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Furuno CSH-8L Radar Detector User Manual

1. 1 17 Color 8 10 Continuous test 8 8 Control 1 1 Current vector 7 2 D Default settings 7 4 DELETE MARK 3 6 3 8 Deleting 3 9 Depth measurement echosounder mode 4 3 Diagnostics CHOOSING i iere er er a e eds 8 7 color tes cette 8 10 continuous 8 8 echo tests EAS 8 12 panel test 2 9 8 9 pattern test vex Ache ers 8 10 single test tte 8 8 8 11 DIMMER 5 eee 1 5 Display mode 1 6 Draft 4 6 E Echo average 2 7 Echo 1655 8 12 Error 8 6 EVENT 3 7 Event marks deleting hee eee ett 3 8 deleting all eet 3 9 EMI sr 3 7 F Fan 8 4 Fish Alan 3 4 FISH ALARM key 3 4 FISH ete testet 3 5 FISH marks deleting all itat tue 3 9 deleting 3 6 entering RS 3 5 Function keys confirming program 3 11 2 2
2. TX OUTPUT 8 TX OUTPUT 7 TX OUTPUT 8 PULSELENGTH 7 PULSELENGTH 5 PULSELENGTH 8 TX CYCLE 10 TX CYCLE 10 TX CYCLE 10 TVG NEAR 5 TVG NEAR 5 TVG NEAR 6 TVG FAR 5 TVG FAR 6 TVG FAR 7 HOR Narrow HOR Narrow HOR Narrow BEAMWIDTH BEAMWIDTH BEAMWIDTH VER Narrow VER Wide VER Wide BEAMWIDTH BEAMWIDTH BEAMWIDTH COLOR CURVE 1 COLOR CURVE 4 COLOR CURVE 3 COLOR 3 COLOR 1 COLOR 8 RESPONSE RESPONSE RESPONSE 3 8 3 Programming specific function You may program a function key with a menu item from the SONAR or SOUNDER menu to use as shortcut Most items are available except TRANSMISSION ASSIGN SETTING and ASSIGN MENU from the SONAR menu and DRAFT from the SOUNDER menu Locked items shown in red are available however the message which asks if you are sure to change a setting is not displayed when the corresponding function key is operated d pas more than three seconds 6 Press the MENU key to close the menu Press the MENU key to open the menu Use the RANGE control to choose MENU MODE Use the GAIN control to choose SONAR or SOUNDER as appropriate Use the RANGE control to choose item Press appropriate function key until the message COMPLETED appears 3 11 3 ADVANCED SONAR OPERATION 3 8 4 3 12 Confirming function key program You may confirm function key program as below a ES Press the MENU key to open the menu Use the RANGE control to choose MENU MODE Use the
3. OPERATOR S MANUAL COLOR SCANNING SONAR MODEL CSH 5L CSH 8L FURUNO ELECTRIC CO LTD NISHINOMIYA JAPAN PRINTED IN JAPAN FURUNO ELECTRIC CO LTD Your Local Agent Dealer 9 52 Ashihara cho Nishinomiya Japan Telephone 0798 65 2111 fax 0798 65 4200 All rights reserved 00 Printed in Japan FIRST EDITION DEC 2002 JUL 06 2004 C a MAN YOSH CSH 5L 8L 00080940402 13190 00 A SAFETY INSTRUCTIONS A WARNING A WARNING ELECTRICAL SHOCK HAZARD Use the proper fuse Do not open the equipment Fuse rating is shown on the equipment Only qualified personnel Use of a wrong fuse can damage the should work inside the equipment equipment Do not operate the equipment with wet Immediately turn off the power at the hands switchboard if water leaks into the equipment or something is dropped in Electrical shock can result the equipment Continued use of the equipment can cause fire or electrical shock Contact a FURUNO agent for service Do not disassemble or modify the equipment Fire electrical shock or serious injury can result 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 Immediately turn off the power at the switchboard if the equipment is emitting smoke or fire Continued use of the equipment can cause fire or electrical sho
4. 4440000 3 10 programming 3 11 Fuse 8 4 Gain 2 40000 4 2 SNAP sid ic be tege 1 9 GAIN control 1 9 H Heading 7 3 gO aw oe UE 8 2 Interference rejector echosounder rererere 4 4 SONI 5 cte n ere rr RE 2 5 K Keying 7 4 L 7 4 LOG 7 4 1
5. R STAB Stablizer Mark Picture is stabilizer on bearing chosen with this mark B 45S 2 Stablizer bearing data Stabilizer mark Note If the target lock function is active when the stabilizer is turned on the stabilizer works on the bearing selected for the target lock feature target lock function has higher priority and the stabilizer mark is not displayed Even when target lock is deactivated the stabilizer operates on the bearing selected for target lock 3 13 3 ADVANCED SONAR OPERATION 3 To turn off the stabilizer press the STABILIZER key The stabilizer mark stabilizer indication and stabilizer bearing data are erased If range and bearing marks are shown they are displayed along with their data Note 1 The tilt angle can be manually set in the range of 0 55 however pitching and rolling are compensated within the 20 in the tilt angle range of 0 to 55 Note 2 If the target lock is activated while the stabilizer is on the bearing set for target lock will be used with the stabilizer as well and the stabilizer mark is erased When the target lock is turned off the bearing set before target lock was turned on is used and the stabilizer mark reappears at the bearing originally selected 3 14 4 ECHOSOUNDER MODE This chapter covers operation of the echosounder picture which may be displayed by choosing the COMBI 2 mode 4 1 Choosing the Range The basic range and range s
6. WARNING ELECTRICAL SHOCK HAZARD Do not open the equipment Only qualified personnel should work inside the equipment 8 1 General Maintenance This equipment is designed and constructed to provide many years of trouble free performance when properly maintained However no machine can perform to the utmost of its ability without proper maintenance Check the following points monthly e Check all cables If damaged replace e Check connectors at rear of each unit Tighten or clean as necessary Check earth of each unit Tighten or clean as necessary e Check voltage of ship s mains to be sure it is within the equipment s power rating 8 2 Cleaning the Equipment Dust or dirt can be removed from the equipment with a soft dry cloth Do not use chemical cleaners to clean the equipment they can remove paint and markings or deform the equipment 8 1 8 MAINTENANCE TROUBLESHOOTING 8 3 X Hull Unit Maintenance 8 3 1 Lubrication points zinc plate A Apply MOLYTONE grease 2 or equivalent every six months Nd t 3 S Z A Raise transducer and coat main shaft with DAPHAECOROAEX 2 or equivalent every six months The zinc plate attached near the transducer must be replaced every year The junction between the main shaft and transducer Dry dock ship and clean may corrode which may transd
7. and direction Scale _ C2 0 8kt 298 for 3 layers T rget Lock Event Mark H 0 4kt 256 2 557 WATER TEMP 12 0 C 7 Temperature ie Mark A r Own Ship Position A M rk 4 Temperature A Range Ring Bon NN Graph p x Range Ring Data Ship 5 Tiack DS 238 3450 2 Bearing Mark b VU Sx 498 Note No or missing 15 lt US WE data in text window 121 M j S S 10 5kt 10 shown with asterisks B NW uui don P 658 ESE Event Mark Data Target Lock Data Fish Mark Data Horizontal Range Q 238 Range between fish marks Depth 557 Range gt 493 Range to fish mark Depth at time of entry R d 149 Depth 132 Depth B True Bearing ange sww Bearing S 10 5kt lt Speed Bearing Data ESE Course Requires appropriate sensor Temperature Graph 20min 10 The temperature graph plots the latest 20 minutes of water 14 temperature data with a solid light blue line scrolling from right to left The range of the y axis is 5 and that of the x axis 12 is 20 minutes When temperature data is lost a horizontal dashed line starts extending from the point where the data was lost Temperature data regained 0 Temperature data lost Marks and data on the normal display 4 ECHOSOUNDER Description of marks and data on the
8. GREEN gt BLUE Color test Pattern test The pattern test displays concentric rings overlaid on a grid to test for proper display of rings and horizontal and vertical lines If the test shows error for example no horizontal or vertical lines shown see the monitor s operator s manual for how to adjust the monitor Pattern test 8 10 8 MAINTENANCE TROUBLESHOOTING SIO test This test checks the input output ports CN A1 NMEA1 CIF1 NMEA2 CIF2 of the processor unit The result for the CN A1 port is shown as OK or NG No Good The test for the NMEA1 CIF1 and 2 2 ports is for factory use The result is always NG 2 2 port check NMEA1 CIF1 port check m CN A1 port check SIO TEST TRX PORT1 NG PORT2 NG PORT 1 2 FACTORY USE ONLY PRESS MENU KEY TO EXIT SIO test 8 11 8 MAINTENANCE TROUBLESHOOTING Echo tests 8 12 The echo 1 test checks the echo display function of the monitor fo proper operation emitting artificial scan signals in 16 colors If conducted with the COMBI 2 mode active artificial echoes are shown in the echosounder display to test the ES interface The echo 2 test checks the TVG function on the PSW Board in the transceiver unit for proper operation When the MENU key is pressed the equipment goes into start up condition Note For the CSH
9. 4 3 8 1 3 8 2 Operating the function keys 1 Press desired function key The equipment is set according to function key program or a dialog box appears in case of shortcut operation For shortcut operation go to step 2 The illustration below shows the ERASE MARKS dialog box Press the same function key again within five seconds to set value or choose option Be sure to press the function key within five seconds the dialog box is automatically erased after five seconds In case of the SONAR menu item ERASE MARKS use the function key to choose the item to erase and then press the EVENT key to erase ERASE MARKS TRACK SHIP EVENT SHIP ERASE MARKS dialog box Programming for fishing ground or target fish OF ON es DO Set up controls on the control unit according to fishing ground or target fish Press the MENU key to open the menu Use the RANGE control to choose MENU MODE Use the GAIN control to choose SONAR Set all menu items except TRANSMISSION as appropriate Use the RANGE control to choose ASSIGN SETTING 3 ADVANCED SONAR OPERATION 7 Use the GAIN control to choose the function key F1 F4 you want to program 8 Press the EVENT key to program the function key selected at step 7 9 Press the MENU key to close the menu Useful rograms main items onl For detecting surface fish For detecting bottom fish For detecting midwater fish
10. Bearing degree Bearing format may be selected with EVENT FISH on the MARKS menu Any value which exceeds 9999 is displayed with four asterisks Event mark data shown at bottom left corner of the display 3 7 3 ADVANCED SONAR OPERATION Each time the key is pressed the appearance of the event marks changes as below Ten marks may be entered When this amount is exceeded the oldest event mark is automatically erased This data is used to display latest event mark data First press of the EVENT key n 2nd press of the EVENT key gt i n 3rd press of the EVENT gt l l 4th press of the EVENT Past Event Mark Latest Event Mark Event marks 3 6 2 Entering an own ship position mark Operate the trackball to place the trackball mark on the own ship mark and press the EVENT key to inscribe an own ship position mark 10 own ship position marks may be entered When this amount is exceeded the oldest own ship position mark is automatically erased 3 6 3 Deleting an event mark You may delete specific event mark as follows 1 Operate the trackball to place the trackball mark on the event mark or own ship position mark you want to delete The color of the mark changes from white to red if the trackball mark is correctly placed 2 Press the DELETE MARK key to delete the mark 3 8 3 7 3 ADVANCED SONAR OPERATION Collectivel
11. Transducer is being retracted because ship speed set for automatic retraction has been reached The message appears if AUTO RETRACT in the SYSTEM menu is turned on Press the R B key to clear the message 8 8 8 8 1 8 MAINTENANCE TROUBLESHOOTING Diagnostic Tests This unit has 10 diagnostic tests eight with the CSH 8L which check it for proper performance Although the tests are designed primarily for use by the service technician they can also be executed by the user to identify defective components However never attempt to check inside the unit there are no user serviceable parts inside Any repair work is best left to a qualified technician Choosing a diagnostic test 1 Press the MENU key to open the menu 2 Use the RANGE control to choose MENU MODE 3 Use the GAIN control to choose SYSTEM SYSTEM MENU MENU MODE DIMMER DISP SELECT HEADING ADJ AUTO RETRACT SPEED MESSAGE EXT KP SYNC AUTO TRAIN SPD AUTO TILT SPD UNIT SHIP S SPD BR LOG PULSE PORT1 BAUDRATE PORT1 FORMAT PORT2 BAUDRATE PORT2 FORMAT NAV DATA COMBI SCALE SUB TEXT INDI LANGUAGE LON MEGS FTN 19200 19200 MESNE EE Oia WAEN NEDERLND NORSK SINGLE PATTERN SET TO DEFAULT ECHO 3 EXECUTE PRESS MENU KEY TO EXIT QUID OL RANGE CTRL U D GAIN CTRL L R SOUNDER MARKS CURRENT OFF 5 16
12. ASSIGN MENU Displays programs assigned to function keys 1 17 1 OPERATIONAL OVERVIEW This page intentionally left blank 2 FINE TUNING THE SONAR PICTURE 2 1 Eliminating Unwanted Echoes Echoes from targets such as bottom and fish return to the transducer 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 reflecting properties are nearly equal The sonar operator will be quite inconvenienced if these echoes are directly displayed on the screen since the actual size of the target cannot be judged from the size of echoes displayed 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 rang is suppressed and gradually increased as range increases so that similar targets are displayed in the similar intensities irrespective of the ranges to them The CSH 5L CSH 8L incorporates two TVG functions NEAR and FAR and they mainly compensate for propagation loss on short and long ranges respectively centered at the ranges shown below How TVG works 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 obtain the proper TVG setting follow the procedure below Press the MENU key Use the RANGE control
13. GAIN control to choose SONAR Use the RANGE control to choose ASSIGN MENU The current programs are shown at the top of the menu F1 F1KEY F2 F2 KEY TVG NEAR F4 TVG FAR Function key assignment confirmation screen Press the MENU key to close the menu 3 ADVANCED SONAR OPERATION 3 9 Suppressing Effects of Pitching and Rolling Stabilizer The Motion Sensor MS 100 option compensates for the affects of pitching and rolling to provide steady non fading pictures along the bearing selected Follow the procedure below to use the stabilizer feature Stabilizer activated s Tilt angle on front beam Ship tilts compensated in bow direction ZN Displayed Pl gt gt Not displayed i You want to display this fish school No pitching and rolling Ship is pitching and rolling Stabilizer turned ON Tilt angle compensated in one direction only Echo in opposite direction is not displayed Not displayed 0277 Not displayed Beam before stabilizer activated How the stabilizer works 1 Operate the trackball to place the trackball mark on the bearing where you want the stabilizer the picture 2 Press the STABILIZER key The stabilizer mark a dashed line extending from the screen center to the edge of the effective diameter of the sonar display appears on the bearing selected and STAB appears at the top right corner of the sonar display Stabilizer ON
14. NAV DATA COMBI SCALE SUB TEXT INDI LANGUAGE LON 200 19200 gt NMEA 19200 HNMEA 5 Oia NEDERLND NORSK SINGLE PATTERN SET TO DEFAULT ECHO 3 EXECUTE PRESS MENU KEY TO EXIT RANGE CTRL U D GAIN CTRL L R SOUNDER MARKS CURRENT OFF 5 16kt OFF ON HIGH HIGH FEET CURRENT 400 9600 CIF 9600 CIF LC LEFT ON JAPANESE FRANCAIS FATHOMS NAV DATA 4800 4800 DR ESPA OL ITALIANO CONTI SIO ECHO 4 PANEL ECHO 1 System menu Use the RANGE control to choose DIMMER Operate the GAIN control adjust the dimmer The setting range is 0 10 GYRO NAV 2400 2400 ALL DANSK KOREAN COLOR ECHO 2 Adjust the control clockwise to increase backlighting counterclockwise to decrease it Press the MENU key to close the menu 1 5 1 OPERATIONAL OVERVIEW 1 3 5 1 6 Choosing a display mode Three display modes are available NORMAL COMBI 1 and COMBI 2 To choose the display mode do the following Press the MENU key to open the menu The last used menu is displayed Use the RANGE control to choose MENU MODE at the top of the screen Use the GAIN key to choose SONAR Use the RANGE control to choose DISPLAY MODE Use the GAIN control to choose desired mode among COMBI 1 NORM and 2 6 Press the ME
15. control to choose SYSTEM or MARKS as appropriate MARKS Menu MARKS MENU RANGE RINGS BEARING SCALE CURRENT VECTOR CURRENT DIR SHIP S TRACK i COURSE HEADING M32CMPS CURRENT DATA EVENT FISH AS OTHER MARKS POSITION DATA PRESS MENU KEY TO EXIT RANGE CTRL U D GAIN CTRL L R SOUNDER MARKS SYSTEM 360TRUE 360TRUE 360TRUE 360TRUE 360 TD MARKS menu 7 1 7 5 AND SYSTEM MENUS MARKS menu description 77 RANGE RINGS Turns the range rings on off and chooses range ring interval 1 4 or 1 2 the range When turned off the north mark and heading mark are also turned off BEARING SCALE Turns the electronic bearing scale on off ii 30 Turns the current tide mark on off VECTOR SHIP S TRACK Turns ship s track display on off 5R and 10R are the amount of track to display that is the length of the track shown on the display is five and ten times the range respectively COURSE Chooses how to display course in 32 compass points or 360 true 5 5 5 CURRENT DIR Turns current tide data on or off FROM shows what 5 3 direction the current is flowing shows the direction the current is heading Requires a current indicator Current Mark TO 5 5 5 3 3 3 3 3 2 3 HEADING Chooses how to display heading in 32 compass points or 360 true CURRE
16. key to close the menu puer paccm Note When the sonar is used in shallow waters with the range set between 100 m and 200 m and the TX cycle at 10 a previously reflected echo appear at close range In this case reduce the TX cycle to 7 or 8 to reject it 2 6 2 6 2 6 1 2 6 2 2 7 2 8 2 FINE TUNING THE SONAR PICTURE Choosing Beamwidth Horizontal beamwidth If you wish to have better bearing discrimination ability to distinguish two closely located targets at the same range and different bearings for fish schools and also wish to examine the contour of bottom set HOR BEAMWIDTH to NARROW on the SONAR menu Vertical beamwidth For better bearing discrimination in the vertical direction set VER BEAMWIDTH to NARROW on the SONAR menu Deleting Weak Echoes You can remove weak echoes to clear the picture Echoes are deleted by strength so this feature is useful for observing only large fish schools or suppressing interference Press the MENU key to open the menu Use the RANGE control to choose MENU MODE at the top of the screen Use the GAIN control to choose SONAR Use the RANGE control to choose DELETE COLOR Use the GAIN control to choose setting The setting range is 0 10 and the higher the number the stronger the echo that will be erased 6 Press the MENU key to close the menu QUT poc Echo Averaging You may adjust echo afterglow to follow echo movement The higher the
17. 8L on the SONAR menu set NOISE LIMITER to HOR BEAMWIDTH to WIDE before conducting this test The echo 3 test checks the analog multiplexer on the PSW Board in transceiver unit for proper operat This test is not available with the CSH 8L When the MENU key i pressed the equipment goes into start up condition The echo 4 test checks the BMF in the transceiver unit for proper operation This test is not available with the CSH 8L When the MENU key is pressed the equipment goes into start up condition Display r and the ion S PRESS MENU KEY TO EXIT SE Board PRESS MENU KEY TO EXIT Echo tests SPECIFICATIONS OF COLOR SCANNING SONAR 1 PROCESSOR UNIT 1 1 Display Mode 1 2 Colors 1 8 Mark 1 4 Alphanumeric Data Sonar Picture Trackball Mark Event Mark Bearing Range Mark Own Ship s Position Navigation Data Current Data 1 5 Unit 1 6 Features 2 TRANSCEIVER UNIT 21 Transmitter 2 2 Receiver 2 3 Feature 24 Frequency CSH 5L CSH 8L 04 07 05 CSH 5L 8L Single scan Echo sounder combination single scan and echo sounder Audio combination single scan and audio pictures Scan echo 16 colors mark 1 color Own ship s track Heading line Direction distance Fish school Event Target lock Range tilt angle gain Slant range horizontal range depth bearing Horizontal range depth first event m
18. CONTI SIO ECHO 4 PANEL ECHO 1 SYSTEM menu Description of SYSTEM menu FATHOMS NAV DATA 4800 4800 GYRO NAV 2400 2400 ALL DANSK KOREAN COLOR ECHO 2 Adjust control panel backlighting Chooses whether to display current tide data or temperature data in the combination displays Compensates for error compensation range 0 359 in heading alignment of hull unit If you want to turn the displayed echo 30 leftward for example enter 30 and to turn it rightward 30 enter 330 7 MENU DESCRIPTION Description of SYSTEM menu con t from previous page Hem Description Ref Page AUTO RETRACT Turns automatic transducer retraction on off and sets speed 5 16 at which retraction occurs This function requires speed data The transducer may be retracted at a speed different from set here if the speed data is wrong Reduce the ship s speed below 16 knots and then retract the transducer SPEED MESSAGE Turns on off ship s speed warning message EXT KP SYNC Turn on when using external keying pulse AUTO TRAIN SPD Chooses scanning speed of bearing mark high or low High speed is useful for general searching and tracking fast moving fish schools AUTO TILT SPD Chooses the speed of tilt change in automatic tilting from high or low UNIT Chooses unit of depth and distance measurement among meters feet fathoms passi braza Note The unit of measurement is fixed
19. Distance to the bottom changes due to rolling and becomes irregular pitching Long range selected Transmission period is longer so ship s pitching and rolling are apt to affect detection of echo Weak echo Output power set to minimum Set TX OUTPUT SONAR menu to maximum Excessive TVG Readjust TVG NEAR and FAR on the SONAR menu Somewhat strange e Brilliance too low Adjust display brilliance color Picture contains e Equipment not grounded properly Check equipment ground noise e Power cable is too close to the signal cable Relocate power cable or signal cable Debris may be on sea surface Reject unwanted noise with the interference rejector on the SONAR menu Picture does not e Problem in tilt mechanism or control line Contact a FURUNO agent change when tilt or dealer for advice angle is changed 8 5 8 MAINTENANCE TROUBLESHOOTING 8 7 Error Messages The table below shows the error messages which may appear on the display All error messages are accompanied by the audio alarm which you may silence with the R B key Error messages Meaning Remedy Overvoltage OVERVOLTAGE RETRACT TRANSDUCER AND TURN OFF POWER PRESS R B KEY TO CLEAR ALARM Excessive voltage detected The message flashes and the audio alarm sounds Retract the transducer and then turn off the power Press the R B key to silence the audio alarm Have a technician check the set Transducer not retracted TRANSDUCER NOT RETRACTE
20. Use the GAIN control to choose SONAR SONAR M SONAR DISPLAY MODE TX OUTPUT PULSE LENGTH TX CYCLE TVG NEAR TVG FAR AGC 2ND AGC NOISE LIMITER COLOR CURVE COLOR RESPONSE DELETE COLOR ECHO AVERAGE INT REJECT HOR BEAMWIDTH VER BEAMWIDTH COLOR ERASE MARKS ALARM LEVEL AUTO TRAIN TRAIN SECTOR AUTO TILT TILT ANGLE TRANSMISSION AUDIO VOLUME ASSIGN SETTING ASSIGN MENU 9 ON 15102 ON 2 10 ON 10 F1 KEY EXECUTE PRESS MENU KEY TO EXIT RANGE CTRL U D GAIN CTRL L R SOUNDER MARKS SYSTEM 2 SONAR menu 4 Use the RANGE control to choose TRANSMISSION 5 Use the GAIN control to choose ON The sonar starts transmitting and the sonar picture appears 6 Press the MENU key to close the menu To turn off transmission choose OFF at step 5 TX OFF appears at the top right corner of the sonar display when the transmitter is turned off 1 4 1 OPERATIONAL OVERVIEW Adjusting backlighting of control unit 1 Press the MENU key to open the menu 2 Use the RANGE control to choose MENU MODE at the top of the screen 3 Use the GAIN control to choose SYSTEM SYSTEM MENU MENU MODE DIMMER DISP SELECT HEADING ADJ AUTO RETRACT SPEED MESSAGE EXT KP SYNC AUTO TRAIN SPD AUTO TILT SPD UNIT SHIP S SPD BR LOG PULSE PORT1 BAUDRATE PORT1 FORMAT PORT2 BAUDRATE PORT2 FORMAT
21. for some menu items for example draft When the unit is changed echosounder range and shift are reset to O zero SHIP S SPD BR Chooses source of speed and course data with which to draw ship s track The choices are log gyrocompass current indicator nav data and gyro nav data LOG PULSE Chooses log pulse mile specification of speed log 200 or 400 pulses mile PORT1 BAUD Sets baud rate of equipment connected to port 1 among RATE 2400 4800 9600 and 19200 bps PORT1 FORMAT Sets format of equipment connected to port 1 NMEA or CIF Furuno PORT2 BAUD Sets baud rate of equipment connected to port 2 among RATE 2400 4800 9600 and 19200 bps PORT2 FORMAT Sets format of equipment connected to port 2 NMEA or CIF Furuno NAV DATA Chooses source of nav data among GPS LC Loran C DR Dead Reckoning or ALL ALL automatically chooses source in the order of GPS Loran and dead reckoning COMBI SCALE Chooses the location of the depth scale and distance scale 5 6 in the combination displays right or left side SUB TEXT INDI For use by service technicians Normally turn this indication off LANGUAGE Choose the language to display among English Japanese Korean and several European languages TEST Chooses the test to execute SET TO DEFAULT Restores all default settings including controls Choose this item and then press the EVENT key to restore all default settings 7 4 8 MAINTENANCE TROUBLESHOOTING
22. key to close the menu quo foc Suppressing Low Level Noise Low level noise often caused by sediments in water is painted on the screen as a large number of light blue dots These echoes may be suppressed as below Clutter Press the MENU key to open the menu Use the RANGE control to choose MENU MODE at the top of the screen Use the GAIN control to choose SOUNDER Use the RANGE control to choose CLUTTER CLUTTER is locked so use the GAIN control to choose YES and then press the EVENT key 6 Use the GAIN control to choose setting The setting range is 0 0 10 0 and the higher the number the stronger the echo that will be erased 7T Press the MENU key to close the menu QU qc po Ni cx 4 7 4 ECHOSOUNDER Erasing Weak Echoes Sediments in the water or reflections from plankton may be painted on the screen in green or light blue as shown in the illustration below These echoes may be erased in order of strength as below Weak reflections Weak echoes Press the MENU key to open the menu Use the RANGE control to choose MENU MODE at the top of the screen Use the GAIN control to choose SOUNDER Use the RANGE control to choose DELETE COLOR Use the GAIN control to choose setting desired The setting range is 0 10 and the higher the setting the stronger the echo that will be erased 6 Press the MENU key to close the menu 4 5 4 ECHOSOUNDER 4 8 Oth
23. or going away the tone becomes higher when the school is approaching and lower when the school is going away 1 Operate the trackball to place the trackball mark on the direction you want to monitor through the speaker If the trackball mark is placed on the own ship mark when the R B key is pressed the range and bearing marks and range and bearing marks data are erased 2 Press the R B key The bearing mark appears on the bearing selected with the trackball mark Listen to echoes through the loudspeaker You may adjust the volume of the loudspeaker with AUDIO VOLUME on the SONAR menu 3 To change aural coverage area do the following a Press the MENU key to open the menu b Use the RANGE control to choose MENU MODE at the top of the screen Use the GAIN control to choose SONAR d Use the RANGE control to choose AUTO TRAIN e Use the GAIN control to choose ON f Use the RANGE control to choose TRAIN SECTOR g Use the GAIN control to choose train sector among 10 20 x40 and 60 Train Sector Bearing Mark Range Mark R 400 455 2 Range and bearing marks data z Relative bearing format may be chosen with OTHER MARKS in the MARKS menu h Press the MENU key to close the menu Then automatic training starts centered on the bearing mark To turn off automatic training choose OFF at step e 3 3 3 ADVANCED SONAR OPERATION 3 3 The Fish Alarm The fish alarm g
24. rejection level from 0 OFF to 3 highest degree of suppression 6 Press the MENU key to close the menu UB E is Rejecting noise with the noise limiter Weak unwanted reflections colored light blue or green are displayed when water is contaminated or plankton layers exist or due to ship s noise Press the MENU key The last used menu appears Use the RANGE control to choose MENU MODE at the top of the screen Use the GAIN control to choose SONAR to display the SONAR menu Use the RANGE control to choose NOISE LIMITER Use the GAIN control to set noise limiter level The setting range is 0 10 and the higher the figure the greater the degree of suppression 6 Press the MENU key to close the menu 809 Tet 2 5 2 FINE TUNING THE SONAR PICTURE 2 5 4 Rejecting interference with TX cycle When other sonars of the same TX frequency as own sonar are near an interference ring caused may be displayed To erase the interference ring from the screen reduce the TX CYCLE setting Interference Tx cycle high Tx cycle lowered Interference rings Press the MENU key Use the RANGE control to choose MENU MODE at the top of the screen Use the GAIN control to choose SONAR to display the SONAR menu Use the RANGE control to choose TX CYCLE Use the GAIN control to set TX cycle The setting range is 0 10 and the higher the figure the longer the TX cycle 6 Press the MENU
25. selected with OTHER MARKS on the MARKS menu Range setting selected with the RANGE control appears at top right corner of the sonar display Tilt Angle Data The tilt angle appears below the range indication at the top right corner of the sonar display The tilt angle can be changed in 1 steps within the range of 0 to 55 In target lock and automatic tilt control the instantaneous tilt angle appears in parentheses 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 angle at which the sonar actually works Gain GOL The gain chosen with the GAIN control appears on the top right corner of the sonar display Function Key Number Function key number appears at the top right corner of the sonar display Requires appropriate sensor 5 MARKS AND DATA Description of marks and data on the normal display con t from previous page Mark Data Description Range Rings The range rings are dashed concentric circles inscribed at intervals of 1 4 or 1 2 of the range in use depending on menu setting Range ring data is also provided every two range rings Electronic Bearing Scale The electronic bearing scale is the outermost ring on the sonar display and is available with heading sensor
26. setting the longer the afterglow remains on the screen Press the MENU key to open the menu Use the RANGE control to choose MENU MODE at the top of the screen Use the GAIN control to choose SONAR Use the RANGE control to choose ECHO AVERAGE Use the GAIN control to choose setting The setting range is 0 OFF to 3 and the higher the setting the longer echoes remain on the screen 6 Press the MENU key to close the menu des 2 7 2 FINE TUNING THE SONAR PICTURE This page intentionally left blank 2 8 3 3 1 ADVANCED SONAR OPERATION Tracking a Fish School target lock Target lock which requires speed and heading inputs automatically tracks a fixed location such as a reef so that you won t lose sight of it on the display screen 1 On the sonar display operate the trackball to place the trackball mark on the location you want to track 2 Press the TARGET LOCK key The target lock mark appears the echo selected and the bearing mark bisects the echo Horizontal range depth and bearing to the target appear at the bottom right hand corner of the sonar display Note that target lock is automatically cancelled when the echo moves 1 5 times the range in use Target Lock Mark Target lock bearing mark Target Lock Data 650 Horizontal range from own ship to target 153 Depth of target NNE Relative bearing to target Relative be
27. to choose MENU MODE at the top of the screen Use the GAIN control to choose SONAR to display the SONAR menu Use the RANGE control to choose TVG NEAR Use the GAIN control to adjust gain Use the RANGE control to choose TVG FAR Use the GAIN control to adjust TVG FAR setting range 0 10 When sea surface reflections or plankton layers disturb the picture adjust TVG NEAR to eliminate them They will be eliminated by decreasing the setting by 1 or 2 SO DUO ees 2 1 2 FINE TUNING THE SONAR PICTURE 2 2 2 3 2 3 1 2 2 8 long range locate a fish school which is approaching own ship Note that the tilt should be kept adjusted so that the fish school is always placed in the center of the sonar beam i e so that the fish school is displayed in strongest colors possible Check that the fish echo is displayed in the same color while it approaches If the color changes suddenly to weaker colors as the fish echo enters FAR and NEAR areas the TVG is improperly set Adjust the TVG to correct it If this again produces sea surface reflections and noise try to remove them with the AGC and noise limiter as described later on 9 Press the MENU key to close the menu Displaying Surface Fish Clearly When you are searching for surface fish with the tilt set to a narrow angle sea surface reflections may disturb or mask wanted fish echoes In this case in addition to the TVG adjustment descr
28. 0 to 40 degrees Fish school is obscured by the bottom echo Case2 Tilt angle 10 to 20 degrees Fish school is located above the bottom echo midwater Case 3 Tilt angle 0 to 5 degrees Fish school is located close to the bottom echo Case 1 Case2 Case 3 Case 1 Case2 Case 3 How to discriminate fish echoes from bottom 1 4 4 1 4 5 1 OPERATIONAL OVERVIEW Points to consider As a general rule of thumb a vertically distributed fish school is a better sonar target than a horizontally one since it reflects the transmitted pulse back toward to the source e n case 3 both fish schools a and b are presented Generally speaking however midwater fish schools tend to be larger than bottom fish schools and they are often displayed near the bottom on the sonar screen Detection of bottom fish is difficult if they are not distributed vertically Tilt angle for surface fish Sound emitted from the sonar transducer forms a circle shaped beam with a width of approximately 15 6dB in the vertical direction 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 O degrees the center line is parallel with the sea surface and one half of the emitted sound goes upward toward the sea surface This causes a half of the emitted sound to be reflected back toward the transducer and displayed on the screen as sea surface reflections When the
29. 200 250 300 350 400 450 500 600 800 1000 1200 1600 For example when the RANGE control TILT lever and automatic tilt are set to 1000 m 8 2 10 respectively the tilt angle changes at each transmission as follows 8 gt 10 gt 8 gt 6 gt 8 gt Auto tilt concept 1 11 1 OPERATIONAL OVERVIEW 1 4 2 1 4 3 Bottom and tilt angle Finding the proper tilt angle is of utmost importance when searching for fish especially in coastal water fishing where the depth of the fishing ground is from 50 100 m In this type of fishing ground it is imperative that the bottom echo be always displayed to properly distinguish between fish and the bottom When selecting a tilt angle keep the following points in mind Case 1 Tilt angle 30 to 40 degrees This tilt angle uses the full beamwidth to receive echoes thus the entire bottom echo is displayed Fish echoes may be hidden in the bottom echo Case 2 Tilt angle 10 to 20 degrees This tilt angle receives bottom echoes within the bottom half of the beam Fish echoes astern of the bottom echo are displayed Case 3 Tilt angle 0 to 5 degrees This tilt angle may or may not display returning echoes Fish echoes near the bottom echo are displayed How to discriminate fish echoes from the bottom The following figure illustrates how two fish schools a and b are displayed on screen using three different tilt angles Case 1 Tilt angle 3
30. 4 KEY ASSIGN MENU EXECUTE 1 6 vf 2 1 2 53 1 1 0 1 1 PRESS MENU KEY TO EXIT Sonar menu 1 15 1 OPERATIONAL OVERVIEW 4 Use the RANGE control to choose a menu item The selected item is highlighted Note Items displayed in red are locked to prevent accidental change of setting When any of those items are selected the display shown below appears to ask you if you are sure to change the setting To change the setting use the GAIN control to choose YES and then press the EVENT key The items colored in red turn green to show that they are available for adjustment SELECTED MENU IS LOCKED ARE YOU SURE TO CHANGE YES PRESS EVENT KEY TO EXECUTE 5 Use the GAIN control to choose the option desired 6 To close the menu press the MENU key 1 6 3 Sonar menu description Description of sonar menu Wem Description Ref page DISPLAY MODE Chooses the display mode among COMBI 1 NORM Audio NORM Sonar COMBI 2 NORM Echosounder TX OUTPUT Adjusts transmitter power PULSE LENGTH Chooses pulse length operating nearby AGC Automatically reduces the receiver gain only against strong echoes such as the bottom or a large fish school to suppress bottom tail 2ND AGC Suppresses bottom echo NOISE LIMITER Suppresses unwanted reflections caused by sediments in water plankton or ship s noise COLOR CURVE Adjusts echo presentation colo
31. 5 1 2 5 2 2 5 3 2 FINE TUNING THE SONAR PICTURE Rejecting Sonar Interference and Noise While observing the sonar picture you may encounter occasional 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 Turn off TRANSMISSION the SONAR menu to stop transmission and operate all on board equipment one by one while observing the picture Run the boat at various speeds to check if the noise is speed dependent If neither of the above two steps affects on the picture adjust the INT REJECT Interference Rejector NOISE LIMITER or TX CYCLE on the SONAR menu as appropriate Rejecting noise with the interference rejector This control is similar to the interference rejector on echo sounders and radars It is effective for rejecting random noise and sea surface reflections in rough sea conditions Set the interference rejector so that noise is just eliminated Do not use an unnecessarily high setting since small wanted echoes may also be rejected Press the MENU key Use the RANGE control to choose MENU MODE at the top of the screen Use the GAIN control to choose SONAR to display the SONAR menu Use the RANGE control to choose INT REJECT Use the GAIN control to set interference
32. 6 Use the GAIN control to set 2ND AGC The setting range is 0 10 and the higher the setting the greater the 2ND AGC effect 7 Press the MENU key to close the menu ues Ogre gt 2 3 2 FINE TUNING THE SONAR PICTURE 2 4 2 4 Suppressing Bottom and Sea Surface Reflections in Shallow Fishing Grounds In shallow fishing grounds with hard or rocky bottom bottom reflections often interfere with wanted fish echoes and they can not be eliminated sufficiently with the aforementioned TVG and AGC especially when the tilt angle is large in order to track fish schools approaching within 400 m In such cases try to reduce the output power without turning down the gain The picture becomes clearer when the output power is reduced rather than when the gain is decreased as illustrated below Press the MENU key The last used menu appears Use the RANGE control to choose MENU MODE at the top of the screen Use the GAIN control to choose SONAR to display the SONAR menu Use the RANGE control to choose TX OUTPUT Use the GAIN control to set TX output The higher the setting setting range 0 10 the greater the TX power 6 Press the MENU key to close the menu UE b gt For long range detection set TX OUTPUT to 10 Bottom echo masks fish echo TVG and AGC adjusted OUTPUT high Fish echo weakened Fish echo OUTPUT decreased gain maintainted How to adjust TX output 2 5 2
33. A 0 0 S Ung ANGA e che atitem elu ee oen cd 4 2 4 3 Picture Advance ede lone ia ones 4 3 4 4 Measuring iati ae gite a Lira Ma 4 3 4 5 Suppressing Interference icri o e ra a nad s Ra re d i T RE E Pe FX E E Pa Fei 4 4 4 6 Suppressing Low Level mmn 4 4 4 7 Erasing Weak ECO CS ct ic ied lied eoe ftti eo eio 4 5 4 8 Other Items the Sounder 2 00 4 6 5 MARKS AND DATA A AA ga 5 1 5 1 Marks and Data on the Normal 5 1 5 2 Marks and Data the Echosounder and Audio 5 5 6 INTERPRETING THE DISPLAY 5 cce sista aree ds a haa aa salka 6 1 Oa Boltor EC c C vC Le LE ee vef 6 1 EIS SG INO eode HIDE 6 2 6 3 Sea Surface ReflecliDhiss b ten salle sire fe is asd tase de estan velba sven ees 6 3 64 6 3 6 5 False by SIdeloD xke Ad c RAE 6 4 6 6 Noise and Interference sessssssssessseeeesseeeeennnee
34. ADING 32CMPS 360TRUE OFF CURRENT DATA 32CMPS 360TRUE 180 360 EVENT FISH 32CMPS 360TRUE 180 360 OTHER MARKS 180 360 POSITION DATA LIL TD System menu MENU key SYSTEM selected from MENU MODE AP 2 DIMMER 0 10 70 DISP SELECT TEMP CURRENT HEADING ADJ 0 359 0 AUTO RETRACT OFF 5 16 kt SPEED MESSAGE ON OFF EXT KP SYNC OFF ON AUTO TRAIN SPD LOW HIGH AUTO TILT SPD LOW HIGH UNIT METERS FEET FATHOMS PA BRA SHIP S SPD BR LOG GYRO CURRENT NAV DATA GYRO NAV LOG PULSE 200 400 PORT1 BAUDRATE 19200 9600 4800 2400 PORT1 FORMAT NMEA CIF PORT2 BAUDRATE 19200 9600 4800 2400 PORT2 FORMAT NMEA CIF NAV DATA GPS LC DR ALL COMBI SCALE RIGHT LEFT SUB TEXT INDI OFF ON LANGUAGE ENGLISH Others TEST SINGLE CONTI PANEL COLOR PATTERN SIO ECHO 1 ECHO 2 ECHO 3 ECHO 4 SET TO DEFAULT EXECUTE CSH 5L only INDEX 2 2ND ACC t E 2 3 A lcg 2 2 ALARM ZONE 3 4 Audio volume 2 2 1 17 Auto retraction itive cree eee 7 4 AOA GS set onan es 1 10 AUD AN 3 3 B Beamwidtli oce ees 2 7 Bearing scale 7 2 C GI ltte tak etes 4 4 Color 1 17 Color curve echosounder 4 6 SON saa 1 16 Color response
35. CENTER Shifts the display unction key program ALARM ZONE Sets fish alarm zone DELETE MARK Deletes selected mark MENU Opens closes menu Control unit 1 1 1 OPERATIONAL OVERVIEW 1 2 Remote Controller option The remote controller provides armchair control of the tilt range gain and menu functions Hole for hanging TILT Control RANGE Control A Increases tilt angle A Increases range Decreases tilt angle Decreases range Chooses menu item in menu operation GAIN Control A Increases gain Decreases gain REMOTE CONTROLLER Chooses menu option in menu operation LJ Remote controller 1 2 1 3 1 3 1 1 3 2 1 OPERATIONAL OVERVIEW Basic Operating Procedure Turning on the power 1 Press the POWER switch on the control unit to turn on the power 2 Turn on the monitor user supply The system initiates the START UP test to check itself for proper operation The results are shown as OK or NG No Good For NG contact your dealer for advice After the test is completed the last used display appears START UP TEST XX XX 7 Program Version No MAIN 0 1050729 ROM RAM VRAM OK EEPROM P W 1050742 XX XX 1050733 RAM 0 1050730 XX XX F ROM RAM OK Self
36. D CUT OFF POWER LINE TO PROCESSOR AND POWER SUPPLY PRESS R B KEY TO CLEAR ALARM If the transducer is not retracted into the tank in approx 35 seconds after the 1 key is pressed the message flashes and the audio alarm sounds Press the R B key to silence the audio alarm Raise the transducer manually following paragraph 8 3 2 High speed WARNING MAX ALLOWABLE SPEED FOR EXTENDED TRANSDUCER IS 16 KT MAX ALLOWABLE SPEED DURING RAISING LOWERING TRANSDUCER IS 16 KT PRESS R B KEY TO CLEAR ALARM WARNING TRANSDUCER IS KEPT EXTENDED REDUCE SHIP S SPEED AND PRESS 1 TO RETRACT TRANSDUCER ACTIVATING AUTOMATIC RETRACTION PRESS R B KEY TO CLEAR MESSAGE Ship s speed is higher than 16 knots when you attempted to lower or retract the transducer The message flashes and the audio alarm sounds Press the R B key to silence the audio alarm Reduced speed to less than 16 knots and the previously used display appears If you attempt to lower the transducer when the speed is higher than 16 knots the message flashes and the audio alarm sounds The transducer is neither raised nor lowered Ship s speed is higher than 18 knots with the transducer extended The message flashes and the audio alarm sounds Press the R B key to silence the audio alarm Lower speed below 18 knots and the previously used display appears Automatic retraction ACTIVATING AUTOMATIC RETRACTION PRESS R B KEY TO CLEAR MESSAGE
37. EXIT XX XX Program Version No Control unit s program version no and results 742 CSH 5L 55 kHz 68 kHz 735 CSH 8L 85 kHz of ROM and RAM tests 736 CSH 8L 107 kHz 0 Version No of Board HHH 733 SA 55 kHz 734 CSH 5L 68 kHz9 735 CSH 8L 85 kHz 736 CSH 8L 107 kHz DIP SW setting Continuous test example CSH 5L 55 kHz transducer 8 MAINTENANCE TROUBLESHOOTING Panel test The panel test checks the controls on the control unit for proper operation 1 Press a key If the key is normal 1 is shown at the key s on screen location when the key is pressed 0 when it is released The POWER switch cannot be checked Operate the TILT lever If the lever is normal 1 appears when increasing the tilt angle 2 when decreasing the tilt angle and 0 when the lever is released Operate the trackball Its X Y coordinate changes with trackball rotation The coordinates are 0 until the trackball is operated Operate the GAIN and RANGE controls The on screen indication is 1 with counterclockwise rotation and 1 with clockwise rotation PANEL TEST Trackball position in X Y coordinate PRESS MENU KEY TO EXIT Panel test 8 9 8 MAINTENANCE TROUBLESHOOTING Color test The color test checks for proper display of colors Press the EVENT key to change the screen color in the order of white red green and blue WHITE
38. Mark Event mark The event mark which requires speed and heading data is useful for finding the horizontal range depth and bearing to a location some distance from current position Plotting an event mark on the display is equivalent to dropping a buoy with an anchoring chain that extends from surface to bottom The buoy is fixed at its present geographical location but the mark 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 5 Stored when EVENT key is You observe picture from y pressed direction of JL mark K Ac TIIT How to use the event mark Entering an event mark 1 Operate the trackball to place the trackball mark where you want to place an event mark latest event mark 2 Press the EVENT key The horizontal range depth and bearing to the event mark appear at the bottom left corner of the sonar display Event mark position is calculated from ship s speed and heading data and it moves on the screen with own ship s movement With connection of a navigator the latitude and longitude of the event mark are output to the navigator when an event mark is entered in NMEA format TLL sentence 234 Horizontal range m from own ship mark to mark 1121 Depth m to mark 121 Depth m of mark at moment EVENT key is pressed B SW W
39. NT DATA Choose how to display current tide data 32 compass 5 E points 360 true 180 or 360 relative EVENT FISH Choose how to display event and fish marks 32 CMPS Event MK 5 5 360 TRUE 180 or 360 For 180 starboard Fish MK 5 4 direction is shown as xxxS and port direction Tgt Lock MK 5 3 True requires a heading sensor 32 CMPS shows direction in compass points such as N N E NNE NE N etc OTHER MARKS Chooses how to display other marks 180 360 R B MK 5 4 Trackball MK 5 2 POSITION DATA Chooses how to display position in latitude and 5 3 longitude or Loran TDs 7 2 7 MENU DESCRIPTION 7 2 SYSTEM Menu SYSTEM MENU RANGE CTRL U D GAIN CTRL L R DIMMER DISP SELECT HEADING ADJ MENU MODE DIMMER DISP SELECT HEADING ADJ AUTO RETRACT SPEED MESSAGE EXT KP SYNC AUTO TRAIN SPD AUTO TILT SPD UNIT SHIP S SPD BR LOG PULSE PORT1 BAUDRATE PORT1 FORMAT PORT2 BAUDRATE PORT2 FORMAT NAV DATA SCALE SUB TEXT INDI LANGUAGE SET TO DEFAULT 8198 LON LON ER KR 19200 MENE 19200 MESNE EE Oi WAEN NEDERLND NORSK SINGLE PATTERN ECHO 3 EXECUTE PRESS MENU KEY TO EXIT SOUNDER MARKS CURRENT OFF 5 16kt OFF ON HIGH HIGH FEET CURRENT 400 9600 CIF 9600 CIF LC DR LEFT ON JAPANESE FRANCAIS ESPANOL ITALIANO
40. NU key to close the menu rure S Mode description Mode Description Display NORM This mode is useful for detecting Sonar and tracking fish schools display Navigation data can be displayed Text window in the text window with KR connection of appropriate sensors Sonar display COMBI 1 Sonar picture appears on the left Range and bearing marks Sonar and the audio display at the lower Audio right side of the screen This ext window mode is useful analyzing echoes in a desired area Audio display To activate the COMBI 1 mode do the following Sonar display 1 Choose the COMBI 1 mode 2 Use the trackball to place the trackball mark on the bearing desired Press the R B key The range and bearing marks are inscribed on the sonar picture and the signal along the bearing mark appears in the audio display COMBI 2 The sonar picture appears on the gd Sonar left and the signal fed from the echosounder echosounder at the lower right side of the screen This mode is Echosounder suitable for judging fish school display concentration Sonar display Text window 1 OPERATIONAL OVERVIEW Normal mode display sonar display 733 uu ES SHIPSPEED 12 4 kt 708 I R 1000 189 7 15 SHIP course 246 Bs Mes 605 5 Mamon SA Me G 10 0 d 32 52 150N 2 132 12 150 i E
41. SH 8L Congratulations on your choice of the FURUNO CSH 5L CSH 8L Color Scanning Sonar For over 50 years FURUNO Electric Company has enjoyed an enviable reputation for innovative and dependable marine electronics equipment This dedication to excellence is furthered by our extensive global network of agents and dealers Your scanning sonar is designed and constructed to meet the rigorous demands of the marine environment However no machine can perform its intended function unless installed operated and maintained properly Please carefully read and follow the recommended procedures for operation 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 CSH 5L and CSH 8L Color Scanning Sonars are full circle electronic scanning sonars that detect and instantaneously display fish schools and underwater conditions in 16 colors Some of the prominent features of the CSH 5L and CSH 8L are as follows Vivid 16 color display assists in recognition of bottom and concentration and distribution of fish schools e Transducer frequency available in 55 kHz or 68 kHz for the CSH 5L and 85 kHz or 107 kHz for the CSH 8L Various fishing and navigation data appropriate sensors required keep operator abreast of fishing and navigation conditions High power MOS FET transmitter ensures reliable operatio
42. ansmissions Press the MENU key to close the menu QU PR p Measuring Depth You can measure depth to the cross hair cursor as follows 1 Use the trackball to place the trackball mark inside the echosounder display The trackball mark changes to a cross hair cursor 2 Adjust the trackball to place the cross hair cursor at the location desired 3 Read the depth to the location at the cross hair cursor 839 N SHIP SPEED 12 4 DEPTH 126m 9 810 4 y R 1000 suip course 246 4 217 745 B 60S SAL 189 LAT LON 32 52 150N n d 810 05 132 12 150 WATER TEMP 12 4 C 20min 10 0 T Id a m Depth to cross hair cursor intersection 100 Lees 7 101 Cross hair cursor Measuring depth 4 3 4 ECHOSOUNDER 4 5 4 6 Suppressing Interference Interference from other sounders or electrical interference shows itself on the screen as in the illustration below Interference from Inteference from other sounders electrical equipment Interference To remove interference do the following Press the MENU key to open the menu Use the RANGE control to choose MENU MODE at the top of the screen Use the GAIN control to choose SOUNDER Use the RANGE control to choose E S INT REJECT Use the GAIN control to choose ON If no interference exists choose OFF Press the MENU
43. aring format may be selected with OTHER MARKS on the MARKS menu Any value which exceeds 9999 is displayed with four asterisks TO Target lock mark and target lock data 3 To cancel target lock and erase the target lock mark and bearing mark press the TARGET LOCK key again Note 1 If automatic tilt is active it is automatically cancelled It is resumed once target lock is disabled Note 2 Target lock feature is cancelled when the position selected is more than 1 5 times the range 3 1 3 ADVANCED SONAR OPERATION 3 2 Note 3 The target lock feature tracks a target up to 55 tilt angle For example if a ship moves from position A to position D the target lock works between positions A and B The tilt angle is fixed between positions B and C is 55 however calculation continues internally Target lock is restarted after position C Target lock and tilt angle 3 2 Detecting Fish Schools Aurally Sometimes you may be preoccupied with 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 bottom 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
44. arked depth bearing Bearing range Latitude longitude LOP Ship s speed bearing depth water temperature Current speed and direction Meter feet fathom P B Interference rejecter Afterglow Noise limiter Numeric indication Automatic tilt scanning Over voltage Warning Unretracted Transducer warning High power MOS FET amplifier with 11 step power reduction switch Low noise superheterodyne Continuously scanning beam forming TVG AGC 55 kHz or 68 kHz 85 kHz or 107 kHz SP 1 E1319S01D M 2 5 Range 2 6 Pulse length Range m Echo Sounder Combination Offcenter Offcenter Offcenter Offcenter OFF ON OFF ON 1 Ranges shown for off center on are maximum value 2 Under certain circumstances a target fish school may not be detected due to its nature or because of sea conditions ever if it is located within the display range 0 5 to 20 ms interlocked with range can be changed in 11 steps 27 Pulse Repetition Rate PRR 2 8 Audio Search Method Sector Output Frequency 3 HULL UNIT 3 1 travel 3 2 Raising lowering Time 3 3 Driving System 3 4 Allowable Ship s Speed 04 07 05 0 25 to 4 4 s interlocked with range can be changed in 11 steps External synchronized transmission keying By built in loudspeaker 20 40 80 and 120 selectable 2W 800 Hz CSH 5L 1 kHz CSH 8L 600 or 400 mm selectable 400 mm 14 s 600 mm 20s Remote electric control 18 k
45. center of a fish school and then press the FISH key The latest fish mark 4 appears on the fish school 2 Wait 1 to 2 minutes 3 Place the trackball mark on the same fish school selected at step 1 and then press the FISH key The latest fish mark lt gt appears on the target and the 2nd latest fish mark lt gt appears on the location selected at step 1 In addition the range between the two fish marks horizontal range from own ship to the latest fish mark and the speed and course of the fish school are shown at the bottom right corner of the sonar display Past Fish Mark Max 8 Latest Fish Mark 2nd Latest Fish Mark Latest Fish Mark Wait 1 2 minutes Mark Data gt lt 1076 Horizontal range between fish marks Place trackball mark on Place trackball mark 787 Horizontal range from own ship to fish mark fish echo and press the on fish echo s latest 4 153 Depth FISH key S 2 3kt Speed key E S Course Course display format may be selected with EVENT FISH on the MARKS menu Any value which exceeds 9999 is displayed with four asterisks Fish mark and fish mark data Note 1 Movement is calculated using ship s speed and heading Accordingly pitching and rolling may affect the calculation For more accurate measurement repeat the procedure two or three times to verify reliability of the data Note 2 The time and distance between pres
46. ck Contact a FURUNO agent for service Make sure no rain or water splash leaks into the equipment Fire or electrical shock can result if water leaks in the equipment A CAUTION Do not exceed 18 knots with the trans ducer lowered and do not exceed 16 knots when lowering or raising the transducer The transducer may become damaged Turn off the hull unit before using the hand crank Bodily injury may result if the power is not turned off 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 iinside the ship WARNING LABEL A warning label is attached to all units of the system Do not remove any label If a label is missing or damaged contact a FURUNO agent or dealer about replacement Name Warning Label 1 Code No 10256 remove cover No user serviceable Code No 100 236 231 parts inside TABLE CONTENTS DR cr vi SYSTEM CONFIGUHBATION aids na iniu nuc oet cordi Cep vii 1 OPERATIONAL OVERVIEW i tnb ali nikk 1 1 14 Control Unit rb Re eR AER 1 1 1 2 Remote Controller option sd FR ee e 1 2 1 3 Basic Operating 2 1 00 nennen nennen nnns 1 3 1 3 1 Turning on the iii a AR R N AA KR a
47. connection It rotates with own ship s movement Ship s Track Mark With heading and speed data own ship s track is plotted by a solid line The track length can be selected among five or ten times the range When the length exceeds the chosen length the track is erased so that its length is equal to the chosen length 3 Current Data L kt 1 kt kt Current Mark This mark can be displayed with current indicator input The current marks show tidal current speed and direction in three layers 1 3 selected on the current indicator The tidal current speed is shown by the length of the line extending from the center of the mark Current direction can be shown as to or from with CURRENT DIR on the MARKS menu Current speed range 0 0 to 9 9 kt Direction range 180 or 0 359 Own Ship Position Data Lie oO N 00 With navigation input position can be displayed latitude and long itude or Loran C TDs in the text window Latitude range 90 00 000S to 90 00 000N Longitude range 179 59 999S to 179 59 999E 180 00 000 Nav Data SHIP SPEED SHIP COURSE DEPTH WATER TEMP With appropriate sensors speed course water depth and water temperature can be displayed in the text window Spe
48. e are represented on the screen as a false echo as shown below To weaken the sidelobe echoes set VER BEAMWIDTH to WIDE on the SONAR menu Mainlobe echo Sidelobe echo Mainlobe The bottom echo detected by sidelobe appears at a certain tilt angle when the sidelobe points ver tically Also poor soundome projection may result in a similar false echo Sidelobe echo Noise and Interference If the fishing ground is crowded with many fishing boats the sonar is subject to interference from ultrasonic equipment such as an echo sounder sonar etc on board other boats as well as those on board own ship For instance interference from the sonar operated on board other boats will appear as a ring as shown in A This interference can be suppressed by properly changing the TX cycle Electrical equipment on own ship can also cause interference to the sonar as shown in B The noise from some marine life appears on the screen as in C Those types of noise can be suppressed with the interference rejector A Interference from B Electrical C Marine life noise other sonar interference Noise and interference 7 MARKS AND SYSTEM MENUS 7 1 This chapter describes the MARKS and SYSTEM menus To display the SYSTEM or MARKS menu do the following 1 Press the MENU key to open the menu 2 Use the RANGE control to MENU MODE at the top of the screen 3 Use the GAIN
49. e data disappears from the screen To erase an event mark place the trackball mark on it and then press the DELETE MARK key Latest Fish Mark 2nd Latest Mark Fish Mark X These marks are inscribed on the screen by pressing the FISH key Ten fish marks can be displayed Each time the key is pressed the fish marks change on the screen as follows 1st press of FISH key lt gt 2nd press of FISH key 3rd press of FISH key X 4th press of FISH key X Fish Movement Data gt l S C Fish movement from the latest fish mark to the 2nd latest fish mark lt gt is shown by horizontal range depth 1 speed S and course C at the lower right corner of the screen Range and Bearing Marks Bearing o mark Range mark The range and bearing marks are used to choose the location to monitor aurally Place the trackball mark on the location desired and press the R B key Own ship position and trackball mark are connected with a straight line the bearing mark The range mark is drawn with a concentric circle whose center is at own ship position and its radius touching the trackball mark s intersection Range and Bearing Marks Data R B Range R and bearing B marks data are shown at the bottom of the display when the range a
50. e pulselength in order to separate fish echoes from bottom reflections For search of surface and midwater fish in which bottom reflections are not so strong the longest pulse length 10 should be used Press the MENU key Use the RANGE control to choose MENU MODE at the top of the screen Use the GAIN control to choose SONAR to display the SONAR menu Use the RANGE control to choose PULSE LENGTH Use the GAIN control to set pulse length The setting range is 0 10 and the higher the setting the longer the pulse length 6 Press the MENU key to close the menu Cee Ics 2ND While it is ideal to suppress bottom echoes with the alone there are some fishing grounds where this is not possible The high power sonar has the advantage of long range detection but this can also be a disadvantage since weaker echoes may be hidden in strong unwanted echoes such as the bottom If you cannot suppress bottom echoes or sea surface reflections by the AGC function alone use the 2ND AGC feature Normally a setting of 1 or 2 is suitable For especially strong echoes use a setting of 3 or 4 Press the MENU key The last used menu appears Use the RANGE control to choose MENU MODE at the top of the screen Use the GAIN control to choose SONAR to display the SONAR menu Use the RANGE control to choose 2ND AGC The 2ND AGC setting is locked so use the GAIN control to choose YES and then press the EVENT key
51. ed range 0 0 40 kts Course range 0 359 Depth range 0 9999 m same range for any depth unit Water temperature range 10 0 to 40 0 C Target Lock Mark Target Lock Mark Data gt Y B The target lock mark automatically tracks the fish school selected by the operator This function requires speed and heading data The slant range gt depth 4 and bearing B of the fish echo are shown at the bottom left corner on the sonar display 5 3 5 MARKS AND DATA Description of marks and data on the normal display con t from previous page Mark Data Description Latest Event Mark This mark depicts important locations Use the trackball to place the trackball mark where desired and press the EVENT key to inscribe an event mark Requires speed and heading data Event marks follow own ship s movement Ten marks may be entered and each press of the EVENT key enters an event mark and previously entered marks change as follows Dr h i rr Latest Event Mark Past Event Marks Max 9 Latest Event Mark Data The position data of the latest event mark that is horizontal range 2 depth J and bearing shows the latest event mark s original depth and remains unchanged regardless of ship s move movement or tilt angle When the event mark is erased the abov
52. een ka du 1 3 1 9 2 LONE tDedransdU el Get oett a a nerd benna 1 3 E ES RR ERO EU 1 4 1 3 4 Adjusting backlighting of control 1 5 1 3 5 CHOOSING s display Mode e tut deus 1 6 1 3 6 Choosing the display range cnet m e eR ERE 1 8 1 3 7 Adjusting tie GAIN u s dee 1 9 1 3 8 Retracting the transducer turning off the 1 9 1 4 Setting the Tilt Angle er e o ita as ies dta at tt a cud rs 1 10 1 4 1 Automatic TOMI OM sco ter t pterea te poto 1 10 1 4 2 Bottom and tilt anglers e er e o a es 1 12 1 4 3 How to discriminate fish echoes from the bottom 1 12 AACA ote Pesce 1 13 1 4 5 Tilt angle for surface uie nan nn nn Ra hu RA A GR EROR 1 13 T amp G 59 0 a DR a a Ra a 1 14 1 5 Finding Range and Bearing to a 111 1 14 1 6 Sonar Menu Overvigw eite ta e x EUR ERE Da de TERRA CE CERE Fn de CERRAR agi 1 15 1 0 1 Operating DFOCOdUre ati d ai a taeda A 1 15 1 6 3 Sonar menu description erosion
53. enerates an audio alarm when a fish echo above a certain strength enters the alarm zone 1 Operate the trackball to place the trackball mark on the starting point of the alarm zone 2 Press the ALARM ZONE key 3 Operate the trackball to place the trackball mark on the ending point of the alarm zone 4 Press the ALARM ZONE key The display paints a fan shaped alarm zone The audio alarm will be released when an echo enters the alarm zone Starting Point Alarm Area Ending Point Fish alarm zone Note 1 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 below Otherwise a 360 alarm zone is painted as in c and d More than 3 d Fish alarm zones Note 2 You may set the echo strength level which will release the audio alarm with ALARM LEVEL on the SONAR menu The setting range is 0 14 Note 3 To show or erase the alarm zone press the FISH ALARM key 3 4 3 4 1 3 ADVANCED SONAR OPERATION Measuring Fish School Speed 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 heading inputs Entering a fish mark 1 Place the trackball mark on the
54. er Items on the Sounder Menu The table below describes the SOUNDER menu items not described in the previous sections of this chapter Sounder menu description tem Description COLOR Choose one of four display color patterns according to your environment Adjusts echo presentation color curve against strong reflections For example setting 1 averages weak to strong signals to obtain a balanced picture The larger the setting the better the resolution on weak signals DRAFT Set ship s draft to get depth from the sea surface rather than from the transducer 5 MARKS AND DATA 5 1 Marks and Data the Normal Display Freeze condition for testing Range Shown several Tx Off Trackball Mark Data Range Slant Range seconde whan range Tilt Angle is changed Stabilizer Horizontal Range Auto Tilt value Depth Heading Gain B Relative Bearing T Function Key Number 5 T freeze Ex C RD SHIPSPEED 12 4 kt Speed 96 SHIP COURSE 246 Course LAT LON it i 0 E ES bia Mark A A dod x Ae a 32 52 150N Ran Position 132 12 150E Bearing 5 DEPTH 126m Depth 9 Latest Event gt North Mark gf WATER CURRENT 4 Current Data RI J 4 gan Curent speed Bearing ntMark
55. g marks C2 0 8kt 298 are used to choose the location to display in the 0 4 256 audio display Marks and data on the echosounder and audio displays 5 5 5 MARKS AND DATA Description of marks and data on the echosounder and audio displays Mark Data Description Color Bar The color bar provides an estimate of echo strength in 16 colors The red color is the strongest echo signal Depth Scale Range Scale 0 100 200 300 The depth scale and range scale provide an estimate of depth and range in the echosounder and audio displays respectively It may be displayed at the right or left side of those displays See COMBI SCALE on the SYSTEM menu Cross hair Cursor Depth or 200 Range The cross hair cursor measures the depth and range to the user selected location in the echosounder and audio displays respectively Depth or range appears at the cross hair cursor intersection Net Sonde Mark Echosounder display only The net sonde marks are orange horizontal lines solid or dashed line which mark the location of the net sonde fed from the echosounder 6 INTERPRETING THE DISPLAY 6 1 Bottom Echo When the tilt angle is changed the bottom echo will appear on the screen When the tilt angle is decreased the bottom trace becomes wider and weaker By observing the bottom condition on the screen the skipper can prevent the net from being damaged by a reef or a ship
56. hifting functions together give you the means to select the depth you can see on the screen The basic range can be thought of as providing a window into the water column and range shifting as moving the window to the desired depth Display Display range and shift concept Note Select the Range and Shift to the same setting as the echo sounder connected This setting does not affect the original echo sounder setting 1 Press the MENU key to open the menu 2 Use the RANGE control to choose MENU MODE at the top of the screen 3 Use the GAIN control to choose SOUNDER 4 1 4 ECHOSOUNDER 4 2 A D SOUNDER MENU RANGE CTRL U D GAIN CTRL L R MENU MODE SONAR SOUNDER MARKS SYSTEM E S INT REJECT GAIN CLUTTER ADVANCE 2 1 1 8 COLOR CURVE LINEAR DELETE COLOR 0 DRAFT 0 0 m PRESS MENU KEY TO EXIT Sounder menu Use the RANGE control to choose RANGE Use the GAIN control to choose range desired among 20 40 80 120 160 240 and 320 meters To shift the display use the RANGE control to choose SHIFT Use the GAIN control to choose amount of shift desired range 0 1000 meters Press the MENU key to close the menu Adjusting the Gain You may adjust the display level of the echo sounder picture as below the gain of the echo sounder itself cannot be adjusted from the sonar Note Set the gain to the same setting as the echoso
57. ibed earlier adjust AGC on the SONAR menu Normally set it between 0 and 3 Suppressing Bottom Tail As noted earlier fish schools echoes located near the bottom are sometimes difficult to detect because you have to discriminate them from the bottom reflections AGC PULSE LENGTH and 2ND AGC in the SONAR menu if used properly decrease the tail of bottom reflections making it easier to discriminate bottom fish AGC The AGC functions to automatically reduce the receiver gain only against strong echoes such as the bottom or a large fish school Since weak echoes remain unaffected a small fish school becomes easier to detect Adjust the AGC so it works only on bottom reflections Press the MENU key Use the RANGE control to choose MENU MODE at the top of the screen Use the GAIN control to choose SONAR to display the SONAR menu Use the RANGE control to choose AGC Use the GAIN control to set AGC value The setting range is 0 10 and the higher the setting the stronger the AGC effect 6 Press the MENU key to close the menu Qu ON 2 3 2 2 3 3 Pulse length The pulse length control determines the length of the transmission pulse emitted into the water While a longer pulse is advantageous for long range sounding it has the disadvantage of being poor in discrimination of targets i e ability to separate several closely located targets When searching bottom fish therefore itis useful to shorten th
58. ilpeem 126m E WATER CURRENT lw e C11 2kt 342 C20 8kt 298 d C30 4kt 256 E wareR temp 12 4 C lt 7660 20 10 0 MO 14 2 sr 4112 4 P 10 NEN Sonar display COMBI 1 display sonar display audio display A517 N Ra 27 SHIPSPEED 12 4 kt DEPTH 126m 500 yR 1000 sHiP course 246 134 Bearing Marks 805 EU 15 LAT LON 32 52 150N Ves 6100 132 12 150 WATER TEMP 20min 10 0 12 4 14 Range Scale gt 500 4 N uf Ne 7 CR 517 608 1000 Range and bearing marks data 1 display sonar display audio display Text Window For description see Chapter 5 gt Text Window For description see Chapter 5 1 OPERATIONAL OVERVIEW COMBI 2 display sonar display echosounder display 545 2 5 SHIP SPEED 12 4 DEPTH 126m 472 7 R 1000 sup course 246 T 30 272 LATILON 32 52 150N B 60S E vus 30 7 522 6100 132 12 150E A Text Window eee WATER TEMP 20min 10 0 AA uu 8 42 For description see 12 4 C Chapter 5 LS 2 display sonar display echosounder display 1 3 Choosing the display range The RANGE control chooses a display range Each time the range is changed the newly selected range appears in large characters for five seconds a
59. kt OFF ON HIGH HIGH FEET CURRENT 400 9600 CIF 9600 CIF LC DR LEFT ON JAPANESE FRANCAIS FATHOMS NAV DATA 4800 4800 ESPA OL ITALIANO CONTI SIO ECHO 4 PANEL ECHO 1 Use the RANGE control to choose TEST Use the GAIN control to choose a test Press the EVENT key to execute the test To quit a test press the MENU key GYRO NAV 2400 2400 ALL DANSK KOREAN COLOR ECHO 2 8 MAINTENANCE TROUBLESHOOTING 8 8 2 Description of diagnostic tests Single test Conti nuous test The single and conti nuous tests check the ROMs and RAMs for proper operation one time or continuous respectively After the test is completed the results are indicated as OK normal operation or NG malfunction to the right of the device checked For the single test normal operation is restored after completion of the test When the MENU key is pressed in the continuous test the equipment goes into start up condition Processor unit s program version no and results of ROM RAM VRAM and EEPROM tests 0 Version No of Board Transceiver unit s program version no CSH 5L only and results of ROM RAM and DROM tests Continuous test only CONTI TEST MAIN 0 1050729 F FF ROM OK RAM VRAM OK EEPROM P W OK TRX 1050 105048 XX XX FF ROM OK OK OK 1050730 XX XX F ROM OK RAM OK PRESS MENU KEY TO
60. mmm Junction Box Hull Unit MS 100 77 QCSH 1700 CSH 8040 600 mm stroke zone ECCE CSH 8041 400 mm stroke Ship s Mains NN 100 VAC DC AC 115 Inverter 200 VAC Standard Supply TR 24514 220VAC 1 Option koss 240 VAC User Supply 24 VDC 1 50 60Hz System configuration of CSH 8L 1 OPERATIONAL OVERVIEW 1 1 Control Unit All operations are carried out from the control unit All controls quickly respond to the operator s command and the associated reaction can be seen on the screen almost immediately Lowers the transducer Raises the transducer Turns power Sets transducer on off tilt angle FURUNO E 3 Trackball Positions trackball mark NY Color Scanning Sonar 0056 GAIN i sta r Core ALARM LIZER CENTER 5e 198 1 ALARM bELET ZONE MARK MENU S Adjusts receiver sensitivity chooses FISH Inscribes fish mark menu option EVENT Inscribes event mark TARGET LOCK Tracks trackball selected position R B Displays range and Chooses display bearing marks range chooses FISH ALARM Turns fish alarm on off menu item STABILIZER Compensates for affects of ship s pitching and rolling Requires Motion Execute assigned Sensor MS 100 ish s OFF
61. n under any condition Remote controller optionally available e Four user programmable function keys for quick set up of equipment according to fishing conditions or specific function e Target lock feature tracks fish school vi SYSTEM CONFIGURATION Monitor MU 150C etc Max 2 Processor Unit ea 7 CSH 5210 1 il 1 BL 1 1 E po 3 mors uum Control Unit L 658521 Transceiver Unit CSH 5130 Current Indicator AD Converter Speed Log agde E S Interface Remote Controller RENE Speaker MS 100 Hull Unit CSH 5040 600 mm stroke CSH 5041 400 mm stroke Pre amplifier Unit CSH 5020 i Ship s Mains Standard Supply 100 VAC Option peac 119 VAC User Supply n 200 Inverter TR 2451 1 220 4 240 VAC 16 50 60Hz 24 VDC System configuration of CSH 5L vii viii Processor Unit Monitor MU 150C etc Max 2 CSH 5210 as 71 3i EC L 1 1 l 1 1 252558 WEE as sa Control Unit CSH 5211 Transceiver Unit CSH 8030 Current Indicator AD Converter Speed Log picem E S Interface c 8 gt 9 Remote Controller Speaker
62. nd bearing marks are displayed Stabilizer Mark Stabilizer With connection of Motion Sensor MS 100 the picture along the bearing chosen with the stabilizer mark is stabilized against ship s pitching and rolling Choose the location with the trackball mark and press the STABILIZER key to stabilize the picture along the bearing selected 5 5 AND DATA 5 2 Marks and Data on the Echosounder and Audio Displays E qu N ds n SHIP SPEED 12 4 kt DEPTH 126m lt Speed Depth p P x SONAR MARKS AND INDICATIONS 9 SHIP COURSE 246 Course SAME AS ON NORMAL DISPLAY 39 59 150N 7 7 E 132 12 150 Position K ps Range gt Bearing Marks eue WATER TEMP 20min 40 0 12 4 14 121 Temperature Graph 1 Net Sonde Mark orange 2 100 4 Color Bar Cross hair Cursor Depth to cross hair cursor intersection 3 00 D aft 552 B 605 n Depth Scale 4 Range and Bearing Data Requires appropriate sensor 2 Echosounder display only 1 Water current data may be displayed 3 Depth on echosounder display instead of temperature graph range on audio display See DISP SELECT on the SYSTEM 4 Depth scale on echosounder menu display range scale on audio WATER CURRENT display 2 C1 1 2kt 342 Note Range and bearin
63. nn nennen nnn nnn nnns nnn nen entren nnns 6 4 7 MARKS AND SYSTEM 7 1 MARKS MOD e pd a uta ieu vii iba a n tm tela du eben ta dedit 7 1 752 SVS TEM EE 7 3 8 MAINTENANCE TROUBLESHOOTING 8 1 8 1 General Maintenance 8 1 8 2 Cleaning the 8 1 8 3 Hull Unit 8 2 8 3 1 Lubrication points zinc plate 8 2 8 3 2 Manually raising the transducer u eee tette a ag 8 3 8 4 Fuse 8 4 8 5 Fari Replacement ciosa ete der denn Weed YU n 8 4 9 0 TPOUDISSHOOUNG 5 8 5 8 7 Error Messages depu deti NA ABA GUNNA LA Gu AB 8 6 9 8 m 8 7 8 8 1 Choosing a diagnostic Gel irae ero A aa A a a A a a 8 7 8 8 2 Description of diagnostic 8 8 MENU THEE eene ORI a rar RIO AP 1 SPECIFICATIONS TE ad a RN Euni SP 1 1 FOREWORD A Word to the Owner of the CSH 5L C
64. normal display Mark Data Description Own Ship Mark Shows own ship s present position and points bow direction North Mark North mark When a heading sensor is connected the North mark is displayed and points to North Heading Mark Heading mark Heading The heading mark is a dashed line extending from the screen center to the edge of the outermost range ring and it points in the direction of ship s heading With connection of a heading sensor heading is shown 32 compass points N N NE etc The heading may also be displayed in true bearing in which case the indication is 360 Own Ship Position Mark A The own ship position mark is entered at own ship s position with the EVENT key 10 marks may be entered Trackball Mark JE Sets own ship s mark location for off center display sets location for mark input measures range and bearing The trackball controls this mark Trackball Mark Data nooo Range Data Trackball mark data slant range Horizontal range J Depth B Bearing Appears at top left corner of the sonar display Relative bearing Bearing is shown in 360 or 180 indication system relative to ship s heading In the latter case B isindicated as follows B the port side BOGGS on the starboard side Indication format may be
65. nots max 16 knots during raise lower operation SP 2 E1319S01D M INTERFACE 4 1 Input Data 4 2 Log E S KP 4 3 Output Data 4 4 Signal Output NMEA 0183 Ver1 5 2 0 2 2 GGA RMC GLL VHW VTG HDG HDM HDT DPT DBT DBS CUR VDR GLC GTD MTW RMA Speed log pulse contact signal 200 400 pulse NM Sonde E S signal VI 1100A applicable External KP Current loop 0 to 12V NMEA 0183 Ver1 5 2 0 2 2 TLL Method RGB analog separated synchronization XGA VESA Resolution 1024 x 768 65 0 MHz clock Frequency of Vertical Horizontal 60 Hz 48 36 kHz Connector D sub15P female 4 5 CIF Data Input POWER SUPPLY 5 1 Processor Unit CSH 5L CSH 8L 5 2 Inverter Location Ship s Speed Bearing Current data 1 Layer Water depth Water temperature Multiple layer current data 100 115 200 220 240 VAC 1 phase 50 60 Hz 100 115 200 VAC 4 0A 200 220 240 VAC 2 0A 100 115 200 VAC 4 5A 200 220 240 VAC 2 2A Required for 24 VDC 6 ENVIRONMENT AL CONDITION 6 1 Ambient Temperature 6 2 Relative Humidity 6 3 Waterproof 0 C to 50 C 95 at 40 C Processor Unit Control Unit IPX2 w o connector panel of processor unit Others 6 4 Vibration 7 COATING COLOR 7 1 Processor Unit 7 2 Control Unit 7 3 Transceiver Unit 7 4 Hull Unit 04 07 05 IPXO IEC 60945 2 5GY5 1 5 N3 0 2 5G7 2 Newtone No 4 others SP 3 E1319S01D M This page is intentionally left blank MENU TREE Defa
66. ons To reduce sea surface reflections set the tilt angle to 5 or more so that the upper edge of the sonar beam does not hit sea surface or adjust the TVG functions When the sonar is used with a narrow tilt angle the sea surface reflections cover a large area up to 300 m to 400 m as illustrated below Tilt angle indication Sea surface Tilt 0 Sea surface reflections Tilt 5 6 Sea surface reflections 6 4 Wake A wake produced by own ship or another ship can be a strong reflecting object when the sonar is used with a narrow tilt angle As the wake appears on the screen as a thick continuous line it can be easily distinguished from a fish school On the other hand the wake contains a lot of air bubbles which attenuate ultrasonic energy making it often difficult to sound beyond the wake Other Ne ME Nx ES 4 Own ship IN Own ship s 2 screw noise Z oS Wake produced by other ship Own ship s wake Own ship s produced when screw noise own ship turns Wake 6 3 6 INTERPRETING THE DISPLAY 6 5 6 6 6 4 False Echo by Sidelobe An ultrasonic wave is emitted only in the direction set by the TILT lever but in practice there are some emissions outside the main beam that are called sidelobes Energy of the sidelobe is fairly weak but when the sonar is used in comparatively shallow water with a hard and rocky bottom strong target signals are detected by the sidelobe Thes
67. r curve against strong reflections In setting 1 for example weak to strong signals are averaged and displayed to obtain a balanced picture The larger the setting the better the resolution on weak signals 1 OPERATIONAL OVERVIEW Description of sonar menu con t from previous page _ Hem Description Ref page COLOR Adjusts color level against strong reflections The RESPONSE higher the setting the more the red color is displayed and weak level colors are displayed as is thereby giving the appearance that the gain has been raised DELETE Erases desired echo level from the display COLOR ECHO Specifies how long to leave afterglow on the screen AVERAGE INT REJECT Rejects random noise and sea surface reflections in HOR Sets horizontal beamwidth for wide or narrow VER Sets vertical beamwidth for wide or narrow COLOR Chooses display colors for the sonar and audio displays among four choices Choose a display color to match your environment or fishing objective ERASE MARKS Chooses the mark type to erase collectively from track own ship event and fish For track 1096 of the oldest track is erased ALARM LEVEL Sets echo strength level which triggers the fish alarm The lower the setting the weaker the echo which triggers the alarm AUTO TRAIN 3 3 TRAIN SECTOR AUTO TILT TILT ANGLE TRANSMISSION AUDIO Sets audio volume of loudspeaker VOLUME ASSIGN Chooses function key to program SETTING
68. r fuse Use of a wrong fuse can result in damage to the equipment The fuses in the processor and transceiver units protect them from overvoltage equipment fault and reverse polarity of the ship s mains If the power cannot be applied first check the fuse for the processor unit The fuse for the transceiver unit is inside the unit have a qualified technician check the fuse If a fuse blows after replacement or the power cannot be turned in spite of normal fuse contact your dealer for advice Processor Unit 2 125 000 549 062 Transceiver Unit FGMB 2A 250V 000 122 000 100 VAC spec FGBO 7AAC125V 000 549 013 Transceiver Unit FGMB 2A 250V 000 122 000 220 VAC spec FGBO 4A 250 000 546 707 Fan Replacement The processor unit has a fan and its life is about 25 000 hours in ambient temperature of 50 C If the fan stops because the area around the power supply is too hot the power voltage may fluctuate Contact a FURUNO agent or dealer to request replacement of the fan we Fan 109 180 000 105 416 8 MAINTENANCE TROUBLESHOOTING 8 6 Troubleshooting The table below provides common symptoms of equipment troubles and the means to rectify them Check Remedy Cannot turn on the Check power cable power e Check ship s mains First check the fuse in the processor unit If it is OK have a qualified technician check the fuse in the transceiver unit Bottom echo Rough seas
69. rizontal range bearing and depth to the target appear at the upper left corner of the sonar display TRACKBALL DATA Slant range from own ship to trackball mark Horizontal range from own ship to trackball mark v Depth to trackball mark B Relative from own ship to trackball mark Trackball mark Own ship mark Relative bearing format may be selected with OTHER MARKS on the MARKS menu M 2 Location of trackball data 1 6 1 6 1 1 OPERATIONAL OVERVIEW Sonar Menu Overview This equipment has four menus sonar menu sounder menu marks menu and system menu Of the four menus the SONAR menu is the one you will use most often Note that the gain and range cannot be adjusted while the menu is displayed Operating procedure 1 Press the MENU key The last used menu appears 2 Use the RANGE control to choose MENU MODE at the top of the screen 3 Use the GAIN control to choose SONAR to display the SONAR menu SONAR MENU RANGE CTRL U D GAIN CTRL L R SOUNDER MARKS SYSTEM DISPLAY MODE TX OUTPUT PULSE LENGTH TX CYCLE TVG NEAR TVG FAR AGC 2ND AGC NOISE LIMITER COLOR CURVE COLOR RESPONSE DELETE COLOR ECHO AVERAGE INT REJECT HOR BEAMWIDTH WIDE VER BEAMWIDTH MDA COLOR ai ERASE MARKS TRACK ALARM LEVEL 9 AUTO TRAIN ON TRAIN SECTOR 10 AUTO TILT ON TILT ANGLE 12 10 TRANSMISSION AUDIO VOLUME 10 ASSIGN SETTING F1 KEY F
70. rte rect rir obere xo eir end RR Rana adu ska 1 16 2 FINE TUNING THE SONAR PICTURE ise ease 2 1 2 1 Eliminating Urnwarted EClO085 trei tei mn ii 2 1 2 2 Displaying Surface Fish 2 2 2 3 Suppressing Bottom 2 2 LO AG M TEM 2 2 2 9 2 PUSS lenglli nS as dicun 2 3 23 3 ZND AGG C 2 3 2 4 Suppressing Bottom and Sea Surface Reflections in Shallow Fishing Grounds 2 4 2 5 Rejecting Sonar Interference and 2 5 2 5 1 Idenutyirig riolse SOUICE bad at da deed 2 5 2 5 2 Rejecting noise with the interference 2 5 2 5 3 Rejecting noise with the noise limiter cece eenen 2 5 2 5 4 Rejecting interference with TX cycle entree nine ranis 2 6 2 6 Choosing BEI ec E Le ean cae 2 7 2 0 1 Horizontal beamwidth ie th ated d be ce ie 2 7 2 0 2 Vertical RS 2 7 2 7 Deleting Weak Echoes i cic ace cu 2 7 2 6 feces Ree eet eee 2 7 3 ADVANCED SONAR OPERATION 3 1 3 1 Tracking a Fish School target l k s
71. 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 dominant and will interfere with observation of wanted echoes To minimize these sea surface reflections and to search surface fish schools effectively the tilt angle is usually set to 5 6 degrees so that the upper portion of the beam becomes almost parallel with the sea surface When the sea is rough it is often set to a little larger angle 15 for CSH 5L 13 for CSH 8L ES Sea surface Tilt angle 0 5 Sea surface Tilt angle 5 6 N 15 Tilt angle and surface fish example CSH 5L 1 13 1 OPERATIONAL OVERVIEW 1 4 6 Suitable tilt angle The table below shows the estimated detection range for tilt angles of 0 5 10 and 15 degrees Refer to the table to find suitable tilt angle from depth and detection range Tilt angle setting Detection range m 100 200 300 400 0 Su 200 400 600 800 5 3 200 400 300 Vertical width of sonar beam 200 m 78m CSH 5L Depth detection range and tilt angle 1 5 Finding 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 slant range ho
72. sings of the FISH key should be as long as possible to increase accuracy of measurement For more accurate measurement repeat the procedure two or three times 3 5 3 ADVANCED SONAR OPERATION Note 3 Each time the FISH key is pressed the fish mark changes in the sequence shown below Maximum 10 fish marks may be inscribed one latest one 274 latest and eight past Fish key pressed once lt gt Fish key pressed twice lt gt gt gt Fish key pressed three times X qo c gt Fish key pressed four times X qo gt lt gt 3 4 2 Deleting individual fish marks To delete specific fish marks use the DELETE MARK key as shown below To delete fish marks collectively see paragraph 3 7 1 Operate the trackball to place the trackball mark on the fish mark you want to delete The color of the fish mark changes from white to red if the trackball mark is correctly placed 2 Press the DELETE MARK key to delete the fish mark 3 5 Relocating Fish School for Easy Observation 1 Operate the trackball to place the trackball mark on the position where you want to relocate the own ship mark 2 Press the OFF CENTER key 3 To return the own ship mark back to the screen center press the OFF CENTER key again x Fish School Fish School Press OFF CENTER key Own Ship Trackball Mark Mark How to use the off center function 3 6 3 6 3 6 1 3 ADVANCED SONAR OPERATION Event Mark Own Ship Position
73. t the top of the sonar display The current range is always displayed at the top right corner of the sonar display The ranges in meters available are 50 85 100 150 200 250 300 350 400 450 500 600 800 1000 1200 and 1600 Surface Range displayed screen Detection range 1 8 1 3 7 1 3 8 1 OPERATIONAL OVERVIEW Adjusting the gain The GAIN control adjusts receiver sensitivity It should be adjusted to see fish echoes clearly with minimal noise on the screen Too high a setting not only causes excessive noise on the screen and makes it difficult to discriminate wanted fish echoes but also causes bottom echoes to be painted in strong colors resulting that the echoes from bottom fish are masked by bottom reflections A setting between 3 and 7 is usually suitable Each time the control is operated the newly selected range appears in large characters for five seconds at the top of the sonar display The current range is always displayed at the top right corner of the sonar display Hy ue 7 wey NC Ao oN J gt Gain too low Gain proper Gain too high Examples of proper and improper gain Retracting the transducer turning off the power 1 Set speed under 16 knots and then press the 1 switch to retract the transducer The lamp above the switch blinks while the transducer is being retracted Transmission is stopped automatically If you press the 1 switch
74. te trier ter Perte 3 1 3 2 Detecting FishizschoolsoAurally 2 1 tote oet tt re bi ette tati cia esce but sies 3 3 3 3 The FS 3 4 3 4 Measuring Fish School Speed mir raskar ina aa cene rt dei sete HOHER a SURE DRE AS ENTER 3 5 Entering ec Lecce ecc bc ei 3 5 3 4 2 Deleting individual fish marks eem tenete 3 6 3 5 Relocating Fish School for Easy Observation 3 6 3 6 Event Mark Own Ship Position 3 7 3 0 1 Event mark e 3 7 3 6 2 Entering an own ship position mark 3 8 3 6 3 Deleting an event miark aieo 3 8 3 7 Collectively Deleting ice aaa estt ee bnt ees 3 9 3 8 Function cu uic fa 3 10 3 8 1 Operating the function keys ee 3 10 3 8 2 Programming for fishing ground or target 3 10 3 8 3 Programming specific function 3 11 3 8 4 Confirming function key 40 3 12 3 9 Suppressing Effects of Pitching and Rolling Stabilizer esses 3 13 4 EGHOSOUNDER MODE 2 2 4 1 4 1 Choosing the Range eer tme cre Enim etr dn ei nud ARNA Aa VR a 4 1 Z2 G
75. ted the newly selected tilt angle is displayed in large characters for five seconds at the top of the sonar display The tilt angle can be set in one degree steps within the range of 0 to 55 degrees 0 Horizontal direction tilt 0 EE E lla GU IR Tilt angle range 55 Tilt range Automatic tilt on off The automatic tilt feature automatically tilts the transducer within the tilt range selected on the menu This feature is useful for finding fish school center Automatic tilt becomes inoperative when the target lock feature is made active Disable the target lock feature to resume automatic tilt 1 Press the MENU key to open the menu 2 Operate the RANGE control to choose MENU MODE at the top of the screen Operate the GAIN control to choose SONAR Operate the RANGE control to choose AUTO TILT Operate the GAIN control to choose ON Operate the RANGE control to choose TILT ANGLE Use the GAIN control to choose a tilt range among 2 10 4 14 6 20 and 10 26 See the table on the next page for range and tilt angle 8 Press the MENU key to close the menu When auto tilt is on auto tilting begins with the range selected at step 7 centered on the tilt angle set with the TILT lever DI Be To turn off automatic tilt choose OFF at step 5 Note that automatic tilt range varies with the range in use 1 OPERATIONAL OVERVIEW Range and tilt angle 50 85 100 150
76. test screen at start up example CSH 5L 55 kHz transducer Note The example screens shown in this manual may not match the screens you see on your display The screen you see depends on your system configuration and equipment settings Lowering the transducer Set ship s speed under 16 knots and then press the switch The lamp above the switch flashes and lights when the transducer is fully lowered If you press the switch when the speed is over 16 knots and the speed warning is turned on in the SYSTEM menu the message Max allowable speed for extended transducer is 16 kt Max allowable speed during raising lowering transducer is 16 kt and the audio alarm sounds Press the R B key to silence the audio alarm A CAUTION Do not exceed 18 knots with the transducer lowered 16 knots when lowering the transducer The transducer may become damaged Note The audio alarm may be set to sound and a message displayed when the ship s speed goes higher than maximum allowable speed For further details see SPEED MESSAGE on page 7 4 1 3 1 OPERATIONAL OVERVIEW 1 3 8 Transmitting TRANSMISSION in the SONAR menu is off in the default setting If it is has been set to ON the procedure below is not necessary When the transducer is lowered transmission starts and when it is raised transmission is stopped 1 Press the MENU key to open the menu 2 Use the RANGE control to choose MENU MODE at the top of the screen 3
77. ucer face yearly result in the loss of the d Apply single coat of transducer or water 5 20 Mod leakage in the vessel Red N or equivalent anti foulant to transducer HULL UNIT face to keep marine life off the transducer Do not use solvents to clean the trans ducer and do not paint the transducer face Hull unit maintenance points 8 3 2 8 MAINTENANCE TROUBLESHOOTING Manually raising the transducer If the transducer cannot be raised automatically manually raise it as follows CAUTION Turn off the hull unit before using the hand crank Bodily injury may result if the power is not turned off 1 Turn off the hull units power switch 2 Open the gear cover Screw Gear cover 4 X8 8 4 POWER switch Hull unit 3 Mount the hand crank onto the screw shaft gear or motor gear a Mounting hand crank b Mounting hand crank on screw shaft gear on motor gear Requires greater force but Requires less force but smaller number of turns greater number of turns Hand crank Fix with screw Fix with screw Use cover fixing screw Use cover fixing screw Screw shaft gear 120 turns to move main shaft by 600 mm by 600 mm 210 turns to move main shaft Hand crank 4 Turn the hand crank clockwise to raise the transducer 8 3 8 MAINTENANCE TROUBLESHOOTING 8 4 8 5 Fuse Replacement A WARNING Use the prope
78. ult settings shown in bold italics The menu item MENU MODE which chooses menu is shown at the top of each menu Sonar menu MENU key DISPLAY MODE COMBI 1 NORM COMBI 2 SONAR TX OUTPUT 0 10 8 selected from PULSE LENGTH 0 10 8 MENU MODE TX CYCLE 0 10 10 TVG NEAR 0 10 6 TVG FAR 0 10 7 AGC 0 10 2 2ND AGC 0 10 1 NOISE LIMITER 0 10 3 COLOR CURVE 1 2 3 4 COLOR RESPONSE 1 2 3 4 DELETE COLOR 0 10 0 ECHO AVERAGE 0 3 1 INT REJECT 0 3 1 HOR BEAMWIDTH WIDE NARROW VER BEAMWIDTH WIDE NARROW COLOR 1 2 3 4 ERASE MARKS TRACK SHIP EVENT FISH ALARM LEVEL 0 14 9 AUTO TRAIN ON OFF TRAIN SECTOR 10 20 40 60 AUTO TILT ON OFF TILT ANGLE 42 10 4 14 6 20 10 26 TRANSMISSION ON OFF AUDIO VOLUME 0 10 10 ASSIGN SETTING F1 KEY F2 KEY F3 KEY F4 KEY ASSIGN MENU EXECUTE Sounder menu MENU key COLOR 1 2 3 4 SOUNDER RANGE 20 320 160 m selected from SHIFT 0 1000 0 m MENU MODE E S INT REJECT ON OFF GAIN 0 0 10 0 3 0 CLUTTER 0 0 10 0 2 0 ADVANCE 2 1 111 1 2 1 4 1 8 COLOR CURVE LINEAR 1 2 3 DELETE COLOR 0 19 0 DRAFT 0 0 10 0 0 m AP 1 MENU TREE Marks menu MENU key MARKS selected from MENU MODE RANGE RINGS 1 4R 1 2R OFF BEARING SCALE ON OFF CURRENT VECTOR ON OFF CURRENT DIR TO FROM SHIP S TRACK 10R 5R OFF COURSE 32CMPS 360TRUE HE
79. under connected This a ae D setting does not affect the original echosounder setting Press the MENU key to open the menu Use the RANGE control to choose MENU MODE at the top of the screen Use the GAIN control to choose SOUNDER Use the RANGE control to choose GAIN The gain setting is locked so operate the GAIN control to choose YES and then press the EVENT key Use the GAIN control to adjust gain setting range 0 0 10 0 Press the MENU key to close the menu 4 3 4 4 4 ECHOSOUNDER Picture Advance Speed The picture advance speed determines how quickly the vertical scan lines run across the screen When selecting a picture advance speed keep in mind that a fast advance speed will expand a fish school horizontally and a slow advance speed will contract it Note Match the picture advance speed to that of the echo sounder This setting does not affect original echosounder setting Press the MENU key to open the menu Use the RANGE control to choose MENU MODE at the top of the screen Use the GAIN control to choose SOUNDER Use the RANGE control to choose ADVANCE The picture advance speed setting is locked so use the GAIN control to choose YES and then press the EVENT key 6 Use the GAIN control to adjust advance speed desired The fractions in the dialog box are one line produced per number of transmissions For example 1 2 displays one scan line per two tr
80. when the speed is over 16 knots and the speed warning is turned on in the SYSTEM menu the message Max allowable speed for extended transducer is 16 kt Max allowable speed during raising lowering transducer is 16 kt and the audio alarm sounds Press the R B key to silence the audio alarm 2 When the lamp above the 1 switch lights meaning the transducer is completely retracted press the POWER switch on the control unit to turn off the power 3 Turn off the monitor Note 1 The transducer is automatically retracted into the tank whenever the power switch is turned off However for safety purposes make it a habit to retract the transducer before turning off the power Note 2 The equipment can be set to automatically retract the transducer when the ship exceeds the operator set speed Speed data required The transducer may be retracted at a different speed than set if the speed data is different from actual speed In all cases reduce the speed below 16 knots and then retract the transducer 1 9 1 OPERATIONAL OVERVIEW 1 4 1 4 1 Setting the Tilt Angle The tilt angle shows the direction to which the sound wave is emitted When the sound wave is emitted horizontally it is said to be zero 0 degrees and when emitted vertically 90 degrees To set a tilt angle operate the TILT lever for the desired angle while watching the tilt angle indication at the top right corner of the sonar display Each time the lever is opera
81. wreck A Flat bottom Tilt angle 10 to 15 Decreased tilt angle e Only half of 4 gt vertical beam width captures the bottom B Flat bottom Tilt angle 20 or more Bottom is displayed narrower and in stronger colors when compared to A C Sloping bottom Tilt angle 20 or more Shallow bottom is displayed in a strong color and with a short tail Bottom The deeper sloping bottom echo is displayed in a weak color and with a long tail Bottom echoes 6 1 6 INTERPRETING THE DISPLAY 6 2 Fish School A fish school appears as a mass of echoes The color of the mass shows the density To know the distribution and center point of a fish school choose several different tilt angles A Sea surface fish Tilt angle 0 to 10 Bottom echo not displayed because of decreased 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 bottom can be detected Bottom Fish school Large midwater fish school is present Tilt angle 0 to 20 Fish echo which appears together with or after bottom can be detected Fish school Bottom To search bottom fish use a narrow tillt angle so the bottom echo will be weak enabling you to see bottom fish echoes Fish echoes 6 INTERPRETING THE DISPLAY 6 3 Sea Surface Reflecti
82. y Deleting Marks You may collectively delete track event marks or fish marks as shown below Own ship position mark may be also be deleted one by one Press the MENU key to open the menu Use the RANGE control to choose MENU MODE at the top of the screen Use the GAIN control to choose SONAR Use the RANGE control to choose ERASE MARKS Use the GAIN control to choose item to delete TRACK SHIP EVENT or FISH TRACK The oldest 1096 of the ship s track is erased with each press of the EVENT key SHIP The oldest own ship mark is deleted with each press of the EVENT key EVENT FISH All corresponding marks are erased when the EVENT key is pressed Qe Eg em 6 Press the EVENT key to delete all of the mark type selected at step 5 7 Press the MENU key to close the menu 3 9 3 ADVANCED SONAR OPERATION 3 8 JTVGNEAR 6 267 4 BEAMWIDTH arrow Narrow W 4 Function Keys F1 F4 A function key may be programmed two ways set up the equipment according to fishing ground or target fish or provide a shortcut for a menu item on the SONAR or SOUNDER menu Default function key programs main items onl Function Key Default program iab F1 Short range detection 10 8 10 F2 Long range detection Short range detection F4 Long range detection 6 5 0 5 1 COLORCURE 4 1 4 2 2 COLOR RESPONSE 2 4 2

Furuno CSH-8L Radar Detector User Manual

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