Supply Serial Data Mm um CZ ah ng NetBurner Board Netlink Board Power Board High Voltage Figure 2 1 4100 System Hard Drive DVD RW Floppy Drive Hard Drive 2 3 Model 4100 Sonar Processor Installation Edgelech gt Edgelech Figure 2 2 4100 Front Panel l
15. ee RU Uter be Red 1 5 Elgur 2 1 4100 System EE 2 3 Figur 2 2 4100 Front Panel a onore epe eet ro E ee t tastes e e nO eadera 2 4 Figure 2 3 4100 Rear Banel terere tenete tenete tete tette teeth tete tete tette tinent ts 2 5 vi ma Edgelech Model 4100 Sonar Processor A sion of Espere LLC Introduction 1 INTRODUCTION 1 1 SYSTEM DESCRIPTION The EdgeTech Model 4100 Color Video Side Scan Processor is the topside control unit for the EdgeTech Model 272 TD side scan sonar towfish The 4100 provides the valuable added dimension of color and video enhancements to aid in the interpretation of side scan sonar images The addition of color results in improved target detection over standard hardcopy printout by allowing the choice of an optimum color pattern to accentuate selected targets and features With the 4100 an operator has the ability to store segments and selected targets on removable storage media for later playback and analysis An optional parallel printer may be connected to provide hard copy records The 4100 subsystem consists of a topside processor and a high resolution color monitor The processor samples raw analog side scan data from the 272 TD towfish and processes it for display on the moni tor Side scan data is displayed in several formats including the standard waterfall display Port and starboard channels of either 100 kHz or 500 kHz are displayed The processor unit is a PC device operating und
16. in the field The main CPU board the plug in I O driver boards plus the Netlink Net Burner and ACI cards are field replaceable Only the manufacturer can service the monitor The circuit boards contain static sensitive devices These devices are extremely sensitive to static electrical charges that may develop on the body and clothing Extreme care should be taken when handling either the boards or the individual components It is advisable to use anti static protection materials and personnel grounding straps during handling AN CAUTION DO NOT REMOVE OR REPLACE BOARDS WHILE POWER IS ON 6 2 GENERAL TROUBLESHOOTING The 4100 consists of several analog and digital components working together and the important thing in troubleshooting is to try and locate the source of the problem whether it is a defective component improper setup or installation issue Use the following guide to assist in isolating a problem It presents various operational problems and general comments as to where to look and what to look for Refer to the enclosed Diagnostic chart for assistance in troubleshooting and a quick check to verify system operation It is impossible to list all possible problem areas and their combinations Being primarily a digital device many components are tied together on a common bus vying for the same circuits At times when one component goes bad the whole system goes down When this happens it is very difficult to locate the defec
17. media when images span multiple DVDs or to reinsert multiple DVDs for verification 2 Restore Procedure 2 1 Preparing to Restore If the backup image will be restored onto a new replacement hard drive Target Drive install the hard drive into the computer as the Primary IDE Master before proceeding with the restore procedure Remove all bootable media such as floppy disks or CD DVD media other than the Norton Ghost or PowerQuest Drive I mage recovery environment boot disk from their drives 2 2 Booting into Recovery Environment Insert the CD DVD containing the Recovery Environment into the CD DVD drive of the computer Note For Norton Ghost this is Symantec Recovery Disk on the Norton Ghost CD and for PowerQuest Drive Image this is PowerQuest Recovery Environment PQRE on the PowerQuest Drive Image CD Restart the computer to boot into the recovery environment and watch the computer screen closely If a prompt Press any key to boot from CD appears press a key within 5 seconds to boot from the CD Note The boot process might take several minutes to complete During the boot process the first screen indicates that the Recovery Environment is starting and shows a progress bar The next screen shows a Please Wait message above a completed progress bar Later a blank blue background Screen appears and some time later various combinations of a mouse pointer and hourglass appear on the blue background Symantec Recov
18. mt aaa tat ne oe Lx edes e e ga ne e Dei n ite dote is M e nonni C 7 2 2 Booting into Recovery Environment C 7 2 3 Setting the Time Zone xe ovi w eite it eter Mega a a A C 8 2 4 Starting the System Restore Wizard se eee e eee aaa aa aaa aaa aaa aaa se eese esses hens C 8 2 5 Selecting the Backup Image and Target Drive uuu aaa aaa aaa aaa aa aaa aaa mne C 9 2 6 Selecting the Restore Options ue uue aaa aaa aaa aa aa aaa esses esses hne es hene C 10 2 7 Completing the System Restore Wizard aaa anne nennen C 11 A aa Edgelech APPERDIZ 6 BREKOP RESTORE 1 Backup Procedure 1 1 Preparing to Backup Exit all running software applications 1 2 Starting the Drive Backup Wizard From the Start Menu click Start gt Programs gt Norton Ghost gt Norton Ghost Views Select Basic View this is the default and this procedure describes only the Basic View Note Norton Ghost can also be started by double clicking its Tray Icon Note After starting Norton Ghost may take a while before opening its window 8 Norton Ghost 9 0 ENGCOMPAQ Console View Tools Help Pick a backup task 2 a RO BackUp Drives lt Create a backup image of your drive for easy recovery For s more advanced cptions create a backup job Schedule Incremental Backups Create a daily weekly or monthly schedule for automatic incremental backups
19. the output fuse when doing any work around the TOWFISH connector during calibration or servicing 6 3 6 ACI Board 6 3 6 1 Programming Jumper Locations Refer to the tables in Appendices A for the default ACI board programming jumper settings for the installed sonar processor and to the board layout drawing in Appendix A for their locations Al though unlikely if one has been removed or changed from its default setting the processor may perform at diminished capability or not operate at all Those jumpers not referenced are not applicable for the installed interface Also regard the notes relative to default circuit bridges on later boards 6 3 6 2 Receiver An onboard test signal is injected at the front end of the ACI board s receiver to simulate a tow fish signal It can be used for both calibrating and troubleshooting the ACI board s analog section The test signal is a repeating sequence of 8 constant amplitude bars generated after an initial t bar and water column delay When the test signal is enabled this signal can be monitored on the port and starboard BNC connectors The amplitude and position are the same for both port and starboard channels The simplest way to verify that the channels are displayed in their correct position on the screen is to short one receiver input and note the location of the diminished amplitude signal Refer to the ACI Appendix for in formation on enabling the test signal 6 3 6 3 Timing and Contro
20. to identify faulty devices Remem ber to substitute an identical unit If not different software drivers may have to be installed or the CMOS BIOS may have to change The built in test signal on the ACI receiver is invaluable for troubleshooting the analog section Because it is injected right at the front end the system can be tested without the towfish Refer to its use in the following sections The following guide presents various operational problems and general comments as to where to look and what to look for Refer to the enclosed Diagnostic chart for assistance in troubleshooting and as a quick check to verify system operation 6 3 5 Power Supplies Before continuing with any electrical testing check the power supply voltages and fuses 6 3 5 1 Computer Supply The computer power supply provides operating voltages for all the components within the proces sor unit These include the processor board its plug in cards and peripheral components Without the proper internal system voltages the 560A will either not work or fail intermittently Check the 5V and 12V voltages There are no external adjustments The voltage range for the 5 volt supply is from 4 75 to 5 25 VDC The 12 volt supply should be within 10 A hard wired fuse is mounted within the power supply module All power connections to the pe ripheral devices are standard and can be interchanged Note that the supply is a universal model that will operate over the f
21. turn the power off and then back on after a few sec onds with the power module s Power switch located on the backside If there is only a Power pushbutton switch located on the front panel disconnect the AC power cord wait for a few sec onds and then reconnect it Turn the monitor power back on after the processor starts to boot Knowing that this hang up condition exists in your setup turn the processor and monitor on one at a time in any order when powering up Some units will not power up immediately when the main power switch on the backside is turned off and then back on within 10 seconds When power is turned off wait at least 10 to 15 seconds before reapplying power 6 3 3 System Check The 4100 has a Trigger light on the rear panel next to the towfish connector This light flashes once for each firing of the towfish If this lamp flashes at the appropriate rate set by the Range con trol the topside trigger circuitry and towfish transmitter are working properly If the light stays on there may be water leakage in the towcable or towfish If the light flashes and remains dim be tween flashes one of the transmitter circuits may be down due to a shorted SCR 6 3 4 Preliminary Checks When the equipment is not functioning the first item to check is the input line voltage If a battery is used with an optional DC AC inverter make sure that the battery is operating at its normal load voltage If the voltage is starting to drop rech
22. A100 SIDE SCAN TOPSIDE PROCESSOR USER S MANUAL Revision I 1 Sept 2007 Edgelech Email info edgetech com Web http www edgetech com PO Box 850 4 Little Brook Road West Wareham MA 02576 Tel 508 291 0057 Fax 508 291 2491 Introduction Ah em Model 4100 Sonar Processor a Edgelech A division of EdgeOne LLC ma Edgelech Model 560A Sonar Processor FORWARD This manual is intended to provide the user with an understanding of the operation and care of the EdgeTech Model 4100 side scan sonar processor Although this manual covers the latest operational features of the Model 4100 some features may be periodically upgraded Also certain hardware may be changed per customer requirements Therefore portions of this manual such as parts lists schematics and test features are subject to change Such sections should be used for reference only When changes are made that affect system operation they will be explicitly noted Also some options and features may not be active in your unit at time of delivery Upgrades will be made available when these features are implemented Different sonar processing software may be installed in the Model 4100 depending on customer requirements Each sonar package comes with different hardware setup and operational features Those features unique to particular sonar packages are included in a separate manual A Model 4100 system consists of two hardware components plus an insta
23. DATA1 CHAN 0 Port Stbd indicator 0 Port 1 Stbd DATA2 CHAN 1 Frequency indicator 0 LF 1 HF DATA3 ZERO Always 0 TTL low level DATA 15 4 Sonar data sample bit 11 0 ACI Control RD Data Acknowledge Pulse to clock data samples Measured pulse length 3 5us The data sample is specified as valid from 120ns after the leading edge of the RD pulse until 5ns after the trailing edge of the RD pulse RD polarity is a negative pulse IRQ New Line Start Pulse to indicate start of new sidescan line Specified pulse length 35us IRQ polarity is a positive pulse ACI continuous mode operation ACI continuously streams data samples directly onto its output ACI asserts an IRQ pulse at the start of a new side scan ping ACI asserts a RD pulse with data valid on its trailing edge B 3 A sa Edgelech Arr B METI Monite 2 2 Serial Command Status Interface Command downlink Status uplink RS 232 4800 8 N 1 no flow control 4800 bps 8 data bits 1 start bit 1 stop bit NO parity NO flow control 2 3 EXTERNAL UO External I O for switching Fish Power and driving Front Panel LEDs Portable Systems In Portable Systems the Netlink module is solely responsible for turning the Fish Power on off After power up reset the Netlink software expects status strings arriving from the ACI command status port When a valid status string is arrives Netlink considers the connection good and turns ON
24. I board has to the processor s data bus 4 2 SONAR IMAGE The instantaneous sonar echo level is a measure of the backscattering strength of a target or roughness of the seafloor material Reflections from each sonar transmission are displayed at different intensity levels with respect to time outward from the center of the video display The right hand portion is normally for the starboard transmission and the left for port As the towfish moves forward the dis played image correspondingly advances downward in a scroll like fashion Subsequent sonic transmis sions generate parallel swaths of data giving a continuous image of a wide area on the sea floor This image may be displayed in several formats such as a flat pictorial image or a three dimension wiggle trace Refer to the sonar processor manual for operating details Model 4100 Gonar Processor ma Edgelech Theory of Operation Aten A This page intentionally left blank 4 2 ma Edgelech Model 4100 Sonar Processor Achim gees HE Maintenance and Calibration 5 MAINTENANCE AND CALIBRATION 5 1 PERIODIC MAINTENANCE The 4100 topside processor does not require any extensive periodic maintenance other than 1 Wiping the display surface with a soft clean cloth 2 Cleaning the cooling fan blades and filter Refer to the 272 TD manual for periodic maintenance on the towfish 52 ACI CIRCUIT BOARD The ACI board consists of both analog and digital circuitry Adjustme
25. You must enter a name If you only want to enter your organization name place it in the name box Click Next Under Your Product Key Enter your operating system product key Usually attached to your instrument case Click Next Computer will restart In Logon to Windows Replace Administrator with edgetech Do Not Enter a Password Click OK Click Users and Passwords In Users and Passwords Click to highlight edgetech Uncheck Users must enter a user name and password to use this computer Window will turn gray Click Apply Do Not Enter Password Click OR OK Setup is complete C 11 A R Ed JE EdgeTech Model 4100 Color Video Unit ae igelech Return Material Procedure Procedure for Returning Material All Returned Material It is necessary to obtain a Returned Material Authorization RMA number prior to returning any equipment to EdgeTech This is to assist EdgeTech in recognizing your equipment when it arrives at our Receiving dock and to assist us in tracking your equipment while it is at our facility The material should be shipped to the address indicated on the cover sheet of this manual Outside Continental United States In addition to obtaining an RMA number the following additional steps apply to that material being returned from outside the Continental United States These steps should be followed carefully to prevent delays and
26. ained in the status message from the ACI This message can be used by the sonar processor to confirm that the towfish and ACI are operating at the commanded settings The serial link between the sonar processor and the ACI board can be broken and a PC with communication software inserted to check both the processor generated commands and the ACI status message without any involvement of the processor unit A 6 3 1 SETUP Obtain a PC with a serial port and communication software HyperTerminal Mirror ProCom to read and transmit serial ASCII characters The sonar processor PC can even be used Refer to Figure 1 for connector pin assignment 1 Set PC serial port to Type ueniat diis RS 232C Character Baud Rate 4800 Number of Data Bits 8 D7 0 A 12 A EH Update Rate 1 Hz Handshaking None required 2 Remove the 10 wire ribbon cable going from the ACI board to the processor serial port 3 Obtain a 10 pin to DB 9F ribbon interface cable and a standard 9 pin serial cable A 6 3 2 COMMANDS FROM SONAR PROCESSOR Verify the serial commands coming from the sonar processor to the ACI board as follows 14 Attach the standard serial cable between the sonar processor s serial port and the test PC s serial port 15 Monitor the ASCII characters coming from the sonar processor These messages have the format noted in Section 0 lt STX gt is start of text 02H and shows up as a smi
27. arge it immediately or replace it with a fully charged one The next thing to check is the seating of all the processor unit circuit boards especially if the unit has been in transit Remove the processor unit from the case and visually check that all the cards are fully seated After checking the cards check that the cable connectors are properly mated If the problem still persists disengage and then re engage all PC boards and do the same for all board cable connections before going on to any electrical testing Refer to the rear panel connec tion drawing of Section 3 and cable interconnect schematic in Section 7 All calibration adjustments are preset at the factory and should not require any modifications in the field unless they are inadvertently altered The analog section may require recalibration if there is a severe uncorrectable unbalance between the two analog channels or the gains are either too high or too low Check the towfish analog section and transducers in conjunction with the ACI analog sec tion The ACI board contains programming jumpers so that it may be configured to operate with differ ent sonar processors Check that the jumpers have been properly set per Appendix A 6 2 a Edgelech Model 4100 Sonar Processor Zaire LLC Troubleshooting and Repair If the above checks do not identify or remedy the problem attempt to isolate the failure to one of the system components Substituting components may be used
28. ates the start of a new side scan line Default is IRQ DRQ User selectable positive or negative going output signal that when asserted indicates that data is available for transfer to the external host As long as DRQ is asserted data is available in the FIFO for transfer Default is DRQ RD User selectable positive or negative going data clock output 2 6 usec wide used in the continuous data transfer mode Output data is valid on the trailing edge of RD or at a minimum of 120 nsec after the leading edge Default is RD DACK User selectable positive or negative going input signal from the host that clocks out the parallel data in the DMA transfer mode Data read is initiated on the leading edge and is valid on A 5 A Edgelech APPENDIA A AGI the trailing edge The host can continually apply DACK pulses for continuous data transfer as long as DRQ remains asserted The DACK pulse width must be 20 nsec minimum DACK is disabled for the continuous mode data transfer Default is DACK A 3 2 3 DATA FORMAT The 16 bit data word consists of 12 bit of digitized data and four housekeeping bits Of the later two bits identify the side scan channel one bit identifies alternate side scan lines and one is not used For each data sample the output sequences through the two channels with port always the first output At the start of each sonar line Bit DO toggles between high and low and remains in the same state for the d
29. aved Back up to Folder to store backup images Local file C Nmage O Network file Filename Source Drive O CD RW DVD RW C Drive CA Create folder C image In the Backup Location Window select Local file as backup location Keep the default Source Drive C and Filename C Drive Click Next C 4 A D Edgelech Arr 6 BEGER RESTORE 1 5 Selecting the Backup Options Drive Backup Wizard Options You can specify any backup options below Compression Standard recommended Verify backup image after creation File size Description included in each backup image Compression select Standard recommended IMPORTANT Check box to select Verify backup image after creation Uncheck box to deselect Divide the backup image into smaller files Optional Type a short description of the Backup Image in the text box provided Click Next Note A compression selection of None will reduce the backup restore time The default compression selection of Standard is usually a good compromise A ga EEE AGR b eg RESTORE 1 6 Completing the Drive Backup Wizard Drives and Backup Locations Cto C image C_Drive v2i Compression level Standard X Verfy backup files after creation Divide backup image Advanced Options Use password Ignore bad sectors during copy Disable SmartSector C
30. cessor Asen or etre LLC Theory of Operation 4 THEORY OF OPERATION 4 1 HARDWARE The 4100 sonar processor consists of two major components e Processor Unit e Video Monitor The processor unit consists of a Pentium processor with video and I O drivers plus a set of digital in terface cards to digitize the analog towfish signals and transfer the digitized data to the processor s data bus Standard PC driver cards are used to interface with the video keyboard and other typical computer components All data processing storage and display are controlled from the main CPU as well as sending com mands to control the towfish Software stored on the hard drive manages all these control and I O func tions It also formats and sets up the sampled sonar data to generate a typical side scan waterfall image and applies gain contrast and color enhancements to these images The ACI Netlink and NetBurner boards are the interface between the processor electronics and the 272 TD Towfish Analog side scan data is filtered amplified and digitized in the ACI card The digi tized parallel data is transferred to the processor s data bus through the Netlink and NetBurner boards A bidirectional serial port passes towfish command signals from the main CPU board to the ACI board The ACI converts these commands to the appropriate action Refer to the ACI appendix for specific command information Power is the only electrical connection that the AC
31. d products Equipment not manufactured by EdgeTech is supported only to the extent of the original manufacturer s warranty ma Edgelech Model 4100 Sonar Processor A division of EdgeOne LLC WARNING THIS EQUIPMENT CONTAINS STATIC SENSITIVE DEVICES These devices are extremely sensitive to static electrical charges which may be developed on the body and clothing Extreme care should be taken when handling these devices both in and out of the circuit board Normal handling precautions involve the use of anti static protection materials and grounding straps for personnel WARNING This equipment generates uses and can radiate radio frequency energy and if not installed properly may cause interference to radio communications It has not been tested for compliance to the appropriate FCC or EC rules designed to provide reasonable protection against such interference when operated in a commercial environment Operation of this equipment in a residential area may cause interference in which case the user at his own expense will be required to take whatever measures may be needed to correct the interference It is the user s responsibility to verify that his system complies with the applicable emission limits division of EdgeOne LLC Model 4100 Sonar Processor a Edgelech HARDWARE VARIATIONS amp COMPATIBILITY The 560A contains both standard PC and proprietary hardware At times EdgeTech may change these standard components
32. d serial port is designed to interface to a DSP processor Data is transferred to the host through a single serial channel For each sonar sample a 32 bit data string is output 16 bits of port followed by 16 bits of starboard MSB to LSB Output data rate is set by either the host processor or an onboard clock Programmable jumpers set the source and rate When interfacing to a DSP operate the DSP in its variable mode because data is transferred in bursts not continuous Set the I O board for continuous mode without host control as presented below The same applies to third party boards that use the TMS 320 series such as Sonitech s Spirit 30 family A 3 3 1 PORT SPECIFICATIONS No of Serial Ports 1 P amp S 100 kHz or P amp S 500 kHz No of Data Bits 16 per sample per channel Data Resolution 12 bits A 6 A EH Data Transfer Rate Selectable External 10 MHz maximum Internal 2 4 8 amp 16 MHz Data Sample Rate 25 kHz per channel Data Throughput 50 kHz Output Drive 10 LS TTL IS ei re CMOS 74HC Connector 2x5 pin header internal DB 9F external A3 3 2 SIGNAL IDENTIFICATION Refer to Figure for input output pin numbers and Figure 3 for timing information NEW LINE Positive going output pulse approximately 120 usec wide that indicates the start of a new side scan line SYNC OUT Positive or negative g
33. ding Time and heading above are UTC time and true heading Other sentences of the NMEA 0183 format if present in the navigation message are ignored When enabled The CPU clock will update its inter nal clock from the ZDA message and increment the time at its internal rate between messages There fore real time is always available for display and recording 3 14 2 Annotation In addition to the above standard sentences the 4100 will accept the following proprietary NMEA style message from the external positioning system to annotate the display and or generate an event mark A line of up to 21 ASCII characters can be input This feature is not implemented in all sonar processors EVT S AAA AA hh lt CR gt lt LF gt Where EVT is the sentence identifier NEA is an ASCII character flag M aditus equals print event mark others to be determined AAA AA is an event annotation message of up to 21 characters hh is the checksum and are field delimiters Model 4100 Sonar Processor Operation 2 Fdgelech A division of EdgeOne LLC SORS ds is carriage return and SLE sau is line feed Interface RS 232C Pott aate Coml Baud Rate 4800 Data Bits 8 d720 Start Bits 1 Stop Bits eus 1 Party asien None Update Rate per second max Handshaking Not required 3 6 ma Edgelech Model 4100 Sonar Pro
34. disabled Wait 5 minutes for the board temperature to stabilize before proceeding with the calibration 4 Short pins 1 and 2 of signal input connector J1 J6 5 Adjust Offset control R16 R43 for 0 VDC 0 001V at TP7 TP8 6 Remove the input short and send the X1 command to enable the test signal 7 Adjust trimmer capacitor C25 C58 for a peak signal at TP5 TP18 8 Adjust the balance control R25 R50 so that the adjacent peaks at TP40 TP39 are of equal amplitude 9 Adjust the Gain control R14 R37 for a 250 mv peak signal at TP7 TP8 10 Turn Power off and then after 10 seconds back on Repeat Steps 5 to 9 above to eliminate any control interaction 11 Send the F5 command to enable the 390 kHz test signal 12 Adjust trimmer capacitor C27 C56 for a peak signal at TP5 TP18 13 Turn Power off and remove external connections A 5 2 Jumper Settings Different jumper settings may be required for use with different sonar processors Refer to Table 1 for settings used by various processors Please note that these settings are applicable for a particular DIO board specified by the processor developer The developer may however change the DIO board depending on its availability and cost effectiveness Contact EdgeTech for the latest information A 5 2 1 PARALLEL PROGRAMMING JUMPERS Jumper plugs are used to modify the operation of the parallel port See Figure for their location and setting information Default
35. disk and boot from the floppy drive If the system boots from the floppy the hard drive may have crashed 6 3 7 2 Error Messages Refer to the sonar processor s operating manual for information pertaining to error messages relat ing to the sonar program not the operating system 6 3 7 3 No Display Check that the installed video driver and resolution setting match the display resolution A good way to check a monitor is to connect it to another operating personal computer The monitor is not field serviceable 6 3 7 4 No Navigation Data To check the navigation input go into Hyper Terminal from Windows Accessories and check the signal coming from the navigation unit Set up for 4800 baud 8 N 1 and no handshake on the rear panel s Navigation connector Com1 6 3 7 5 No Towfish Control Assuming that the towfish is operational and triggering the first thing to check is the ribbon cable connection between the processor s Com2 port rear panel and the ACI card The next things to check are the command messages going from the processor to the ACI Monitor the command messages on pin 3 of the rear panel s COMMAND STATUS port with another PC that has a communications program such as HyperTerminal Mirror or ProCom Observe the com mands coming from the port while changing range and compare them to that in Section 3 of the ACI appendix A typical command would look like lt STX gt R100 lt ETX gt Where lt STX gt and lt ETX gt di
36. duction Aaron of EageOne LLC Processor Processor Intel Pentium IV 2 0 GHz Hard drives 40 and 120 Gbytes Operating system Windows 2000 BALD zb 12 bits Data storage DVD RW Circuit Board Complement Motherboard Active backplane Video driver SVGA ACT Proprietary analog interface Peripheral Interfaces Serial RS 232C Coml and Com2 Parallel Centronics printer Video SVGA Control 2 button mouse trackball Keyboard Tow Fish Interface Sonar Data Two channel analog side scan data either 100 KHz or 500 kHz Trigger 15 VDC pulse 125 usec or 250 usec PW selects operating frequency Power 750 to 800 VDC to towfish ACI Interfaces Refer to Appendix A for details Trigger Synchronizing signal for external equipment Parallel Data High speed parallel data output port with either 100 KHz or 500 kHZ sonar data Serlal RS 232C control from processor 1 2 2 Video Unit TFT LCD Color Display Screen size 43 cm 17 inch diagonal Interface Analog RGB Video Resolution 1280x1040 Power 100 to 240 VAC 50 60 Hz 45 watts Weight 5 4 kg 12 Ibs Temperature 5 C 35 C oper 1 2 3 Video Presentation Display Waterfall top to bottom Wiggle trace Color Palettes Selectable preset and user generated palettes including gray and invers
37. due to their availability or performance improvements Although manufacturers their models and styles may change from unit to unit replacement components will generally be interchangeable EdgeTech will make all effort to see that replacement boards are interchangeable and use the same software drivers At times though there may be instances where direct replacements do not exist When this happens EdgeTech will provide the necessary drivers with the replacement part The chassis style may also vary due to availability and vendor model changes This could result in different card placement and cable routings All cable routing and part location drawings in this manual should therefore be used as a guide In addition to cabling the front panel controls and indicators may change with different available chassis styles Although the presence and function of the basic controls and indicators will remain the same their position and style may vary Additional controls and indicators may also be added for specials and options leen LLC Table of Contents ma Edgelech Model 4100 Sonar Processor Table of Contents 1 INTRODUCTION E 1 1 1 1 SYSTEM DESCRIPTION 1 1 1 2 TECHNICAL SPECIFICATIONS AND FEATURES aaa tenent nenne n n u 1 1 1 21 Processor De EE 1 1 1 2 2 V 1060 le EE 1 2 12 3 Video Presentation ces ia ceto estet hip eene AE 1 2 1 2 4 Controls and Status CAS a nie 1 2 1 255 R A ELSA PO WE e te des
38. e GPS and other navigation systems the processor unit accepts the standard NMEA 0183 sentences as outlined in the NMEA 0183 Stan dard for Interfacing Marine Electronic Devices Refer to Section 3 1 2 9 Control Input The 560A accepts control messages from the sonar processor over an RS 232 serial port The default serial setup 1s Portisasdnaiise Com 2 Baud Rate 4800 Data Bits 8 Start Bits 1 Stop Bits 1 Partty None Handshake None 1 2 10 Data Archiving Device DVD RW Media DVD 1 2 11 Hard Copy Archiving The parallel output is software configured to either print single page color or B amp W on a Windows compatible printer or print continuously on a thermal gray scale printer 1 3 Model 4100 Sonar Processor Introduction 2 Edgelech A division of EdgeOne LLC ACI Board Serial Data Command Status Figure 1 1 4100 Processor Diagram Parallel Data 2 o 9 2 7 3 B 2 m o gt Network Board El lt 3 3 ow s zo e T e b 5 oe U i Q w Z id o o o E e zx Fi Qa Video Board 2 D i o o U o J S o o Y c 3 o 9
39. e gray Controls Direct on screen button icons pull down menus Image size 1280x1040 1 2 4 Controls and Status Indicators All towfish controls and display functions are set by selecting onscreen icons and or menu items with a mouse and keyboard The position and location of the operating controls and status information is de pendent on the installed processing software Refer the processing software manual for information specific to the installed software 1 2 ma Edgelech Model 4100 Sonar Processor lesen LIC Introduction 1 2 5 Towfish Power An internal 800VDC power unit supplies power to the towfish 1 2 6 Synchronization The towfish trigger output provides synchronization with external equipment The trigger signal is out put when the 272 TD is commanded to fire 1 2 7 Speed Input Vessel speed may be either manually set or acquired automatically from a GPS or any other navigation unit with the appropriate NMEA 0183 message output When archiving the speed value is recorded with the data and is available for post processing during playback Speed is displayed on the screen 1 2 8 Navigation Input The 560A accepts NMEA 0183 style navigation messages over an RS 232 serial port The default se rial setup is POE Com 1 Baud Rate 4800 Data Bits 8 Start Bits 1 Stop Bits 1 Parity s aa sasa None In order to interface with a wide range of commercially availabl
40. er Microsoft Windows The appropriate hardware and drivers are installed to operate their respective display and archive devices Also installed within the 4100 are the towfish power supply and the digital interface The digital inter face consists of three PC mounted circuit boards They are the Analog Control Interface ACT Net link and NetBurner boards Tow fish analog data is filtered amplified and digitized in the ACL This data is then interfaced to the PC bus via the Netlink and NetBurner boards The ACI board as it applies to the 4100 is included in the main manual section A complete descrip tion of the ACI board is included in the Appendix section as well as the internal power supply Refer to the 272 TD manual under separate cover for tow fish specifications and for general side scan operation and handling Refer to the appropriate software manual depending on the interface software used 1 2 TECHNICAL SPECIFICATIONS AND FEATURES 1 2 1 Processor Unit Physicals SIZE eode 18cm H x 43cm W x 48cm D 7in x 17in x 19in Weight 18 kg 40 Ibs Power Requirements Input voltage 80 to 140 VAC or 175 to 265 VAC auto switching Power 60 watts avg Environment Temperature range Operating 0 to 45 degrees C shade conditions Storage 30 to 70 degrees C Relative humidity Operating 0 to 95 non condensing Non oper 0 to 100 1 1 Model 4100 Gonar Processor ma Edgelech Intro
41. ered No periodic maintenance is required A 9 A EH Note It may difficult to get at all the controls and test points when the ACI card is installed in the processor unit The ACI card may be removed and power applied to connector J9 configured to accept a standard PC power plug Refer to the figures for component location A 5 1 Receiver Calibration The ACI board has a built in test signal that can be used for calibrating the receiver An oscilloscope and DVM are necessary for calibration A command source with a serial port is also required to send commands to the ACI board This may be either the sonar processor itself or a PC with a communications software package installed Refer to Section A 3 1 for the command protocol Calibration can be performed with the ACI card either mounted in the M560A or on the bench An extender is required to gain access to the adjustment pots and test points when mounted in the M560A chassis Proceed as follows to calibrate each receiver on the bench out of the M560A The test points and controls noted are for the Port channel Their respective Starboard values are enclosed in parenthesis Refer to Figure 4 for component locations and Figure 1 for the command signal connections 1 Connect power source to J9 configured for a standard PC power connector 2 Connect the command source to J2 or to a DB9 cable adapter 3 Turn Power on The ACI board will default to standard gain 100 kHz and test signal
42. ery Disk In the End User License Agreement window click to Accept the license agreement In the pop up dialog Do you want to start Networking Services click No to restore from a local drive The boot has completed successfully when the Symantec Recovery Disk main window is displayed C 7 A a Edgelech AGFELNIU amp BRGEUP RESTORE PowerOuest Recovery Environment In the top right corner of the Network Configuration dialog window click the to close this window The boot has completed successfully when the PQRE main window is displayed 2 3 Setting the Time Zone Setting the correct time zone will ensure that the restored file dates and times are shown correctly Symantec Recovery Disk In the Symantec Recovery Disk main window click on the Time Zone field to open a Time Zone list then scroll the list and select GMT Casablanca Monrovia PowerQuest Recovery Environment In the PORE main window scroll the Time Zone list and select GMT Casablanca Monrovia 2 4 Starting the System Restore Wizard Symantec Recovery Disk In the Symantec Recovery Disk main window select Advanced Recovery Tasks Then select System Restore to start the System Restore Wizard PowerQuest Recovery Environment In the PQRE main window select System Restore to start the System Restore Wizard 2 5 Selecting the Backup Image and Target Drive Select Restore drives then click Next
43. esigning for both boards This document provides information on generic installation of and interfacing to the ACI card Refer to other Sections in this manual for specific instructions pertaining to a particular sonar processor A 1 A EH A 1 1 Specifications Card Type ISA EE 45inHx95inL 11 4 cm H x 24 cm L Power 5 VDC via ISA bus or onboard connector Serial Control Interface TYPE agente tet RS 232C Character Baud Rate 4800 standard Number of Data Bits 8 D7 0 Number of Start Bits 1 Number of Stop Bits 1 Digital Data Data Sample Rate 25 kHz per side scan channel Data Resolution 12 bits per sample HS Parallel Output 2x16 bit channels in sequence HS Serial Output One 2x16 bit channel in sequence port and starboard Electrical Interface Standard CMOS HC type Trigger Output Connector BNC female Polarity Positive going Pulse Width 89 usec Signal Level 0 to 5 volts CMOS Impedance 1K ohms to 5 volts 100 ohms to 0 volts Analog Outputs Connector 2 x BNC female Signals Port amp starboard Polarity Detected positive signal Signal Level 0 to 5 volts Source Impedance 100 ohms A 12 Input Output Refer to Figure 1 at the end of this a
44. essor A digital I O or DSP board is required in the processor to accept this information All control functions are selected by on screen menu or icon selection at the topside processor These controls are conveyed to the ACI board via one of the processor s serial ports The ACI board has an ISA form factor It may be installed in the processor or remotely mounted in an external enclosure When mounted in the processor the card obtains power from the PC bus Other than power there are no signal connections to the bus Onboard programming jumpers provide for various configurations and interface signal polarities to meet the requirements for most sonar processors on the market A high voltage supply is required along with the ACI card to power the towfish It too may be mounted internal or external to the processor An analog test signal is provided for troubleshooting without the towfish Although the ACI board has been designed to operate with the EdgeTech Model 272 TD towfish it will also work with the single frequency Model 272 T towfish Only 100 kHz data will be available The ACI board will not work adequately with a Model 272 towfish however Note The electrical interface to the ACI board s digital data output is the same as that for the DCI card that is used with EdgeTech s DF 1000 digital towfish except that only 2 data channels are available at one time and the data sampling is 2X This minimizes processor design changes when d
45. event data loss For handshake operation the onboard jumper is set to the INTERrupt position A 3 3 4 2 Continuous Mode w o Host Control In the Continuous mode data is continuously output from the serial port at a 48 kHz data word rate The NEW LINE signal notifies the host processor when a new side scan transmission has started A 32 bit serial buffer provides temporary storage for the previous data sample When a new sample is ready the ACI asserts the SYNC OUT signal notifying the host processor that the first data bit is available and sequential transfer will start at the next rising XCLK signal and continue until the buffer empties See Figure For continuous output set the onboard jumper to the CONTinuous position A 3 3 4 3 Continuous Mode w Host Control Operation is the same as the continuous mode w o host control above except that the host controls the data transfer by asserting the SEND DATA signal Set the onboard jumper to the CONTinuous position A 4 Theory of Operation A 4 1 General Information The ACI is the data and control interface between a topside sonar processor and an 272 TD towfish It amplifies filters and digitizes the analog towfish signals for processing There are no operating controls on the ACI board All operation comes from the sonar processor through an RS 232 serial connection These serial command signals are converted by ACI into control signals that set the towfish operating frequency and transm
46. ghts when towfish power is turned on Both system and towfish power must be switched on to enabled towfish power Hard Drive Lights when the hard drive is being accessed System Lights when the processor s system power is turned on A red neon TRIGGER lamp is located on the rear panel near the TOWFISH connector This lamp flashes every time the towfish fires a sonar signal 3 8 INPUT OUTPUT CONNECTORS All connections to external devices are on the rear panel except for the mouse trackball and keyboard which are located on the front panel Connections are labeled and size shape polarized 3 8 1 External Device Connections All connections are made on the rear panel except where noted POWER INPUT Provision to attach a 3 conductor power cord with a standard IEC 320 C 13 connector Power cord is provided POWER OUTPUT SWitched power outlet for monitor PRINTER Standard DB 25F connector for a parallel printer MOUSE TRACKBALL front panel Standard PS2 mouse track ball connector KEYBOARD front panel Standard keyboard connector NAVIGATION DB 9M connector for RS 232 input of navigation data Refer to the sonar processor man ual for accepted navigation data formats Connector pin assignments are Pin No Signal 2 Receive Input 3 Transmit Output 5 Signal Return COMMAND STATUS DB 9M connector used for diagnostics and troubleshooting Refer to the ACI appendix for signal format
47. h MS 103055 Fuse 1 32 A 183407 Cable Power 123242 Keyboard A tit preti 171166 Manuals 4100522 TUO A958452 l Ter TT 171905 Shipping Containers Environmental 560A Processor 171795 Trackball itin ana 171263 7 2 A Edgelech APIO A AGI Appendix A ACI Module A LL re A 4U A958456 Revision B Edgelech APPENDIA A ACI Table of Contents AG Introduchon RSS A 1 AT ME A 2 AZ CEET EE A 2 A 1 2 1 Rear Panel BNC Connectors esmen et ken A 2 A 1 2 2 Onboard Header Connectors eege deed A 2 Als Installation EE A 3 A 3x Operation SSA A 3 A 3 1 Serial Command Status Interface aa A 3 AST ALTE SE GA A 3 3 12 Ke STATUS NE A 4 A 2 Parallel Data Op A 5 AJ Port Specifications use hod do ko tio se A 5 A 3 2 2 Signal Identification esie sitat SEENEN A e un ai A 5 52 9 Data Forma et ee DUE EG OKO A 6 A324 Operating MOJCS os adi lots i ee A 6 A3 3 DSP Serial Data Output san sn Ei if A 6 A3 PGA S Pecado siii A 6 AZ anal Te EE e A 7 AS Data ROMA eye EU UE de A 7 23 34 Operating Mods diia A 8 A 4 Theory of Operation ENNEN a cux en ye dans ANNER nahen A 8 AR O a ique uh A 8 AL a ET A 9 A 42 1 Analog Re eiyerS kai Lehen le ni A 9 E Pas A 9 RAZA MINIE Zn R Z O A A 9 E 4 Del Ope A 9 A 5 Jumper Setup and Calibration
48. hen external clock is used HI Lei 2 MHz JP3 4 MH default Pe 8 MHz JPS E 16 MHz JI sss Sets the polarity for the Synch Out signals Default is SYNC jumper installed JPI ua Sets the polarity for the Send Data input signal Default is SEND jumper is not installed PIA ais Establishes whether the output data transfer is CONTinuous or INTERrupt controlled by the SEND DATA signal from the host processor Default is CONT A 6 Troubleshooting The ACI card uses surface mount components and as such there are only a few serviceable components Serviceable components are located on sockets for replacement They are chips that interface to the outside world and are susceptible to damage during handling when hooking up to external equipment With a CPU processor different hardware competes and arbitrates for the same data and address lines A failure of one may result in a failure of all This makes it very hard to isolate some digital problems without the proper equipment and a thorough knowledge of the data flow This equipment is not normally found on a vessel A 11 A EH A 6 1 Programming Jumper Plugs Programming jumpers configure the ACI board for different sonar processors During handling they may fall out Refer to Table 1 and the enclosed figures for the default settings when used with different Sonar processors A 6 2 Towfish Interface Listen for clicking sounds emanating from each side scan tran
49. her installed within the sonar processor s chassis or external to it When installed inside the PC chassis it is mounted in an unused ISA card slot for power and mechanical support There are no signal connections made to the PC s bus When it is mounted external to the PC an external power supply is needed for the towfish Two ribbon cable connections are required between the ACI board and the PC One is a serial connection for commands from the PC The other is the digital data output to the PC A digital input board is required in the PC to transfer the digitized side scan data to the PC bus There are several system variations Therefore for specific wiring and programming jumper settings refer to the appropriate manual addendum supplied with a particular application The default settings are for interfacing with the Edge Tech Model 560A sonar processor A 3 Operation A 3 1 Serial Command Status Interface The ACI PCB receives commands from and sends status information to the sonar processor through a full duplex serial port The serial interface is through a 10 pin ribbon cable within the PC A DB 9F ribbon cable extension is available for an external connection Refer to Figure for signal identification and connector pin assignment A 3 1 1 ACI COMMANDS Serial signals from the topside processor control operation of the ACI card These operational commands include setting the towfish ping rate and its frequency setting the individual p
50. in the figure above also listed in the table below then click Next Check Box Radio Menu Option DESELECT CLEAR Verify backup image before restore DESELECT CLEAR Check file system for errors after restore DESELECT CLEAR Resize drive to fill unallocated space select check Set drive active for booting OS select Primary Partition Partition Type Primary Partition select check Restore original disk signature select check Restore MBR C 10 A sa Edgelech Aerm B BRGKOP RESTORE 2 7 Completing the System Restore Wizard Review the Restore options Optional Select Reboot after Finish Click Finish and Yes to restore the backup image Note Restoring the backup image can take one or more hours to complete depending on its size If the backup image spans multiple storage media the user will be prompted to insert media as needed When restore is finished remove restore CD restart system by pushing reset or powering off then on When system restarts Click Start Run Browse At the top of the dialog box containing C to the right Click 0 Compact Disk E Double click SYSPREP USER Click USER BAT Open OK To continue follow screen prompts System will restart This may take several minutes Under License Agreement Click amp I accept this agreement Click Next Under Personalize Your Software
51. including a removable hard drive Refer to the sonar processor manual for recording and playback procedures 3 13 HARD COPY Side scan images can be continuously printed during acquisition and playback on a gray scale thermal paper printer such as the EPC GSP 1086 or Alden 9315CTP A full screen may be dumped onto a sin gle page Windows compatible printer 3 14 NAVIGATION A serial input port provides for the automatic entry of positioning information from an external GPS navigation source The source is generally a remote navigation system but it could be any serial output device with an RS232 C serial link with an NMEA 0183 data format Navigation information consists of the time and date plus the vessel s position speed and heading To visually check the navigation message format use Windows Hyper Terminal in the Accessories group The input message will display on the screen as it enters 3 14 1 NMEA 0183 Data Format The 4100 processor will communicate with marine systems that subscribe to the NMEA 0183 interfac ing standard To obtain necessary time date speed course and position information the external navigation unit should output a combination of the following standard sentences as outlined in the above referenced specification Refer to the sonar processor manual for other accepted NMEA messages GGA Latitude longitude and time RMC Latitude longitude and time GLL Latitude longitude and time VTG Speed and hea
52. it rate Control signals also set analog gain and test modes A 8 A EH The ACI card is a combination of hardware and software driven functions Certain features can be modified by firmware Onboard programming jumpers tailor individual I O signals to different sonar processors Serial and parallel formats of the towfish data are available to the sonar processor The ACI also provides a trigger signal for synchronizing external equipment to the sonar transmission A 4 2 Circuitry A 4 2 1 ANALOG RECEIVERS Two identical receiver circuits individually process the port and starboard signals They provide amplification and filtering that is controlled by the onboard CPU The analog signals are full wave detected and multiplexed to a high speed 12 bit analog to digital converter Analog receiver gain is controlled by software A 4 2 2 CPU The main function of the CPU is to receive serial signals from the sonar processor and transpose these signals to appropriate actions that control the towfish and ACI board These include analog gain and filter settings setting the towfish firing rate and frequency and enabling test signals The CPU also provides a status message to the processor A 4 2 3 TIMERS A set of three timer chips set various timing functions controlled by the CPU They include the towfish trigger rate and pulse width the data sampling rate and the test signal frequency and pattern A 4 2 4 DIGITAL OUTPUT This circuitry fo
53. l The digital portion of the ACI card contains the timing and control functions When commanded from the processor via the serial port it controls such functions as the towfish s operating fre quency transmit rate and receiver gains Monitor the Trigger output signal at the ACI card s BNC connector Operating range sets the trig ger rate and the operating frequency sets the pulse width As an example the period is 150 msec for 100 meter range with a pulse width of either 125 usec for 100 kHz operation or 250 usec for 500 kHZ operation If these signals are not present replace the ACI board If they are incorrect or do not change check the command signal from the processor as noted below If the command sig nals are okay change the ACI card 6 3 6 4 Command and Status The COMMAND STATUS serial port on the back panel is useful in verifying that the processor sends the appropriate commands to the ACI card and the ACI responds accordingly Monitor the command and status messages at this port with a communications program such as Hyper Terminal Mirror or ProCom Compare them to that in Section 3 of the ACI appendix 6 4 a Edgelech Model 4100 Sonar Processor avisene pene LLC Troubleshooting and Repair Connector pin assignments are Pin No Signal 2 Status Information 3 Tow Fish Commands 5 Signal Return 6 3 7 Other Symptoms 6 3 7 1 System Fails to Boot To see if it is a hard disk problem insert a system boot
54. l will be lost Sampling resolution during data acquiring and playback must also match the display resolution Play ing back 1024 samples on a 640x480 display will cause the outside portions of the image to fall off the edges of the screen The image compresses for the opposite Maintain the default factory settings to produce a correct image This includes the correct video driv ers monitor and sampling resolution set for 1024 Video drivers are normally set up in Windows Control Panel If by chance a low resolution monitor has to be used in an emergency with the processor already set up with the high resolution video driver the display will be blank The only way to recover is to set the new video resolution after rebooting in Windows Safe Mode 3 11 ACQUIRING DATA When the system is turned on it will default to the normal side scan display window The system re verts to the previous operating setup when turned on because the latest configuration is automatically stored when the unit is turned off Refer to the sonar processor manual for data acquisition archiving printing and copying procedures 3 12 DATA RECORDING amp PLAYBACK There are several methods for recording side scan information with its related housekeeping and posi tioning data for future playback Data may be recorded on either of the internal hard drives Other op ma Edgelech Model 4100 Sonar Processor Ser LLC Operation tional devices are available
55. le do A division of EdgeOne LLC WARRANTY STATEMENT All equipment manufactured by EdgeTech is warranted against defective components and workmanship for repair at their plant in West Wareham Massachusetts free of charge for a period of one year Shipping costs are to be borne by the customer Malfunction due to improper use is not covered in this warranty and EdgeTech disclaims any liability for consequential damage resulting from defects in the performance of the equipment No product is warranted as being fit for a particular purpose and there is no warranty of merchantability This warranty applies only if the items are used solely under the operating conditions and in the manner recommended in the instruction manual specifications or other literature ii the items have not been misused or abused in any manner or repairs attempted thereon ii written notice of the failure within the warranty period is forwarded to EdgeTech and the directions received for properly identifying items returned under warranty are followed and iv the return notice authorizes EdgeTech to examine and disassemble returned products to the extent EdgeTech deems necessary to ascertain the cause for failure The warranties expressed herein are exclusive There are no other warranties either expressed or implied beyond those set forth herein and EdgeTech does not assume any other obligation or liability in connection with the sale or use of sai
56. ley face character and lt ETX gt is end of text 03H and displays as a heart The Message content denotes the command function as set by the sonar processor 16 Change the commands from the sonar processor control panel and observe that the transmitted messages correspond to that of Section 0 Also note that the command set repeats every second A 6 3 3 STATUS MESSAGE FROM ACI CARD Verify the serial status message from the ACI board as follows 1 Attach the 10 pin ribbon cable between ACI connector J2 and the test PC s serial port 2 Monitor the ASCII character string coming from the ACI board This message has the format noted in Section 0 A 13 A Edgelech PPENDIX A AGI Table 1 PROGRAM J UMPER SETTINGS Default Triton TEI Hunter CODA Data ISIS Sea Sone Tech Transfer Jumper Signal Parallel Parallel DA u i Signal Jumper sl EE a a ms g m o EL ams smcours ser mf m JJ amr soora IRB m em Prem CON Um Gm m fm EE aa NUN UN ERN EUN e E m a Dose am ms m oe w fa JJ Lm ms p xe m me mr coNmasDMA cow cor cor comm JJ ams contas bwa cow cor com cw T JJ Notes na not applicable yes jumper installed no jumper not installed 1 Later boards have a track on the backside of the board bridging the pins in place of the jumper
57. lled software sub component The hardware components are the Model 4100 topside processor with its color video monitor and the EdgeTech 272 TD towfish Information relating to the Model 4100 plus monitor and the installed Analog Control Interface ACI board is included in this manual Information relating to the 272 TD towfish and instructions pertaining to the installed sonar processor are included in their own individual manuals Throughout this manual the EdgeTech Model 4100 will be referred to as the 4100 and except where noted it will include the 4100 interfaced to the 272 TD towfish via an installed ACI card EdgeTech has made every effort to document this product accurately and completely However EdgeTech assumes no liability for errors or for any damages that result from use of this manual or the equipment it accompanies EdgeTech reserves the right to upgrade features of this equipment and to make changes to this manual without notice at any time Since clear and concise documentation is inherent for proper operation and understanding of the equipment we solicit you to contact us with any questions or comments so that we may enhance this manual EdgeTech 4 Little Brook Road West Wareham MA 02576 Tel 508 291 0057 Fax 508 291 2491 Email service edgetech com Windows is a registered trademark of Microsoft Corporation EdgeTech was formerly EG amp G Marine Instruments Division Model 4100 Sonar Processor a Edge
58. mouse track ball sets all operating controls except Power The purpose of this section is to present general information on the operation of the equipment It is not intended to be a text on side scan operation and interpretation Only those features that pertain to the operation of the 4100 processor unit will be covered in this manual Refer to the towfish manual for information that pertains to side scan operation Refer to the sonar processor manual for information specific to the sonar display 3 2 TURN ON When power is turned on the processor unit boots from the hard drive This takes a very short time and is evident by a continuous display of status lines After the operating system has booted the oper ating software automatically starts The sonar processing software then either automatically or manu ally starts depending on the setup At this point the 4100 is ready for use 3 3 INITIAL SETUP Each sonar processor can be configured for use with different hardware and sonar configurations Al though the system is set up for the correct configuration when it leaves the factory and the setup con figuration is saved when the system is shut down the system setup should always be checked prior to turning it on for the first time at each job location Refer to Appendix C for setup instructions 3 4 DISPLAY SCREEN Each sonar processor uses different screen partitions to display the sonar data plus control and status functions The main
59. n do except to wait for the bottom conditions to change Before checking for a gain unbalance verify that all display and sonar gain values controlled from the processor are set to equal values To check if the unbalance is due to either the towfish or topside unit disconnect the towcable Turn the 4100 power off and then back on to reset the ACI gains Set both port and starboard dis play gains if available to their same default settings and enable the ACI test signal If the port and starboard bands are of unequal amplitude the most likely reason is the ACI gain settings are not balanced They may be rebalanced by turning the 4100 power off and then back on to reset the ACI board and then adjusting either the ACI board s port or starboard Gain controls from the sonar panel until the test bars are of equal amplitude This may alter the calibrated gain values somewhat Recalibrate the ACI board receivers when convenient to do so If the bands are of equal amplitude the problem is in either the towfish or towcable This is true only when the ACI receiver gains have not been altered to correct a previous unbalance Check towcable continuity and leakage before dismantling the fish 6 6 a Edgelech Model 4100 Sonar Processor avisene pene LLC Troubleshooting and Repair Switch the port and starboard transducer leads to check whether a towfish transducer or receiver is the problem If the unbalance is on the same side the problem i
60. nd the Target Drive usually C X drive onto which to restore the backup image WARNI NG The next step instructs the System Restore Wizard to wipe clean the entire Target Drive before restoring the backup image Note that the Target Drive is only virtually deleted at that point the actual deletion of the drive only takes place during after clicking the final Finish of the System Restore Wizard If the Target Drive contains any data files users want to preserve users are advised to quit this restore process and first attempt to back up those data files Data files can be backed up to DVD storage media from Windows XP using either DVD writer software or the Drive Backup wizard of the Norton Ghost or PowerQuest Drive Image software on the computer C 9 A D Edgelech Arum 6 B CIMP RESTOCE 2 6 Selecting the Restore Options lt System Restore Wizard X Restore Options You can select the options to use for the restore Select the restore options to use Verty backup image before restore Check for fie system errors after restore Resize drive to fil unallocated space Advanced options v Set drive active for booting OS Partition type G Primary partition C Logics partition For advanced configurations see documentation Restore original disk signature v Restore MBR lt Back Next gt Cancel In the Restore Options window check clear boxes to select deselect the options shown
61. nts are only required in the ana log section No periodic maintenance is required unless there is an uncorrectable unbalance in the tow fish signals Note It may difficult to get at all the controls and test points when the ACI card is installed in the processor unit The ACI card may be removed and power applied to the 4 pin connector J9 configured to accept a standard PC power plug Refer to the drawings in ACI Appendix A for component location Refer to Appendix A for the receiver calibration procedure 5 3 NETLINK NETBURNER BOARDS There are no user controls or adjustments 5 4 POWER SUPPLIES 5 4 1 CPU Supply No periodic maintenance is required and no operator calibration procedures are required There are also no external adjustments on the main CPU power supply All CPU voltage jumpers are preset at the factory 5 4 2 Towfish Supply The towfish supply voltage is fixed It is a printed circuit board mounted in the 4100 chassis Warning Take care when measuring or servicing the high voltage supply Its voltage can be as high as 800 VDC Model 4100 Sonar Processor Maintenance and Calibration 2 Edgelech A division of EdgeOne LLC This page intentionally left blank a Edgelech Model 4100 Sonar Processor Mm MPO HE Troubleshooting and Repair 6 TROUBLESHOOTING AND REPAIR 6 1 GENERAL INFORMATION The 4100 processor unit is fabricated mainly with off the shelf computer components that are not repairable
62. o w o o Qa S o z DES og Soa Se lt Y c 39 55 o U o o o c UO KH Hard Drive SS a Edge Jech Model 4100 Sonar Processor Ah eine LLO Introduction 17 HIGH RESOLUTION MONITOR EE EE EE CUSTOMER SUPPLIED INTEGRATED NAVIGATION SYSTEM KEYBOARD amp TRACKBALL NOTE ACIBOARD INSTALLS IN THE TOPSIDE PROCESSOR 272TD ANALOG CONTROL INTERFACE BOARD TRIGGER DC POWER ANALOG SONAR DATA SEVEN CONDUCTOR TOW CABLE 272TD TOWFISH Figure 1 2 4100 System Diagram 1 5 Model 4100 Sonar Processor ma Edgelech Introduction Aaron of EageOne LLC This page intentionally left blank 1 6 ma Edgelech Model 4100 Sonar Processor lesen LLC Installation 2 INSTALLATION 2 1 GENERAL The EdgeTech Model 4100 Topside Processor is supplied complete with all the necessary components including cables Take an accounting of all system components as noted below before each installation and inspect them for damage Model 4100 Processor Unit Components _ Model 4100 Processor Unit _ Power Cable Mouse Trackball w cables ____ Keyboard w cable 4100 Manual __ Processing Software Manual hard copy or on disk Windows Installation Disks ____ System Recovery Disk Processing Software Video Unit Components _ Monitor Power Cable Video Cable 22 LOCATION SELECTION The processor unit may be mounted in eithe
63. o EdgeTech upon shipment Please refer to the issued RMA number on all documents and correspondence Ee eh Se A Air freight must be paid on all returns
64. oing output pulse user selectable one XCLK cycle wide that notifies the external processor that the first bit of the 32 bit data block will be available on the next falling edge of XCLK SER OUT Sequential output data string of 16 bits of port data followed by 16 bits of starboard data MSB to LSB for each data point Data is clocked out at the rate of XCLK and is stable for readout on the falling edge XCLK Data transfer clock A shared input to the ACI when data transfer rate is set by the host processor An output to the host processor when data transfer is set by the ACI Onboard jumpers set clock source SEND DATA Control input signal that notifies the ACI that the external processor is ready to accept the next 2x16 bit data string when in the handshake mode Enables data transfer when in the continuous data transfer mode A3 3 3 DATA FORMAT Data is transferred through a single serial channel For each data sample 16 bits of port data are output followed by 16 bits of starboard data Each 16 bit data word consists of 12 bit digitized data two bits that identify the side scan channel one bit that identifies a side scan line and one not used The output order of the 32 bit word is illustrated below BI ser Always a zero B2 B13 Port side scan MSB LSB B14 B15 Channel ID 00 Port 100 kHz 10 Port 500 kHz B1622 an aa Toggles for each line BIZ GG Always a zero B18 B29
65. on or keyboard input Refer to the sonar processor s operating manual for specific information on the control and setup func tions 3 6 CONTROLS There are three switches located on the front panel behind the hinged door to control processor and towfish power plus reset Listed from top to bottom position they are SIDE SCAN POWER A two position locking pushbutton switch that controls power to the 272 TD towfish The appropriate indicator lights when towfish power is turned on SYSTEM POWER Momentary pushbutton switch that controls power to the 4100 processor plus towfish It also controls monitor power if connected to the 4100 s switched outlet Each action tog gles power ON and OFF The appropriate indicator lights when processor power is turned on Note This switch only shuts off the main processor power It does not turn off the proces sor s standby power RESET Pushbutton switch that resets the processor There is a main POWER switch located on the back panel as part of the computer power supply It shuts power off to all the circuits Depressing the rocker switch 1 turns power on Depressing the 0 turns power off 3 7 INDICATORS There are three active LED indicators on the front panel observable from the front and behind the hinged door Listed in their top to bottom position they are 3 2 ma Edgelech Model 4100 Sonar Processor A sen of Eogena LLC Operation Towfish Power Li
66. opying Backup creation can be scheduled by creating Backup Jobs Click Next to begin the backup Confirm the Drive Backup Options Drives and Backup Locations Options C to C image Compression Level Standard X Verify backup files after creation Divide backup image Advanced Options none selected Click Next C 6 A sa Edgelech Aerm BAGEN RESTORE 1 7 Creating the Backup I mage In the window that follows click Next to create the backup image When the message Backup of C X completed successfully is displayed click Close to exit the Drive Backup Wizard Make sure the backup DVD media are compatible with the EdgeTech Computer s DVD writer Insert a blank writeable DVD into the EdgeTech Computer s DVD drive and wait for it to load Note Some software programs may start automatically when detecting blank DVD media Always exit these programs and if prompted select an option to prevent these programs from starting or taking any automatic action when detecting blank media Burn the image files C Drive v2i Symantic Image file and sv2i Symantic Recovery Disk file to DVD and remove the DVD storage media containing the backup image for safekeeping Note The entire backup process may take one or more hours to complete depending on the size of backup image During backup the Drive Backup Wizard may require user intervention to insert additional DVD
67. ort and starboard amplifier gains and enabling test signals Once a command has been set it retains the last value until the ACI power has been turned off or re commanded to another setting Even though the last input is retained it is advisable to periodically re transmit the command signals to insure that the towfish is operating at the desired setting in case a noise input causes an accidental switch to another setting The command message format is lt STX gt Message lt ETX gt where lt STX gt is start of text 02H and lt ETX gt is end of text 03H The Message content denotes the command function Each function is individually controlled with its own message The messages can occur in any order at any rate A EH When turned on the ACI is immediately active The following are the various command messages accepted by the ACI The default values at turn on are denoted in bold Parameter Command Operation Range Rxxx Sets side scan transmit rate where xxx denotes the Range setting in meters Values of xxx are 25 50 75 100 150 200 300 400 600 and 1000 Range is limited to 150 meters maximum at 500 kHz Frequency F1 Enable 100 kHz operation ES ss Enable 400 kHz operation Trigger T1 Turn on towfish trigger TO case Turn off towfish trigger Test Signal XI Turn on towfish test signal XO luas Turn off towfish test signal Gain G0 to G4Gain number
68. plug 2 Jumper settings are a function of the selected DIO interface board Contact EdgeTech for information on these boards A 14 Engel ch APPENDIX A AGI J5 SIDE SCAN o NOOO ELM O 00 N O On OO N Gnd PARALLEL SIDE SCAN PARALLEL SIDE SCAN J3 DSP SERIAL DCI XMIT DCI RCV 0OOMNDARSVN O O O N O QI QO N a RS 232 SERIAL J1 i HI 12V E LO SS INPUT DN 3 SHLD ov 4 TRIGGER 45V PORT STBD POWER Figure 1 Board Input Output Connectors NEW LINE CLK OUT SEND DATA SYNC OUT SER OUT CLK IN SYNC OUT SER OUT A 15 APPENDIX A AGI lech A ra d Victore o Edge A 00S 00T AELS5 OOS OOT LXOd PCS OGI tar TG za tra zta AO IDL OGI tar ta za ota Tra etd AO vVIVG ze TE og ez sz 6T 8T LT 9r ST PT T ZL v z T ONAS M IOX SWFL HdOW SNONNILNOD a AQON HMYHSANYH 8 GITVA ariwa i gI IVA N LWG VIVG E gt suG lt su0ZT gt suG lt SUOZI gt OWG MOWA suoTT gt suo lt Gd Oud A 16 iming Figure 3 DSP Serial T iming Figure 2 Parallel T
69. ppendix for connector pin wiring information and Figures 5 to 7 for their location Refer to section A 1 1 for specifications A 1 2 1 REAR PANEL BNC CONNECTORS TRIG OUT Provides a short positive going TTL level pulse each time the ACI triggers the towfish transmitter With the ACI as master it is used to synchronize other sonar equipment PORT STBD Two separate outputs of the detected analog signals after filtering and amplification just prior to digitization A 1 2 2 ONBOARD HEADER CONNECTORS Serial Port J2 Ten pin header that provides bi directional RS 232 serial communication between the ACI board and a sonar processor Tow fish commands are input and towfish status is output Off board ribbon cable configures to a DB 9F connector A 2 A EH Parallel Data J4 ISIS Forty pin header that outputs parallel side scan data for external processing Configured for 1 1 compatibility with an internal Triton Technology ISIS connector Parallel Data J5 SIDE SCAN Forty pin header that outputs parallel side scan data for external processing Off board ribbon cable configures to a DB 37F connector configured for 1 1 compatibility with the Triton Technology ISIS off board connector Serial Data J3 DSP SERIAL Ten pin header that outputs high speed serial data to an external processor Off board ribbon cable configures to a DB 9F connector A 2 Installation The ACI board may be eit
70. r Maur Netlink Module 1 Overview The Netlink module implements an Ethernet link between the Topside processor and the ACI card All communications between the Topside processor and the Fish are routed through this Ethernet link The ACI card receives and samples the sonar return from the Fish and transfer the digital samples to the Netlink module The Netlink module packets and transfers the digital sonar samples to the Topside processor via an Ethernet link The Netlink module receives Fish commands from the Topside processor via an Ethernet link The Netlink module formats and sends these commands to ACI card The ACI controls the Fish as per command See Figure 1 Netlink Interface Data Flows 2 Data Flows Uplink Parallel interface sonar data samples Serial interface status strings Downlink Serial interface commands Edgelech APTERDIZ B Meu Mu ACI SONAR DATA HUN HIN ETA es JUUL JUUL POWER STBD COMMAND il i I I T I H H IS 21 190 121 STATUS NETLINK POWER EXTERNAL 1 0 TOPSIDE PROCESSOR Figure 1 Netlink Interface Data Flows A sa Edgelech Arr B Meri Monite 2 1 Parallel Sonar Data Interface All signals on the Parallel Sonar Data Interface are ACI outputs at TTL levels ACI Data Rate Measured rate 25ksps 2 channels 50ksps 100kByte s for 16bit samples ACI Data Format DATAO TOGGLE change level with every new ping
71. r a horizontal vertical or slant position on a flat surface in a dry area It should not be installed outside in an area exposed to seawater spray With the addition of front panel ears and slides the processor may be mounted in a standard 19 inch rack Whatever the method of mounting the surface or rack must be firm and decoupled from vessel vibration Readability of color video displays is poor when viewed in direct sunlight It is therefore not advisable to mount the video unit where direct sunlight will fall on the display face 2 3 INPUT POWER The processor operates at both 115 VAC and 230 VAC with automatic switchover For power re quirements see Specifications Section 1 2 It does not operate over the full 115 to 230 VAC range The video unit on the other hand can operate safely over the full voltage range Refer to the rear panel for input power requirements For proper operation the power source must be clean i e constant and free from electrical noise High amplitude high frequency noise spikes that are superimposed on the input power lines may be coupled into the processor electronics If large enough the noise may either degrade the displayed im age or cause the processor unit to fail completely The processor unit is a digital instrument and a noise spike occurring at a critical computer cycle may cause the system to hang up Model 4100 Gonar Processor ma Edgelech Installation brede ry It is best to have the 4100
72. r jaa ES 7 LT 3 na ie u ED and i m op on tar e i sm m Ad mm m SO SR S p m Uall miej m 8 E rj T H Le 8 e o id g sza sa zn n aj P Ve g T e E E d w 3861 gt Tes ch an u un oa OLX lo G e Di E ME o o o o cum sa D o de Su Wa qu ao EEEE i Gr D 7 x a Cal Figure 6 A D and parallel output A 19 A Edgelech APC A AGI PO 5 L Di FEE za Es EX Figure 7 High speed serial output A 20 A ga Edgelech Arria B Meu MODOLE Appendix B Netlink Module A dgelech APPERDIZ B Mu
73. re shown Norton Ghost backup uses Norton Ghost software and the Symantec Recovery Disk recovery environment The Symantec Recovery Disk is run from the bootable Norton Ghost CD Drive Image uses PowerQuest Drive Image software and PowerQuest Drive Image Recovery Environment The PowerQuest Drive Image Recovery Environment PQRE is run from the bootable Drive Image CD The Symantec and PowerQuest recovery environments require a minimum of 256 MB of RAM to run and the drive letters under the recovery environments may differ from those of Windows XP Warning There are two incompatible DVD recording formats DVD R and DVD R Some DVD writers only support one of these formats Make sure the DVD writer supports the blank media used for the backup Contents EdgeTech System Backup Restore cs ee e C 1 1 Backup Procedure muii ae ENEE ENNEN wo ihn her ENNEN EN NT ga EA EE CRECEN RH C 2 1 1 Preparing to Backups sues iodo Me De Ada aga ades A C 2 1 2 Starting the Drive Backup Wizard eee ea aaa aa aaa aa aaa aaa sm me eee mesh hehehe nnn C 2 1 3 Selecting the Drive to Backup au eier nn NENNEN ENNEN ENEE REENEN nee C 3 1 4 Selecting the Backup Location sse ee eee eee C 4 1 5 Sel cting the Back p Options nn een re edet est Ee C 5 1 6 Completing the Drive Backup Wizard sss eee e ee ee e ee C 6 1 7 Creating the Backup Image nase Pre dE NEE puse Ga ars is Ed EE a C 6 2 Rest re e Lee ie C 7 271 Preparing to Restore
74. rmats the digitized sonar data output to the sonar processor High speed serial and parallel data formats are simultaneously available The high speed serial port is configured to drive a processor with a DSP input channel Serial data is buffered in an output shift register It can be transferred out at either a fixed rate controlled by the ACI or the sonar processor s clock or by a series of handshake signals between the two units Serial sonar data is also shifted into a parallel register for serial to parallel conversion and then transferred in sequence to a buffered FIFO register for storage The FIFO provides temporary storage when the sonar processor momentarily cannot keep up with the input rate during parallel transfer This also prevents data loss when the processor is setting up for a new side scan line The requirement for strict timing between the two units is eliminated with asynchronous data block transfers from the ACI to the processor in burst mode transfers A 5 Jumper Setup and Calibration The ACI board contains both digital and analog circuitry The receiver section has several analog gain and offset adjustments The digital section requires various jumper settings to set interface signal polarities as required by the sonar processor and data transfer modes All adjustments are preset at the factory and should not require any modifications in the field unless certain components are changed or the adjustments are inadvertently alt
75. s with the receiver If it switches to the opposite side the transducers are unbalanced To compensate for an unbalance due to any source use the port or starboard gain commands on the sonar menu The ACI receiver gains may be tweaked to compensate for the unbalance but this should be the last resort If the ACI gains are tweaked however recalibrate both the ACI and tow fish receiver gains when convenient to do so 6 3 7 8 Poor Quality Display Poor display quality may be the result of external noise influence defective towfish analog cir cuitry or incorrect display gain contrast settings 6 3 7 9 Archiving Problems The archiving devices are self contained and not serviceable They connect either directly to the main processor board or through a separate driver card Archiving problems may be due to the drive itself the driver card if so equipped or due to problems on the processor motherboard One needs a separate drive and or driver card to confirm this Substituting the same or similar type of drive or card for the suspect component will check the processor port Note that if a different drive type is used the CMOS setup has to change accordingly Different driver software may also have to be installed if a different card is used 6 7 Model 4100 Sonar Processor ma Edgelech Troubleshooting and Repair Ann ot Edge LLC This page intentionally left blank 6 8 a Edgelech Model 4100 Sonar Processor S ati Parts Lis
76. screen is the sonar display window where the side scan image is presented Side scan data defaults to a standard waterfall image where new data scans are added at the top of the image as the oldest scans drop off the bottom The left image typically contains port data while the right side shows starboard data One or two 272 TD sonar channels may be displayed Model 4100 Gonar Processor ma Edgelech Operation py Abe e LLC Towfish control along with towfish and 560A status information are located on the screen in other sub windows The location and form of these are dependent on the installed sonar processor The control group sets up the different towfish operating modes such as the towfish operating range and frequency Refer to the sonar processor manual for detailed information on the control and status windows 3 5 ON SCREEN FUNCTIONS Setup and control functions are executed by on screen point and click action through an icon and or menu system Click on a command button once to activate the function with the left mouse button Some functions are not available at all times and are only enabled under certain conditions Those enabled functions are boldly displayed while those that are not are either subdued or blanked out Some command functions are toggle action where the operation alternates between off and on each time the function is selected Other functions control analog parameters They are set by either slider acti
77. sducer The clicking rate should change according to the selected Range and the intensity should change for the different frequency selections The ACI board drives the towfish directly Monitor the trigger pulse going to the towfish at the TOWFISH connector The trigger rate changes according to the Range and the width changes according to the operating frequency Check the high voltage going to the towfish There is a low amperage fuse in series with the high voltage line A rub sequential test on each transducer will give a relative indication of the operation of the analog circuitry Try it at different Gain selections The ACI card has a built in test signal that can be applied to the analog input to simulate the towfish It generates a series of parallel bands at the operating frequency There is one at To followed by a blank area representing the water column It is then followed by a continuous series of bands out to the maximum range The test signal is enabled from the sonar processor or any other serial device that can send the appropriate command message See Section A3 1 1 A 6 3 Advanced Commands from and status messages to the sonar processor occur over a bidirectional serial link between the processor and the ACI board These operational functions include setting the towfish s ping rate and transmit frequency and enabling a test signal Refer to Section A3 1 1 for a listing of these messages The operating configuration is cont
78. settings are noted below in bold A 10 A EH Note On some boards the default settings for those other than JP11 amp JP13 are pre wired on the backside of the board by a small track across their respective pads To change from the default value first cut the track and then add the appropriate jumper if reguired JP11 amp 13 Selects either CONTinuous output or hand shake DMA transfer mode Default is CONT JPG nds Sets the polarity of the IRQ output signal Default is IRQ jumper installed JE seu Sets the polarity of the DACK input signal Default is DACK jumper not installed IPS uge Sets the polarity of the RD output signal Default is RD jumper installed e set Sets the polarity of the DRQ output signal Default is DRQ jumper installed A 5 2 2 SERIAL PROGRAMMING JUMPERS Several jumpers modify the operation of the serial port See Figure for their location and setting information Default settings are noted below in bold Note On some boards the default settings for those other than JP14 are pre wired on the back side of the board by a small track bridging across their respective pads To change from the default value first cut the track and then add the appropriate jumper if required B EE Ties in the external host clock to the onboard XCLK line Internal clock has to be disabled if connected Default is JP1 not installed JP2 JP5 Enables and sets the internal data transfer clock XCLK Remove all jumpers w
79. splay as a smiley face and heart respectively If the commands from the processor are not correct the problem lies in the processor If they are correct check the ACI card s Trigger output signal on the BNC connector Verify that the signal is present and its rate changes with different operating range selections Also check that the pulse width changes between 125 usec and 250 usec for 100 kHz and 500 kHz operation respectively If these are not present replace the ACI board If they are okay the problem lies in the fish or tow cable 6 5 Troubleshooting and Repair son ot apre LLC Model 4100 Sonar Processor a Edgelech 6 3 7 6 No Sonar Display If the display does not scroll the problem may be due to one or more possibilities The first and easiest thing to check is the sonar s setup configuration for the 4100 and chosen towfish Refer to Section 3 Next verify that the 272 TD is operating properly With the towfish connected and system operat ing listen for clicking sounds from the transducers at a rate set by the Range command If there is no clicking check the 1 32 ampere fuse located on the rear panel next to the towfish connector If the fuse is okay check for 800 VDC on the towfish connector pin C with pin B as reference Next check for the appropriate Trigger signal on pin F It is be advisable to remove the fuse before making this last measurement to remove the high voltage on the connector If the vol
80. t amp Circuit Diagrams 7 PARTS LIST 7 1 GENERAL This section includes only the replaceable components of the 4100 Refer to Appendix C for those additional parts associated with a particular sonar processor Orders for replacement parts should be addressed to EdgeTech 4 Little Brook Road West Wareham MA 02576 Tel 508 291 0057 Fax 508 291 2491 Email sales edgetech com It is imperative that the following information be supplied with each order Part Number Part Description Reference Designation Assembly Model Number Serial Number When equipment is to be returned to the factory for repair or evaluation notify EdgeTech in advance for a Return Material Authorization RMA number to be used in all shipments and correspondence to efficiently track the equipment 7 1 Model 4100 Sonar Processor Parts List amp Circuit Diagrams 2 Edgelech A division of EdgeOne LLC 7 2 PARTS LIST MODEL 4100 4100 Topside System A958500 01 4100 Processor Unit D958507 01 Drives DVD RW 181587 AQ GB iussis 171255 20 CI EE 191140 Floppy sess neun 171158 Power Supply CPU 180157 PWB HV PS 200 0000092 1000 Processor Boards ACL EE C958434 Netlink 200 0000090 1000 NetBurner 040 NETBURN 1000 Ethernet 192236 CPU edulis ta 190942 Kall 171344 Rear Plate Assembly C958534 Connector Towfis
81. tage and trig ger are okay the problem is in either the towfish or towcable The next thing to check is the ACI card and sonar processor with the onboard ACI test signal When enabled a repeating sequence of 8 constant amplitude bars are generated after an initial t bar and water column delay If the 4100 s display scrolls but there is no test signal check for the sequence of test bars at the outputs of the PORT and STBD BNC connectors If they are present the problem is in either the Netlink NetBurner cards or the digital portion of the ACI card If the test bars are not present check the ACI card If the display doesn t scroll check for the presence of a trigger signal at the TRIGGER BNC con nector If no trigger signal check the ACI card Also verify that the Trigger signal is enabled and has not been commanded to turn off by the processor Turn the Power off and then back on to set the ACI to the default Trigger On mode The next item to check are the Netlink NetBurner circuit boards by replacing them NetBurner first with known good ones There are no serviceable parts on these cards nor are there any con venient diagnostic test points 6 3 7 7 Unbalanced Sonar Display An unbalanced sonar display may be due to one or a combination of several factors A towfish or ACI receiver gain and or transducer sensitivity may have changed or the seafloor may have an across track sloping bottom For a sloping bottom there is not much you ca
82. the Fish power If no valid status string arrives during a 10 second interval Netlink considers the ACI command status port broken and turns OFF the Fish power 4100Topsides In 560A Topsides the Netlink Module responds to User input via the Front Panel switch to turn the Fish Power on off When the 560A Topside is powered off the Fish power switch always defaults to the Fish power OFF position When the 560A Topside is powered on the Fish power switch is always in the default OFF position A SA Edgelech Arr B Mei Minn 3 Physical Interfaces COMMAND SERIAL 1 PAL IRQS O lt DATA PC0 PC15 RD PA0 PA5 x PA11 LL a z O SWITCH FISH POWER SWITCH 0 OFF 1 ON X gt IRQ1 v eo O k lt JUMPER SYSTEM TYPE 0 560A 1 560P IRQ3 LL a d LLI LED Le ACI LINK LED lt 0 ON 1 OFF Ge SE c m ETHER LINK LED 0 ON 1 OFF A LED lt e PB3 LLI FISH POWER A 0 ON 1 OFF POWER ELM ETHERNET DEBUG RS 232 gt SERIAL 0 Figure 2 Netlink Interface Block Diagram B 5 A Edgelech A division el Victor geleckt Arria B Mou Mar 3 1 Netlink Power Netlink J 9 Power Standard 4 pin Floppy Drive power connector Netlink Module Power Supply requirements 5 V 1A NETLI NK POWER NETLI NK J 9 LABEL PIN LABEL 12V 1 GND 2 GND 3 5V 4 5V Netburner j 1 J2 Power Netburner Power Supply req
83. tive component without a trial and error component replacement procedure For this reason it is highly recommended that a spare set of major components be kept on hand especially those that are unique to or modified by EdgeTech If the following checks do not identify or remedy the problem attempt to isolate the failure to one of the system components As noted above substituting components may be the only way to iden tify faulty devices Remember to substitute an identical unit If not different software drivers may have to be installed or the CMOS BIOS may have to change 6 3 SYSTEM TROUBLESHOOTING 6 3 1 Setup Make sure that the 4100 is correctly configured for the 272 T TD towfish From outward appear ances the 4100 is similar to the EdgeTech models 560D and 560AD Troubleshooting and Repair son ot apre LLC Model 4100 Sonar Processor a Edgelech 6 3 2 Turn On The 4100 processor may hang up at times during power turn on when operating from a generator or inverter that cannot take the initial power surge This is especially true when both the processor and monitor are electrically linked to turn on at the same time During turn on the line voltage momentarily drops out causing a glitch in the processor s power supply This glitch may cause the processor to go to that never never land where there is nothing that you can do to recover from either the front panel or keyboard When this happens turn off the monitor Then
84. uirements 3V3 0 IA NETBURNER POWER NETBURN J 1 J 2 LABEL J1 PIN J2 PIN LABEL GND 1 1 GND 2 14 49 46 50 49 3V3 3 2 VCC3V 48 50 B 6 A ga Edgelech Arria B Meu MODOLE A SA Eagelech Arr 6 BECIUP RCETORE Appendix C EdgeTech System Backup and Restore A sa Edgelech Aerm amp BACLUP RESTORE EdgeTech System Backup Restore Overview EdgeTech ships newer Windows XP based Computers with the Norton Ghost CD included and the Norton Ghost software preinstalled Older systems shipped with the PowerQuest Drive Image CD included and the PowerQuest Drive Image software preinstalled At the time of writing this document EdgeTech preinstalled and shipped Symantec s Norton Ghost 9 0 The Drive Backup wizard of the Norton Ghost or PowerQuest Drive Image software is used to create a backup image of the hard drive of an EdgeTech Windows XP based Computer onto DVD storage media The System Restore Wizard of the Symantec Recovery Disk or PowerQuest Recovery Environment is used to restore the backup image from the DVD storage media onto an existing or replacement hard drive Target Drive of an EdgeTech Windows XP based Computer The Norton Ghost and PowerQuest Drive Image backup procedures are almost identical and only the Norton Ghost backup instructions are shown in this document The differences between the restore procedures for the Symantec Recovery Disk and PowerQuest Recovery Environment a
85. ull 80 to 140 and 175 to 265 VAC ranges If it is replaced with a non universal type the power cord should be tagged with the operating voltage to prevent an operator from connecting it to the wrong line voltage and damag ing the supply 6 3 5 2 Tow Fish Supply N CAUTION Use caution when servicing taking measurements on and working near the towfish s HV Power Supply Although it is current limited injury can occur due to the body s automatic reflex when coming into contact with high voltage Due to the presence of high voltage on the towfish connector use similar caution when working near or making measurements on this connector It is advisable to remove the towfish fuse to eliminate any high voltage on this connector This unit provides high voltage power to the dual channel towfish receiver and transmitter It con sists of a circuit board mounted in the 4100 chassis The voltage is not adjustable Two fuses protect this supply One is located on the circuit board at the low voltage input to pro tect against the supply shorting The second fuse is in series with the high voltage output It is lo cated on the rear panel This 1 32 ampere fuse protects the supply if there is high cable leakage 6 3 A Model 4100 Gonar Processor Edgelech Troubleshooting and Repair D se tig Towfish voltage is fixed at around 750 to 800 VDC depending on load Take caution when measuring this voltage or servicing the supply For safety remove
86. uration of the line This bit can be used to indicate the start of a line for both real time or post processing It may be also be used to group samples within a line A 3 2 4 OPERATING MODES An onboard jumper establishes whether the output data transfer is continuous or controlled by a handshake signal from the host processor A 3 2 4 1 DMA Handshake Mode At the start of a new line IRQ is asserted The host processor using IRQ as an interrupt initializes for DMA transfer When data is available DRQ is asserted notifying the host that data transfer can start The data byte is output when the host asserts DACK and is stable for read in by the host at the trailing edge If that is the only data byte available DRQ will reset notifying the host that there is no more data available If on the other hand data is still available in the FIFO DRQ will remain asserted signifying to the host that it can continue data transfer until the buffer empties A 3 2 4 2 Continuous Mode default Data is continuously loaded and transferred to the output buffer as it is sampled The FIFO is not utilized Neither is the DACK handshake signal from the host IRQ is asserted at the start of a new line and DRQ is asserted when data is available RD is used by the host to synchronize data readout from each channel The host must maintain the word transfer rate for the two channels in order to keep up with data sampling A 3 3 DSP Serial Data Output The high spee

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