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Furuno CSH-53 Radar Detector User Manual

1. 14 2 MAINTENANCE Display Umt 15 1 Holl Umt m 15 2 MENU wg iz 1 SPECIFICATIONS ccssssessseseeseeseeseessessesssssssssnesseeseensereeseenss SP 1 8 amc T IN 1 FOREWORD A Word to CSH 53 Owners Congratulations on your choice of FURUNO CSH 53 Color Scanning Sonar We are confident you will see why the FURUNO name has become synonymous with quality and reliability For over 40 years FURUNO Electric Company has enjoyed an enviable reputation for qual ity marine electronics equipment This dedication to excellence is furthered by our exten sive global network of agents and dealers This equipment is designed and constructed to meet the rigorous demands of the marine environment However no machine can perform its intended function unless operated and maintained properly Please carefully read and follow the recommended procedures for op eration and maintenance We would appreciate hearing from you the end user about whether we are achieving our purposes Thank you for considering and purchasing FURUNO equipment Features The FURUNO 53 Color Scanning Sonar is a full circle multibeam electronic scan ning sonar which detects and instantaneously displays fish schools and underwater condi tions in 16 colors on a 15 non glare high resolution CRT screen The main features of the CSH 53 are
2. Figure 14 2 How to measure distances between transmitters How to set net sonde transmitter distances 1 Press the MENU key while pressing and holding down The DATA SET menu appears SET MENU NET SONDE SONDE XMTR Select item with 4 keys and press MENU key Press END key to close menu Qty 4 Setting range 0 to 10 gt Distance 0 om 4 Setting range to 9990m gt 1 5 o fom ES Figure 14 3 Data set menu 2 Select NET SONDE and then Net Sonde XMTR 3 Enter number of net sonde transmitters and their distances between them 14 2 MAINTENANCE A DANGER Do not work inside the equipment unless totally familiar with electrical circuits Hazardous voltage which will cause death or serious injury exists inside the equipment Display Unit Maintenance Handle the equipment with care Clean the screen and filter Keep heater away from the regularly Cover the equipment equipment when it is not in use An anti static spray may be used Heat can damage the to clean the screen Do not use DISPLAY UNIT equipment Allow sufficient chemical based cleaners they can ventilation remove paint and markings Figure 15 1 Display Unit Maintenanc Keep magnets and cassette tapes away from the display unit Magnets or magnetic material can can distort the picture 15 1 Hull Unit Maintenance
3. 7 14 TV Gs erect riso feb eret a se 3 1 wien alle ITE 3 5 U User Menu eese etes eere sete 5 1 User Menu renes 10 1 VER deett oet Actes 3 6
4. Item Description ECHO TEST Display Test Checks the display unit without connection of other units A test pattern is displayed Demonstration Reserved for future use E S NET REC E S Audio Scale Displays depth scale on right or left side of echo sounder display ES Draft Adjust Sets ship s draft to read true depth on echo sounder display ES 2 Select Selects equipment connected to ES 2 port echo sounder or net recorder Net Rec Range Sets sounding range of net recorder transmitter unit DEFAULTS Defaults Restores default settings Program Recalls Reserved for future use 5 12 FUNCTION KEYS Similar to the quick dialing function on a telephone the five function keys F1 F3 on the main panel record control and menu settings and replay them back exactly as programmed The items you can program are gain display mode TX ON OFF USER menu SYSTEM menu DATA SET menus and data setting win dow The function keys are useful for quickly setting up the so nar for a specific purpose such as seabed detection Programming the Function Keys 1 Tune the sonar as desired 2 Press the MENU key 3 Selectthe FUNCTION KEY menu and press the MENU key USER MENU FUNCTION KEY Press MENU key to register customized settings to FUNCTION keys F1 to F3 Press END key to close menu Register Execute Figure 6 1 FUNCTION KEY menu 4 Press the MENU key again USER MENU FUNCTION KEY R
5. eee 5 8 Data Setting Window sess 1 5 Display Mode impie 2 2 Echo Sounder Combination Display 4 2 Eliminating Unwanted Feeble Echoes 3 1 Estimate Mark iuueni 4 6 Byent 7 12 15 here 11 4 Fish Alati ate 7 8 Fish Marke the eerie 4 5 Fish 4 5 Fish School attente tede dose 11 2 Fish School Center 7 1 Fish School Speed 7 11 Fish Tracking eee 7 3 E shift c mite fee gei 3 6 Funcuon Key eerte ente 6 1 GAIN 2 7 H Heading tritt eres 4 4 Heading Mark eene 4 5 History Display eene 4 3 HOR iai tere rt re A te oe ta 3 6 Horizontal Slice Display 8 2 INIT SET TEST menu 5 11 Interface Unit us enn 13 5 hn eet 11 4 Interference Rejector IR 3 5 M Man Panela 5 8 SERI 1 2 Marks and Data 4 1 Memory Card 9 Memory Card Initialization 9 1 ete 1 IN 1 Data ai Net ias 4 6 Net Be liaviot cate naeh 7 16 Net Location Mark
6. OPERATOR S MANUAL COLOR SCANNING SONAR MODEL CSH 53 FURUNO ELECTRIC LTD NISHINOMIYA JAPAN FURUNO ELECTRIC CO LTD Your Local Agent Dealer 9 52 Ashihara cho Nishinomiya Japan Telephone 0798 65 2111 Telefax 0798 65 4200 All rights reserved Printed in Japan FIRST EDITION JUL 1997 APR 04 2002 mn DAMI CSH 53 00080807300 OME13070D00 A SAFETY INSTRUCTIONS A WARNING Do not open the equipment Hazardous voltage which can cause electrical shock burn or serious injury exists inside the equipment Only qualified personnel should work inside the equipment Do not disassemble or modify the equipment Fire electrical shock or serious injury can result Turn off the power immediately if water leaks into the equipment or the equip ment is emitting smoke or fire Continued use of the equipment can cause fire or electrical shock Do not place liquid filled containers on the top of the equipment Fire or electrical shock can result if a liquid spills into the equipment Do not operate the equipment with wet hands Electrical shock can result Keep heater away from equipment Heat can alter equipment shape and melt the power cord which can cause fire or electrical shock A CAUTION Use the proper fuse Use of a wrong fuse can result in fire or permanent equipment damage Do not use the equipment for other than its inte
7. Vivid 16 color display provides intuitive recognition of seabed and concentration distri bution and volume of fish schools Markers and indications keep the operator abreast of fishing conditions Remote control box provides for armchair control of major functions New gain range or tilt setting appears in large characters whenever corresponding con trol is adjusted Function keys automatically setup the equipment to perform specific task High power MOS FET transmitter ensures reliable operation under any condition System Configuration STANDARD REMOTE CONTROL BOX CSH 135 OPTION REMOTE DISPLAY CSH 106 SUB DISPLAY CSH 536 DISPLAY UNIT CSH 530 pre c cT ir SHIP S MAINS 100 VAC 12 50 60 Hz TRANSMITTER UNIT CSH 551 15 50 60 Hz INTERFACE UNIT CS 120A HULL UNIT w RECEIVER UNIT CSH 552 e 1100 Melodie amp FNZ JOINT BOX Menas 5 170 CSH 5508 800 mm stroke CSH 5512 1200 mm stroke vi SHIP S MAINS 100 VAC 12 50 60 Hz 110 115 220 230 1 STEP DOWN TRANSFORMER PT 400 SPEED LOG AD CONVERTER NAVIGATOR CURRENT INDICATOR COLOR VIDEO SOUNDER INTERFACE UNIT ECHO SOUNDER COLOR VIDEO SOUNDER NET SONDE CONTROL DESCRIPTION C
8. gt Io If the readout shows 0 the unit is functioning properly If it is not working properly any of the following nine numerals or six alphabets appear IL 1 d 2 1 _ E Figure 13 8 unit CS 120A cover opened 13 5 This page is intentionally left blank INPUT DATA SELECTION Selection of Data on Interface Unit CS 120A na vee Standard setting 8 9 S v c 2 53 54 55 Nav data and fish data input from external equipment be turned on or off at DIP switch DP 1 in the Interface Unit CS 120A Ship s speed and bearing for track plotting true motion target lock etc Input Device 51 82 Select navigation which feeds Gyrocompass Speed log ag data ship s track switc and S2 GPS or DR Note 1 y DR or Current Indicator Note 2 Note 1 GPS has priority Switched automatically from GPS to DR when GPS data is absent for more than 61 seconds or ship s speed measured with GPS is 0 2 kts or less If DR is not available when switched from GPS to DR heading readout is fixed at 0 degrees and ship s track is plotted by using the last GPS data obtained before switching to DR If you still require speed heading data from GPS even though ship s speed is less than 0 2 kts set the GPS forrnat to DR Note however that the
9. A w Current Y w Current Current Flow Dir L SAVE PICTURE Save Method Execute Execute Execute Execute Execute Execute Execute ON OFF ON OFF ON OFF Depth Temp OFF ON OFF Current Sonde ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF Audio PRT STBD H SI ON OFF ON OFF ON OFF ON OFF From To Whole Est Save ice A 1 DATA SET Menu DATA SET MENU COLOR CURVE I 4 Sonar 1 A 2 CHANGE COLOR 1 1 Sonar 2 I Echo Sounder 1 1 Echo Sounder 2 NET SHOOT PLAN Net Diameter 1 Echo Sounder Marks 1 Tilt Interlock NET SONDE Net Sonde I Net Length 1 Wire Length Net Width NET PLOT CORR Layer 1 Layer 2 Layer 3 Execute Execute Execute Execute Execute Execute Setting range 200 1000 m ON OFF Execute Qty plus distances Setting range 0 3000 m Setting range 0 1000 m Setting range 0 200 m Setting range 0 100 INIT SET TEST Menu INIT SET TEST MENU HEADING ADJ H Heading Adjust BAUD RATE CS 120 1 Aux
10. Apply MOLYTONE grease 2 every six months CN AN i Raise transducer and coat main shaft with DAPHAECOROAEX 2 every six months LU A CAUTION The zinc block near the transducer must be replaced yearly Dry dock ship and clean transducer face yearly The junction between the transducer Apply single coat of MARINE STAR 20 Mod and main shaft may corrode which can result in loss of the transducer or Red N anti foulant to transducer face to keep water leakage inside the ship HULL UNIT marine life off the transducer Figure 15 2 Hull Unit Maintenance 15 2 MENU TREE USER Menu USER MENU CARD UTILITY CARD ECHO DAT List Save Delete Initialize Save CARD NET DATA Save I FUNCTION KEY Register L JDATA DISPLAY Event Mark 1 Event Mark 2 Fish Mark On Track Data Text Window ES Window MARK DSP 1 Range Bearing MARK DSP 2 HIST DSP GRPH Heading Mark Range Rings Bearing Scale Auto Scan Width E E Auto Train Width Ship s Track Net Movement Plot Fish MK Connect Fish Tracking MK Fish Track Plot Hist Window Dsp 4 Fish Histogram CURRENT VEC 2 w Current
11. 180 previous page INTERLOCK Tilt ON OFF Range ON OF Event Mark ON OFF I Fish Mark ON OFF Net Shoot Mark ON OFF Target Lock ON OFF DEFAULTS Defaults Execute A 5 This page is intentionally left blank SPECIFICATIONS Model CSH 53 28 Freq 28 kHz 50 Freq 50 kHz 1 GENERAL 1 Range TX Cycle Pulselength Frequency Range m Pulselength 28 kHz 50 kHz Off center OFF Off center ON msec 0 09 0 32 0 14 0 39 0 21 0 53 0 28 0 64 0 41 0 85 0 54 1 06 0 68 1 28 0 81 1 49 1 08 1 92 1 34 2 34 1 61 2 77 2 14 3 62 2 68 4 48 4 00 6 69 lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt 1 Transmission cycle is selectable in 10 steps 2 External keying pulse can be used as a trigger 3 Maximum range scale does not mean maximum range Detection capability depends on nature of fish school and sea condition 2 Audio Search Sector 30 60 90 180 330 selectable Method By built in loudspeaker Output 2 Frequency 1 1 kHz with reverberation effect SP 1 3 Transceiver Transmitter Receiver High power MOS FET amplifier with 10 step power reduction switch Low noise superheterodyne continuously scanning beam forming TVG AGC signal processing interference rejecter
12. How net shooting data is saved The unit starts accumulating net shooting data when the SHOOT key is pressed When net shooting is concluded by pressing the SHOOT key again the echo inside the estimate mark and other net shooting data are saved to the internal memory Note how ever that if ship s movement between pressings of the SHOOT key is less than 1 3 of the net length the unit judges that net shooting is suspended and does not save net shooting data Transferring net shooting data to memory card 1 Press the MENU key 2 Press arrow keys to select CARD NET DATA and press the MENU key 3 If desired according to on screen instructions select fish species to be added to net shooting data as a comment and then press the MENU key 4 If desired enter fish quantity estimate by a selecting number with up or down arrow key b selecting place with right or left arrow key c registering value by pressing the MENU key Net shooting data contents Net shooting data is comprised of the following Echoes inside estimate mark the ones which are displayed the first time the SHOOT key is pressed Ship s position date time Ship s track net movement current direction water depth and or water temperature Net sonde mark 9 3 Replaying Saved Data Whole picture or echo inside estimate mark 1 2 3 Press the RECALL key on the main panel Press the right or left arrow key in sub panel 1 to select it
13. The higher the setting the longer the afterglow remains 16 Po 0 0 1 colors specified ON Eliminates interference by other OFF or echo sounders Each pressing erases oldest mark DELETE among event mark 1 event mark MARK 2 fish mark own ship mark DELETE MK DELETE MARK Each pressing deletes 1 5 of overall length 2AGC and HOR functions cannot be used together If one is used the other is automatically set to 0 Continued on next page 1 6 Item Setting hate Normal Description Item Main Sub Range Setting SONAR 12 Choose 1 for single sonar or 1 2 for dual sonar Shifts Tx frequency Choose 1 SONAR A for normal use 1 Selects presentation mode UP TM among North up Nup Heading Hup SONR BEAM up Hup True Motion TM Sets horizontal beamwidth of Rx HOR 0 10 beam The higher the number 0 the narrower the beam BEAM NAR Suppresses sea surface ROW 1 10 reflections by reducing vertical 2 Rx beamwidth ON OFF ON OFF Tums on off scanning tilt angle OFF AUTO in 2 steps TILT Chooses automatic tilt width 5 95 2 12 is the normal setting AUTO ON OFF ON OFF Turns on off scanning EBL OFF which scans audio sector AUTO SCAN Chooses automatic scanning WIDTH width among 10 20 40 10 and 60 ON OFF ON OFF Turns fish alarm on off OFF S
14. 8 Setting range 1 to 10 Set fish speed which cancels target lock Set distance at which to Fish Speed Limit 5kt Setting range 1 to 15 Fish Track Window 10m Setting range 2 to 20 race fieh schodl track Choose update interval for fish speed readout Fish Spd Update 1s sec 30 45 60 sec Choose size of target track Target LK Window Norma Large Largest window not shown Figure 7 5 Target lock menu 5 Press the up or down arrow key to choose item right or left arrow key to set option 6 Press the END key several times to close the menu 7 5 7 6 Description of target lock items TrackingMethod Sets target lock function target lock mark fish or automatic Track Echo Color Sets minimum echo signal level to track A fish school whose signal level is above the level set here is tracked Fish Speed Limit Sets fish speed at which target lock is cancelled Fish Track Window Set distance at which to track fish school s track when it exits the tracking window Fish Speed Update Selects update interval of fish speed readout 5 10 20 or 30 sec onds Target Lock Window Sets size of target lock window The window itself is not show on the display NORMAL 32 x 32 LARGE 64 x 64 LARGEST 128 x 128 Detecting Fish Schools Aurally Sometimes you may be preoccupied with
15. Color You can delete undesired echoes and noise in certain colors from the display This is useful for eliminating noise and detecting large fish schools The setting range is 0 to 10 If you want to delete echoes displayed in colors weaker than the 5th weakest color for example set to 4 FAR TVG Far TVG Curve Selects suitable FAR TVG curve to compensate for propagation loss of sound at 100 m or farther 30log is the normal setting 25log Suitable for searching small bottom fish in shallow water or near coastline 30log Standard setting 35log and 40log setting also available TM DSP TM Display Range Selects a display range in the true motion display from 1 3R and 1 6R Note To enable KP synchronization open sub panel 2 choose TVG TX and TRANSMIT and then set CYCLE to TARGET LOCK Tracking Method This option determines what item to track in target lock target lock mark or fish echo Track Echo Color Select the weakest color to track in the target lock function The setting range is 1 to 15 corresponding to the 16 display colors 10 is the recommended setting where 10th to 16th reddish brown color echoes are tracked Tracking Factor Determine which fish to track by relative echo strength when multiple fish schools appear in the tracking window 10 is the normal setting Disable TGT Lock Set the number of Tx cycles to search lost fish school before quitting targe
16. MARKS AND DATA Marks Data and Display Mode Normal display mode Heading Data Trackball Mark Data Slant Range Horizontal Range Depth True Bearing Range Data Tilt Angle Data Instantaneous tilt angle in automatic tilt or target lock Electronic Bearing Scale Bearing Mark Range Mark Fish Speed Mark Latest Fish Mark Trackball Mark Heading Mark North Mark Latest Event Mark Older Event Mark Own Ship s Mark Estimate Data Ship s Track Water Depth or Water Temperature Range Ring Data Range Ring Event Mark Data Horizontal Range Present Depth Event Mark Depth True Bearing Fish Movement Data Distance Moved Course Slant Range to Range Mark True Bearing of Bearing Mark Requires external sensor Figure 4 1 Marks and data appearing in the normal display mode display mode w text Time from net shooting mark ON Distance run from net shooting mark ON Control Setting Requires external sensor Net Sonde Mark Older Fish Mark Current Mark Net Shooting Mark Own Ship s Position Data Latitude Navigational Data Longitude Ship s Speed Ship s Course Water Depth Water Temperature Sonde Data Current Data Current Speed Direction Layer Depth Figure 4 2 Marks and data appearing in the normal display mode w text Echo sounder combination quercum display E NS Requires external sensor Target Lo
17. Port 2 Aux Port 3 1 NMEA UNIT LANGUAGE KP Out Polarity L EXT KP Polarity Depth Dist for Shoot Water Temp Language SELF TEST Single Continuous Color SIO Gray I ECHO TEST ES Audio Scale Display Test L Demonstration ES Draft Adjust ES 2 Select Net Rec Range DEFAULTS Defaults L Program Recall Setting range 0 359 2400 4800 bps 2400 4800 bps 2400 4800 bps 2400 4800 bps 4800 9600 bps Negative Positive Negative Positive Meter Feet Fathom Passi Mile Meter Feet F English Japanese Korean Execute Execute Execute Execute Execute Execute Execute Execute Left Right Setting range 0 10 m ES Net Rec Setting range 80 640 m Execute Execute A 3 SYSTEM Menu SYSTEM MENU SIGNAL PROCESS Smooth Echo Rng Setting range 0 to 3 Smooth Echo Cir Setting range 0 to 3 Delete Color Setting range 1 to 10 FAR TVG Far TVG Curve 25log 30log 35log 40log TM DSP I TM Display Range 1 3R 1 6R TARGET LOCK Tracking Method TGT Mark Fish Track Ec
18. be displayed The unit marks the latest one by lt p for event mark 1 and by X for event mark 2 Older event marks are displayed by a cross plus event number event mark 1 or an inverted Y with event number event mark 2 When you enter more than ten event marks the unit erases the oldest mark one by one D 4 4 4 QA k X Latest Figure 7 10 Event marks Entering an event mark 1 Set the trackball mark where you want to place an event mark latest event mark 2 Press an EVENT key The horizontal range depth and bear ing to the event mark appear at the bottom left corner of the screen 234 Horizontal range m from own ship mark 419 Present depth m to mark 35 Depth m of mark at moment EVENT key is pressed B265 Present bearing degree Bottom left hand corner of screen Stored when EVENT key is pressed LOS oq You observe picture from direction of JL mark Figure 7 11 Event mark description Plotting an event mark on the display is equivalent to dropping a buoy with an anchoring chain that extends from surface to bot tom The buoy is fixed at its present geographical location but the marker on the display moves to a point where present beam plane intersects the anchor chain of the buoy as the ship moves or the tilt angle is changed This can be said of other marks as well such as fish mark and trackball mark Erasing an event mark Open the da
19. data ship s speed heading water depth water tempera ture Own ship s position latitude longitude Net sonde data net depth distance to seabed water temperature sinking speed of net 6 Features Custom mode interference rejector afterglow noise limiter delete color memory card save and recall of picture echo inside estimate mark and net shooting data automatic tilt automatic target tracking target lock external KP sync heading up north up fish alarm overvoltage warning unretracted transducer warning remote control External sensor required 3 HULL UNIT XDCR Travel 600 mm 800 mm 800 mm 1200 mm Raising Time 16 sec 22 sec Lowering Time 15 sec 20 sec Driving System Remote electric control Allowable ship s speed 18 knots 15 knots during raise lower operation 4 POWER CONSUMPTION 100 50 60Hz 1 500VA on average 1 max 110 115 120 200 2 10 220 230 240VAC operation available with stepdown transformer PT 400 for display unit 5 EMBIRONMENTAL CONDITION 1 Temperature 0 C to 50 2 Relative Humidity 85 or less 6 COATING COLOR 1 Display Unit N3 0 Newton No 5 for front panel Munsell 2 5GY 5 1 5 for cabinet 2 Transceiver Unit and Hull Unit Munsell 2 5G 7 2 Newton No 5 SP 3 N 3 3 3 3 AIO 7 7 1 7 Clor eee in Biss 4 7 DATA SET Menu
20. echo sounder combination mode automatically changes to ship s speed dependent advance rate from the moment the SHOOT key is pressed provided there is speed log input The E S picture advance range data shows the distance between the right and left edges of the echo sounder picture window in the ship s speed dependent advance Since the net length plus wire length set on the DATA SET menu is used as this distance data the echograms obtained during casting the net are displayed just across the E S window Set net length and wire length on NET SONDE in the DATA SET menu Control Setting When the switches listed below are operated the new setting is noted at the top of the screen in larger characters for five seconds The auto tilt width and auto scan width also appear upon turning on the AUTO TILT and AUTO SCAN functions Control Display Control Display RANGE R AUTO TILT 0 TILT T AUTO SCAN GAIN BRILL TVG TVGLJ L DIM TX TX Color Bar E S Range Scale The 16 color bar appears at the right hand edge in the echo sounder and history displays The range scale for the echo sounder picture appears in the echo sounder combination mode You can display it on the right or left side of the screen by selecting ES NET REC on the INIT SET TEST menu 4 7 This page is intentionally left blank MENU OVERVIEW Ma
21. fish school in the center of the sonar beam namely fish school is displayed in strongest colors possible Confirm that the fish echo is displayed in the same color as it approaches If the color suddenly changes to weaker colors as the fish enters MEDIUM and NEAR areas the TVG is improperly set Adjust the TVG If this again produces sea surface reflections and noise try to re move them with AGC and NL controls Note If the above procedure does not produce satisfactory re sults the TVG curve can be changed on the SYSTEM menu The 15 log setting is useful for searching fish schools near shore lines or shallow waters The 30 log setting raises the gain on a long range and is suitable for tuna and bonito which are usually searched with high gain setting Suppressing Seabed Tail AGC data setting window SIGNAL SIGNAL PROCESS The AGC functions to automatically reduce the receiver gain only against strong echoes such as the seabed or a large fish school Since weak echoes remain unaffected a small fish school becomes easier to detect Adjust it so that the AGC works only on seabed reflections Do not set it too high weak echoes may be missed Pulselength data setting window TVG TX PL The pulselength control determines the length of the transmis sion pulse emitted into the water While a longer pulse is advan tageous for long range sounding it has the disadvantage of being poor in discrimination of targets that is ab
22. marks can be displayed When more than ten marks are entered the Event Mark oldest is erased to make room for the latest LE Latest Event Mark Data lt The position data of latest event mark that is horizontal range current depth and bearing shows the latest event mark s original depth and remains unchanged regardless of ship s movement or tilt angle When the event mark is erased the above data disappears from the screen To erase an event mark place the trackball mark on the event mark and press the EVENT key Continued on next page 4 4 Mark Data Description Latest Fish Mark These marks are inscribed on the screen by pressing the FISH key gt Ten fish marks be displayed Each time the key is pressed the fish marks change on the screen as follows Fish Speed Mark Ist press of FISH key 2nd press of FISH key lt gt Fish Mark 3rd press of FISH key 4th press of FISH key Fish Movement Fish movement from the fish speed mark gt to the latest fish marker lt gt is shown by distance course C and speed S at the lower Qo right corner of the screen d Bearing and Range These marks are used for monitoring echoes through the loudspeaker Marks and also for displaying horizontal slice picture If
23. marks are displayed on the net shooting mark J and net sonde marks CD U The current markers shows tidal current sped in three layers 1 3 selected on the current indicator The tidal current speed is shown by the length of the current mark Note however that no current mark appears if the tidal current speed is less than 0 2 kts Current direction can be shown as to or from by selecting CURRENT VEC Current Flow Dir on the USER menu In the normal mode with text speed direction and depth of the current are shown for three layers C1 C2 C3 In the echo sounder and history modes only the speed appears C1 C2 C3 on the echo sounder or history display Net Sonde Data When the net sonde is connected the depth of the net sonde trans 1 000 mitters appears in the text window echo sounder or audio area 52 53 Nav Data With appropriate sensors speed S course C water depth D and 55 09 water temperature can be displayed on the text window echo sounder combination display or history display D T Own Ship Data With navigation input position can be displayed in latitude and long o IN itude in the normal mode only j OOE Estimate Mark C2 Estimate mark data The estimate mark gives relative fish quantity Press the ESTIMAT
24. next page 5 9 Menu Item Description NET SHOOT PLAN Net Diameter Sets estimated ship s turn diameter necessary for shooting net to get accurate depiction of net location mark which you can display by pressing the NET COURSE key The setting range is 200 to 1000 meters in 10 meter steps Tilt Interlock Choose ON to interlock diameter of net location mark with tilt angle When you lower the tilt angle the on screen net location mark enlarges For example the net diameter is set for R meters When the tilt angle is 45 the diameter of the on screen net is 2 R meters NET SONDE Net Sonde XMTR Enter number of net sonde transmitters and their distances between each other Net Length Enter net length The setting range is 500 to 3000 meters in 100 meter steps Wire Length Enter wire length between own ship and net The setting range is 100 to 1000 meters in 100 meter steps Net Width Enter net width The setting range is 0 to 100 meters NET PLOT CORR Layer 1 The movement of the net during net shooting Layer 2 is plotted by using water current speed and Layer 3 direction fed from external sensor The external sensor feeds that data for three depths layers thus net movement will be different at each layer Determine degree of difference among layers considering net sea conditions vessel construction etc If 50 is set for example on screen net moves at speed
25. other tasks and unable to concentrate on watching the sonar picture In such cases it would be a good choice to use the audio function This function enables you to monitor echoes from fish schools and seabed through the built in speaker After you ve become accustomed to monitoring fish aurally you should be able to detect a fish school from a range longer than you can detect it on the screen In addition you may judge whether the fish school is approaching or going away the tone becomes higher when the school is approaching and lowers when the school is going away 1 Operate the trackball to place the trackball mark to the direc tion you want to monitor through the speaker 2 Press the R B key The bearing mark appears on the display Echoes in a 30 60 90 180 or 330 sector centering the bearing mark are monitored through the speaker You can adjust speaker volume with the AUDIO control 3 To change coverage area open the data setting window sub panel 2 and change width of AUDIO SECTOR 4 To scan the coverage area open the data setting window turn on AUTO SCAN and set scanning WIDTH Note You can display the signal monitored through the loud speaker on the history display combination window by pressing the HIST key if AUDIO is selected on the HIST Window DSP menu in the USER menu 7 7 The Fish Alarm 7 8 The fish alarm sounds an audible alarm when a fish echo above a preset strength enters an ala
26. sea surface and one half of the emitted sound goes upward toward the sea surface This causes one half of the emitted sound to be reflected toward the transducer and displayed on the screen as sea surface reflec tions When the sea is calm since the sound is reflected just like a light hitting a mirror at a narrow incident angle it propagates away and the sea surface reflections become negligible However if the sea is not calm enough they will become domi nant and interfere with observation of wanted echoes To mini mize these sea surface reflections and to search surface fish schools effectively the tilt angle is usually set between 5 and 6 degrees so the upper portion of the beam becomes almost paral lel with the sea surface When the sea is rough it is often set to a little larger angle Surface Tilt angle 0 15 Tilt angle 5 6 15 Figure 2 2 Tilt angle and sea surface reflections 2 5 Suitable tilt angle The figure below illustrates the relationship among tilt angle depth and detection range Refer to it to find out the suitable tilt angle for a given depth detection range Tilt angle and beam coverage 100 200 300 400 0 puri 200 400 600 800 20 40 I e 2 LL am AERE 80 160 Vertical width of sonar beam ydq Figure 2 3 Tilt angle and beam coverage 2 6 Adjusting
27. sess 7 15 Net Shooting Mark eese 9 4 Net Sonde Data sese 4 6 Net Sonde Mark eee 9 4 Net Sonde 14 2 onm 11 4 Noise Limiter NL 3 6 Normal Display Mode 4 1 Normal Display Mode w text 4 2 North aa 4 4 Overvoltage 12 1 Port starboard Display 8 1 Pulselength wate 3 3 R Range and Bearing esses 12 7 Range Ring uiu 4 5 Rejecting Sonar Interference 3 4 Remote Control Box sees 1 8 Saving the Picture esee 9 2 Seabed ierse erie 2 3 11 1 Sea Surface Reflection 11 3 Self T st inem vereint test 13 1 Ship s Track 4 6 Sidelobe 2 eret een 11 4 S b Panel 1 1 4 S Panel 25er re res 1 5 Suppressing Seabed 1 3 3 SYSTEM Menu eoe tree eene renes 5 5 Jarget Lock itn 5 6 Target Lock Mark esses 4 7 Tilt Angle one o 2 3 TIET L Ver 2 3 Trackball Mark eene 4 4 Transducer Warning esee 12 1 True Motion Display
28. target and the 2nd latest fish mark lt gt appears on the location selected at step 1 At the bottom left corner of the screen the distance between the two fish marks and fish school course and speed appear 4 If you want to delete fish marks and fish speed marks open data setting window select DELETE MK and then press the FISH key Latest fish mark EZ Fish movement Figure 7 9 How to measure fish speed Note 1 Movement is calculated using ship s speed and bearing inputs Accordingly pitching and rolling may affect the calcula tion For better results try the procedure two or three times to verify reliability Note 2 The time and distance between pressings of the FISH key should be as long as possible to increase accuracy of mea surement For more accurate measurement repeat the procedure two or three times 7 11 The Event Mark 7 12 Note 3 Each time the FISH key is pressed the latest fish mark and ship s speed mark change in the sequence shown below Fish key pressed once lt gt Fish key pressed twice Po lt gt Fish key pressed three times i L L Fish key pressed four times x The event mark is useful for finding the horizontal range depth and bearing to a location some distance from current position This function requires speed and heading inputs There are two types of event marks event mark 1 and event mark 2 10 of each type of mark can
29. the target lock Bearing E marker function is on the bearing marks follows the movement of the target p lock mark t Range marker Range and Bearing This data appears when the bearing and range marks are displayed Mark Data B 1 Heading Mark The heading mark is drawn with a dotted line Heading mark data 3f appears at the top of the screen Range Rings The range rings are inscribed at intervals of 1 4 of the range in use te Range ring data is also provided every two range rings The range ring interval can be changed from 1 4 to 1 2 through the menu Electronic Bearing The electronic bearing scale is available with gyrocompass connection Scale It rotates with own ship s movement Continued on next page 4 5 Mark Description Ship s Track Mark gt o S With gyrocompass or speed log connection own ship s track is plotted by a solid line The track length can be selected among 5 10 20 and 40 times the range When the length exceeds designated length the track is erased so that its length is equal to the designated length Tidal Current i 2 Mark Tidal Current Data Normal Mode C1 LI C2 0 C3 LI lt Combination Mode C1 C2 C3 This mark can be displayed with current indicator input The current
30. the mass shows the density of fish schools on the sonar beam To find distribution and center point of a fish school try several different tilt angles A Sea surface fish Tilt angle 5 to 10 Seabed echo not displayed because of narrow tilt angle Sea surface reflections are present Fish school Sea surface reflections B Midwater bottom fish Tilt angle 30 or more Fish echo which appears before seabed can be detected Seabed Fish school Large midwater fish school is present Tilt angle 0 to 20 Fish echo which appears together with or after seabed can be detected Fish school Seabed Figure 11 2 Fish schools Sea Surface Reflections To reduce sea surface reflections set the tilt angle to 5 or higher so the upper edge of the sonar beam does not hit the sea surface or adjust TVG When a narrow tilt angle is used sea surface reflections cover a large area as illustrated below Tilt angle indication Sea surface reflections Figure 11 3 Sea surface reflections Wake A wake produced by own ship or another ship can be a strong reflecting object when a narrow tilt angle is used As the wake appears as a thick continuous line it can be easily distinguished from a fish school A wake contains many air bubbles which attenuate ultrasonic energy making it difficult to sound beyond the wake Other SL NN SOP Own ship Own ship s screw noi
31. thickness of the target lock mark indicates fish speed and tracking status as shown below Target lock Meaning mark appearance Mark size indicates relative speed More than 5 Mark thickness shows tracking status Figure 7 3 Target lock mark appearance Erasing target lock mark Target lock marks may be erased as follows 1 Open the sub panel 2 2 Select DELETE MK 3 Press the key for DELETE MARK FISH Choosing target lock mode Two types of target lock are available target mark and fish Target mark Tracks the target lock mark changing range and tilt angle according to ship s movement The fish school itself is not tracked Fish tracking Tracks fish schoolis horizontal movement chang ing range and tilt to track movement Do the following to select target lock type 1 Open the sub panel 1 2 Press the MENU key while pressing the up arrow key in sub panel 1 to display the SYSTEM menu 3 Select TARGET LOCK and then press the MENU key 7 3 7 4 4 Select Tracking Method then press the MENU key 5 Select method desired 6 Press the END key several times to close the menu Tracking target lock mark 1 Operate the trackball to place the trackball mark on the fish school you want to track 2 Press the TARGET LOCK key to light the lamp above it The target lock mark appears on the fish school and tracking begins Tilt angle is automatically changed to keep t
32. up and down arrow keys in sub panel 1 to select menu item and the right and left arrow keys to select op tion 5 Press the END key to close the menu Press the key again to display picture Note The HELP key provides menu operating information Menu screen location and display mode Menu screen location depends on display mode as shown in the figure below Menu ES Mode Menu Figure 5 3 Menu screen location and display mode 5 2 USER Menu Description Table 5 1 User menu description UTILITY Deletes data from memory card Formats memory card CARD ECHO Save Saves echo inside estimate mark stored in internal DAT memory by MEMO key to memory card CARD NET Save Saves net shooting data stored in internal memory DATA to memory card Register Saves customized settings of range gain display FUNCTION KEY mode TX ON OFF user menu system menu and data set menu to function key Event Mark 1 Turns those marks on off ES Window selects Event Mark 2 display current data or net sonde data which are DATA DISPLAY Fish Mark displayed on the ES combination display while On Track Data shooting the net Text Window ES Window Range Bearing Turns those marks on off Note that turning off Heading Mark Range Bearing mark also turns off the data display MARKDsP Range Rings Bearing Scale Auto Scan Width Auto Train Width Ship s Track Turns those marks on off Ne
33. BOX ser met Senet 1 8 OPERATIONAL OVERVIEW the Power Ons 2 1 Adjusting Screen Brilliance Control Panel Backlighting onboard ds 2 1 Lowerng the ras BOUT 2 1 Selecting d Display lt 2 2 Selecting a Display 2 3 seine the Et AEG 2 3 Adjusting the ME M PEE 2 7 Measuring Range and Bearing to a ta AM EN US e ua D Cd UE 2 7 FINE TUNING THE PICTURE Eliminating Unwanted Feeble Echoes 3 1 5 Seabed aE E ENERET EEE EES 3 3 Suppressing Seabed and Sea Surface Reflections in Shallow Waters 3 4 Rejecting Sonar Interference INOISE 3 4 MARKS AND DATA Marks Data anid Display Mode 4 1 Permanently Displayed Marks and Data 4 3 Erdsable Marks oscoro 4 4 MENU OVERVIEW USER Men 5 1 USER Meng DOSCHIDUOR 5 3 SYSTEM Menu 5 5 DATA SET Menu 5 8 SET TEST Ment
34. DescriptiOl uie sia exin 5 11 FUNCTION KEYS Programming the Function Keys Ct e I ae Ran 6 1 Replaying q Puncaon I ey aestas nen tad i ae totu tau dacs 6 1 Key Fine Tuning E O 6 2 Saving Function Key Settings to a Memory 6 3 Replaying Function Key Settings from a Memory Card eene 6 3 ADVANCED LEVEL OPERATION Finding Fish Scneo Center tete teh etate eds 7 1 Tracking Fish Schoo eode top tet pot 7 2 Detecting Fish Schools Xutally i iar aeo ee istaec Ute REA 7 7 Th o Re re eh nies ae ENGL eg een E A 7 8 Relocating Fish School for Easy Observation ssssssseeeeeeeeeeeeen nennen 7 9 Comparing of Fish School Concentration eene 7 10 Measuring Fish School Speed 52525 eo utei 7 11 The Event 7 12 True Moton Display moet isi rt rb 7 14 Plotting Net Location Mark 7 15 Observing Ner Behavior ues Did abi 7 16 Reducing Sea Sutface ISetJeetiOfWsuc5so uoces 7 17 Boos ne TX POWER E 7 17 PORT STARBOARD HORIZONTAL SLICE DISPLAYS Port starbodtd DISplay 8 1 Horizontal Slice DI
35. E key The estimate mark data appears below the mark The fish amount is assessed as between and 100 where if the mark is filled with the strongest echo color reddish brown the amount is regarded as 100 The size of the estimate mark can be changed with MARK SIZE2 Estimate Mark on the SYSTEM menu Continued on next page 4 6 Mark Description Target Lock Mark The target lock mark automatically tracks the fish school selected by the operator This function requires speed and gyrocompass inputs Net Shooting Mark Press the SHOOT key at the instant you shoot the net to display the J net shooting mark on the display The net shooting mark is drawn at own ship s position the moment the key is pressed and moves on the Net Shooting Data own ship s track mark with ship s movement In addition to the E mark time elapsed and distance run in meters appears from the time the key is pressed The mark and its data remain on the screen until the SHOOT key is pressed again Net Sonde Mark These marks appear on the ship s track mark in order at set intervals when net sonde is connected In the echo sounder combination 10 pts max E S Picture Advance Range Data 1 8 0 0 mode they also appear in the echo sounder picture showing depth of the net sonde transmitters with bars extending from the marks Picture advance on the
36. EGISTER Customized settings are registered to FUNCTION keys Select key number with and press MENU key Press END key to return to sub menu In Figure 6 2 REGISTER menu 5 Press the up or down arrow key in the sub panel 1 to select the function key to program then press the MENU key 6 Press the END key several times to close the menu Replaying a Function Key Press function key F1 F3 desired Function Key Fine Tuning The function key fine tuning keys let you fine tune the items shown in the table on the next page when a function key is active Note Register function keys beforehand to use this function 1 Press desired function key The lamp above the function key pressed lights 2 Press the or key as appropriate the key to lower the setting to de emphasize echoes and the key to raise the setting to emphasize echoes The lamp above the key lights when the setting is 1 to 4 and the lamp above the key lights when the setting is 1 5 6 2 Fine Function Key Fine Tuning Adjustment fis 41 1 2 3 4 5 TVG Near S gt t olai Tai 4 TVG Mid 3 2 1 0 0 0 1 1 2 3 TVG Far 3 2 1 0 0 0 0 1 1 2 Tx Cycle 0 0 0 0 0 0 0 0 0 0 Tx Beamwidth 3 2 1 0 0 0 0 0 0 0 Tx Power 2 1 0 0 0 0 0 0 0 0 Saving Function Key Settings to a Memory Card 1 Press the MENU key 2 Select
37. KBALL Follows on screen movement of trackball mark to enter marks and off center the screen 1 3 Sub Panel 1 o S CARD Lon REPLAY REPLAYS T r3 E S HIST RECALL MEMO Figure 1 3 Sub panel 1 Sub panel 1 control description M Opens closes the menu END When the menu is displayed it terminates menu operation and returns control to the sonar picture When in a sub menu it returns to previous sub menu HELP Provides operating information for current menu dene CARD REPLAY Replays card stored control and menu settings COLOR Changes display color among four choices NET REPLAY Replays internally stored net shooting data To replay press key to light lamp above it select item to replay and press the key again TX Press to transmit when transducer is lowered Lamp lights during transmission 1 4 Sub Panel 2 data setting window This example shows settings T of TVG and TX TVG TX selected CURRENT SETTINGS for item selected TVG TX SIGNAL ES TVG TX DELETE MK NEAR MEDIUM FAR CYCLE PL OUTPUT SONR BEAM a 718191171819 ALM AUDIO _ m b as E selection ke
38. SpIdy 8 2 SAVING REPLAYING PICTURE Initializine Memory Cards 9 1 Savine the Picture ELI 9 2 Transferring Echo Data from Internal Memory to Memory 9 2 Savin Net Shooting Data EP en 9 3 Replaying Saved BRIT PH Tx 9 4 Deletine Memory Card Contents o ate e tet ae E 9 4 TURNING MARKS DATA ON OFF 10 1 INTERPRETING THE DISPLAY Seabed CROSS me 11 1 FIST SSC HOO CNN RTT I T NET 11 2 Sea SUM ACS Reflections e Rte rr da Rad ee eive EE a DD 11 3 WOO c duties utt nete s ne acit teed et t e MI UM Mr 11 3 False Echo Dy Stdelobe oer cate noh 11 4 add Interference ducere Let Dueb Mte hia De dene saad NR UNE 11 4 WARNINGS 12 1 Unretracted Transducer Warning 12 1 SELF TESTS Op nine the Self Test MGHU LH EE EEEE 13 1 Self TosEDDeSCTTOLIDH cocer e Echo eH A 13 2 Int tiace Umit CS 120A Self 13 5 INPUT DATA SELECTION Selection of Data on Interface Unit CS 120A Fa 14 1 Setting Distances Between Net Sonde
39. ck Mark Net Sonde Mark Net Shooting Mark E S Picture Advance Range Data Ship s Speed Ship s Course Water Depth Water Temperature Net Sonde Data Color Bar When net shooting mark is off tidal current data E S Range Scale appears instead of net sonde data You can display tidal current data always by selecting CURRENT on the DATA DISPLAY sub menu Requires external sensor Figure 4 3 Marks and data appearing in the echo sounder display mode History display Requires external sensor Current Data Current Speed Color Bar Range Scale Figure 4 4 Marks and data appearing in the history display mode Permanently Displayed Marks and Data Mark Data Description Trackball Data we lv Trackball data w Slant range gt Horizontal range Depth B Bearing Bearing is shown in 360 or 180 indication system relative to ship s heading In the latter case B is indicated as follows B P on the port side B S on the starboard side Range Data R Shows the range scale set with the RANGE control Tilt A ngle Data The tilt angle appears below the range The tilt angle can be changed in 1 steps within the range of 5 to 60 In target lock and automatic tilt control the instantaneous tilt angle appears in pa
40. cting properties are nearly equal The sonar operator will be quite inconvenienced if these echoes are directly displayed on the screen since he can not judge the actual size of the target from the size of echoes dis played on the screen To overcome this inconvenience the TVG function is incorporated It compensates for propagation loss of sound in water amplification of echoes on short range is sup pressed and gradually increased as range increases so that simi lar targets are displayed in the similar intensities irrespective of the ranges to them The CSH 53 has three TVG functions NEAR MEDIUM and FAR and they mainly compensate for propagation loss on short middle and long ranges respectively centered at the ranges shown below The higher the TVG setting the greater the amplification of echoes Figure 3 1 Principle of TVG The TVG is also used to suppress unwanted echoes and noise which appear in a certain range area on the screen such as sea surface reflections and cruising noise To set TVG properly do the following How to adjust TVG 1 Open sub panel 2 2 Select TVG TX 3 Set TVG NEAR MEDIUM and FAR to 5 3 1 3 2 4 When sea surface reflections or plankton layers disturb the picture decrease appropriate TVG option by one or two steps by pressing minus key 5 Locate fish school on a long range setting about 800 meters which is approaching own ship 6 Adjust the tilt to keep the
41. d TVG and AGC controls especially when the TILT is set to a larger angle in order to track fish schools approaching within 400 m In such cases try to reduce the output power by adjusting the OUTPUT control instead of turning down the gain The picture becomes clearer when output power is reduced rather than when the GAIN is decreased as illustrated below Fish echo Fish echo TVG and AGC weakened adjusted with OUTPUT kept high Fish echo OUTPUT decreased with GAIN kept constant Figure 3 2 How to suppress seabed and sea surface reflections in shallow waters Rejecting Sonar Interference and Noise 3 4 While observing the sonar picture you may encounter occa sional or intermittent noise and interference These are mostly caused by on board electronic equipment engine or propeller noise or electrical noise from other sonars being operated nearby Identifying noise source To eliminate noise effectively you should first identify the noise source as follows 1 Turn off the TX switch and operate all on board equipment one by one while observing the picture 2 Run the boat at various speeds to check if the noise is speed dependent If neither of the above two steps has effect on the picture adjust one of the following Interference rejector data setting window SIGNAL SIGNAL PROCESS This control is similar to the interference rejector on echo sound ers and radars It is effective f
42. d picture Automatically tillts sounding beam in 2 steps within tilt angle selected by WIDTH key Varies the tilt angle of the sounding beam between 5 and 60 Changes weight in vertical direction at Tx OPERATIONAL OVERVIEW Turning the Power On Off Turning the power on Press the ON switch on the main panel The lamp above the key should light If it doesn t press the TX switch on sub panel 1 Turning the power off Retract the transducer with the switch and then press the OFF key on the main panel Note The transducer is automatically retracted into the tank even if the OFF switch is pressed before retracting the transducer However make it a habit to retract the transducer before turning off the power Adjusting Screen Brilliance Control Panel Backlighting The BRILL control adjusts screen brilliance and the DIM con trol adjusts control panel backlighting These controls are on the lower part of the main panel Lowering the Transducer Press or switch The lamp above the key blinks during lowering of the transducer and lights when the transducer is completely lowered In normal use fully lower the trans ducer The transducer extends 1200 mm below the ship s hull providing stable and cavitation free soundings If the transducer may become entangled in the net after shooting the net for example partially raise the transducer with the switch This raises the transducer by 400 mm tran
43. der picture as below where the length of vertical line shows the depth of the net sonde transmitter unit 2 To erase net sonde mark and associated data press the SHOOT key again Net Mark Net Sonde Mark Net Sonde Net Shoot Mark k Mar Figure 7 14 Net behavior Reducing Sea Surface Reflections Sea surface reflections can be reduced by sharpening the hori zontal Rx beam width with the NARROW key You may preset the reduction level with NARROW in SONR BEAM menu in the data setting window The normal setting is 0 Increase the setting when for example searching small fish Note that it is also useful to increase the setting when observing bottom condi tions since the picture is more detailed Boosting Tx Power When the NARROW key is turned on sea surface reflections are suppressed but small fish echoes are also suppressed In this case the boost feature may be useful Press the BOOST key to light the lamp above it Tx power in creases and small fish school echoes are stressed When its use is not required turn off the BOOST key This page is intentionally left blank PORT STARBOARD HORIZONTAL SLICE DISPLAYS The port starboard display or horizontal slice display may be displayed by pressing the HIST key The display shown de pends on the setting of HIST DSP GRPH in the USER menu Port Starboard display The port starboard display takes echoes along the bearing port starboard
44. during transmission when turned on Press when net is cast The net shooting mark net sonde marks and current mark appears at the own ship mark The net shooting mark net sonde marks and current mark moves on the ship s track as the ship moves The lamp above the switch lights and time distance run appear on the display unitl the net shooting mark is turned off Requires external sensor W SH Provides range and bearing data from own ship to a target Select I I I between own ship mark and trackball mark to measure bearing Changes the tilt angle of the sounding beam between 5 and 60 AUTO TILT Automatically tilts the sounding beam up and down in 2 steps within the tilt angle selected by the WIDTH key The lamp above the key lights when automatic tilt is on OOT R B target with trackball and then press the R B key A line connects TILT IDTH Sets tilt width in automatic tilt SH M UDIO NET COURSE Marks location of net TARGET LOCK Tracks a fish school EVENT 1 2 Inscribes event mark on the display to find horizontal range depth and bearing of a target ESTIMATE 1 2 Compares volume of two fish schools Measures fish school speed OFF CENT Relocates selected target D Adjusts the backlighting of the control panels and the brightness of the lamps above keys BRILL Adjusts screen brilliance A Adjusts volume of built in loudspeaker which monitors a target appearing along the bearing marker TRAC
45. e 13 2 Single test Continuous test The devices of the display unit are checked continuously CONTI TEST RAM MEMCARD Figure 13 3 Continuous test 13 2 Panel test This test checks the keys of the main and sub panels and the remote control box Press and release each key Its on screen location should display 1 when the key is pressed and 0 when released To escape from the test reset the power PANEL TEST 00000000 Figure 13 4 Panel test Color test This test checks for proper display color To escape from the test reset the power COLOR TEST Figure 13 5 Color test 13 3 Gray test This test checks for screen distortion To escape from the test reset the power Figure 13 6 Gray test SIO test This test checks for proper communication between the display unit and transmitter unit and requires a jumper plug To escape from the test reset the power SIO TEST DRAW SIO NG IF SIO NG PISO SIO1 OK SIO2 NG PIF SIO1 OK Figure 13 7 SIO test 13 4 Interface Unit CS 120A Self Test 1 Open the cover of the interface unit 2 Find DIP switch DP 1 on the lone circuit board Turn switch 6 on to start the self test The results of the check appear on the digital display beside the DIP switch 3 Turn the DIP switch off after completion of the test Turn 6 on Digital display
46. e Setting Figure 7 1 Tilt angle setting How to find fish school center 1 Onsub panel 1 or the remote control box turn on the AUTO TILT key The lamp above the key lights on sub panel 1 2 With the WIDTH key select scanning width Auto tilting begins with tilt angle set with TILT lever as a center tilt angle Successively changing tilt angle is displayed in pa rentheses at the upper right of the screen 3 To change center tilt angle operate the TILT lever Tracking a Fish School target lock 7 2 Target lock which requires speed and heading inputs automati cally tracks an important fish school so that you wonit lose sight of it on the display screen Two types of target lock are avail able Target Mark or Fish One may be selected on the SYS TEM menu Tracking a fish school 1 Operate the trackball to place the trackball mark on fish school you want to track 2 Press the TARGET LOCK key to light the lamp above it The target lock mark lt x appears on the fish school and tracking begins Figure 7 2 Target lock mark and target lock data Note 1 Range offset is applied to both shipis movement and fish school movement on the screen Tilt angle is not offset Note 2 When the target goes out of the tilt angle range the lamp above the TARGET LOCK key blinks and then target lock is cancelled 3 Tocancel target lock press the TARGET LOCK key again Target lock mark appearance The size and
47. em to replay The left arrow key selects older data for example data in memory card the right arrow key newer for ex ample data in internal memory After viewing picture press the RECALL key to escape Note that the priority order for replay of echo inside estimate mark is internal memory saved picture followed by memory card contents Net shooting data 1 2 Press the NET REPLAY key on sub panel 1 At the screen bottom comments are listed Select the item to replay After viewing the data press the NET REPLAY key again to escape Deleting Memory Card Contents 9 4 You can delete unnecessary data from a memory card 3 Press the MENU key to display the user menu Select the CARD UTILITY menu The card contents are listed at the screen bottom Select data to delete Press the MENU key Press the END key a few times to close the menu TURNING MARKS DATA ON OFF You can turn marks and data on or off through the data setting window or the USER menu Turning marks on off through the data setting window Select DELETE to delete the following marks Event Mark 1 HH Event Mark2 W Each press of or deletes Fish Mark mark selected by Own Ship Mark A Ship s Track Z Each press of or deletes 1 5 of overall length of track Turning marks on off through the user menu The following marks can be turned on off on the USER menu User Menu Displa
48. er can be connected as echo sounder 2 select it on the ES sub menu in the INIT SET TEST menu HISTORY Normal scanning sonar picture appears on the upper 5 8 of the screen and the history display on the lower 3 8 Three types of history displays are available Audio Port Starboard and Horizontal Slice You can select which one to display on the USER menu Selecting a Display Range Operate the RANGE control to select a display range The range selected appears at the top center of the screen Setting the Tilt Angle The tilt angle shows the direction to which the sound wave is emitted When the sound wave is emitted horizontally the tilt angle is said to be zero degrees and when emitted vertically 90 degrees To set a tilt angle operate the TILT lever Watch the tilt angle indication at the top right T 1 da corner on the screen The tilt angle can be set in one degree steps from 5 upward to 60 downward Finding a proper tilt angle is important when searching for fish Below are tips for selecting tilt angle Seabed echo and tilt angle Case 1 Tilt angle 30 to 40 degrees This tilt angle will display the entire seabed since it is captured by the full width of the beam Case 2 Tilt angle 10 to 20 degrees This tilt angle will only display half the seabed since it is only captured by the lower half of the beam Case 3 Tilt angle 0 to 10 degrees This tilt angle ma
49. ets echo level at which fish alarm sounds Numbers 0 15 FISH LEVEL 0 15 correspond to 16 presentation 10 ALARM colors 0 deep blue 15 reddish brown ZONE c arts the ALM AUDIO ey trackball and key Chooses audio sector among RESTOS 30 60 90 180 and 330 99 Chooses length of reverberation AUDIO REVERB 0 9 for audio Larger number gives 0 longer reverberation Sets direction of audio sector CENTER using the trackball and key HOR and 2AGC functions cannot be used together If one is used the other is automatically set to 0 Remote Control Box Selects which display unit to SP SELECT control in multiple display unit installation Raises lowers the transducer Raises transducer Mid protrusion V Full protrusion Press to enter mark shown on key or shift screen center Ce NET COURSE TGTLOCK O Selects display range Adjusts receiver sensivity Not used 1 8 Figure 1 5 Remote control box Each press displays water temperature or depth at screen center for about five seconds Turns on transmitter Shifts trackball mark Replays user preset settings Lit lamp shows current selection Displays net shooting mark Saves picture to memory card Sharpens width of Tx beam Replays a store
50. f the volume of two fish schools by using the two ESTIMATE keys 1 Operate the trackball to place the trackball mark on a fish school and then press the ESTIMATE 1 key The estimate mark appears on the fish school Relative vol ume is shown by a figure between 0 and 100 below the es timate mark When inside the mark is filled with reddish brown volume figure is 100 2 Operate the trackball to place the trackball mark on another fish school and press the ESTIMATE 2 key 3 Compare estimate figures for each fish school 4 To turn off the estimate marks press their respective keys r Estimate Estimate Doo mark 1 mark 2 000 Estimate Estimate mark 1 mark 2 data data Figure 7 8 Estimate marks and their data Measuring Fish School Speed Latest fish mark To ensure a good haul it is important to estimate the direction and speed of the fish school before shooting the net You can do this with the FISH key If the tidal current data is used together with fish speed data you can determine the timing of the net shooting more efficiently This function requires speed and head ing inputs 1 Place the trackball mark on the center of a fish school and then press the FISH key The latest fish mark lt gt appears on the fish school 2 Wait 1 to 2 minutes 3 Place the trackball mark on the same fish school selected in step 1 and press the FISH key The latest fish mark lt gt ap pears on the
51. ge Warning If the input voltage to this unit rises above 125 VAC the over voltage detection circuit activates an alarm sounds and the mes sage OVERVOLTAGE appears at the screen center If this occurs retract the transducer turn the power off and check the ship s mains voltage It should be about 100 VAC Unretracted Transducer Warning If the transducer is not completely retracted within 30 seconds after pressing an alarm sounds and the message XDCR NOT RETRACTED appears at the screen center If this occurs do the following 1 The power cannot be turned off because the transducer can not be retracted Turn off the main breaker for the display and power supply units to stop operation Confirm that the net is not tangled in the transducer Confirm that the breaker inside the raise lower control box mounted on the hull unit is on Remove the cover of the raise lower control box Push the Red reset button to reset the raise lower control box Turn on the power and press to retract the transducer into the tank If it does not retract the main shaft of the hull unit may be bent Turn off the power and manually raise the trans ducer up to the highest position by using the hand crank See the illustration on the next page 12 1 Reset Switch TEST NORMAL switch a E S a my 2 TF Photo No 1479 RAISE LOWER CONTROL BOX HULL UNIT Figu
52. he target lock mark location within the sonar beam 3 To stop tracking press the TARGET LOCK key again Note 1 If the target goes out of the picture or the tilt angle is greater than 60 degrees the lamp above the TARGET LOCK key flashes to call your attention Note 2 Target lock position and data are calculated according to tilt angle Note 3 The bearing mark moves to the target lock mark loca tion when target lock becomes active Bearing to the target lock mark is shown Note 4 Target lock is temporarily disabled when the distance to the tracked fish school is less then 40 m It is resumed once the distance becomes more than 40 m Note 5 The target lock works up to a tilt angle of 60 degrees In the drawing below the tilt angle is fixed at 60 degrees between B and C During this period however calculation is continu ously being performed When own ship comes to point C target lock is resumed D o a ea Figure 7 4 Target lock and tilt angle Setting target lock conditions 1 Open the sub panel 1 2 Press the MENU key while pressing and holding down the down arrow key in sub panel 1 3 Select TARGET LOCK with the arrow keys 4 Press the MENU key SYSTEM MENU TARGET LOCK Select item with T keys and press MENU key Press END key to close menu Setting Tracking Method Fish Auto 168 Track Echo Color
53. heading direction becomes erratic if the ship s speed is less than 0 2 kts Note 2 Use this setting when both DR and current indicator are available Normally DR data has highest priority and is switched to current indicator data if the DR data is absent for more than 61 seconds The heading data for the bearing scale is always provided from the current indicator When DR data is taken from GPS be sure to set GPS output format to DR GPS with no DR output format cannot be used Ship s Position Input Device 53 S4 Use this position for GPS or DR mec or Orr GPS daa has priori GPS or DR See Note gt Depth echo sounder color video sounder etc InputDevice S5 Note 1 For white line pulse when the Echo Sounder Note 1 m from n ipud sounder which does not have digita GPS or DR Note 2 depth output Note 2 When the depth data is taken from an echo sounder which has digital echo output FE 822 FCV ED 202 IF 3000 or IF 5000 Figure 14 1 DIP switch settings in the interface unit 14 1 Setting Distances Between Net Sonde Transmitters To accurately display the net shooting mark and net sonde mark position the distance between transmitters must be correctly set This is done on the DATA SET menu RO Length of net from its end to transmitter in meters R1 Length of net between transmitters 1 and 2 in meters R2 Length of net between transmitters 2 and 3 in meters
54. ho Color Setting range 1 to 15 Tracking Factor Setting range 1 to 10 Disable TGT Lock Setting range 1 to 10 Fish Spd Update 5 10 20 30 Sec Target LK Window Normal Large Largest BRG READOUT Course sid 32 Cmps 360 True Current Data Event Mark 32 Cmps 360 True 180 Rel 360 Rel Other Marks _ DISPLAY Samet Satins OFF Sonar TGT Lock Text Window Data 1234 SIZE1 si Trackball Mark 5 L m S m L Target Lock Mark 9 amp m L Event Mark 1 EB SEB D I Event Mark 2 DJ GJ L 1 Fish Mark Q S L l Own Ship Pos MK A S MARK SIZE 2 Own Ship Mark SAW Net Shoot Mark SUD Estimate Mark 32 x 32 64 x 64 m Current Vector Normal Long Range Rings 148 1 2R Ship s Track MK 5R 10R 20R 40R ES 1 Color Curve Linear 1091 1092 1093 5 2 Color Linear 1091 1092 1093 Picture Advance 1 1 1 2 1 4 1 8 Advance at Shoot KP Sonde Net Rec Picture UP Down Down Continued on next page 4 SYSTEM MENU l jHiSTDISPLAY H Slice Width 1248 Continued from 1 PRT STBD Sample Setting range 0
55. hoes in PRT STBD display INTERLOCK Tilt Range Event Mark Fish Mark Net Shoot Mark Target Lock You can interlock these items with respective items on sonar connected to the CSH 53 If you interlock the range for example anytime the range is changed on the CSH 53 it is automatically changed on the sonar connected and vice versa DEFAULTS Defaults Press MENU key to clear all user data set and system menus settings and restore default settings on all system menus 5 7 DATA SET Menu Description The DATA SET menu can be display by pressing MENU Menu Item Description COLOR CURVE Sonar 1 For each of these devices you may change Sonar 2 settings of echo level versus presentation color Echo Sounder 1 curve which you selected at either CURVE Echo Sounder 2 at SIGNAL PROCESS on data setting window or system menu Note that Sonar 2 is not used 1 First select item to change on COLOR CURVE sub menu and then press the MENU key Display Level color setting 15 255 13 193 11 104 8 58 4 18 0 Level 0 128 255 2 Color curve can be changed at colors no 4 8 11 13 and 15 Press up or down arrow keys to set cursor on color no you want to change curve 3 Press the right or left arrow keys to change value 4 Press the MENU key to terminate color curve setting Then the display shown below appears Follow the instr
56. horizontal vertical beam switching 4 Beamwidth 3 dB and Tilt Angle TX Beamwidth RX Beamwidth Tilt Angle 2 Display 1 Picture display 2 Color 3 Display mode 4 Display Marks 360 horizontal x 10 to 16 Vertical 9 to 18 horizontal x 13 to 16 Vertical NOTE Beamwidth depends on transmitter freqeency 5 upward to 60 downward continuous PPI display on 15 inch non glare high resolution color CRT 16 colors sonar picture 4 colors marks a Normal Mode with or without data display b Off center c True motion d Echo sounder combination normalplus echo sounder e Audio combination f Port starboard combination g Horizontal slice combination Own ship mark heading mark range rings range bearing mark trackball mark event mark net shooting mark fish mark estimate mark bearing scale north mark ship s track current mark net sonde mark 5 Alphanumeric Data SP 2 Sonar picture range tilt angle gain Trackball mark data slant range horizontal range depth bearing Event mark data horizontal range depth first event marked depth bearing Fish mark data distance moved direction and speed between two latest fish marks Estimate mark data estimation of fish volume by echo strength Net shooting data new setting appears in larger characters for 5 seconds when changed Current data current speed direction layer depth Navigation
57. ility to separate sev eral closely located targets When searching bottom fish there fore it is useful to shorten the pulselength in order to separate fish echoes from seabed reflections Decrease the PULSELENGTH setting to shorten the pulselength For search of surface and midwater fish in which seabed reflections are not so strong use the longest pulselength 10 2AGC data setting window SIGNAL SIGNAL PROCESS While it is ideal to suppress seabed echoes with the AGC con trol alone there are some fishing grounds where this is not pos sible The high power sonar has the advantage of long range detection but this can also be a disadvantage since weaker ech oes may be hidden in strong unwanted echoes such as the sea bed If you cannot suppress seabed echoes or sea surface reflections by the AGC control alone use the 2AGC control Normally a setting of 2 or 3 is suitable For especially strong echoes use a setting of 4 or 5 AR 4 to 1 Adjusts horizontal beamwidth 2AGC function is fixed at 3 0 2AGC function is off 1 to 5 Larger the number the greater the effect of 2AGC 3 3 Suppressing Seabed and Sea Surface Reflections Shallow Waters WRONG METHOD CORRECT METHOD Data setting window TVG TX OUTPUT In shallow fishing grounds with hard or rocky bottom seabed reflections often interfere with wanted fish echoes and they can not be eliminated sufficiently with the aforementione
58. ize a memory card Press the END key a few times to display the user menu The memory card stores 256k byte of data This is equivalent to about two picture screens or about 20 pictures of echo inside the estimate mark The following data are automatically saved as system data when the memory card is initialized panel setting function key settings and menu settings Saving the Picture 4 9i Press the MENU key to display the user menu Select SAVE PICTURE Select item to save Whole Saves whole picture to memory card Est MK Saves echo inside the estimate mark to internal memory About 20 pictures can be saved QK Save Saves whole screen to the internal memory One picture can be saved Press the END key to close the user menu Press the MEMO key on the main panel It takes about two minutes to save a whole screen to a memory card During this time normal picture is displayed but the unit accepts no key input Transferring Echo Data from Internal Memory to Memory Card 9 2 Press the MENU key to display the user menu Press arrow keys to select CARD ECHO DAT The display shows all inside estimate mark pictures stored in the internal memory Using the arrow keys select picture to save to memory card Press the MENU key The lamp to the right of the memory card drive lights while picture data is being saved Press the END key several times to return to the USER menu Saving Net Shooting Data
59. nded purpose Personal injury can result if the equipment is used as a chair or stepping stool for example Do not place objects on the top of the equipment The equipment can overheat or personal injury can result if the object falls Do not exceed speed noted in the speci fications when operating the equipment or lowering or raising the transducer The transducer may become damaged The zinc block attached near the transducer must be replaced yearly The junction between the transducer and main shaft may corrode which can result in loss of the transducer or water leakage inside the ship POSSIBILITY OF INJURY 1 If breaker hull unit trips do the following 1 Turn off power swich on hull unit 2 Wait 60 sec after breaker has tripped 3 Press breaker 2 Turn off hull unit before using hand crank TABLE OF CONTENTS FOREWORD A Word to CSH 33 OW CLS le SACS a Syst m CONT PUR ATION 1 CONTROL DESCRIPTION Control Layout on Display Unit and Remote Control Box 1 1 Maim preteen eu eee ete ERU E 1 2 SUD Rane LE eeen a stus eue E 1 4 Sub Panel 2 data setting Window 2250 1 5 Control
60. ny functions are carried out through the menu system which consists of the USER SYSTEM DATA SET and INITIAL SET DATA menus The menu you will use most often is the USER menu Menu How to open USER Press MENU SYSTEM Press MENU DATA SET Press gt MENU Press MENU ON Press and hold down until the buzzer INIT SET TEST sounds All LEDs light while keys are held down USER Menu Operation The menu operating procedure is the same for all types of menus Below is the basic menu operating procedure for the USER menu 1 Press the MENU key to open the USER menu USER MENU D Select item with f keys and press MENU key Press END key to close menu CARD UTILITY CARD ECHO DAT CARD NET DATA FUNCTION KEY DATA DISPLAY MARK DSP 1 MARK DSP 2 HIST DSP GRPH CURRENT VEC SAVE PICTURE Figure 5 1 USER menu 2 Operate the arrow keys in sub panel 1 to select a menu As you move through the menu each item initially shown as blue on gray universes to gray on blue to show selection For example select the HIST DSP GRPH menu 3 Press the MENU key to display menu selected USER MENU D HIST DSP GRPH HIST Window DSP Fish Histogram NS Select item with f keys and press MENU key Press END key to close menu AUDIO PRT STBD H Slice ON OFF Figure 5 2 HIST DSP GRPH menu 4 Operate the
61. of 50 of water current speed 5 10 INIT SET TEST Menu Description The INIT SET TEST menu can be displayed by pressing MENU Item Description HEADING ADJ Heading Adjust Set deviation angle of HEAD mark on hull unit from ship s bow If deviation is 15 to port enter 15 degrees 15 to starboard enter 345 BAUD RATE I F CS 120A Set data transmission speed baud of ports Aux Port 1 Set to 2400 bps for I F CS 120A Aux Port 2 Aux Port 3 PC Port EXT KP Ext KP Polarity Choose positive or negative logic for keying KP Out Polarity pulse fed from external sonar or echo sounder to synchronize transmission UNIT LANGUAG Depth Choose unit of depth readout 5 Dist for Shoot Choose unit of distance run readout for shooting net meters feet fathoms or passi Temperature Choose unit of water temperature readout centigrade or fahrenheit Language Choose language used in menu English Japanese or Korean SELF TEST Single Performs display unit self test once Continuous Performs display unit self test continuously Panel Checks the keys of the display unit and remote control box for proper operation Color Checks for proper display of colors Gray Checks for screen distortion SIO Conducts communication test between the display unit and transceiver unit Requires a test plug Continued on next page 5 11
62. of your purse seine net being centered on the trackball mark Trackball mark Net location mark Figure 7 13 Net location mark 3 adjust the location of net location mark move the trackball mark 4 When the location is finalized press the NET COURSE key again The dotted ring is replaced by solid ring and the lamp above the NET COURSE key lights 5 To erase the mark press the NET COURSE key again You can adjust the diameter of the net location mark on NET SHOOT PLAN in the DATA SET menu 7 15 Observing Net Behavior 7 16 With net sonde connection you can observe net behavior after the throwing of the net on the echo sounder combination mode Accurate depiction of net sonde position depends on proper set ting of the distances between net sonde transmitters You can set those distances on NET SONDE XMTR in the DATA SET menu This function requires speed and heading inputs 1 Press the SHOOT key just upon throwing the net into the water Then the net shooting mark appears at the own ship mark and also at the right edge of the echo sounder picture Afterwards whenever a net sonde transmitter on the net is thrown into water a net sonde mark appears on own ship mark and moves with ship movement The depths of net sonde transmitter units are digitally displayed at the lower left of the screen after the receiving transducer is placed into water The net sonde marks appear also on the echo soun
63. ontrol Layout on Display Unit and Remote Control Box TRANSDUGER Ee SUB PANEL 1 soor Vi gt SCANDEPTH TARGET tock MAIN PANEL DISP SELECT Selects which display unit to control in multiple display unit installation Raises lowers the transducer Raises transducer Mid protrusion V Full protrusion Press to enter mark shown on key or shift screen center Selects display range Adjusts receiver sensivity Not used TGTLOCK o 1 NETCOURSE 40 OEF FUNCTION o 2 5 sor Each press displays water temperature or depth at screen center for about five seconds Turns on transmitter Shifts trackball mark Replays user preset settings Lit lamp shows current selection Displays net shooting mark Saves picture to memory card Sharpens width of Tx beam Replays a stored picture Automatically tillts sounding beam in 2 steps within tilt angle selected by WIDTH key Varies the tilt angle of the sounding beam between 5 and 60 Changes weight in vertical direction at Tx Fig
64. or rejecting random noise and sea surface reflections in rough sea conditions Set it so that noise is just eliminated Do not use an unnecessarily high setting since it may also reject small wanted echoes Changing Tx cycle data setting window TVG TX CYCLE When other sonars operate nearby at the same transmission in terval as that of own ship s sonar an interference ring caused by other sonars is displayed To erase the interference ring from the screen reduce the CYCLE on the data setting window Interference Tx cycle high Tx cycle lowered Figure 3 3 How CYCLE works Note When the sonar is used in shallow water with the range set between 60 m and 200 m and Tx cycle at 9 seabed reflec tions caused by the 2nd to the last transmission may appear on near ranges Reduce the Tx cycle setting to 2 or 3 to sup press them 3 5 3 6 Setting F shift data setting window SONR BEAM SONAR If interference cannot be suppressed by the interference rejector IR or Tx cycle change the setting of F SHFT from 1 to 2 Noise limiter data setting window SIGNAL SIGNAL PROCESS Weak unwanted reflections colored light blue or green appear when the water is dirty plankton layers exists or due to ship s noise The noise limiter NL can reduce the effects of these unwanted reflections raising the setting causes them to become bluish to background color Normally a setting of 3 or 4 is suffi cient
65. re 12 1 Raise Lower Control Box of the Hull Unit 12 2 SELF TESTS The CSH 53 has various self tests to check it for proper opera tion If a test reveals equipment malfunction do not attempt to check inside the equipment There are no user serviceable parts inside the equipment A DANGER Do not work inside the equipment unless totally familiar with electrical circuits Hazardous voltage which will cause death or serious injury exists inside the equipment Opening the Self Test Menu 1 Turn on the power while pressing and holding down the MENU key 2 Press arrow keys to select SELF TEST INIT SET MENU SELF TEST Select item with keys and press MENU key Single Execute Continuous Execute Panel Execute Color Execute Gray Execute SIO Execute Figure 13 1 Self test menu 3 Press up or down arrow key to select test desired 4 Press the MENU key to start test 13 1 Self Test Description Single test The ROM RAM and other devices of the display unit are checked once Control is returned to the SELF TEST menu when the test is completed START UP TEST 05 0350 1xx 105 0351 1xx ROM OK DRAW 05 0366 1xx 105 0445 1xx ROM K RAM OK 05 0381 2xx 105 0381 1xx ROM OK RAM OK 05 0382 1xx ROM OK RAM OK 05 0353 1xx ROM K RAM z OK 05 0352 1 ROM OK RAM OK 05 0415 1xx ROM OK RAM OK 105 0226 001 Figur
66. rentheses Accordingly both are equal when target lock is on In automatic tilt the upper indication shows the tilt angle set by the TILT lever and the lower indication the instantaneous tilt angel at which the sonar actually works Continued on next page 4 3 Mark Data Description Own Ship s Mark Shows own ship s present position The direction of the arrow shows A ship s heading This mark moves with ship s movement in the true motion mode On all other modes it is fixed at the screen center North Mark When the CSH 53 is connected to a gyrocompass the mark is called or Heading Mark the north mark and points North If there is no gyrocompass input the heading mark points the direction of own ship s heading Heading Data This data requires gyrocompass input Bearing is displayed in 32 azimuth N N E etc Bearing can also be displayed in figures for example 360 by calling up the SYSTEM menu and selecting READOUT Course Trackball Mark Sets own ship s mark location for off center display sets location for mark input The trackball or arrow keys on the remote control box controls this mark Erasable Marks and Data Mark Data Description Latest Event These marks depict important locations With speed log and gyro Mark compass connection these marks follow ship s movement In the true motion mode they are stationary Ten marks one latest and nine event
67. rm zone You set parameters for the fish alarm at ALM on the data setting window ON OFF Turn alarm on or off Level Set echo strength level which will activate the alarm Zone Set alarm zone 1 Open the data setting window and select ALM AUDIO 2 Press the key of the ZONE item 3 Operate the trackball to place the trackball mark on the start ing point of the alarm zone 4 Press the key 5 Rotate trackball clockwise to select the end point The dis play paints a fan shaped alarm zone 6 Press the key Starting oint Alarm zone End point Figure 7 6 How to set the fish alarm zone Note There must be at least three degrees difference between the starting and end points to get a fan shaped alarm zone as shown in a and b Otherwise the unit paints a 360 degree alarm zone as in c and d More than 3 Relocating Fish School for Easy Observation 1 Operate the trackball to place the trackball mark on the posi tion where you want to relocate the own ship mark 2 Press the OFF CENT key 3 To move the own ship mark back to the screen center press the OFF CENT key again b Fish Press the school OFF CENT key Own ship mark Place trackball r r mark here L J for example Own ship mark moves to trackball mark position Figure 7 7 How to relocate fish schools 7 9 Comparing of Fish School Concentration 7 10 You can get an estimate o
68. ross cursor 1 In the normal display place the trackball mark on the echo you want to see displayed in the horizontal display then press the R B key The horizontal slice marker 120 in width and centered on the bearing mark appears on the display Echoes within the marker appear in the window at the bottom of the display scrolling leftward 2 Place the trackball mark in the horizontal slice window to find data The trackball mark changes to the cross cursor Range and depth to the cross cursor are shown Note 1 Picture advancement is synchronized with ship s speed The picture does not advance when the ship is dead in water or there is no speed input Note 2 The width of the horizontal slice marker may be changed on the SYSTEM menu with H Slice Width SAVING REPLAYING PICTURE You can save either the whole screen or the echo inside the esti mate mark to the internal memory or a memory card Data to Save Saving Method Saving to Whole picture marks MEMO key and Memory card alphanumeric data menu setting Echo inside estimate MEMO key and Internal memory mark menu setting Net shooting data SHOOT key Internal memory Initializing Memory Cards Before you save information to a memory card it must be ini tialized formatted L 2 5 4 Press the MENU key to display the user menu Select the CARD UTILITY menu Select Initialize It takes more than two minutes to initial
69. sducer ex tends 800 mm from ship s hull A CAUTION Do not exceed speed noted in the speci fications when operating the equipment or lowering or raising the transducer The transducer may become damaged Do not press the f switch during lowering of the transducer and do not press the amp or amp switch during raising of the transducer The equipment may become damaged Selecting a Display Mode 2 2 The CSH 53 provides three display modes normal sonar pic ture echo sounder combination and history display combina tion Those modes may be selected with the NORM E S and HIST keys Table 2 1 Display mode description Mode Description NORMAL E S The sonar picture appears over the entire screen This mode is useful for detecting and tracking fish schools The default display area is 1 3 times the range but it can be changed to a 1 6 times the range on EXT KP TM DSP in the SYSTEM menu Navigation information can be 4 displayed in the text window at EET the screen bottom by turning on DATA DISPLAY in the user Text window menu Normal scanning picture appears on the upper 5 8 of the screen and the signal fed from the echo sounder on the lower 3 8 This mode is suitable for judging fish school concentration When two echo sounders are connected each pressing of the E S key alternately selects echo sounder or echo sounder 2 Note that a net record
70. se SA Wake produced by other ship Own ship s wake Own ship s produced when screw noise own ship turned Figure 11 4 Wake appearance on the display False Echo by Sidelobe Sidelobe An ultrasonic wave is emitted only in the direction set by the TILT lever however there are some emissions outside the main beam These are called sidelobes The energy of the sidelobe is fairly weak but when the water is comparatively shallow and the bottom is rocky and hard strong signals are detected by the sidelobe These are represented on the display as a false echo as shown below Mainlobe Sidelobe echo Sidelobe echo The seabed echo detected by sidelobe appears at a certain tilt angle when the sidelobe points vertically Figure 11 5 Sidelobe echoes Noise and Interference 11 4 Interference from a sonar on board another ship appears on the screen as shown in A below This interference can be suppressed by changing the CYCLE setting in on the data setting window Interference from electrical equipment on board own ship appears as shown in B below Noise from marine life ap pears on the display as shown in C Electrical interference and marine life noise can be suppressed with IR on the SIGNAL menu in the data setting window A Interference from B Electrical C Marine life noise other sonar interference Figure 11 6 Noise and interference WARNINGS Overvolta
71. selected on the SYSTEM menu and displays them on the lower 1 3 of the screen If the bearing width is set to 90 degrees for example the CSH 53 displays echoes in both port and starboard directions The picture is scrolled vertically to downward Port Starboard Sampling Angle Display Sector Picture Advance Direction Gan ED D ro 150 300 450 600 Port Direction Ee Starboard Direction Port starboard sampling angle can be set between 0 and 180 degrees Setting sequence SYSTEM menu HIST DISPLAY PRT STBD Sample B Fixed at 6 degrees Figure 8 1 Port starboard display 8 1 Horizontal Slice Width D Horizontal slice display 120 degrees of the picture in the horizontal direction is shown for a given depth D in the horizontal slice window at the bot tom of the display The area to display may be selected with the R B key Cross Cursor N Picture Advance 4 8 2 Own Ship Mark 7 Bearing Mark Echo inside this area is shown in window 120 Fixed Range Mark Color Bar Latest Picture Own Ship Stern Mark Range from own ship to cross cursor in stern direction Range from own ship to cross cursor in port starboard direction Ov Depth to cross cursor Figure 8 2 Horizontal slice display Slant range from own ship to c
72. t Movement Plot IER Fish MK Connect Fish Tracking MK Fish Track Plot HIST Window Chooses type of display for HIST window Dsp AUDIO Displays echoes within audio sector PRT STBD Displays echoes in specified port and starboard directions HIST DISP GRPH H Slice Displays echoes along upper half of range mark Fish Histogram Turns on off echo intensity distribution for echoes inside estimate mark on the Target Slice display Continued on next page 5 3 5 4 Menu Menu Item Description A w Current Vec A w Current Vec Turns those marks on off Current Flow Dir displays tidal current direction as To or From CURRENT VEC U w Current Vec Current Flow Dir Save Method Selects how to save echoes Whole Saves echoes and data on whole screen to memory card whole screen to memory SAVE PICTURE card Est MK Saves echoes inside estimate mark to internal memory QK Save Saves echoes and data on whole screen to internal memory SYSTEM Menu Description The SYSTEM menu can be displayed by pressing MENU Menu Item Description SIGNAL PROCESS Smooth Echo Rng Selects echo smoothing level in range direction The higher the number the higher the smoothing effect The setting range is from 0 to 3 Smooth Echo Cir Selects echo smoothing level in circular direction The higher the number the higher the smoothing effect The setting range is 0 to 3 Delete
73. t lock Continued on next page 5 5 Menu Item Description TARGET LOCK Fish Spd Update Selects update interval of fish speed readout You can select from 5 seconds 10 seconds 20 seconds or 30 seconds Target LK Window Selects size of target lock window in pixels 64 x 64 normal 96 x 96 large or 128 x 128 largest BRG READOUT Course Selects unit of readout for course and bearing between fish marks 32 compass bearing or 360 true bearing Current Data Display current data readout in 32 compass bearing 360 true bearing 180 relative bearing or 360 relative bearing Event Mark Display event mark readout in 32 compass bearing 360 true bearing 180 relative bearing or 360 relative bearing Other Marks Display location of trackball mark and bearing marker in 32 compass bearing 360 true bearing 180 relative bearing or 360 relative bearing DATA DISPLAY Control Setting Keep OFF for normal operation Sonar and TGT Lock options are for factory use only Text Window Data Choose external sensor data to display at screen bottom 1 provides all available data Other options provide less data in larger characters Net Shoot Mark Estimate Mark Current Vector Range Rings Ship s Track MK MARK SIZE 1 Trackball Mark Select size and shape of trackball mark mark or rectangle available in large or small si
74. ta setting window sub panel 2 and select DELETE MK Press appropriate EVENT key to erase mark 7 13 True Motion Display 7 14 The relative motion display places the own ship mark at the screen center and echoes from fish and the seabed move on the screen relative to own ship s movement This means that even when the ship is dead in water fish echoes move on the display In the true motion display however stationary objects are fixed and own ship and fish echoes move on the display in accordance with their true courses and speeds Thus you can observe own ship and fish echo movement with respect to the seabed Open the data setting window and select SONR BEAM Set UP TM in the SONAR menu to TM This function requires speed and heading inputs Although the true motion mode is available for use in all modes use in the combination mode is not recommended since the own ship mark may move into the combination picture area Figure 7 12 True motion display Plotting Net Location Mark Before shooting net you will decide the shoot timing consider ing the water current direction distance to fish school and mov ing direction of the fish school Use the net location mark as a guide to decide the timing This function requires speed and heading inputs 1 Place the trackball mark on fish school to be caught 2 Press the NET COURSE key The net location mark is de picted by dotted ring with a diameter equivalent to that
75. the CARD UTILITY menu CARD UTILITY Press END key to return to main menu Save Execute Delete Execute Initialize Execute Figure 6 2 CARD UTILITY menu 3 Select Save and press the MENU key Note If the card has not been initialized initialize the card by selecting Initialize and then save Replaying Function Key Settings from a Memory Card Press the CARD REPLAY key on sub panel 1 Note When function key settings are replayed from a memory card current settings on all function keys are erased Therefore if necessary save current function key settings to another memory card before replaying 6 3 This page is intentionally left blank ADVANCED LEVEL OPERATION Finding Fish School Center When you want to find the center depth of a fish school use the auto tilt function which automatically scans the tilt angle within the selected width Range m 1 Wiath 2 With 3 75 100 every 6 transmissions 150 200 every 4 transmissions 300 400 every 2 transmissions 500 600 800 1000 more than 1200 For example when the RANGE control TILT lever and WIDTH key are set to 800 m 8 and width 1 respectively the tilt angle varies at every transmission as follows 8 8 10 10 12 12 14 5 14 12 12 10 10 8 8 6 6 4 4 2 2 4 4 6 6 8 Tilt Angl
76. the Gain The GAIN control adjusts receiver sensitivity gain Adjust it so fish echoes are clearly displayed with minimal noise on the screen Too high a setting not only displays excess noise and makes it difficult to discriminate wanted echoes but also causes seabed echoes to be painted in strong colors resulting in echoes being masked by seabed reflections Normally set the control somewhere between positions 3 and 7 d A N S 4 X P Gain low Gain proper Gain high Figure 2 4 Gain settings and resulting picture Measuring Range and Bearing to a Target Operate the trackball to place the trackball mark on the target you want to measure the range and bearing The range and bear ing appear at the upper left corner on the screen Figure 2 5 Location of range and bearing indications Note The bearing is shown in either 360 or 180 indication relative to ship s heading In the latter case bearing is indicated as follows B C P on the port side B IL 1S on the starboard side 2 7 This page is intentionally left blank FINE TUNING THE PICTURE Eliminating Unwanted Feeble Echoes Echoes from targets such as seabed and fish return to the trans ducer in order of distance to them and when we compare their intensities at the transducer face those from nearer targets are generally stronger when their refle
77. uctions on the screen CON eue eme LS COMMELER SAVE unge id CLOSE ne mem PCS MENG key Lo Cancel Change aud CLOSE ne meu mese LND key Continued on next page 5 8 Echo Sounder Marks Menu Menu Item Description CHANGE COLOR Sonar 1 You can customize the color of these items Sonar 2 according to user request etc Note that Sonar 2 is not used For display color change on Sonar you can change color according to selection by COLOR key 1 First select item to change on CHANGE COLOR sub menu and then press the MENU key Before Display Before G B Color Q m OQ CO 2 Using the arrow keys place the cursor on color segment you want to change color If you are changing the color of marks or the menu press the HELP key to display guidelines for changing their colors 3 Press the up or down arrow keys to change value between 0 and 100 You can press and hold down the keys to get faster change 4 Repeat steps 2 and 3 to change other colors 5 Press MENU key to terminate color setting Then the display shown below appears Follow the instructions on the screen CHAN eme SCHUM LS CODIDLEL EL Lo SOVE aud CLOSE ne meu P7 CSS MENG hey L0 Cancel Change aud CLOSE lhe meu MAKE LND hey Continued on
78. ure 1 1 Display unit and remote control box 1 1 Main Panel TRANSDUCER E m m m RANGE A V SCAN DEPTH r3 NET TARGET COURSE LOCK DIM CONT BRILL AUDIO EVENT EVENT2 ESTI ESTI MATE MATE OFF FISH CENT O Figure 1 2 Main panel Main panel control description Control Function POWER ON ON Turns on the system The lamp above the key lights during Tx POWER OFF and blinks when the TX key in sub panel 1 is turned off OFF Turns off the system Press after retracting the transducer TRANSDUCER Raise and lower the transducer The small down arrow key provides mid protrusion the large down arrow key full protrusion The UP arrow raises the transducer F1 F3 Sets up display according to user program provide fine tuning NORM E S HIST Select display mode NORM normal sonar picture E S Echosounder Mode keys combination HIST Historical display Lamp above a key lights to show current selection RECALL MEMO RECALL Replays saved picture MEMO Saves picture to memory card or internal memory RANGE Selects a picture display range Range selected appears on the display GAIN Adjusts receiver sensitivity NARROW Sharpens width of Tx beam when turned on light above key is on The off position provides normal Tx beamwidth BOOST Changes weight of vertical direction
79. y Item DATA DISPLAY 4 Event Mark 1 Event Mark 2 Fish Mark On Track Data Text Window ES Window MARK DSP 1 Range Bearing Heading Mark Range Rings Bearing Scale Auto Scan Width Auto Train Width MARK DSP 2 Ship s Track Net Movement Plot Fish MK Connect Fish Tracking MK Fish Track Plot CURRENT VEC U w Current Vec w Current CY w Current 10 1 This page is intentionally left blank INTERPRETING THE DISPLAY Seabed Echoes When the tilt angle is widened the seabed echo illustrated be low will appear on the display When the tilt is narrowed the seabed trace becomes wider and weaker By observing the sea bed condition on the display the skipper can prevent net dam age A Flat seabed Tilt angle 10 to 15 Narrow tilt angle e d Only half of UE vertical beam width captures the seabed B Flat seabed Tilt angle 20 or more Seabed is displayed narrower and in stronger colors when compared to A C Sloping seabed Tilt angle 20 or more Shallow bottom is displayed in a strong color and with a short tail Seabed The deeper seabed echo is displayed in a weak color and with a long tail Figure 11 1 Seabed echoes Fish Schools A fish school appears as a mass of echoes on the screen The color of
80. y or may not capture the seabed since the re turning echo is weak 2 3 2 4 How to discriminate fish echoes from the seabed The figure below illustrates how two fish schools 8 and b are displayed on the screen using three different tilt angles Case 1 Tilt angle 30 to 40 degrees Fish school is obscured by the seabed Case 2 Tilt angle 10 to 20 degrees Fish school is located above the seabed midwater Case 3 Tilt angle 0 to 10 degrees Fish school is located close to the seabed Case 1 Case 2 Case 3 Seabed Seabed Case 1 Figure 2 1 Fish echo and tilt angle Points to consider Normally a vertically distributed fish school is a better sonar target than the seabed because it reflects the transmitted pulse back toward the transducer Incase 3 both fish schools 8 and 6 are presented Gener ally speaking however midwater fish schools tend to be larger than bottom fish schools and they are often displayed near the seabed on the display tis difficult to detect bottom fish when they are not distrib uted vertically Tilt angle for surface fish Sound emitted from the sonar transducer forms a circle shaped beam with a width of approximately 16 degrees in the vertical direction vertical beam width The tilt angle is indicated by the angle between the center line of the beam and the horizontal plane Then if the tilt angle is set to 0 degrees the center line is parallel with the
81. ys Setting change keys Select item Change control setting OPER P SET key Opens closes data setting window Figure 1 4 Sub panel 2 Sub panel 2 control description Main Setting Normal Item Sub Range e Setting NEAR Adjusts receiver gain within 100 m Adjusts receiver gain between nS D 100 m and 400 m FAR Adjusts receiver gain beyond 400 m B setting fastest 0 synchro nizes with external KP Sets Tx pulselength 9 is normal setting Sets Tx output power 9 is maximum power Sets Tx cycle 9 is normal CYCLE TRANS Continued on next page 1 5 Tm 0 Sets depth range of echo sounder picture Sets range of s recorder downward sounding GAIN 0 10 Adjusts receive sensitivity TONNES ET ES M net recorder upward sounding Rejects blue dots caused by NL 0 di irty water on entire screen o Eliminates echoes displayed in Automatically reduces receiver 0 10 gain against strong echoes such SIGNAL 7 as seabed Adjust so fish echo is PROCESS displayed near seabed Suppresses seabed echoes If 0 4 AGC alone cannot suppress seabed echoes use 2AGC Selects echo level versus presen SIGNAL 1 4 tation color curve The higher i the setting the easier it is to see weak echoes on the screen Rejects random noise and inter 0 3 ference by other echo sounders sonars Adjusts echo afterglow which is 0 4 useful for watching echo move 7 ment
82. ze Target Lock Mark You can select the size of these marks for Event Mark 1 large or small Event Mark 2 Fish Mark Own Ship Mark MARK SIZE 2 Own Ship Mark Select the size of these marks for large or small Select the length of the current vector for long or short Select interval times range in use of range rings 1 4R or 1 2R Choose length times range in use of ship s track Continued on next page 5 6 Menu Item Description ES NET REC ES 1 Color Curve Select echo level versus presentation color curve for echo sounder 1 Linear Weak echoes are not as conspicuous as in log setting Useful for eliminating weak echoes Log Weak echoes are painted in stronger colors The higher the setting the easier are weaker echoes to see on the display ES 2 Color Curve Picture Advance Same as above except for echo sounder 2 Set picture advance speed for the echo sounder display Advance at Shoot Choose Sonde to have ship s speed dependent advance of echo sounder picture while shooting net and KP to have advance synchronized with transmission Net Rec Picture Select net recorder picture display mode up down or down sounding HIST DISPLAY H Slice Width Select width for sampling echoes along upper half of range marker in horizontal slice display The higher the setting the wider the sampling area PRT STBD Sample Set angle from ship s bow for sampling ec

Furuno CSH-53 Radar Detector User Manual

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