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color video sounder fcv-293
Contents
1. 13 epi Unio OS 13 DIaqNnOoSUCS uuu u 19 F Fish alarm echo 13 aos 8 Fish school echoes 15 Fuse replacement 18 G GAIN control uu s as 6 UO 11 Indications 4 M Mall Molina iii 10 Maintenance fuse replacement 18 general 17 Manual operation 5 Marker zoom display 2 Menu tree 2 1 2f N Noise 10 Normal ASP 2 Preset gain adjustment 11 PUSSIES NSS 13 R RANGE control 5 Range programming 13 S SIG LEV 7 Sl OO ih sd dois 11 STC Sensitivity Time Control 14 Surface noise aeration 16 System configuration V System menu see D Sn 12 Tr TEFOUDIGSDOOLIG uw a Z 18 PA 13 W White 9 Z Zero WING sete 15 Zoom ra
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3. LP LUJLR2UILNTCO OPERATOR S MANUAL COLOR VIDEO SOUNDER MODEL FCV 293 FURUNO ELECTRIC LTD NISHINOMIYA JAPAN PRINTED IN KOREA FURUNO ELECTRIC CO LTD 9 52 Ashihara cho Nishinomiya Japan Telephone 0798 65 2111 Telefax 0798 65 4200 PUB No OME 23700 DAMI FCV 293 Your Local Agent Dealer FIRST EDITION SEP 2002 B1 JAN 6 2003 0 OME23700B10 SAFETY INSTRUCTIONS Safety Instructions for the Operator WARNING ELECTRICAL SHOCK HAZARD Do not open the equipment Only qualified personnel should work inside the equipment Immediately turn off the power at the switchboard if water leaks into the equipment or something is dropped in 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 shock 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 WARNING Keep
4. 000 015 065 15M TFB 1000 1 T 603 W 000 015 201 000 015 511 TPB 9000 1 T 64 000 015 213 000 015 327 TFB 5000 1 000 015 206 206 TRB 1000 1 200B 5S 000 015 215 000 015 029 TFB 1000 1 000 015 201 TPB 9000 1 000 015 213 Available transducers 2kW Freq kHz 000 015 020 15M Thru hull Tank pipe Steel TFB 5000 1 T 611 000 015 206 000 015 531 611 000 015 215 000 015 532 TRB 1000 1 FRP TFB 1000 1 end 000 015 201 T 611 W TPB 9000 1 000 015 533 000 015 213 5000 1 T 702 000 015 206 000 015 041 TRB 1000 T 702 F 000 015 215 000 015 240 TFB 1000 1 000 015 201 FRP 50BL 12 000 015 013 Wood TPB 9000 1 000 015 213 TFB 5000 1 T 608 000 015 206 000 015 525 Eus TRB 1000 1 T 608 F 200B 8 000 015 215 000 015 526 000 015 030 TFB 1000 1 T 608 W 000 015 201 000 015 527 One TPB 9000 1 T 32B 000 015 213 000 015 318 TFB 5000 1 T 608 mice 000 015 206 000 015 525 200B 8B 000 015 032 15M 000 015 034 30M 000 015 035 50M TRB 1000 1 T 608 F 000 015 215 000 015 526 FRP TFB 1000 1 T 608 W 000 015 201 000 015 527 TPB 9000 1 T 32B 000 015 213 000 015 318 Wood viii 1 OPERATION 1 1 Description of Controls SHIFT x x Changes start depth chooses options on menus Chooses picture advance speed
5. Ground the equipment to prevent mutual interference 25 4 INSTALLATION 4 4 Output Power Set the output power on the MAIN Board 02P6315 as below N CAUTION Set the jumper block correctly Incorrect setting may damage display unit and transducer Note lf the transducer frequency is different from that specified when ordering the MAIN Board must be replaced 1 Turn off the power 2 Remove the cover 3 Change jumper block JP10 s setting according to transducer used referring to the table below Tap Factory Transducer 1540 Setting D 200B 5S 2 200B 8 8B JA DANGER Use needle nose 5 B HIGH VOLTAGE IN pliers to change Do notioich anode jumper block position n or its cable 7 a MAIN Board JP10 02P6315 Display unit cover removed right side view 4 Close the cover 26 9 MENU OVERVIEW Default settings in bold italic MODE switch MENU position NOISE LIMITER OFF 1 2 3 HUE SELECTION 1 9 3 GAIN ADJUST 200kHz or 50kHz 30 to 30 0 CLUTTER LEVEL 0 7 LO L7 S3 ALARM ZONE 1 99 5 SMOOTHING OFF ON Press any key while turning on OPTION SELF TEST Press key to execute diagnostic test Ne MODE SYSTEM MENU MENU SELECT 1 2 Press DEPTH UNIT ft fa MERO TX OUTPUT MAX MIN no 1 ZOOM MARKER OFF ON F A LEVE
6. Interference from Electrical interference other sounder Interference 10 1 1 13 2 Background and echo colors HUE SELECTION provides various echo color gradations and background color combinations Refer to the table below to choose hue Hue echo color and background color el wl s colors Colors RB chrome RB Reddish brown DBLU Dark blue LBLU Light blue bkgd background 1 13 3 Adjusting preset gain You may adjust the preset gain when the GAIN control on the front cannot sufficiently adjust the gain sensitivity Changing the setting of GAIN ADJUST by 10 corresponds to changing the gain by the front panel GAIN control by 1 1 13 4 Eliminating low level noise Light blue dots mainly caused by sediments in the water may appear over most of screen These dots can be suppressed by adjusting CLUTTER LEVEL referring to the table below Turn off the clutter level function when no clutter is present so as not to miss weak echoes Clutter level setting and use Clutter level setting 50 57 Suppresses weak echo colors according to setting level LO L7 Narrows dynamic range over whole echo color 1 13 5 Smoothing echoes When echoes look spotty turn on the SMOOTHING feature The default setting is Echoes in the horizontal direction are averaged to smooth the echo presentation 11 1 OPERATION 1 14 System Menu The system menu provides function
7. 8 37081 90 SNVUL T MOVs 14 6159420 8 lt L gt INdNI OG HA d 9 9619520 s AS er OGAZ 12 801 AOL 61695120 t A06 155 SNIVW S dIHS 27 AOL l 2 Sz i 515 01 00809 002 05 0909520 XH c y gt gt E E dyd1 3 2 L lt 1615520 lt 1 lt Y39NASNYHL XL V HX deg W PSZ SON er ir 7617520 15 60 0240 8169420 mua A AAA A SSL 391205909 31v9 109 SSNVD 30 2 Tig gt zHWOE c A adpeossaun C i x 3199 c Y 58 t e lt ONAS H O EJ T l OB8AS A A A x vvI 3HS di8 WoW INDEX A ADVANCE KEY u L u u uu uuu uu uuu 6 ALARM Key didactica 8 Alarm marker widh 9 A scope display 7 AUTO KOY 5 Automatic operation 5 Boltoim ala Mission 8 Bottom discrimination display 4 ds 16 Bottom echo level 14 oe o 3 Bottom lock range Ni 13 Bottom zoom display 3 C CONTO HUS 1 D Default settings 20 Demonstration
8. MODE switch position M Z The marker zoom display expands the area between the VRM and the zoom marker on the normal picture to full vertical size of the screen on the left half wndow You may specify the portion to expand by operating the VRM Variable Range Marker which you can shift with the A and V keys 25 Zoomed fish _ Normal We display Variable range marker green This section is Zoomed Zoom marker yellow Marker zoom display Marker zoom display 1 OPERATION 1 3 3 Bottom lock display MODE switch position B L The bottom lock display provides a compressed normal picture on the top 2 3 of the screen and a 2 5 or 10 meter wide layer in contact with the bottom is expanded onto the bottom 1 3 of the screen This mode offers excellent fish discrimination which is indispensable for bottom trawlers Zoom marker yellow Normal display Zoomed echoes Bottom lock display Bottom lock display 1 3 4 Bottom zoom display MODE switch position B Z The bottom zoom display expands bottom and bottom fish echoes two to five times to vertical size of the screen The zone automatically moves so that the bottom echoes are located on the lower half of the screen Bottom zoom display Bottom Normal display Bottom zoom display 1 OPERATION 1 3 5 Bottom discrimination display MODE switch position B D The bottom discriminat
9. 3 2 Marker zoom display 2 1 3 3 Bottom lock display 3 1 3 4 Bottom zoom display 3 1 3 5 Bottom discrimination display 4 1 4 Indications 4 1 5 Automatic Operation 5 1 6 Manual Operation 5 1 6 1 Range selection 5 1 6 2 Gain adjustment 6 1 7 Picture Advance Speed 6 1 8 Eliminating Low Intensity Echoes 1 9 Measuring Depth 7 1 10 A scope Display 7 PALALI S aan 8 1 11 1 Activating Deactivating an alarm 8 1 11 2 Silencing the audio alarm 8 1 11 3 Changing alarm marker width 9 1 12 White Marker 9 1 13 Adjusting the Picture From the Main MenU ee 10 1 13 1 Suppressing interference 10 1 13 2 Background and echo colors 11 1 13 3 Adjusting preset gain 11 1 13 4 Eliminating low level noise 11 1 13 5 Smoothing echoes 11 1 14 System 12 1 15 Demonstration Mode 13 1 16 Short Range Gain Setting 14 1 17 Bottom Echo Level 14 2 INTERPRETING THE D
10. ADVANCE AUTO Turns automatic mode on off E Press together with ADVANCE to enable disable the A scope display Shifts VRM white marker chooses items on menus Press both keys together to enable disable white echo feature Chooses display range Adjusts receiver gain Chooses presentation mode Turns power on off adjusts display brilliance Control panel 1 2 Turning the Power On Off Adjusting Brilliance Turn the BRILL control clockwise to turn on the power The displays shows model no for several seconds followed by the last used display You may go immediately to the last used display from the model no display by pressing any key Turn the control clockwise to raise display brilliance counterclockwise to lower it To turn off the power turn the control fully counterclockwise until you hear a click Note The example screens shown in this manual may not match the screens shown on your display The screens you see depend on system configuration and system settings 1 OPERATION 1 3 Presentation Mode Use the MODE switch to choose presentation mode Six choices are available normal display marker zoom bottom lock bottom zoom bottom discrimination and menu 1 3 1 Normal display MODE switch position NORM The normal display shows the video sounder picture over the entire screen and it is useful for general observation of fish schools and bottom Normal display 1 3 2 Marker zoom display
11. Main Unit 12 24 VDC 3 3 1 7 A 40 VA max ENVIRONMENTAL CONDITION Ambient Temperature O C to 50 C Damp Heat 95 at 40 Waterproof IPX2 Vibration IEC 60945 COATING COLOR Display Unit Chassis 2 5GY5 1 5 SP 1 E2370501B PACKING LIST 02FT X 9851 0 1 4 FCV 293E T C NAME OUTLINE DESCRIPTION CODE No Q TY UNIT Sc 878 000 022 222 SPARE PARTS SP02 04701 DISPLAY UNIT FGBO A 5A ACI25V 3 000 549 064 ACCESSORIES FP03 04310 040 5025 BLIND CAP 2 000 117 940 0026 117 940 ia a RE KIV 2 050 70 2 000 554 516 554 516 pic IMS ws VINYL WIRE NCS CONNECTOR 000 506 505 MJ MJ A15A3F0003 030 5A CABLE ASSY 000 000 146 334 334 DOUBLE ASTERISK DENOTES COMMONLY USED EQUIPMENT DIMENSIONS IN DRAWING FOR REFERENCE ONLY C2370 Z01 A 09 21810313 Q2 N 8 5 DOTH LVV 1 ND av jd 394105 LINA 403 6 SA 38995 9491 AD 51 104 OW ISN SNUISNAWIC 30 32 43 101 SALV IANI T 3141 JUNWAW 319 3143 03030238 1 HdjzoZzssrt AA5eYcir s YUMOTWEODE e S PIT
12. A or Y key The default alarm marker width is 5 meters To change the width see paragraph 1 11 3 Alarm icon LEE Fish alarm 1 B Bottom alarm E Starting point Alarm marker How the alarm works To turn off the alarm press the ALARM key twice or three times depending on alarm in use to show ALARM OFF 1 11 2 Silencing the audio alarm The audio alarm sounds when an alarm is violated Press any key to silence the audio alarm The audio alarm will be released the next time the alarm setting is violated 1 OPERATION 1 11 3 Changing alarm marker width The default alarm marker width is five meters You can choose a different width from 1 99 meters as follows 1 Setthe MODE switch in the MENU position OFF 1 2 3 1 9 90 kHz depending 30 30 transducer used S0 S7 10 17 ALARM ZONE 1 99 OFF TO SELECT ITEM TO SET CONDITION Main menu 2 Use the A or V key to choose ALARM ZONE 3 Use the or key to set width 4 Setthe MODE switch in any other mode 1 12 White Marker Any color on the color bar can be changed to white For example you may want to show the bottom echo in white to discriminate bottom fish close to the bottom 1 Press the A and keys together 2 Press the A or W key to place the white marker at the location desired on the color bar To remove the white marker from the color bar press the key severa
13. ISPLAY 15 2 1 Zero LINC a 15 2 2 Fish School Echoes 15 29 DOLO ECON Low ee Pas 16 2 4 Surface Noise Aeration 16 3 1 Maintenance 17 3 2 Replacing the Fuse 18 3 3 Troubleshooting 18 2 4 DIagnosll eS Lade 19 3 5 Restoring Default Settings 20 4 INSTALLATION 21 AA Display WAM xi 21 4 1 1 Mounting considerations 21 4 1 2 Mounting procedure 22 4 2 WTransqucer 23 ieira 24 4 4 Output Power 26 5 MENU OVERVIEW 27 SPECIFICATIONS SP 1 PACKING LIST OUTLINE DRAWING INTERCONNECTION DIAGRAM SCHEMATIC DIAGRAM FOREWORD A Word to FCV 293 Owners Congratulations on your choice of the FURUNO FCV 293 Color Video Sounder We are confident you will see why the FURUNO name has become synonymous with quality and reliability 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 This equipm
14. L WEAK MED STRG PULSE AUTO 0 1 3 6 Choose 2 MENU SELECT 1 2 BASIC RANGE 1 5 BASIC RANGE 2 10 BASIC RANGE 3 20 Menu BASIC RANGE 4 40 0 Available range no 2 BASIC RANGE 5 80 5 4000 m BASIC RANGE 6 150 BASIC RANGE 7 300 BASIC RANGE 8 500 ZOOM RANGE 20 10 200 B L RANGE 2 5 10 SET DATA TO DEFAULT Press key to restore all default menu settings DEMONSTRATION Press v key to activate demonstration mode 27 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 1 11 1 12 1 13 3 1 3 2 3 9 3 4 SPECIFICATIONS OF COLOR VIDEO SOUNDER FCV 293 GENERAL Display 10 diagonal CRT Echo Color 8 or 16 colors according to echo intensity Basic Range PassVBrazalS 5 10 30 50 100 200 300 Range Shift Display start depth can be shifted in 1 10 or 100 m ft fa PB Zoom Range 10 200 m Bottom Lock Expansion Range 2 5 10 m TX Frequency 50 kHz or 200 kHz selectable Output Power 1 or 2 kWrms Pulse Length 0 1 3 6 ms Auto Mode Automatically changes depth range and sensitivity according to depth Presentation Mode NORMAL Normal Display B L Normal Bottom lock expansion B Z Normal Bottom zoom B D Normal Bottom discrimination M Z Normal Marker zoom A scope presentation is also available Picture Advance Speed 1 16 1 8 1 4 1 2 1 1 2 1 and freeze Alarm Fish or bottom echo comes into the alarm zone POWER SUPPLY
15. PROG NO 025 2312 XX XX XX XX Program version no Option mode menu 2 Press the A key to restore default menu settings The message SET DATA TO DEFAULT appears while default menu settings are being restored Then the startup screen appears followed by the last used display 20 4 INSTALLATION A WARNING ELECTRICAL SHOCK HAZARD Do not open the equipment Only qualified personnel should work inside the equipment 4 1 Display Unit 4 1 1 Mounting considerations The display unit may be mounted on a desktop or on the overhead When selecting a mounting location for the display unit keep the following points in mind Keep the unit out of direct sunlight The temperature and humidity of the mounting location should be moderate and stable Locate the unit away from exhaust pipes and vents The mounting location should be well ventilated Mount the unit where shock and vibration are minimal Keep the unit away from electromagnetic field generating equipment such as motors and generators For maintenance and checking ease leave sufficient space at the sides and rear of the unit and leave slack in cables For overhead mounting be sure the mounting location is strong enough to support the weight of the unit under the continued vibration normally encountered onboard the vessel Reinforce the mounting location if necessary A magnetic compass will be affected if the display unit is placed too close to it Observ
16. arker 1 10 A scope Display The A scope display shows echoes at each transmission with amplitude and tone proportional to their intensities on the right 1 3 of the screen It is useful for estimating the kind of fish school and bottom composition To turn the A scope on and off alternately press the ADVANCE and AUTO keys together Weak reflection fish or noise Strong _ reflection fish Normal display Strong reflection A scope display bottom A scope display 1 OPERATION 1 11 Alarms The FCV 293 provides fish and bottom alarms which generate audio and visual alarms when violated The fish alarm informs you that a fish echo strength which triggers the alarm determined by system menu setting has entered the alarm zone and the bottom alarm alerts you when the bottom echo has come within the alarm zone 1 11 1 Activating Deactivating an alarm 1 Press the ALARM key to show FISH ALARM or BOTTOM ALARM at the screen center whichever alarm you want to use The corresponding alarm icon appears at the top right corner of the display See the illustration below for location Current alarm zone FISH ALARM BOTTOM ALARM ALARM ZONE 0 5 ALARM ZONE 0 5 TO CONTROL ALARM MARKER TO CONTROL ALARM MARKER FISH ALARM BOTTOM ALARM Fish and bottom alarm setting windows 2 While the alarm setting window is displayed move the alarm marker to the desired depth with the
17. by equalizing echo presentation so that fish schools of the same size appear in the same density in both shallow and deep waters In addition it reduces surface noise Note that if the STC level is set too high short range echoes may not be displayed 1 Turn on the power while pressing any key to show the option mode menu 2 Press the ADVANCE key five times to show the STC setting window STC TYPE 0 9 DEF 3 3 A v STC setting window 3 Use the A or key to change the setting Increase the setting when surface noise is present on the screen 4 Turn the power off and on again 1 17 Bottom Echo Level If the depth indication is unstable in automatic operation or the bottom echo cannot be displayed in reddish brown by adjusting the GAIN control in manual operation you may adjust the bottom echo level detection circuit to stabilize the depth indication Note that if the level is set too low weak echoes may be judged as the bottom echo and if it is set too high the depth indication will not be displayed 1 Turn on the power while pressing any key to show the option mode menu 2 Press the ALARM key five times to show the bottom level setting window 145 026 066 087 176 027 Bottom Tracking Status 002 153 191 200 Bottom Tracking Counter 000 Bottom echo not found _ Value 0 200 001 Bottom found A S Z Sa Counts up with stable 002 Bottom found stable DEF 80 080 A v tracking counts down b
18. cho SYSTEM CONFIGURATION DISPLAY UNIT CV 293 Rectifier x Ship s Mains Ree E 42 24 VDO 100 110 220 230 a 16 50 60 Hz See equipment lis TRANSDUCER for available transducers 1 Standard Option System configuration EQUIPMENT LISTS Standard supply Display Unit CV 293 a Spare Parts Installation Materials FP03 04310 008 411 810 1 set See packing list at back of this manual for details Optional supply Name Type CodeNo Qty Remarks 2 Rectifier PR 62 100 VAC 000 013 485 4 110 000 013 486 220 VAC 000 013 487 230 VAC See the next several pages for transducer and recommended thru hull pipe and tank Transducer vi Available transducers 1kW Thru hull Tank pipe TFB 5000 1 T 605 000 015 042 10M 000 015 206 000 015 515 TRB 1000 1 T 605 F 000 015 215 000 015 516 TFB 1000 1 000 015 201 605 TPB 9000 1 000 015 517 000 015 213 TFB 5000 1 T 605 000 015 206 000 015 515 1000 T 605 F a A 000 015 215 000 015 516 000 015 018 30M To 000 015 201 T 605 W TPB 9000 1 000 015 517 000 015 213 000 015 206 000 015 509 TRB 1000 1 T 603 F 50B 9B 000 015 215 000 015 510
19. e the following compass safe distances to prevent disturbance to a magnetic compass Standard compass 1 4 oteering compass 0 95 m 21 4 INSTALLATION 4 1 2 Mounting procedure Desktop Mounting Overhead Mounting 1 Unscrew two bolts M8 x 40 from the front of 1 Detach the display unit cover the display unit to detach the mounting cradle Drill four 11 bolt holes in the desktop referring to the outline drawing at the back of the manual for mounting dimensions Fasten the mounting cradle to the mounting location with M10 bolts nuts and washers Set the display unit to the mounting cradle and fix it with the bolts removed at step 1 Put cosmetic caps supplied on the heads of the bolts fastened at step 4 Hexagon Head Bolt M10 Hexagon Head 5 Bolt 8 x 40 E T Washer Spring Washer Hexagon Head Nut Mounting Cradle Unfasten two bolts M8 x 40 from the front of the display unit to detach the mounting cradle Unfasten four bolts M4 x 16 from the bottom of the unit to remove the ramp base Fasten the ramp base at the top of the display unit with the four bolts unfastened at step 3 Fix the mounting cradle to the mounting location with four sets of M10 nuts bolts and washers Do not use tapping screws to fix the mounting cradle they are not strong enough to support the weight of the unit Fasten the ramp base with display unit to the mounting cradle with
20. electing a picture advance speed keep in mind that a fast advance speed will expand the size of the fish school horizontally on the screen and a slow advance speed will contract it Fast Slow Picture advance speed and echo appearance Press the ADVANCE key to show the picture advance speed selection window Continue pressing the key to choose desired speed The fraction in the window denotes the number of scan lines produced per transmission For example 1 8 means one scan line is produced every eight transmissions 0 STOP freezes the display and it is convenient for taking a photograph of the display 0 k g 1 gt ADVANCE 2 dls ae 4 gt cd 9 _ gt bcd ls 1 8 2 Picture advance speed selection windows 1 OPERATION 1 8 Eliminating Low Intensity Echoes Sediments in the water or reflections from plankton may be painted on the display in green or light blue These weak echoes may be eliminated by using the SIG LEV key Every press of the key eliminates up to five of the weakest color echoes in the 16 color display or up to the two of the weakest color echoes in the 8 color display The echoes eliminated can be identified with the color bar the echo colors eliminated are erased from the color bar 1 9 Measuring Depth Use the VRM Variable Range Marker to measure the depth Operate the A or V key to shift the VRM The VRM depth is shown just above the VRM Variable Range M
21. ent is designed and constructed to meet the rigorous demands of the marine environment However no machine can perform its intended function unless operated and maintained properly Please carefully read and follow the recommended procedures for 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 FCV 293 is a single frequency color video sounder which has a large variety of functions all contained in a remarkably small cabinet e 10 diagonal color CRT provides bright and vivid presentation of underwater conditions Wide variety of presentation modes normal bottom lock marker zoom bottom zoom bottom discrimination Automatic mode automatically adjusts range to display the bottom echo A scope presentation displays echoes in their true intensities vital for the bottom trawler and lobster crab potter Fish and bottom alarms release audio and visual alarms when a fish echo or bottom echo enters the user set alarm zone Demonstration mode provides internally generated sounder picture to acquaint you with the FCV 293 s features Connection of transducer is not required Pulselengths from 0 1 to 3 6 msec for excellent performance on both shallow and deep ranges Automatic or manual selection White marker shows any echo in white color Useful for discriminating bottom fish from bottom e
22. equipment 3 1 Maintenance Regular maintenance is essential for good performance Checking the items listed in the table below on a regular basis will keep the equipment in good shape for years to come Checking lem Action If conductors are exposed replace cable If loosened secure firmly Display unit Remove dust or dirt from the display unit with a soft cloth If desired a water moistened cloth may be used Do not use solvents such as thinner acetone or benzene for cleaning they can remove paint and markings or deform the unit Transducer Marine life on the transducer face will result in a gradual decrease in sensitivity Check the transducer face for cleanliness each time the boat is dry docked Carefully remove any marine life with a piece of wood or fine grade sandpaper 17 3 MAINTENANCE TROUBLESHOOTING 3 2 Replacing the Fuse The 5A fuse in the power cable protects the system from reverse polarity of the ship s mains and equipment fault If the fuse blows find the cause before replacing it A 1A fuse is also incorporated inside the display unit on the pcb PG774A 1 2 for the monitor If the power cannot be turned on and the fuse in the power cable is normal have a service technician check the fuse on the MAIN Board A CAUTION Use the proper fuse Use of a wrong fuse can result in damage to the equipment 3 3 Troubleshooting The table below provides simple troubleshooting procedures which
23. hallow depths The color and tail of the bottom echo can be used to help determine the density of the bottom materials soft or hard and the harder the bottom the wider the trace If the gain is set to show only a single bottom echo on mud a rocky bottom will show a second or third bottom return When determining bottom hardness the range should be chosen so the first and second bottom echoes are displayed Note that the line in the center of the right hand illustration below appears for demonstration purposes it does not appear on the normal display Hock base Intensity difference between depths Second bottom echo Bottom echoes 2 4 Surface Noise Aeration When the waters are rough or the boat passes over a wake surface noise may appear near the zero line As surface turbulence is acoustically equivalent to running into a brick wall the bottom echo will be displayed intermittently In rough waters the display is occasionally interrupted due to below the ship air bubbles obstructing the sound path This also occurs when the boat makes a quick turn or reverses movement Reconsideration of the transducer installation may be necessary if the interruption occurs frequently Ultrasonic wave blocked by aerated water Aerated water and video sounder picture 16 3 MAINTENANCE TROUBLESHOOTING A WARNING ELECTRICAL SHOCK HAZARD Do not open the equipment Only qualified personnel should work inside the
24. he fish echo strength level which triggers the fish alarm weak medium or strong PULSE Chooses pulselength selection mode automatic or manual For manual selection choose a short pulselength for better resolution a longer pulselength for longer detection range MENU SELECT Chooses menu no 1 menu no 2 BASIC RANGE 1 8 Program basic ranges The available range is from 5 to 4000 meters oet in order from lowest to highest ZOOM RANGE oets the range of the zoom marker in the bottom zoom display The range is 10 200 meters B L RANGE Sets the bottom lock range that is the distance from the bottom to expand The choices are 2 5 and 10 meters 1 15 Demonstration Mode The demonstration mode provides a simulated video sounder picture using internally generated echoes to help acquaint you with the many features of the FCV 293 All controls are operative Connection of the transducer is not required 1 Turn on the power while pressing any key OPTION MODE SELF TEST SYSTEM MENU SET DATA TO DEFAULT v DEMONSTRATION PLEASE HIT ANY KEY PROG NO 025 2312 XX XX XX XX Program version no Option mode menu 2 Press the key to activate the demonstration mode To restore normal operation turn the power off and on again 13 1 OPERATION 1 16 Short Range Gain Setting STC Sensitivity Time Control compensates for propagation attenuation of the ultrasonic wave lt does this
25. heater away from equipment A heater can melt the equipment s power cord which can cause fire or electrical shock Do not operate the equipment with wet hands Electrical shock can result CAUTION Use the proper fuse Use of a wrong fuse can result in damage to the equipment and void the warranty WARNING LABEL A warning label is attached to the equip ment Do not remove the label If the label is missing or damaged contact a FURUNO agent or dealer about replacement WARNING A Name Warning Label 1 To avoid electrical shock do not Type 86 003 1011 1 remove cover No user serviceable Code No 100 236 231 parts inside Safety Instructions for the Installer A WARNING ELECTRICAL SHOCK HAZARD Do not open the equipment unless totally familiar with electrical circuits and service manual Only qualified personnel should work inside the equipment Turn off the power at the switchboard before beginning the installation Fire or electrical shock can result if the power is left on Do not install the equipment where it may get wet from rain or water splash Water in the equipment can result in fire electrical shock or damage to the equipment Be sure no water leaks in at the trans ducer mounting location Water leakage can sink the vessel Also confirm that the transducer will not loosen by ship s vibration The installer of the equipment is solely responsible for the proper insta
26. ion display paints the bottom contour as a straight line The upper part of the bottom discrimination screen displays fish echoes expanded like a bottom lock picture and the lower part bottom reflections below the bottom contour with a normal range scale This mode is useful for finding bottom conditions Zoom marker Bottom tail 92900 Long tail Hard bottom Short tail Soft bottom Bottom discrimination Normal display display Bottom discrimination display 1 4 Indications The illustration below shows all the indications which may appear on the normal display Noise Limiter Picture Advance Speed Signal Level Alarm F Fish B Bottom Minute Marker Zero T Each segment is equal to 30 seconds Col Variable Range Marker VRM Bar Depth Scale Auto Mode Depth Indications 1 1 5 Automatic Operation Automatic operation is useful when you are preoccupied with other tasks and do not have the time to adjust the display The automatic function automatically selects the range scale to display the bottom echo on the display Note RANGE and SHIFT controls and are inoperative in automatic operation To activate the automatic mode press the AUTO key to show AUTO at the screen center AUTO appears above the depth indication when the auto mode is active 1 6 Manual Operation Manual operation is useful for observing fish schools and bottom using fixed gain
27. l times until the white marker disappears The white marker feature remains active press the A key several times to redisplay the white marker To disable the white marker press the V key several times to erase the white marker from the color bar and then press the A and V keys together 1 OPERATION 1 13 Adjusting the Picture From the Main Menu The main menu provides several functions for adjustment of the picture To show the main menu and set options do the following 1 Setthe MODE switch in the MENU position OFF 1 2 3 1 9 50 kHz depending 30 30 transducer used CLUTTER LEVEL S0 S7 LO L7 ALARM ZONE 1 99 OFF TO SELECT ITEM TO SET CONDITION Main menu 2 Use the A or V key to choose menu item Selected item and its current setting are shown in yellow color 3 Use the or key to set option 4 Set the MODE switch to any other mode to register settings 1 13 1 Suppressing interference Interference from other acoustic equipment operating nearby or electrical equipment on board own ship may appear on the screen as shown in the illustration below To suppress these forms of interference use the NOISE LIMITER The higher the number the greater the degree of interference suppression The current noise limiter setting is shown as NL 1 NL2 or NL3 at the top of the screen Turn off the noise limiter when no interference exists so as not miss weak echoes
28. ll from stern e 15 to 30 cm off center line e Within the wetted bottom area inside first lifting strakes e Deadrise angle within 15 Suitable transducer locations 23 4 INSTALLATION 4 3 Wiring Connect transducer power supply and ground wire as below NCS Connector 9 NCS 254 P XDR 09 2 CNN MIGNE e Ground Wire Power Cable KIV 2 0sq 2 m MJ A15A3F0003 030 5A 3 m 9 0 Ground Black White Transducer md Battery Wiring 24 4 INSTALLATION Transducer Route the transducer cable well away from power cables televisions and CRTs to prevent interference to the sounder Attach the NCS connector NCS 254 P to the transducer cable as below and connect it to the XDR connector at the rear of the display unit Shield Shield Foam Cable NCS Connector Cable Clamp NCS 254 P How to attach connector to transducer cable Ground To prevent interference to the picture and radio equipment connect the supplied ground wire between the ground terminal and ship s grounding bus The length of the wire should be as short as possible To obtain a good ground on an FRP vessel a 20 x 30 cm copper plate can be welded on the outside of the ship s hull Connect the ground wire to the copper plate Note Use a closed type lug to make the connection at the display unit Do not use an open type lug CAUTION
29. llation of the equipment FURUNO will assume no responsibility for any damage associated with improper installation Be sure that the power supply is compatible with the voltage rating of the equipment Connection of an incorrect power supply can cause fire or damage to the equipment Install the transducer tank according to the installation instructions Failure to install the tank correctly may result in water leakage and damage to the ship s hull CAUTION Observe the following compass safe distances to prevent interference to a magnetic compass otandard Steering compass compass Display unit The transducer cable must be handled carefully following the guidelines below Keep fuels and oils away from the cable Locate the cable where it will not be damaged The cable sheath is made of chloro phrene or polychloride vinyl which is easily damaged by plastic solvents such as toulene Locate the cable well away from plastic solvents TABLE OF CONTENTS FOREWORD Iv SYSTEM CONFIGURATION V EQUIPMENT LISTS vi OPERATION ciu 1 1 1 Description of Controls 1 1 2 Turning the Power On Off Adjusting Brlliagee uu u uu u DRE nO n EIE 1 1 3 Presentation 2 1 3 1 Normal display 2 1
30. nge a 13 IN 1
31. or devices of the equipment are checked and the results displayed as OK or NG No Good For any NG contact your dealer for advice DEVICE CHECK OK appears for normal condition NG for error For any NG contact your dealer for advice Color Bar KEY SWITCH CHECK KEY Press any key Name of key pressed appears while key is pressed RANGE Operate RANGE switch Numeric 83 shows switch position no MENU GAIN Operate GAIN switch A figure between 24 10 position and 124 0 position 50KHZ should appear MODE Operate MODE switch Name of switch position appears FREQ Transducer frequency 50 kHz or 200 kHz Y KEYS SWITCHES Diagnostic test results 3 Operate keys and switches to check them for proper operation a Press each key one by one The name of key pressed appears to the right of KEY if the key is functioning properly b Operate RANGE GAIN and MODE switches RANGE switch Switch position no appears GAIN switch Appropriate numeric 24 124 appears MODE switch Mode name appears 4 To escape from the diagnostic test turn the power off and on again 19 3 MAINTENANCE TROUBLESHOOTING 3 5 Restoring Default Settings All default menu settings can be restored as follows 1 Turn on the power while pressing any key to show the option mode menu OPTION MODE SELF TEST SYSTEM MENU SET DATA TO DEFAULT DEMONSTRATION PLEASE HIT ANY KEY
32. ottom tracking if bottom is lost Adjust to display 200 Default setting Current setting Bottom level setting window Use the A or key to set The depth indication appears when the bottom echo is correctly captured 4 Turn the power off and on again 14 2 INTERPRETING THE DISPLAY 2 1 Zero Line The zero line sometimes referred to as the transmission line represents the transducer s position and moves off the screen when a deep phased range is used Zero Line Range shifted Zero line 2 2 Fish School Echoes Fish school echoes will generally be plotted between the zero line and the bottom Usually the fish school fish echo is weaker than the bottom echo because its reflection property is much smaller when compared to the bottom The size of the fish school can be ascertained from the density of its echo Size of fish school Fish school echoes 15 2 INTERPRETING THE DISPLAY 2 3 Bottom Echo Echoes from the bottom are normally the strongest and are displayed in reddish brown color in default color arrangement but the color and width will vary with bottom composition water depth frequency sensitivity etc In a comparatively shallow depth a high gain setting will cause a second or sometimes a third or a fourth echo to be displayed at the same interval between them below the first echo trace This is because the echo travels between the bottom and the surface twice or more in s
33. range and shift settings To choose manual operation press the AUTO key to show AUTO OFF at the screen center 1 6 1 Range selection The basic range and range shifting functions used 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 Basic range The basic range may be selected with the RANGE control from the ranges shown below Basic display ranges default 2 4 8 v Metes 5 10 20 4 80 150 Feet 15 30 60 120 200 400 Fathoms 3 5 10 20 4 80 150 250 100 200 300 P B Passi Braza Range shifting The basic range may be shifted up or down by using the or key The amount of range shifting that is the depth at the upper limit of the window is shown at each press of the or key 1 OPERATION 1 6 2 Gain adjustment The GAIN control adjusts the sensitivity of the receiver Adjust the control so that a slight amount of noise remains on the screen Generally use a higher gain setting for deep waters and a lower setting for shallow waters Gain too high Gain proper Gain too low Examples of correct and incorrect gain settings 1 7 Picture Advance Speed The picture advance speed determines how quickly the vertical scan lines run across the screen When s
34. s which once preset do not required frequent adjustment You can access this menu as follows 1 Turn on the power while pressing any key to show the option mode menu OPTION MODE SELF TEST SYSTEM MENU A SET DATA TO DEFAULT v DEMONSTRATION PLEASE HIT ANY KEY PROG NO 025 2312 XX XX XX XX Program version no Option mode menu 2 Press the key to show menu no 1 of the system menu SYSTEM MENU 1 MENU SELECT 2 DEPTH UNIT ft TXOUTPUT MIN ZOOM MARKER OFF F ALEVEL WEAK STRG PULSE AUTO AUTO 0 1 3 6 A V TO SELECT ITEM TO SET CONDITION System menu menu no 1 3 display menu no 2 of the system menu press the A key to choose MENU SELECT and then press the key to choose 2 SYSTEM MENU 2 MENU SELECT m E BASIC RANGE 1 5 4000 RANGE 2 10 RANGE 3 RANGE 4 RANGE 5 RANGE 6 RANGE 7 RANGE 8 ZOOM RANGE 20 10 200 B L RANGE 5 AJIN O O O N 1 Go O O O O A V TO SELECT ITEM TO SET CONDITION System menu menu no 2 12 1 Description of system menu 6 MENU SELECT Chooses menu 1 menu 2 DEPTH UNIT Chooses unit of depth measurement among meters feet fathoms and passi braza TX OUTPUT Chooses transmitter output power minimum or maximum ZOOM MARKER Turns the zoom marker on or off F A LEVEL Chooses t
35. the two bolts removed at step 2 Put cosmetic caps supplied on the heads of the bolts fastened at step 6 Reattach the cover Hexagon Head Bolt M8 x 40 Mounting Cradle Doo z Hexagon Head Bolt M6 x 16 Ramp Base k Cover Fixing Screw Desktop and overhead mounting procedures 22 4 INSTALLATION 4 2 Transducer The performance of this sounder is directly related to the mounting location of the transducer especially for high speed cruising The installation should be planned in advance keeping the following factors in mind Air bubbles and turbulence caused by movement of the boat seriously degrade the sounding capability of the transducer The transducer should therefore be located in a position where water flow is the smoothest Noise from the propellers also adversely affects performance and the transducer should not be mounted nearby The lifting strakes are notorious for creating acoustic noise and these must be avoided by keeping the transducer inboard of them The transducer must always remain submerged even when the boat is rolling pitching or up on a plane at high speed A practical choice would be somewhere between 1 3 and 1 2 of the boat s length from the stern For planing hulls a practical location is generally rather far astern so that the transducer is always in water regardless of the planing attitude DEEP V HULL HIGH SPEED V HULL e Position 1 2 to 1 3 of the hu
36. you may follow to restore normal operation If you cannot restore normal operation contact your dealer for advice Troubleshooting table neither echo nor fixed e check if the battery is dead range scale appears e check fuse e check if power cable is firmly fastened no echo appears but fixed e check if the picture advance speed is set to 0 range scale is displayed e check if the transducer cable is firmly fastened does not appear sensitivity is low e check if the gain setting is suitable e check for air bubbles or underwater growth clinging to the transducer face e water may be full of sediments e bottom may be too soft to return an echo there is no water depth e check if the bottom echo is displayed readout noise or interference is e check if the transducer or its cable is located too close to the present engine e check the ground e check if other echo sounders of the same frequency are being operated nearby 18 3 MAINTENANCE TROUBLESHOOTING 3 4 Diagnostics The FCV 293 has a diagnostic facility which you may use to check the equipment for proper operation 1 Turn on the power while pressing any key to show the option mode menu OPTION MODE SELF TEST SYSTEM MENU 4 SET DATA TO DEFAULT DEMONSTRATION PLEASE HIT ANY KEY PROG NO 025 2312 XX XX XX XX Program version no Option mode menu 2 Press the key to start the diagnostic test The maj
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