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Furuno FCV-662 User's Manual

1. pe Fill in with epoxy material t Figure 3 Transom Mount 7 Adjust the transducer position so that the transducer faces right the seabed 8 If necessary to improve water flow and minimize air bubbles staying on the transducer face incline the transducer about 5 at the rear This may require a certain amount of experimentation for fine tuning at high eruising speeds 9 Fil the gap between the wedge front of the transducer and transom with epoxy material to eliminate any air spaces Inside Huli Mount Transducer Type See figure 6 on page 10 While this is by no means an optimum mounting scheme for deep water sounding this type of mounting can sometimes be used on fiberglass boats A transducer can be likened to an antenna used with a TV sot Mounting an antenna inside your attic is like mounting an echo sounder transducer inside the hull Both will work well enough but are hardly optimum for either TV or echo sounder operation In addition to the general considerations described on page 6 it is important to ensure that the transducer be placed in an area that has a single hull thickness and is void of air or flotation materials other than solid fiberglass between the transducer face und the water Also the transducer face should not be placed over hull struts or ribs which generally run under the hull Further a location where the rising angle of the hull exeeeds 15 sho
2. ARI Sr CAO faa gt ay RET viso Lo und Y my LA Oe MEER SE e EC 11490000941 E YT tori E AR PULO PISE El Wee disse 00 1 1 AAA Ary sttum FEURS yay MHD se Lanvie i POP TL xa poi v cin nee ae IAE i 4 vorust 1090 d l SROS a ide l s DURO fou scvs2 2 ANY pure N bien ESR nie 0 NE AES LI uj z0v0 EL P c L M M nm ore IAE in tire i it me rt 96042 vo nue AMION WS sone i gue bow wor IAIMIBIDST COVO El S be L Enn cen en go n pitu MEE be 7 C HAMNMIBOS 06 105060 PO TRI U L A 2 1 fore dire A A A e A A ae a q lre K erer l uc D i aia pan grypt cme M ee mi e t von i guest anes m ti 1 oe AIT rrn x of Toco JONAS A taco j e pe T 0L rd an 10008 013 CO a ed 1087 igw ziau 3 Leg pou RE e e e a le FAO Y 4099 gt socia Cog scu Tous 3AOSI E es m A HAZ a 81 ADO ay D i eteu fe VOR oz ste 1194 OTA IMD icio s tzee 0895 ye tef EM a Epal Ede Be ERE mrs LA ZZBAVOS rid CT 1198 19 00 ott E ee rats cies Ole 1 pL IS 199 ANA AN emp m ZZ9 N i vig 0 t L au A Algo 1082 os x1A 62222S2 1080 INSTALLATION OF OPTIONAL DEVICES Mounting Transom Type Transducer using Kick up Bracket 0P02 29 When the transducer is mounted extruded
3. 6 9 99 98 999 928583086 9 4 p 2 D 9 WV b 9 b b 9 9 9 9 9 b amp 4 a b 5 9 PEN A woe 1 e e ES r No water depth readout _ i Bottom echo is not painted in reddish brown ERA Bottom is not displayed on the screen sss ses nasa s sane Rae Kaa a 10 AAA Heavy noise or interference Is the transducer cable located too near the engine ee LL x Is the unit grounded 984 9 9 5 906 289 h a8 9 5 b 4 b E 4 9 45995 ba 9 5 12 Are other echo sounders of tne same frequeney operating nearby 13 No or unrealistic speed temperature indications Sensor plug is loose eee 9 o9 9 9 9 9S o o 9 9 9 9 9 9 9 9 9 A 93 seeenesee see eee ee esas 14 No or unrealistic ship s position indication d M sie Plug for the position fixing equipment is loose enn The position fixing equipment itself is operating normally e o A n a e e than 0 O Replace with a new one 3A 7 Ground firmly A ll I tr gt i Q Ix va PT De d cuu d m VM A 3 TOL PIT f X TAE JU Gently scrape ruis e d Zo them off Fig 36 37 di Try to mount a larye electrolytic capacitor right at the output terminals of the alternator as close as possible T
4. boo LGS s 99 SE EE EE E E E r CABLE CONNECTIONS 9 9 99285922258 9 9 9 b Pe 9 A A HOP ea Re RoE Transducer Cable Connection to Display Unit Power Cable Connection GROUNDING asar Ense dip Wu oon 999 E r EE EE E E E E E 9 eee PO 8 OHO R te we 9294969 eee 6 4 9 98 sae on 999 6 833857 t t sto t E E E E A vee eee e BASIC OPERATION x KRE NR cia NE ca EA EET Introduction 9 9 9 5 9 9 98 4 b 9 4 h 9V 9 9 9 9 8 pete amp 9 SE EF EE 9 09 amp r Controls Teeter NA oe Y ROPA E AR AAN REA R NAR N HORA rer Primary and Secondary Functions of Touchpad Keys sssseesesseseso Power ON OFF and Brilliance Control i4 kk p ER na Picture Page and Presentation Mode SelectiON ooooooonnm o o Normal Pieture Range Selection 44 5 140390005000 7 a R o9 9952595 4 oes Gain Control MODA Ars sosa RL d KR AKA AR RRR AA a Picture Advance Speed Selection KERER L RR KER Re reer USEFUL FUNCTIONS L 9282 ZE E SE SE SE E E E E E a hh c tette ste 6 1 T R R atts b 3500410 vo ono amp CME SE EE 8 EE SE SE S 8 59 8 4599282 295 p ictu Po Reeord Recall 0 SE SE TE I E E E 1 E RR H H H H H H H HTHH H TH Lurgot Depln Mensurement Dy VUM estantar A Noise Limiter 9 9 9 amp amp 9 5 b 9 9 4 amp 9 4 3 9 amp 5 amp 9
5. 240 RD Py 0 jm z YE c E i a C e J pO ez L IU d i No Name_ of Type ri i Fuse FGBO A 3A AC125V_ 30 WE SERE ID OPTION No Name l Speed Temperature ST 01PTB 000 109 503 Sensor ST ULPSB 000 109 504 ST 01MSB 2 Sensor Bracket j UPO2 30 201 358 850 i Kick up Bracket OP 02 29 LC 90 Connection Kit 0P02 23 000 914 400 i 5 Adhesive 0P 31 000 856 518 6 Rectifier PR 62 100VAC U00 013 484 1 y de o 24 VAC i 000 013 485 m 5 BAOVAC 000 013 486 9 930VAC 000 013 487 SYSTEM CONFIGURATION LC 90 Connection Kit 11 40V DC 4 Display _ 0P02 28 Loran 25W CV 662 LC E E Dual Frequeney a 4 Speed Temperature Transducer sensor TRANSDUCER MOUNTING METHODS TRANSOM MOUNT ea Se Pes 077 A a a CL CRM 0 2 3 ue N l E an i NN Im ar a S SAT IT A e SII Transducer Bracket 200070 77 7 07 Kiek up Bracket _ Option 0pP02 9 O HULL a eee ee EOS Y BOTTOM ol MOUNT A Lolo ie oa t SORA RHENO ANI RE UT pus TOME EET RIEN RIS nS ae 520 PS Qiana or 520 5MSB A A a rar eet a ean a te SSR na aiiai M SPEED TEMPERATURE SENSOR MOUNTING METHODS MU ee eee rs e lts CMS A 8 c gt TRANSOM EDU S OGG Sensor Option D 01PT B Ae mera arete
6. The Basic Range window jumps up when the seabed trace rises up over the center af the nornal picture and jumps down when the seabod trace disappears from tho lowost limit of the pieture The step of Jumping is 1 4 of the basie range in use NOTE 1 This may be used with the Lii op HN presentation Pat 2 When the seabed return becomes weal eut emite Pill yy Pei I ve i de e Lam 7 the AUTO mode does not work and eie AUT indication disappears Now you vate use the MANual shift funetion To continue AUTO inode inerease the Gain for stable reception of the seabed echo erm et ee o E sr 7 lFip 21 Automatic Bottom Tracking Distance to go Preset Distance Run Clear ors 4 A v As illustrated on page 29 Distance to Go or Distance Kun is displayed at the lower left corner of the sereen Press of the om key followed by the 4v keys forces the digital readout to change for preset purpose The value to be preset is displayed at the right of the symbol indication If non zero mileage is preset it is regarded as distanco to go the mileage is counted down in accordance with the ship s movement It should be noted that the mileage readout decreases so long as the boat moves regardless of the ship s heading direction On the other hand if the mileage is cleared to zero it functions as the distance run meter the mileage is counted up in accordance with ship s movement NOTE For d
7. x E O0S L ye ER a SONNEN C bd sr UM ME Eod Zu es 3 Ors eite re No ons NUM Eds Y co dup dae R L i 3 Pa am 44 9 LT HA dE8 O SENS bea SE 4 Y 3960520 lt pu S AS AZ a e L009dZ0 NIA d NANI A vo L III 3 indul deno T pa fie 01 toe wot T PEN S Ed A rt e em d AA T sor vw o a pisu I t NUT Aat des tova SLUT bal Wh EUN Qon E pa H v F T 24 aps doir Z C4 9009 3H 16 Te ae fasten Lam AS DENEN al Pr roe foi and ati rows Al E p a ey VES AA EN O T to I EX Len 5 R 4 NA ITE 084 Z D Viu 11093 anr du i zst no El 096 nee ZP wes nee toed e meo m0 k TT EX Sn LT L T anan ads ver i N di d i rri a ay o us fia i 1 T ot i Sd MSS 9 ES Ed a le i 1133C900Xl nn pe f A A T ma T 109 51 tOiz ecrsz CH nid bins 1 1040 T a mr meron 0 d zt E sl 92 ew i p ies LI i seo M ball P a tupea ZZ CIC TLT n qa X c ue eem E Mn is x 3 corey vua 1 y E s 4 1 I k ht ppg LU wew D e sat AUH lt Ea E EIN Fn X Tn E j Kai de na Abonos HT K ZfedW pic 015 2 y Pn a uda A A ass ma o tt 401 051 ya 7000 2 KO INKAR wAM Lel ey na C ess ES ad oe _ _ _ _ __ a gt ami ime 3 f Yad nst pr 3 marcos cov 3077 i x coto A o rd P s e th d ithe PES e dad Dm un oc mi er n
8. 9 9 9 9 9 9 98 9 5906 6606 5 9952839 299 98 Automatic Bottom Tracking seres ods We weds wae AONO Y OR ee Distance to go Preset Distance Run Clear A A A 9994 9 era 9 e 4 Alarm 9 amp E E 9 5 9 8 4 9 9 9 9 2943 225 52809 6 929 9 98 Temperature Unit Selection Ship s Position Indication aaa s bo 9 8 SE 9 amp 47 K eee te spe R aE S SE S E E E E E E e E Ship s Speed Unit Selection 05 500 406005 0058500 0 0098046000 0005045090145060 Transmission Rate Selection 9 bo 94 amp b 9 9 R amp 9 95 5 t 9 O 6 t 9 9 9 b 9 c 7 Color Set Selection for Day and Nighttime Operations ett n INDICATORS 6641500064 600 6000540 0003510 350005b0p 0404 008050 000 9000 4 4 Echo Presentation Modes 909 Ge ASS eee IA A A RR A H Graphic Data Logging Mode han mE SE S S 00006050064 206950091 0 4 0n060000400009400 Utilizing the Water Temperature Indication 113 o e et A A es s V1 6 to 13 22 29 LD OO 1 C _ 11 11 11 12 12 13 13 to 14 15 15 16 17 28 20 20 to 22 22 22 23 23 24 26 26 2b 20 28 to 29 30 ol 31 INTERPRETING THE DISPLAY 4 4 99 REEL I RR OO a ce dc Detecting Area ESCASA Zero Line EA cias ee cese a Sea Rog RA a Fish School Echoes bad IN A EA Bottom Echo bea RON ACA Ke RA wa we EAS i340 4 4 3 9 J ID MAINTENAN
9. Speed Distance to Go Distance Run Water Temperature See P 26 See P 23 See P 26 Optional sensor device is required Fig 27 Echo Presentation Mode Picture Graphic Data Logging Mode GR In this mode water temperature ship s speed and water depth are plotted in BLUE YELLOW and REDDISH BROWN colors respectively Water temperture and ship s speed information come from the sensor device which is optionally available and the water depth information is fed from the transceiver which is used to plot on the unseen picture If the picture is being plotted in the LH mode the low frequency signal serves to measure the water depth Color Bar See P 28 PSA Ship s Position See P 26 in Longitude Latitude Item Indicators Picture Recurd Recall Status See P 23 pL cpu Oe Noise Limiter Status See P 23 Pieuture Page and Presentation Mode See a Picture Advance Speed See P 22 P 18 Basic Range See P 20 Peel Range See P 20 MEM FA NL DGA e Maye O Minute Marker See P 29 E E 34 4Q 9 N 135 18 96E Graph of Water Temperature BLUE Graph of Ship s Speed YELLOW Graph of Water Depth REDDISH BROWN 16 6KTS 15 1 NM 19 TE Water Depth Depth Unit ze Temperature Seale See P 25 L J ep Manta Depth Plotting Color REDDISH BROWN See P 43 Temperatur
10. Yellow Tail mid pss Bluerin Tuna mig Py EE LE Albacore aid Sword tub mid a Big uyuid Puna mid l ditripec o Mariin Sea ream bottom Saury Pike surfuce CS Skipjack surface ka Yellowfin Tuna mid gt EJ dopd343 AENA 0 5 10 15 t 9c i x2 dT d x x i E most inhabltublu temperature T f aa ipiiabirtablo Lemperalavo Data by Prot Uda ot tokyo University of Fisheries SA V lema Pnhabttabte temperature Fig 29 Optinum Water Temperature Spectra of Important Fish Species PPP NOTE 1 For water temperature indication an optional sensor device is required 2 Tne temperature indicated is measured by the sensor installed on the ship s hull not the temperature at midwater or at the seabed INTERPRETING THE DISPLAY As mentioned before both fish echoes and bottom contour echoes are composed of a series of vertical scan lines moving right to left across the screen It is possible for the same object to be recorded on the display in a variety of shapes depending on the distance to the object the angle at which the fish is struck by the transmitted pulse echo strength ete DETECTING AREA The detecting area varies depending on the main beamwidth of the transducer as shown below Objects out of the main beam but close to the beam will be presented less densely smaller in size and at a lower intensity With the FCV 662 the operator has the ch
11. center consoles The display unit must be mounted inside an enclosed cabinet completely shielded from salt water spray and from fresh water spray if the boat is usually hosed down after a day s outing Most small center console boats are equipped with such an enelosed cabinet behind the wheel and most have clear doors so that equipment may be seen behind them 3 Even though the picture is quite legible even in direct sunlight it is recommended to keep the display unit out of direct sunlight or at least shaded because of heat that can build up inside the cabinet 4 Consideration should be made to provide space for access to the mounting hardware on the side and connectors behind the display unit Also allow at least E a foot or so of service loop in Weight 4 kg the cables to allow the unit to be pulled forward for servicing or internal adjustment 5 The display unit can be mounted on either a table top bulkhead or overhead Make sure that the sclected location is strong enough to support the unit under the conditions of continued vibration or shock which will be normally encountered on the boat If necessary appropriate reinforcement measures should be taken in the mounting area 6 The display unit should be mounted apart from equipment s emitting heat Also do not put thing s on the top of the unit Mounting the Display Unit i Mark the serew locations by using the bracket as a template 11 2 Drill four pi
12. high frequency transcelver pe rc x NEEDS SN MINE IESU LM Normal LOW Normal CHE LB Normal LOW Bottom Loek LOW Normal CHIGID Bottom Loek UIGIED Normal LOW Normal IGH Graphie Data Logging Water Dopth Ship s Speed Water Temperature For display of ship s speed and water tempera ture an optional sensor device is required Controls of the picture such as the basic range or range phasing are given to pictures A and B commonly from the front panel An exception to this rule is the picture advance speed which can be controlled independently for both pictures As you can see your unit is quite sophisticated But don t worry Operation is quite easy pressing of each touchpad is acknowledged by a beep sound and keying sequence is smartly organized and acknowledged by alphanumeric symbolic indicators on the screen 14 EM 2 Now you can select any item under the function Press the AV keys until your intended item indicator appears on the upper part of the sercene See page 30 For example if you are presently using Basic Range 5 and want to change it to 3 press the Y key until 3 is displayed to the right of the MN symbol at the top of the sereen p M EE i Fe Range phasina Mode men ono lis F UNCTION SELECT KEY it Rate Len 1 GO E Data i Noise Limiter Key Or a Cee c T Unit Luce Select Key zo 2 G GeO
13. ste Bhip s pu Unit Select Key Presot Koy Ter rea Ye PA desse 5 i Picture Advance Rate T wen va ors 29 ior Distance to go O a raped A N N n r K dw tak l suse p au vidus Key Layout on Panel l j aa Secondary Functions M Jtem Indicators Mig 13 Secondary Functions of Keys When the SECONDARY function is selected as illustrated above keying Operation is quite simple Every pressing of a Function key moves tho underline L between the item names or changes the numeral which is displayed beside the key symbol in Fig 13 the Range Phasing for example is presently in the MANual mode since the underline L is appearing under the MAN If you press the Gn switch this underline moves under the AUT an the AUYomatic Range Phasing mode is selected Likewise the Transmission Rate set to 10 at present changes with every pressing of the on key vor operator convenience the SECONDARY function key symbols are displayed on the sereen with a circle as opposed to the square figures of the PRIMARY functions Do not forget to select the SECONDARY function beforehand when it is instructed to press the round function key in the following pages applied the primary and secondary Power ON OFF and Brilliance Control ES E A a A CE I lt I ngn My 2ND otf Power is supplied to the unit by turning the lt lt knob clockwise until a click is nan Doj off heard
14. termed transition of underwater conditions etc Normal Picture Range Selection The Basic Range and 1 Range Phasing functions used together give the operator the means to select the depth he can observe directly under the boat The Basic Range can be thought of as providing a window into the water column The start of this window is determined by the setting of the Phased Range selection For example if you select Basic Range 5 you will have a 250 foot deep viewing area which may be moved anywhere in the water column by using the Range Phasing function To continue our example if the Phased Range is set to 5U feet the top of the range window would be at 50 feet and the bottom of the range window would be at 250 plus 50 feet or 300 feet 13 The window can be phased up and down by using the Range Phasing function y Norma Picture Range 1 The widtn of the window can be selected by the Basic Range function Fig 16 Normal Picture Range Selection A a A A aera a Ka Basie kange Selection El A DA Ed UNE E d Press of tho T key followed by the A Y keys selects the basic range AA e oo Setting Mcters pM 6 Ti 8 1607 AU Fae Feet 500 750 1090 l athoms RO 120 160 P B 120 1301 250 The basic range is indicated to the right of the If symbol at the top of the SOR ike Range Phasing I iw Hange nasmg i B4 T
15. that the strongest color i e reddish brown can be recognized by observiny the color pattern Focus Adjust the FOCUS potentiometer for the sharpest picture Vertical Position Turn the ees Brilliance control fully CW and adjust the H POS potentiometer so that the upper and lower blank areas become equal in width Color Presentation Turn the K Rrilljanee control fully CW med adjust the BLU and RED potentiometers so that the color pattern is presented with the proper eight colors and the characters white ADJUSTMENT OF TVG SBA SAAN LR LAAN AINA ANAND NL LSSI DNI ALL cl NAP INISI LOD A L l What is PYG Che TYG potentiometer is located on the MAIN bourd and is set to the position TYG is an abbreviation for Time 2 at factory Turning it clockwise will Varied Gain The funetion of the expand the effective range of the TVG TVG is to compensate for the effect up to 300m for both 50 and 200kHz If or Crop mention aor 00 sound hin it supresses tho sensitivity of the PECOSSAEY s readjust it so that the reeciver just alter transmission nnd surfuce noise slightly appears on the gradually inereases with timo Screen with the GAIN set to the position reducing surface noise and providing you normally use n cleat nnd uniform display PLN SLL SAL ALAS AN INA RIN NANA NP AL NL OA NANA NAN NAA SLOP SOAS I AL HOLD N HOLD SIZE A N SIZE X de py SCREEN a NUN CMS re ra IES FOCUS te Top deng Do not change th
16. the x key to nnd activate the alarm Next ensure that both Upper and Lower Alarm Zone indicator bars are off the screen by first pressing the YA Upper Alarm Zone key continuously until the bar disappears from the sereen and then pressing the yg V Lower Alarm Zone key until the bar also disappears Then press the V y Upper Alarm Zone key until the indicator bar moves down to the 60 foot mark Now press the gy A Lower Alarm Zone key until the indicator bar coming from the bottom passes through the one extending from the top downwards and then release the key when the indicator bar reaches the 30 foot mark Any fish appearing in the zone will cause the alarm to sound i Alarm Zono lFiy 25 Surface Midwater Fish Watch en Ke mre espa K a e Am T K n nnm araa a ea rer rene ne E aR R rae 7 in Le X e a ne e m 3 Temperature Unit Selection mE Press of the e key changes the unit of the water temperature indication between Centigrade and Fahrenheit NOT For water temperature indication an optional sensor device is required Ship s Speed Unit Selection Gro st Press of the e key changes the unit of the ship s speed indication betweon Knots Nautical Miles Per Hour and Statute Miles Per llour NOTE 1 l or ship s speed indication an optional sensor device is required 2 Unit of Distance to Go or Distance Run is not changed it is always in N
17. to a maximum of 1000 Feet and Automatic Bottom Tracking mode permits unattended range phasing operation Variable Range Marker measures exact target depth Either a Bottom Alarm or a Fish Alarm may be activated The operator is alerted when bottom echoes or fish echoes between the transducer and the bottom enter into the operator preset alarm zone Three pulselengths from 0 2 to 1 2 msec for excellent short range and deep range performance Powerful Noise Limiter and Variable Transmission Rate ensure interference free operation on congested fishing grounds Universal 11 40V DC power supply drawing less than 25W of power Optional sensor device is required ii TABLE OF CONTENTS SPECIFICATIONS LLE E EE EE EE DE S E S 4040240p 0601 00 1t150 006009 000090000894 01 u4 PRINCIPLE OF OPERATION R R K nn INSTALLATION 9 8 3959 86 8 93999 9 2422242 420 69 999298922299 5 5 05 AR O TRANSDUCER INSTALLATION n Transom Mount O NO i Inside Hull Mount A eos CEE Bo 9 d amp 9 9 B 8 4 1 Th rough Hull Mount B4 9 9 amp amp 6 b 6 3 t b b 9 5 amp 9 9 sn 6 5 5 b a Transducer Preparation and Painting s 9 9 9 K 9 amp 8 c 8 4 amp K a DISPLAY UNIT INSTALLATION v eeeneeoetreheewr eevee oeeoaeserseeroapvpzeoes Mounting Location ettet s Mounting The Display Unit a qu L s K 66 a 0 6 e
18. varies from the min to max value us the ship s speed changes from 2 to 20 knots Below 2 knots the min repetition rate is maintained 3 When the Lii presentation mode is selected the pulse repetition rate is reduced to half of the above value 10 Transmission Frequency 50ktIz and 200kilz 11 Output Power 150W rms 12 Color Presentation Echoes Levol Nighttime Yellow Green Mode O O Daytime Yellow Green Mode TN gt Blue_ 13 Alarm Either one of Bottom Alarm or Fish Alarm can be selected by a touchpad key on the front panel i4 Power Supply 11 40 VDC universal less than 25W COMPLETE SET l 1 920 5P WB 000 015 087 incl Transom Mount Bracket 520 5PSB 000 015 088 EX t 520 8MSB 000 015 089 3 Display Unit I CV 882 i 3 installation 000 024 784 Materials FP02 00500 000 024 928 5 Spare Parts SPO02 02100 G00 024 T730 1 set for transom mount xx plastic for thru hull mount metalic for thru hull mount INSTALLATION MATERIALS 000 109 515 ACCESSORIES No Name HO AAN de No QU l Brauket o __ FPO2 00410 1 001 351 710 1 J g i Viewing Hood FPU2 006010 O 001 355 920 I 2 3 Knob Bolt KG B2 M8i20 000 800 418 2 3 4 Knob Washer 05 012 0125 591 201 291 2 Rubber Washer 02 752 1302 100 022 531 2 EN M g Screw 6x20 SUS304 000 800 414 4 9 2j ES E 15 5l
19. 02 5 2017 00 Panel Key Check i y J MEM VRM C BRIGHT NES ox B Reception of position data is checked MARKER ix 00 Ship s speed is indicated DEGREE e cue 08 f Water temperature is indicated KPPATE A OK dos Main memory is chocked OK Picture memory is cheeked Jumper Block PULSE NMEA SRAM DRAM Status See P 43 When diagnosed as abnormal nothing is indicated NMEA check result is given with the special arrange i ment mentioned on page 42 SPEED TEMP Unless the sensor device is connected SPEED indication should be 00 and TEMP should be 08 or so The TEMP indieation may slightly differ from unit to unit UNIT ox Transmission pulselength is checked Ma a 6 tam Fig 37 Deli eheck Screen L As soon as DRAM check starts entire area of the screen is painted in red and then in white This process is repeated four times When DRAM has been checked up the check result appears on the screen 39 A e SC 7 Perform the self eheck Check results are displayed No on the sereen Dan A APA Check 5V 12V and 50V at E Yes plug P5 with a meter T The ML Ms A The results of panel No voltages Only 5V switch check are OK out defective Replace ulg Replace Key board assy Yes uPC7805H Yes i l Replace MAIN rd RAM cheek and color patte
20. 9 6 42 829589 4 9 9 2 4 9 9 9 8 amp INSTALLATION OF OPTIONAL DEVICES omoroooooroo os Mounting Transom Type Transducer using Kick up Bracket COPUe 90 pia eee LA a ad Mounting Transom Type Sensor KRE EN RIF ud Hooking up Ship s Position Data from Position Fixing Equipment LAN E EE 6 A ee R 66 144 440 0 ee 11 1 E 1 lv see ep eo ee R R eb K 6 eote oe 4 9 E E E E H Surface Noise Aeration A ia E ET eee e P gt E6EOOOREC HS e eD p OOO JT A 66 4 Bee E e 404 1 0 4 u K 8 6 6 A aus 44 amp y 2 au 9 99929985 2992922492285 ee 9838989 tet ease vnr veteg taag ceoeo tr 064 4 ea CI E E es 32 to 34 32 33 33 33 34 39 39 39 35 39 36 to 4j 43 to 44 44 45 46 to er AP to A vovos 4 ARRE AP 1 AP I AP 2 SPECIFICATIONS 1 Basic Range Setting Meters Feet Fathoms P B Zu 4 P Passi B Braza Unit is selected with an internal jumper block 2 Phased Range M ee Feet Fathoms P B Meters Feet X Vathoms P e La am 1000 A suo 150 83850 20 350 q iras Meters Feet Fathoms on 10 1 25 TN ARA 4 Automatic Bottom Tracking Bottom tracking feature automatically phases the range so that the bottom is always displa
21. CE w 9 4 5 94 99 9 5b 9 9 95 9 9 9 9 9 6 b 6 9 a 4 8 5 909 General EC ACE ORC ara non A ac maar aes xod He Fuse Replacement eeatt 9 9 9 B 9 96 B 9 B5 a 0 K 6 b t 9 583 e Cleaning and Lubrication errr er ee cree ee re ee ee Maintenance of the Transducer ED hie Des E RR bea TROUPES OO CEN GA ea OE I Ba oe eae ee Basie Troubleshooting for tne User er rs ie eee More Extensive Troubleshooting for tne Service Shop Transducer Check ee re TRR NR NR ee ee gt pecd Temperature Sensor Chock escorias aw cid qa Y Yos Serial Communication Interfaee Check R RNET E HOW TO CHANGE AND ADJUST INTERNAL SETTINGS CIANGE OE SPECIFICA TIONS esse gaga sss TTE C3 x EXT ADJUSTMENT COR PICTURE Horizontal Position 9 d 9 RR ii erae dna TIT Vertical Synchronization EEG ARV AAA Horizontal 5 ynebronization ETETE TE a llorizontal Size c ARRE ERL TTT Ree Cee eee Vertical Size eee e ee Te Cee T a 24 Contrast Tro rep rr l oeus 4 6 46 9 9 4 4 9 b9 6 t 58 V 9 35 9 9 389 32 K 4 9 4 b 6 4 9 9 9 5 9 b A Vertical PAS oezcoeES SWEAT FEE Dd UE SEE Color Presentation al aE Cb Gabi RT See ave as AN de ADJUSTMENT OGE TVG a A AAA A EXPLODED VIEW AND PARTS LIST Daa NN SCHEMATIC DIAGRAMS Baron rornrrasnarcornsonsrrrrnso APPENDIX o t 0 B d 9 4d 9 4 9 9 B 3 9 8 M 5b
22. Further clockwise rotation adjusts the sereen brillance To extend A pn ew Zero the life of the CRT do not unduly increase the brightness of the screen off s Ifa zero Note that there is a 6 10 sec delay prior to display of the picture while the MEN inn j CRT warms up Every time power is is s 2 Min k functions will default as shown in L_Fi8 12 Default of Primary Functions 16 Figures 14 and 13 respectively To turn off the unit turn the knob fully counterclockwise until a click is heard Picture Page and Presentation Mode Selection A A Yo a8 l A M Press of the B s key instantly projects the pieture A B onto the screen To select the presentation mode first press the or n key even if your intended pieture page is ulready shown on the screen and press of the aw keys directly afterwards changes the presentation mode For example if you want to set the Graphie Data Logging mode on the picture page 5 first press the key and then press the A or y key a few times until the B GH is displayed at the top center of tho sereen See page 30 Item Indicator Presentation Mode Ee Pei Bee AA HU Normal UIGH Frequency M Normal LOW Frequeney SIDE Normal Bottom Lock HIGH Frequency DB Normal Bottom Loek LOW Frequency CEIT Normal LOW Normal GHGH TUR Graphie Data Logging L 1 It is recommended
23. M RR RE RU 7 e RR ADJUSTMENT OF PICTURE CAUTION Uo not change the settings of the centering magnets and the potentiometers on the CRT neek and its p c board respectively No adjustment is normally required in the field However after replacing the TV board with a new one perform the following adjustment for the picture by means of the erosshateh pattern displayed in the self check mode Note Since the position of the CRT is shifted by 90 degrees V and H Indications on the TV board correspond to Horizontal and Vertical respectively Horizontal Position Turn the H POS potentiometer so that the corners of the cross hatch pattern hereafter just called pattern are completely displayed on the screen Vertical Synchronization Adjust the H HOLD coil to the point where the pattern becomes stable in the vertical direction Horizontal Synchronization Perform the same procedure as Vertical Synehronization by turning the V HOLD potentiometer to stabilize the pattern in the horizontal direction Horizontal Size Turn the V SIZE potentiometer so that the pattern reaches to the left and right edges of the screen 43 Vertical Size Turn the H SIZE coil so that the pattern reaches to the upper and lower edges of the screen Contrast Turn the CS Brilliance control fully CW and adjust the SCREEN potentiometer so that the fly back lines colored white just disappear Next turn the control fully CCW and confirm
24. No _OM E2303 0C LFLWIRIWINI OWNER S MANUAL COLOR VIDEO SOUNDER move FOV 662 _ FURUNO ELECTRIC CO LTD NISHINOMIYA JAPAN 8802200KS E PRINTED A WORD TO FURUNO FCV 662 OWNERS Congratulations on your choice of the FURUNO FCV 662 Color Video Sounder We are confident that you will enjoy many years of operation with this fine piece of equipment l or over 30 years Furuno EHEleetrie Company has enjoyed an enviable reputation for quality and reliability throughout the world his dedication to exeellenee is furthered by our extensive global network of agents and donlers he FCV 662 Color Video Sounder is just one of the many Furuno developments in the field of cehosounding The compact lightweight but rugged unit is easy to install and operate and is suitable for both fresh and sult water applications This unit is designed and constructed to give the user many years of trouble free operation However to obtain optimum performance from this unit you should carefully read und follow the recommended procedures for installation operation and maintonanee No machine oan perform to the utmost of its ability unless it is installed and maintained properly We would appreciate feedback from you the end user about whether we are achieving our purposes Thank you for considering and purchasing Furuno equipment FEATURES The FCV 662 is a dual frequency color sounder which has a large variety of funet
25. Range of 3 60 foot window with a Phased Range setting of 100 leet Here you would bring up the gain until the bottom is shown in the highest intensity level BRIGHT and then increase the gain a bit further until excessive noise appears on the Screen Again you would back off the gain until tne noise just disappears In both of these cases you are setting up the maximum level of usable gain assuring you of the greatest possibility for seeing fish 3 Picture Advance Speed Selection A Y _ _ Because the picture is built up one scan line at a time from right to left across the screen the amount of history displayed on the screen is directly related to the picture advance speed At the fastest advance speed 4 each transmission results in one scan line being produced on the sereen 20 With the slowest advance speed i you will only see one sean line produced lor every 6 transmissions This will result in a longer amount of history being shown on the screen Press of the 4y keys determines the speed of picture advance from right to lett across the screen The fractions in the table below correspond to how many transmissions are necessary to construct one scan line For example if the Picture Advance Speed is set to 4 fastest with a Basie Range setting of 4 and a Phased Range setting of 50 feet an echo will remain on the screen for approximately 45 seconds As another example using the same Basic and Phased
26. Range settings above if the Picture Advance Speed is set to 1 slowest an echo will remain on the screen for slightly over 5 minutes If the advance speed is set to 0 the display will remain frozen indefinitely ee oo Sean Line Transmissions 1 6 i item Indicator TAT When selecting an advance speed keep in mind the folowing guidelines 1 At faster advancement specds 3 or more care should be taken not to misjudge the size of the fish school a fast advance speed will expand the size of the school horizontally across the sereen Fig l8a 2 A slower advance speed 2 or less however will contract the size of the school across the screen Figure 18b Fig 18 Picture Advance Rate Comparison USEFUL FUNCTIONS Picture Record Recall imMeEM All Y L In addition to pietures A and B another two picture record pages a and b are provided for advanced operation Press of the key followed by tho Y key causes the picture to stop advancing and records the picture To return to the normal picture advance press any key The recorded picture may be recalled onto the screen at any time by pressing the men and A keys in order The rocalled picture bears MEM indication at the top left corner Upon pressing any key the presentation will return to the original state It should be noted that when picture A B js displayed the above mentioned operation re
27. ation below the horizontal scale of the picture is not influenced by the change of ship s Speed Ship s Speed Normal Mode Dependent Mode __ A we oe 1 1t r l t i 1 L U 1 1 1 1 1 1 1 1 n SHIP Si FULL HALF BED 9 ai NOTE 1 For the Ship s Speed Dependent mode an optional sensor device is required 2 Even when the boat has stopped completely the picture advances slowly If not one ean not interpret underwater conditions Color Set Selection for Day and Nighttime Operations DAY HUE On this color sounder targets are painted in 7 colors background in DEEP BLUL in accordance with the echo strength lowever when the equipment is used in a bright environinent select the 6 color sot 5 colors on BLUE background because the bright background is more easy to use T Reale me LT roe 3 Brown ls a aie Light Blue ma Red Yellow Green A o 404108 28 b an crr ae rae INDICATORS Echo Presentation Mode O th LB HB LH The following shows al the various indicators that show up on the eeno presentation mode pictures As most of the indicators have been explained in conncetion with keying operations deseription is given to only a few items X o ium e cani re Color Bar See P 28 gives r
28. autical Miles Ship s Position Indication Nav S Press of the key turns on and off the ship s position indication NOTE For ships position indication a position fixing device must be connected Transmission Rate Selection ken A i DS Press of the AW keys changes the transmission rate in 11 steps t c Item Indicator TX Rate For detection of small objects in shallow water a higher transmission rate is preferable as mentioned on page 17 Also when interference noise froin another boat appears on the screen persistently change the transmission rate with the mo Noise Limiter turned on See page 22 Ship s Speed Dependen Mode S As you may be aware ol an echo is plotted wider horizontally as the ship s speed decreases As an extreme case imagine that your boat is stationary and a small target exists just beneath the boat Though the actual target is small in sizo it will appear very long horizontally Contrary to this is the case where the ship s speed is very fast a target tends to appear narrow because the boat passes over the target in a short time Thus you must always bear in mind that the picture expands horizontally as the ship s speed decrouses and shrinks as the boat speeds up The solution for this inconvenience ts the S Ship s Speed Dependent mode where the transmission rate and as a result the picture advance rate change automatically in proportion to the ship s speed As shown in the illustr
29. clean and dry at all times Dust or loose dirt should be wiped off with a soft dry cloth To remove heavy dirt use mild delerpent and water on a cotton tipped swab or soft cloth CAUTION Never apply plastic solvent such as thinner or acetone for cleaning and lubrication It may dissolve paint coating markinys on the front panel MAINTENANCE OF THE TRANSDUCER Underwater growth on the transducer face will result in a gradual decrease in the sensitivity Check the transducer face each time the boat is drydocked If any barnacles or seaweed growtn is found remove them very carefully with a piece of wood or sandpaper taking care not to damage the transducer face TROUBLESHOOTING In this section troubleshooting is arranged in two parts one for the user and the other for the service shop Basic troubleshooting for user includes simple tests of the equipment which the user ean handle such as operation installation and visual checks The More extensive troubleshooting for the service shop is considerably more complicated and must be done by a qualified serviceman If something appears wrong with your unit check the equipment referring to the Basic trounlesnooting tor user In case the trouble isn t found after performing these checks and the unit still appears faulty call your electronics technician for service BASIC TROUBLESHOOTING FOR USER Note that the number listed on each possible cause corresponds to that of the i
30. cordsfrecalls the picture to from picture page a b Crossed record reeall is not possible page a can not be recalled when picture 8 is displayed CRT pd Recall L7 7 P re Record Fig 19 Picture Reeord Recall Target Depth Measurement by VRM A v After depressing the Y key press the AY keys and the green Variable Range Marker line whieh runs horizontaliy across the sereen moves up and down The depth of tho marker lino is dipitally indicated above the lino See page 29 Hy moving the VRM line onto a target echo you can read out its exact depth EE gt Noise Limiter 9 N1 When noise interference from other echo sounders operating nearby or other types of electrical interference exist you may use the Moise Limiter to eliminate or reduce the interference See Figure 20 If the Noise Limiter is left on when no interference exists weaker echoes may be missed or eliminated An NL symbol appears at the center top of the sereen to alert the operator that the Noise Limiter is ON 22 Interference er Interference from nearby lt lt from other Hi echo sounder electric devices H Ben Fig 20 Types of Interference MAN fee 7 Automatic Bottom Tracking vic AUT V Selection of the AUTomatic SHTET mode disables the funetion of the d key nud instead the Basic Range window is automatically shifted up and down in accordance with the depth of seabed contour
31. d gt C porte Zl 007090007 c v ps M ee um som coc o DIS N x TRO rca sh 5 L i E E t gt 3 wo x L T S LS Zn 7 m ne E A n me 3 Ke TONES gt S E E EE PRSE VM ERES M OM o ET 3 e XE EI j CENSO Ue AR gt H z Y a ee uen PE FEE tJ sel pd 09 Ad 37 m gt E 2 Y 3 SEA edd e e i oe odds at Au a 6 2 62H 2 ES ER bc Pes oh 1OS EED de 2i lt p k pd Ri A2 i ee um zY ip puer M 1 Wu T SiN zl ccs Ed 27 9 onis o El gt id 25 E TOM L BEZES c T 9 pi Jm C gesto i SC y E KZ IN T od LQ c LC SEN T L gt iS z Ze een P DES AR 2 2 S 5 24 Pom coc WIR A ee SSS Ext a red c io 9 ig E id D EE e ATA La 40 3 qi l jp ASBIS A a ICD DINERS 5 zo deu DAL Niye rs A 2 ES Ll psa c N 2 332 eve0S20 Tarw C A ti keen N J aE T Z9 80S20 ES ot 09 O nc Saw TT e j gt de 0 oe RENS Lu 8 YN gt lt f F nt i as sh To zi SI Z N 3 mn i x s TT Son V HRO JU SUD ji SEZ2 SZ Sec dd cn 525 y Z pki gt v 218 00 crs em 4 uu Pu 23 Eu e 2 ere a Kee e eet P bes E ist y y AS O Hi po ESS S quu E Odi 3 E By aL 05 i a8 S DIS HA is m s e t MAN fy z D gt l lt po A HE Spo SS 1 E oS A Idi o4 9 0 E Yp
32. d at tne right of the port number in Fig E lt 5 Press ENT key Other Make Position Fixing E The LC 90 Conneetion Kit is also optionally required But procure a plug the accompany position fixing equipment locally The wiring is similar to above diagram connect the yellow and green leads to the SIGNAL 4 RETURN lines respectively And ground the shield of the cable with CHASSIS of the equipment AK ois vi 7 IN OTE RR RR An input signal exceeding 8V across the SIGNAL and RETURN lines ma damage the input circuit of the video sounder Modification to the inp circuit is reuired locally remove the 62 ohm carbon resistor R34 as show below By this change its input impedance changes from 160 ohms to 4 ohms approximately _ _ _ __ __ __ __ MAIN Board Me DEN L1 AP 3
33. e 3 und ac MEN lt T S Dres AA Az m me a S S 2 c vez 7 AA TEA zx i It A 4 amp 9 o e T DRE A NR X 4 uo acs a be Spee ere s Y Cx ES 4 5 2 e K o Per i Gi a poe A EUER K ee PA Y o2 S zo 5 NS LORS mou x HOS r Ka er 3 D t R wi ow x E VE ER uu c0 Ona z d E lt eoo C i R s a m err c mre oL o x am mens e 37S ROA aye Sas DoD 2 cnt A CM e v T x P e z fc F AG Y i N t as Hd 8 18 uc Es A d Em o roi 5 t imo 7 ez c eau E i ew x FF NE gt DE 15 ovis 4 te 1 aa gt k c tg 1 fu S nO x at ti n g e Eet S iz i Y i c de Ss 3 O8 WA SRLS x TT A 5 ds e ate sik z Lr v S32 me aS u EC E z U I ES gt Ea teil Me 895 Cnet ME zx ZSEE 22 oe 322 wow ro tem ia a oa id y es m S b LOC gb Matt GL ROME Mo 5 Zax ee gt 2 ae A La us N t z u ae 09 4 EXA amp gt is A m2 S 3 5 ae 3 fore Fae t o e E m Sd E o i 2 E S Ti sh ph za 1o Goa FS 7 a A E a E m a m o M gt y 2 wit we 9 u maa a A e Mn E Se ano Naeem ZC eS LLL 9 uc me EST Ig ib Dale SS di Aree iiiv Ene zs NIG TOU T MM a PM M H e MM E Se ot Mtm ar ri t i sm i rt i i Eae a e ta an atm a i7 4 d Y
34. e o pot settings on i the pegboard ge E Do not turn the qi UB U centering magnels ne 252 CAUTION ES BLU REL H bos b NEVER TURN VADs POT EXCESSIVE Vee MAY CAUSE DAMAGE OF ALL IC S Fig 42 Position of Potentiometers 44 4HQNNOS OACIA 90 109 299 193 31111 A A AA A A i i l git 008 0060 OCNBW B OM 108 aou PRIV 163 107 169 s0i0 216 lt 0 1BUSTM OUTI GZIP CiL TSE 198 G1ENG 26dz jexosigdj 221V IEC pze 00i TOL esses 19US A 3eqanu IZIV Ro Sl6 900 ESKE OTS kiu 515 009 ESdS OZE 30 51 902 egudi 0z6 Jaonpsuta j GLY 359 551 000 Es tia LS biz 6e1 000 ES310 LS g4c 501 000 G idiq Ls 208U82S aunipsaduaLspaeds YYY 035 10 000 ez 2040 J4SSY PARO UoTOAUMOD 6 07 ETEV 215 801 090 ez00Stzl Ayquassy agen Jamod ILY i6 801 000 dz STOOSZ 10 99uu02 Ill eig 60T 900 dr LIOOSZE iojoauuocOo QIIV 566 801 000 a9 8100S22 amaun j 60TV R56 801 000 d 9100SZ 101902uuop ROLF p26 POT 000 BOASURVOTY A quessy JODIO JA09 LOTY URL 66 100 1000470 A quassy 010600 AN 901 Y Atquiass y 7910 WU 0104 GOL Y L89 ROT 000 8188530 Aicwass y parog Kail FOTVY cpb 01 000 ASI d qory gotv tZ PEU UU TIOT 8SU cC 3einal 701 26c Sti 000 0r900 20d 3 Kqquessv pooH Preis T0IV or 2 ad T IGT ON Pop he ve A 3 Wen wu 182 CRT AIASOSPOS en E E J6 US j am
35. e Plotting Color BLUE Speed Scale See P 26 Speed Plotting Color YELLOW E Ship s Speed Distance to Go Distance Run Water Temperature See P 26 See P 23 See P 26 Optional sensor device is required Position fixing device snouid be connected Pig 28 Data Logging Mode Picture l 30 Utilizing Water Temperature Indication All fish species have their respective habitable water temperature ranges as shown below By reading the water temperature indication you can know if the water suits the fish you are aiming for If the temperature is far out of the range you can hardly expect a good catch It is also well known that current rips caused along sea streams currents or at their junction often pather dense fish schools This rip can be found by watching for ripples or coloration of sea surface or by observing DSL plankton layer on the echo display However it is more reliable and casier to detect it by sudden changes of water temperature on the graphic data logging mode P ete e ne n e ra a M lt uF 10 15 20 25 49 9c ed ue dg xs Cod botLom Alaska Pollack botloa King Crau Chol law lampr Lin uurface f A Sa L UW face i G d Aika Mackurol bottom i ae De T Pacific mid Name habitat i o gt QODurdinua surtacoi Squid surface 4 Pacific Mackerel surface
36. ee Bracket Sensor Bracket Option 0P02 30 HULL BOTTOM MOUNT Sensor Option ST VIPSB or ST 01MSB PRINCIPLE OF OPERATION The FCV 662 Color Video Sounder determines the distance between its transducer and underwater objects such us fish lake bottom or seabed and displays the results on a 6 color sereen It does this by utilizing the fact that an ultrasonic wave transmitted through water travels at a nearly constant speed of 4800 feet 1500m per second When a sound wave strikes an underwater object such as fish or sea bottom part of the sound wave is reflected back toward the source Thus by ealeulating the time difference between the transmission of a sound wave and the reception of the reflected sound wave the depth to the object can be determined In a sense an echo sounder can be thought of as being an extremely sophisticated and quick timer since it is capable of resolving time differences shorter than one thousandth of a second The entire process begins in the display unit Transmitter power is sent to the transducer as a short pulse of electrical energy The electrical signal produced by the transmitter is converted into an ultrasonic signal by the transducer and transmitted into the water Any reflected signals from intervening objects such as a fish school are reeeived by the transducer and converted back into an electrical signal It is then amplified in the amplifier section and finall
37. eference of color gradation reddish to bluish color tor strongest to weakest echo return Ship s Position See P 26 Position fixing device in Longitude Latitude should be connected item Indicators SN ni E Y Picture Record Recall Status See P 22 aad R Alarm Status See P 24 a Noise Limiter Status See P 22 Picuture Pape and Presentation Modo See P 18 EE Picture Advance Speed Soo p 20 UN TT Basie Range See P 19 a rn e Phased Range See P 19 Minute Marker YELLOW One completa minute ig shown as a 30 sec horizontal bar und 30 sec blank space By observing the number of minute marks on the screen you can determine the amount of history being displayed on the screen Variable Range Marker GREEN See P 22 Fixed Range Scale changes depending on the presentation mode N Basic Range and y Phased Range settings S gar ie Water Depths Depth Unit See P 43 This indicator shows the depth from the transducer to the bottom The unit is capable of reading depths beginning from lm below the transducer his minimum depth limitation is necessary to prevent locking onto surtace turbulence rather than the bottom In order to obtain depth readout the bottom must be displayed on the screen Note that the depth readout is displayed even when the picture advance rate is set to 0 ts
38. example if ihe bottom depth is 300 feet the diameter of tne coverage circle on the bottom would be only 52 feet 32 ZERO LINE The zero line sometimes referred to as the transmission line represents the transducer s position and moves off the sereen when a deep phased range is used FISH SCHOOL ECHOES Fish sehool eohoes will generally be plotted between the ero line and the bottom Usually the fish school iish echo is weaker than the bottom echo because the reflection surface and the reflection property are much smaller than compared to the bottom The size of the fish school can be ascertained frota the density of the display BOTTOM ECIIO Echoes from the bottom are normally the stronpest and are displayed in the reddish brown color but the color and width will vary with bottom composition water depth frequency sensitivity ete In a comparatively shallow depth a high gain setting and a strong bottom echo will cause a second or sometimes a third or a fourth echo to be displayod at the same interval betwcen them below the first echo trace This is because the echo travels between the bottom and the surface twice or more in Shallow depths The color of the bottom echo can be used to help determine the density ot the bottom material soft or hard The harder the bottom the wider the trace If the gain is set to show only a single bottom echo on mud rocky bottom will show a second or third bottom return T
39. from the hull bottom as shown j Fig 3 b page 7 it is subject to damage or loss due to floating objects such as a log To minimize such an accident it is recommended to install the transducer using the optional Kiek up Bracket as shown below When an impact by the flouting object or extraordinary water pressure is added the transducer will be kicked up and damage or loss will be avoided It is also a good idea to flip the transducer up when the boat is hauled out of water put on a trailer L LT tu TN n OO NN ENO 96 3 78 pe 44 1 73 Ir 33 1 30 2 60 L TS UNIT mtm Cred dg Mounting Tansom Type Sensor ST 01PTB 1 When the transom type transducer 520 5PWB is mounted extruded fro the hull bottom as shown in Fig 3 b page 7 or is mounted with th kick up bracket the sensor can be directly attached to it as show below without using any installation material AP 1 After having connected the sounder to the LC 90 change the output form the LC 90 1 Press RT and 3 keys in order to select A Funetion 3 and the formats essigned to Port 1 Ay E T j and Port 2 wil be presented as shown right i TT Firth sles ERAS WI 2 Press Wi key until the cursor moves down to gi 107 the intended line s f LI Vl az P 2 180 3 Press CLR key zt 4 Press kev several times until 183 is displaye
40. hange the Basic Range to 8 Now the inerements of change for the Phased Range keys are 250 feet and you can got back to zero quickly Return the Basic Range back to what you want after this NOTE For the manual range phasing mentioned above the manual shift mode must be preselected See page 23 Gain Control lt a The Gain control adjusts the sensitivity of the receiver Normally the gain is set to the point just below where excessive noise appears on the screen As a general rule of thumb use a higher pain setting for greater depths and a lower setting for shallower waters For example if you are looking tor fish between the surface and the bottom in a range of perhaps 20 to 50 feet you may not be concerned at all with seeing the bottom You might use a Basic Range setting of 3 60 foot range window with a Phased Range setting of Y You would bring up the gain until excessive noise is shown between the surfuce und bottom and then you would baek off just a Little Now fish will show when they are encountered REDDISH Es Ur NI N ree Nx 8ROWN T x i N ma i SM bii st O FM M put L I AR E N lr 1 sis G Di ee F 1 s 2 DES te AU cel 4 UC Gi K 1 i nc ne i 4 um A EN DEEP Xx BLUE Too High Proper Too Low Fig i7 train Control Adjustment As another example if you are interested in seeing fish close to or on the bottom at 150 feet you might be using a Basic
41. he Basic Range chosen should be set to show the first and second bottom echoes when bottom hardness 1s being determined 33 Phased Small Large senool school Size of fish school Fig 32 Intensity difference in water depth second bottom echo Second bottom eoho a Third l bottom evho 1 Z Fourth bottom echo Rock base Mud amp sand Ute cet p In rough waters the bottom is re corded in a zig zag pattern similar to the teeth of a saw This is caused by the heavy pitching and rolling of the boat causing the sounding direction to fluetuate and the distance to the bottom to vary 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 Similar noise sometimes appears when a water temperature difference thermo cline exists Different species of fish tend to prefer different temperature sones so thermocline information may be useful to help identify target fish 200K lz tends to show shallow thermo clines better than 50Kliz n rough waters the display is oceusionally interrupted due to below the ship air bubbles obstrueting the sound path This also oceurs when the boat makes a quick turn or reverses movemont Loworing tho picture advance speed may reduce the inter rup
42. he capacitor must be rated for the nominal output voitage of the alternator plus a 30 safety factor and capacity should be about 10 000 mierofarads or so The positive lead of the capacitor is connected to the output terminal of the alternator in parallel with the heavy lead going to the battery bank the negative terminal of the capacitor should go to a mounting bolt used to secure the alternator to its mounting frame lje careful to observe polarity of the capacitor Reverse polarity will destroy the capacitor and could damage the charging system as well Note that do not connect the capacitor to the field terminal of the alternator at the risk of destroying the alternator itself 38 MORE EXTENSIVE TROUBLESHOOTING FOR THE SERVICE SHOP The FCV 662 incorporates diagnostic self check facilities enabling a service technician to find a faulty pe board If no trouble is found thru the Basic troubleshooting for user perform the following self ehecks and voltage waveform checks The self check may be initiated by turning on the POWER switch while pressing any touchpad on the front panel In a few seconds the check results will appear on the sereen PEA AA a DT Hm e ni RLE AF a A N amp R A m A o me uc Pattern mark is given to the item under testing 02 5 2018 00 Key status is read while the mark is given to the KEY indication Press each key and confirm that the number indicated changes from 0 to
43. he range window selected may be phased up and down by pressing the A Y keys directly after the r key The amount of range phasing e g the depth at the upper limit of the window is digitally indicated at the top right corner of the screen with the I symbol Step of range phasing with the a or vw key differs with respect to the basic range settings A K Z ansa mam mm en T Won oe mum ana aai T rn moe m Roc n tm mma PR ona e rm Setting 4 9 6 3 Meters l0 30 86 50 100 Feet 50 1100 250 Fathoms i 10 20 P B 5 20 40 How to move the window quickly between extreme points If you are presently using a small Basic Range Window and a large Phased range setting to set the start of the display window and should you want to change the phasing back to zero then you would find that this can be accomplished by holding down the a key continuously but since the increments of change are small that it would take a long time to get back to zero In this case it is better to change the Basic Range to a higher setting and then hold down the Phased Range key to get back to zero phasing more quickly 1d For example if you are using a Basic Range setting of 2 30 foot range window and a Phased Range setting of 550 feet a single push on the A Phased Range key will eause a change of only 10 feet meaning that you will have to hold down the key for a rather long time before getting to zero Instead c
44. he transdueer 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 2 The transducer must always remain submerged even when the bout is rolling pitehing op up on a plane at high speed For displacement hulls using inside hull and through hull installations a practical choice would be somewhere between 1 3 and 1 2 of the boat s length from the stern Vor planing hulls a practical location is generally rather far astern so that the transducer is always in the water regardless of the planing attitude Ee a n rn et ACCEPTABLE TRANSDUCER LOCATIONS Deep V Planing Mulls Nigh Speed V Planing Hulls 1 2 to 1 3 length of the hull from stern 6 to 12 off the centerline inside the first lifting strakes Within the wetted bottom area Deadrise angle within 15 Figure 2 Acceptable Transducer Locations Transom Mount This type of mounting is very commonly employed usually on relatively small 1 0 or outboard boats Do not attempt this mounting on an inboard boat due to turbulence created by the propeller ahead of the transducer L Attach the transducer to the bracket as shown in Fig 3 To determine a suitable transducer mounting location run the boat at several speed ranges and observe the water flow at the rear and near the transom Suitable location is ut least 50 em 18 away from the eng
45. ine and where the water flow is smooth On a relatively flat hull the transducer is mounted flush with the hull bottom and there are two ehoiees of installation as shown in Pig d Note that the direction of the transducer and its fixing holes on the brackets are different for each mathod Although there is less influence from ie bubbles with method b you must be careful not to damage the transducer when the boat is hauled out of the water put on a trailer On a deep V hull the transducer is mounted in the same manner as method b for the flat hull It should be mounted as near as tne bottom edge of the transom and the transducer face must be paralled with the seabed not with the hull bottom The temperature speed sensor ST G1PTB can be directly attached to the transducer as shown on page AP 1 provided that the transducer is mounted in method b If method a is taken the sensor should be mounted separately Mark the screw locations by holding the transducer in position on the transom Drill four pilot holes for the mounting Screws Mount the transdueer and secure it with four self tapping serews A small amount of sealing compound under the head of each serew will preserve the watertight integrity of the transom Fiat Hull Cu P 66min 402 60 1 U PEL 4 130mm TS 5 12 180mm 7 09 Deep V Hull D M a I P ON MMM
46. ing Just prior to putting your boat into the water the face of the transducer should be throughly wiped with a detergent liquid soap This will lessen the time necessary for the transducer to establish good contact with the water Eliminating this will lengthen the time required for complete saturation and wil reduce the performance of the unit To maintain the sensitivity of thc transducer do not coat the face with heavy pigmented antifouling paints i e cuprous oxide types Use only a light thin coat of a vinyl based antifouling paint like International Paint s JRI LUX No 67 or No 68 10 DISPLAY UNIT INSTALLATION Mounting Location The display unit is carefully constructed to be able to withstand the humidity and corrosive atmosphere common in the marine enviranment but it is not designed to be used outside directly exposed to that environment Salt water spray will most assuredly cause damage to the sensitive components inside Keep these and the following factors in mind when planning the installation of the display unit CAUTION Furuno will assume no responsibility for the damage caused by exposure to either fresh or salt water 1 The display unit consumes very little power so there is no need of forced air ventilation However it is necessary to provide at least some circulation of cooling air by allowing sufficient space around the unit 2 Many owners will undoubtedly use the CV 662 on small boats many with
47. ions all contained in a splash proof rugged plastic case that is compact to fit almost any size boat 1 2 3 4 7 8 10 11 12 Two pages of pictures which are concurrently plotted and selectively projected onto the sercen double the display capability A wide variety of modes incl bottom lock expansion using potent 150W transceivers LOW and HIGH frequencies and praphie data logging are available 8 color presentation including background shows the variations in echo intensity on a 6 diagonal CRT The dynamic range of the strongest to weakest echoes is very wide on the color video sounder as opposed to the paper recording sounder Detailed information on fish density and the nature of the bottom are obtainable For operation in a bright environment a 6 color presentation mode is available Picture Record Recall funetion permits later reference Digital display of navipational data and water temperaturo in addition to water depth ensures finding of best fishing ground and safe navigation Five picture advance speeds for various fishing conditions Ship s speed dependent advunce is also uvallable for presentation with constant horizontal seale regardless of ship s speed kight Basic Ranges from 0 15Ft to 0 10001 t Unit of measurement may be changed from Feet to fathoms Meters or Passi Braza Range phasing at every divisions of the scale allows the start of Basie range to be set from zero
48. istance to go or distance run indication an optional sensor device is required 23 Alarm Lu There are two types of objects which can trigger the alarm the seabed and fish Press of the 5 key selects the trigger source between the two objects and changes the item indication BA Bottom Alarm Item Indieator ITFA Fish Alarm Alarm Trigger Source Fish Echo Seabed Echo When the FA mode is selected the echoes which are plotted below the seabed contour are ignored and only fish echoes can trigger the alarm Contrary to this is the BA mode where only the seabed contour is watehed If you do not need the alarm function or wish to silence the alarm sound press the key until the alarm indicator disappears Alarm Zone Preset Ma AY a Q Press of the J key followed by the ay keys changes the width of the upper alarm zone which is indicated by a white color bar as illustrated below and the y aw keys set the lower alarm zone When both the upper and lower alarm zone bars are extended through one another the crossover section of the bars becomes white and upper and lower portions disappeur as illustrated below This is the Midwater Alarm Zone none os Alarm disabled Ln any ie th aan aa RN a n re RER K lh KE am R a a a rr Sk K e kN A A Rl ne e a a anna a Ka ae er a S T Upper Alarm Zone T ididwator 4 Alarm Zone Lower Alarm Zone Fig 22 Alarm Zones When fish FA or the seabed BA en
49. judge which unit is faulty the video sounder or the position fixing equipment After turning off the display unit remove the plug from the jack J2 on the MAIN pe board and strap two pieces of jumper leads on J2 as shown below Connect the speed temperature sensor to the display unit if removed Now the transmission output port of the built in interface is coupled to the own reception input port for loop back test Conduet the self check see page 39 and be certain that NMEA OK is indicated If so the display unit is OK and a fault wil exist in the position fixing equipment or in the connection cable Mr MM rem am me Ay prm ii ee Seu M 2 a iip S INR pr m e RXDL 4 yen STA dm BIT MM x T P Lo i E Lu ES Fig 40 12 HOW TO CHANGE AND ADJUST INTERNAL SETTINGS CHANGE OF SPECIFICATIONS Six Jumper blocks are provided on the MAIN board to allow custom tailoring of the unit to specific uses such as fishing method fishing ground ete lo change the settings 1 turn off the POWER 2 remove the cover and 3 move the jumper blocks with a needle nose plier as shown below AAA ee ni M 9 re a a ee Re i arum mi le L e s e Ghare rt a PL eee Expansion Marker Presentation 1 OFF 0 ON P2 009 Temp Unit in power on default 1 C 0 F E vs E Not used pa o 0101 1 p5 100 1 Depth Unit PE 29s rae E 105328 o m BG Fig 41 O RU
50. llustration on the next page j Neither echo nor fixed range scale e gt Is the battery dead 8 R Y 9 R K 6 6 4 r R R 4 R eR DP bh 9 b 6 b a BP pe b 1 o ls the fuse blown 9 9 4 3 56 4 V 4 9 9 4 9 9 9 b Wo 95 b b y Db P 9 6 9 9 3 o eee Supply voltage is normal Corrosion SOIT battery LOPD Lacs vo e E Re RO RR EROS l T Boor contael OL DOWO CAO asada Ye E ACE Na L pes No echo but fixed range scale shows S es c e eo co c ceo ee DR 15 the picture adv uneco Paute selio ON TTT oon T Pransducer phig is LOBOS A AA A east aes Glas 4 UMORE a TN a e Nv MM ee e ir mas are o E tese e mos eos she mm mo de e e eee v Roos E Echo uppears DUG MO 96P0 1 Be er ee eee Go eee s the range phasing operativa sese s see s sag aga K eR RRR RRR RRR RR RRR a 5 ae nd T nS ee ee ae m me ra i e Fa Yn te ee emi AR e oe maa e Low sensitivity ii UM 21 pisagestei cua ta MERC LII Is the GAIN setting too low 941001758054 000030400 9 95249 19 98 se evr eee ee amp 6 0 Air bubble or underwater growth barnacle seaweed otc attached to the transducer face oooomosmocrososcssponnosrss s 7 x i k Mighly sedimented water amp 9 5 4 9 9 9 0 9 4 9 9 93 b 6 9 4 9 9 9 b 8 M OO E e E E Soft bottom 0 995 9 9 S
51. lot holes for the bracket 3 Install the bracket by using the screws supplied 4 Fit knobs rubber washers and knob washers to the display unit 3 Install the display unit in the bracket Tighten the knobs securely Mix the bracket in the Fit knobs and washers install display unit planned position to display unit onto the bracket Rubber washer Knob washer 8 01 P G ed salji rac Om ous hay 1 ASAS A 20 min E Vig 8 CABLE CONNECTIONS Cable connections to the FCV 662 display unit are made at the connectol located at the rear of the unit Fig 9 shows the wiring intruetions m P I 4 M A a gt to Loran LC 90 iround See P AP 2 e ca V oY to ed Temperature Sensor Fig 9 Cable Connection Transducer Cable Connection to Display Unit In order to minimize the chance of picking up electrical interference aw where possible routing the transducer cable near other on board electri equipment Also avoid running the cable in parallel with power cables 12 Power Cable Connection The FCV 662 is designed to operate normally at any voltage between 11 and 40Vde The power should be directly taken from the distribution board or breaker panel Connect the red lead of the cable to the positive terminal of the battery and the black lead to the negative terminal CAUTION Reversing the polarity will re
52. oice of either 50kliz or 200klIlz operation There are advantages and disadvantages to both frequencies and you should select the frequeney best suited to your needs Generally beamwidth depends on transmission frequency a narrower beamwidth is usually obtained ut the higher frequency Vor example the 200 Kll4 transducer has a 3 dI beamwidth of approximately lU degrees whereas the 50 Kilz transducer has a beamwidth of approximately 46 degrees Transducer Types 520 5PWB 5PSB 5M8B SOKHz di 200KHz ae es Room 1 rm K ELI h 109 BE SU e ANO i c 156 E oct Fig 30 Comparison of 50 and 200klz Transducers M MM M M A M A M M M n A yi A a aa i t Because the beamwidth of the 200kIIz transducer is narrow the operator has the advantage of higher resolution In addition the offects of cruising noise and air bubbles are greatly reduced since air bubbles resonate at a frequency between 15 and 100kHz On the minus side a narrow beamwidth transducer wil display even the smoothest bottom contour in a sawtooth pattern if the boat is moving up and down due to pitehing and rolling of the boat This makes discrimination of fish down close to the bottom difficult Also because of the limited coverage area a narrow beamwidth tends to overlook catchable fish at the sides of the boat The maximum percent of depth covered on the bottom for the 200kHz transducer is 17 of the depth For
53. p MI Ll 02P6041 ET LH 4 r SYNC FG 122 P2 32 TXOH 1 A AAA mf xX POSITION TXOL 052 A A 2 R XING RXDH 3 X y 3 X FQUIPMEN RXDL 5 L A Xd K INMEAI NER OPTIONAI l 31P3 77 3 m DT es S nx H i vin 33 E m4 2 X TEMPERAT d 7 3 La Bae ue Sian RECS 3 SPEEL uit amp Mens amp Poo SENSOR DVDS eee e mul G A NC ay A eee econ E ate P 6 g OPTIONAL 4 1 ee je z x E y xa i ek te 0 200kHz QUAL FREQU Pa j8 nmm TRANSDUCER m amp r GAINI TX p 13 jh Sup piei dakka edi a a BRIN gt 2 B1 yt _ MAN _A gt AA A gt G i i 1 1 i ti 3 GAIN3 3 AID 2 Y 3 g DRA asi amp 981 94 5 a E A 4 BR2 x si I C M O K amp NC O K 7 POWs fae E ae s el Pow isl ps SY QUT gt 1 T SV IN D 15 12V QUTD 3 gt p9 15s V IN DX sees K 2 4 ALARM SOV QUTD 5 gt a YA TEE S0V IN 5 amp X 43 ey NA d FCV 662 COLOR VIDEO SOUNDER E2303 002 A 46 oN T kA bok he k KA La 1 A LL kk A A gt AG QuYO8 NI YH ATUL 4 M oF uian un nf tls es vuv tet U Pe i r D ty mi U T 34 i 7 3 a paw wes e DN EN E E E 0 8 ee m 7 p C Ew e d miz Tm 5 R U r 58 dus P x g e 0 c9 t i AST OS M E he m rt e lt A5 c a Or PEE p
54. quencies than low frequencies 5 Though a high frequency offers a sharp clear cut picture its use should be limited to shallow water fishing because it is easily attenuated in the water Bottom Lock Presentation Selecting the IIB or LB mode provides a compressed normal picture on the upper 2 3 of the screen and a 10ft 2 5m 1 25fa 2 5P B wide layer in contact with the seabed is expanded onto the rest of the screen with the seabed contour aligned The range of expansion can be easily recognized on the normal picture because it is marked with a YELLOW line as illustrated below This mode of presentation is indispensable for bottom trawling B Expansion Range Marker YELLOW arb REDDISH BROWN RED si 2 9m 10ft 1 25fa 2 5P B YELLOW Seabed Contour Fiy 15 Bottom Lock Presentation l nnan a a XA e e a e Yd mg e A A ee E K actin A a eS a iwi elie say ee e er For the bottom lock presentation the seabed contour must be steadily and distinetly plotted in RED or REDDISH BROWN color Adjust the Gain 48 Control for the best seabed presentation Too high a setting of the control in shallow water may cause heavy surface noise that reach the seubed enusing orratic bottom lock operation Contrary to picture A it is recommended to utilize picture B for your secondary purpose Suggested are GR Graphic Data Logging see page 30 and echo plotting with a slow picture advance rate see page 20 to observe long
55. rmance of all since the transducer protrudes from the hul and the effect of air bubbles and turbulenee near the hull skin is reduced To determine the transducer location keep in mind the general considerations described on page 6 Also when the boat has a Keel the transducer should be at least 30 em 1 foot away from it Typical through hull mountings are illustrated in Figure 5 Nut E Flat Washer c rod f T E Hull Bottom Rubber Washer Nut N Mull Bottom Deep V Hull Flat Hull Figure 3 Typical Through Hull Installation ERE AAA Through hull mounting is accomplished as follows 1 With the boat hauled out of the water mark the location selected for mounting the transducer on the bottom of the hull 2 If the hull is not level within 15 degrees in any direetion fairing blocks made out of teak should be used between the transducer and hull both inside and outside to keep the trunsducer face parallel with the water line Fabricate the fairing block as shown in ligure 6 and make the entire surface as smooth as possible to provide on undisturbed flow of water around the transducer The fairing block should be smaller than the transducer itself to provide a channel to divert turbulent water around the sides of the transducer rather than over its face 3 Drill a hole just large enough to pass the threaded stuffing tube of the transducer through the hull making sure it js drilled
56. rn are OK Observe waveforms No No Vat plug P6 E Replace MAIN board vos XDCR is OK Voltages at plug E5 Pin no 4 2V to t5 1V 4 L1 5V to 12 5V 7 M M 40V to 60V 70V in the check mode Waveforms at plug P6 Pin no 1 Pin no 2 Pin no 3 Piu no 4 COMP SYNC Blue Green Red H ENE Trigger Internat d ripper UPA X acale 2ings ddv 1Y 5enlo V div xA d d Eod Lol d Trigger EPS 7 K senlo Bing dsy Y nenle IV div bc A ovd Trigger TPS X nonle 2maldjv Y amp enle 1Vidiv Adzeda Ub Ps the dl ha X nente 9 0ua cd0lv Y mnn 2V edv A d ot Eg okt bt MAIN Board _ 7 40 TRANSDUCER CHECK A simple and reliable check of the transducer is to temporarily substitute a new trunsducor instead of the existing one to the Display Unit If the picture sensitivity is considerably improved through this exchange the transducer is considered to be faulty On the contrary if no differences are found the Display Unit may be faulty This method is especially useful for inside hull or through hull installation The following quick check also helps to judge the performance of the transdueer to some extent Haul the transducer from the water and turn on the POWER Put your ear near the transducer face and carefully listen to the transmission sound if you can hear a clicking
57. sound and you know you must exercise caution before proceeding any further Note that the bottom alarm only works more than im below the transducer to avoid locking on the transmission main bang and does only when the bottom is colored red or reddish brown 2 Fish Alarm for Bottom Fishing Mode LA For bottom fishing the alarm is set from the lower right hand edge of the display upwards to a level set by the operator above the bottom For example if you are in 53 foot of water and your range setting is 0 to 60 feet you might set the upper edge of the indicator bar at 43 feet Now any fish that appears in the region between the bottom and 43 feet will sound the alarm You would use the gay keys to move the indicator bar Lower Alarm Zone i e p Vig 24 Bottom Fish Watch 3 Fish Alarm for Surface Midwater Fishing Mode FA For surface or midwater fishing you want the Fish Alarm to sound should fish appear in an area somewhere between the transducer and the bottom However an alarm set all the way from the transducer downwards may cause a lot of false alarms because of surface turbulence Thus you would probably want to set the top edge of the alarm zone to be below the surface turbulence seen on the screen For example let s say that a particular species of fish you want to catch normally are tound in the range between 30 and 60 feet and the range shown on the sereen is presently 0 to 120 feet Press
58. sound the transducer probably is OK Next rub the trunsducer face with your hand and observe whother any noise appears on the sereen The appearance of noise indicates that the transducer is normal In case of neither sound nor noise the transducer is likely to be faulty SPEED TEMPERATURE SENSOR CHECK The idea of transducer check can apply to this case too temporarily substitute a new sensor instead of the existing one to the Dislay Unit If the speed temperature indications become normal through this exchange the sensor is considered to be faulty Unless n new sensor is available try the following checks First unplup the sensor connector from the display rear panel and conduct self check see page 39 If the speed is indicatied 00 and the temperature indicate Q7 or around the display unit will be alright See Ki 39 a Next return to the normal operating mode and turn the water wheel with a finger f the sensor is normal the speed indication will be 2 to 3 knots when the wheel is turned at a normal speed and will be 7 to 8 knots when turned more quickly As for the temperature the reading should change when you touch the thermosensor as shown in Plig 39 b m M mas e en PS An qus mn E PR agi a A a as SPEED 20 TEMP 3 A1 SERIAL COMMUNICATION INTERFACE CHECK When the ship s position indication is thought to be abnormal the following loop back test will instantly
59. sult in blowing the fuse and may very well damage internal components GROUNDING The POV 662 is designed to operate normally without grounding the display unit provided that the cable routing precautions stated before are taken However in some cases interference may show up at high pain settings and it may become necessary to ground the unit to the boat s grounding bus to eliminate the problem In such cases run a heavy duty ground wire from the grounding terminal on the rear bottom of the display unit to the nearest grounding point on the boat On a fiberglass boat it is best to install a ground plate that measures about 20 cm by 30 cm 0 8 feet by 1 0 feet on the outside of the hull bottom to provide a ground point If this is not practical the engine block can bo used 13 BASIC OPERATION INTRODUCTION The FCV 662 is provided with two pages of PICTURES A and B either of which can be selectively projected onto the CRT screen Note that both pictures A and B are concurrently produced While you are watching picture A on the sereen for example picture B which is unseen on the screen is produced in the background as well and an up to date picture is readily available there B for projection onto the screen instead of A Hach PICUTURIE has six presentation modes shown in Fiy 10 and you will select one of them LOW means that the picture is painted by using the low frequency transceiver and the HIGH by the
60. ter into the alarm zone the alarm is released NOTE 1 Echo with a weak color can not trigger the alarm the fish must be plotted in YELLOW or higher gradation color in the FA mode and the seabed must be RED or REDDISH BROWN in the BA mode 2 An echo whieh is plotted within Im from the zero line can not trigger the alarm 3 When the LH dual frequency mode is selected the echo in the low frequency picture serves to trigger the alarm The high frequency picture is ignored by the alarm Typical Applications 1 Bottom Alarm Mode BA im he Bottom Alarm can be thought of as p seus Zone a zone extending from the transducer down to a depth of water greater than the draft of the boat In waters where the depth is known to dramatically and suddenly rise without warning it may be n good idea to set the Bottom Alarm 10 oe even 20 feet below the boat s draft to warn of impending danger For example let us say that your bost has a draft of 3 feet i e the transducer is flush with the hull bottom 3ft below E the surface but you want to set a lower l ig 23 Bottom Alarm limit of 10 feet below the transducor as oe US an alarm zone Upper Alarm Zone Now use tho 9 y keys to move the indicator bar down from the top right hand edge of the display to 10 foot If you overshoot 10 feet use the v kl key to get back to 10 fect Now should the bottom rise into tne indicated forbidden zone the alarm will
61. tion However reconsideration of the transducer installation may be necessary if the interruption occurs frequently 34 Zig zag bottom image Surface noise Thermocline TIA Caused by Aerated wuter Fig 34 MAINTENANCE GENERAL The equipment will maintain optimum performance for a long period However continued performance cannot be expected without periodic inspection and maintenance Important points to be checked from time to time are tabulated below Cheek Item Action Cable run It GUt repalr it Powor ouble plug transducer cable plug If loogened secure it firmly Dis pla y unit groundin g M ee ee e d corroded clean dt EA M O ln ee T loosened secure firmly e T 9 nee vie If out of ratings correct problem DW itch k nob S ee Ship s main voltage FUSE REPLACEMENT To prolect the equipment from sorious damage a fuse is provided on the power cable as illustrated The fuse protects against overvoltaye reverse polarity of the ship s mains or internal fault of the equipment f the fuse has blown first find the cause of the problem before replacing it with u new one A fuse rated for more than 3A should not be used since it may cuuse serious damage to the equipment Fuge JA Fig 35 CLEANING AND LUBRICATION Keep the equipment
62. to use picture A with your most often used mode L H for normal fishing in the deep shallow water LB HB for bottom trawling in the deep shallow water or LH for diserimination of fish species Suggestion on selecting frequency 1 Combination of iigh frequency and high transmission rate sec pape 26 is very useful to detect species whieh do not have air bladders e g sharks or which are very smal and do not readily reflect the echo 2 When the sea is rough noise reddish color beavily covers the surface layer and sounding is easily interrupted by aerated water which passos below the transducer It should be noted that a high frequency is less influenced by rough sea when compared with a low frequency Jlowever in the application where observation of DSL plankton layer is first essential use low frequency because such scattering objects are clearly plotted 3 To watch the seabed condition in bottom trawling a low frequency is preferable because the seabed is plotted thiekly and changes of the width can be easily noticed a wide seabed trace indicates a hard and a narrow trace a soft seabed 4 The DLII mode offers dual watch of both low and high frequencies In this mode discrimination of species or fish size is possible through experience A fish body reflects doth low and high frequencies but the proportion of reflection differs from fish to fish Also it is widely known that tiny fish reflects high fre
63. uld be avoided to minimize the effect of the boat s rolling t is advisable that the mounting location be finalized through a little trial and error after all other installation works have been completed Temporarily put some silicone grease not tho type that sets up after drying inside the hull Push the transducer down to squeeze out any air bubbles Turn on your unit Hun the boat at various speeds and move the transducer to different locations to select the position where the best picture is obtained Once a good location is found you may permanently mount the transducer The inside hull mounting is accomplished as follows See figure 6 for outline drawings l Lightly roughen the transducer face with fine 10 sandpaper and degrease it with a solvent thinner or alcohol Also roughen and degrease the inside of the hull where the transducer is to be mounted Squeeze out all air bubbles 2 Alow both to dry completely then coat the transducer face and hull with the adhesive supplied In a cold X environment you should warm the adhesive to approximately 40 C before usage to soften it 3 Press the transducer firmly down on the hull and gently twist it back and forth to remove any air which may be trapped in the adhesive Allow sufficient time for the adhesive to dry Figure 4 Inside Hull Mount Through Hul Mount Transducer Type See figure 6 on page 10 This type of mounting provides the best perfo
64. vertically 4 Apply a sufficient amount of high quality caulking compound to the top surface of the transducer around the threads of the stuffing tube and inside the mounting hole and fairing blocks if used to ensure watertight inounting 5 Mount the transducer and fairing blocks aud tighten the loeking nuts Be sure that the transducer is properly oriented and its working face is parallel to the waterline Do not over stress the stuffing tube and locking nuts through excessive tightening since the wood block will swell when the boat is placed in the water It is suggested that the nut be tightened lightly at installation and retightened several days after the boat has been launched CAUTION The tightening torque should not exceed 400kgy em Excessive stress will cause damage to the threads of the plastic stuffing tube e CELER MES NU eS dE a aS O 22 0 87 0 24 0 94 O EIN c 1 HOLE FOR STUFFING va TUBE 120 4 7 12041 7223 20w i 1 UT ee G E f 68 2 68 E L amp 7 SAW ALONG SLOPE DE HULL 7 MI Al D i E vr ees 0 ETE 49 520 5PS j up 520 5MS B Type 520 5858 Type SN SMSB Figure 6 Inside t ul and Vhrough Hull Transducer Outline Drawing amp Fairing Block Cutting Instruction A e rnc A emm ed m ea nc v bee i ms ve cap x d ai et vage er sro m eee A a yt t a N Transducer Preparation and Paint
65. y displayed on the sereen The picture displayed by the FCV 662 is made up of a series of vertical scan lines one for each transmission Kach line represents a snapshot of what has oceurred beneath the boat The series of snapshots are accumulated side by side across the sereen and the resulting contours of the bottom and fish between the bottom and surface are displayed The amount of history of objects that have passed beneath the boat over a series of transmission varies from less than a minute to several minutes depending on how you adjust the unit For further details see page 20 Picture Advance Speed Selection Fig l Principle of Echo Sounding ke ucc a INSTALLATION TRANSDUCER INSTALLATION The FCV 662 is available with either a transom mount inside hull mount or through hull mount transducer This section of the manual shows the installation procedure for each transducer The performance of this video 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 standard cable length 8m and the following factors in mind 1 Air bubbles and turbulence caused by movement of the boat seriously degrade the sounding capability of the transducer lhe transducer Should therefore be located in a position where water tow is the smoothest Noise from the propellers also adversely affeets performance and t
66. yed on the lower portion of the screen as shown right 5 Display The sesbed image shifts to 1 4 of the normal picture the setting of the Ye Range Shift 6 rectangular color CRT switch is ignored 6 Picture Page for Concurrent Plotting and Record Recall Two pages A and B for concurrent plotting and another two pages a and b for Frozen Picture Reeord Recall funetions l Presentation Mode independently selectable for pages A and B L Normal Low Frequency H Normal High Frequency LB Normal 4 Bottom Lock Expansion 2 3 amp 1 3 Low Frequency HB Normal amp Bottom Lock Expansion 2 3 amp 1 3 High Frequency LH Normal Low Frequency 4 Normal High Frequency 1 2 amp 1 2 GR Graphic Data Logging of Water Depth Water Temperature and Ship s Speed 8 Picture Advance Speed independently selectable for pages A and B Scan Line Transmission 9 Pulselength and Repetition Rate Pulse Repetition pulses min Ship s Speed Dependent 2kts ZU ILS Max Display Range Basic Range Phased Range Pulselenpth ms 0 40m 61 10 0 2 E 41 80m 25 250 0 2 81 240m 20 2300 0 6 241 640m E A A EU E K d M M M M lt M NOTE 1 In the Normal mode the pulse repetition rate can be changed in 11 steps between the min and max values 2 In the Ship s Speed Dependent mode the pulse repetition rate

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