Furuno CI-68 manual

DOPPLER SONAR CURRENT INDICA T OR CI-68[...]

Your Local Agent/Dealer Your Local Agent/Dealer 9-52 Ashihara-cho, 9-52 Ashihara-cho, Nishinomi y a, Ja p an Nishinomi y a, Ja p an Tele p hone : Tele p hone : 0798-65-2111 0798-65-2111 fa x fa x 0798-65-4200 0798-65-4200 : : F IRST EDITION : F IRST EDITION : OCT. OCT. 2003 2003 Printed in Japan Printed in Japan A ll ri g hts reserved. A ll ri g ht[...]

i SAFETY INSTR UCTIONS WARNING 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 r[...]

ii CAUTION Check the zinc plate (anticorrosion measure) regularly for corrosion and replace it when the ship is drydocked. Corrosion may occur. As a result the transducer may fall out, allowing water to leak inside the vessel. Do not use the equipment for other than its intended purpose. Damage to the equipment or bodily injury may result if the eq[...]

iii T A BLE OF C O NTE NT S FOREWORD ................................................................................................................... v SYST EM CONFI GUR A T ION .......................................................................................... vi DISPLA Y EXAMPLE ..........................................................[...]

i v 4. MAINTENA NCE & T ROUBLESHOOTING ............................................................ 4-1 4.1 Routine Maintenance ........................................................................................................... 4 -1 4.2 Repl acing Fuses ....................................................................................[...]

v FOREWORD A W ord to the O w ner of the CI-68 Congr atul ati ons on y our choi ce of t he FURU NO CI -68 Doppl er Sonar C urre nt I ndicator . W e are conf ident you w il l see w hy F URUNO has be come s ynony mous wi th qual ity and rel iabi lity . For ov er 50 y ears FURU NO E lect ri c Comp any has enj oyed an en viabl e rep ut ati on for innov[...]

vi SYSTEM CONFIGU R A T ION MONITOR UNIT MU-100C CONTROL UNIT CI-6888 TRANSCEIVER UNIT CI-6810 TRANSDUCER CI-620 JUNCTION BOX CI-630 100/1 10/1 15/200/ 220/230/240 V AC, 1, 50-60Hz DC-AC INVERTER TR-2451 24 VDC : Standard Supply : Optional Supply : Local Supply CONTROL UNIT CI-6888 VGA Monitor OR NMEA1 Output NMEA1 Input NMEA2/CIF Output NMEA2/CIF [...]

vii DISPL A Y EX A MPLE Ob j ect and col o r • T ide of lay er 1: Y ell o w • T ide of lay er 2: Purpl e • T ide of lay er 3: L i ght-bl ue • Ow n shi p speed vect or: G reen • Headin g l ine: W hit e (das hed) Tide vector display[...]

[...]

1-1 1. OPER A TION A L OVER VIEW 1.1 Contr ols POWER F1 F2 F3 L YR1 L YR2 L YR3 RANGE TRACK MODE DISP MODE BRILL MENU - + FURUNO CURRENT INDICA TOR CursorPad Setting Knob Contro l uni t Contr ol Functi on POW ER T urns p ow er on or off . F1 – F 3 Func tion k eys ( m enu shor tc ut ke ys) L YR1 – L Y R3 Set ti de m easur ing dep ths f or res pe[...]

1. OPERA T IO N AL OVER VIE W 1-2 1.2 T urning the Power On/Off 1. Press the [P O W ER] sw i tch at the l ef t hand side of the cont rol unit to turn t he power on. A beep s ounds, the equi pme nt tur ns on, an d the l amp ab ove the sw itch li ght s. T he equipm ent conduc t s the di agnosti c t est t o check f or proper op erati on betw een the t[...]

1. OPERA T IO NAL OVER VIE W 1-3 1.3 A djusting LCD Brilliance Y ou c an ad j u s t t he b r i l l i an c e o f t he F URUN O - s u pp li ed monitor a s be l o w . T o ad j u s t t he bri lli ance of a c ommerci al monit or , see it s o w ner ’ s manual . 1. Press the [B RI LL] key t o open the bri l liance adj ust ment w indow . H H BRILLIANCE C[...]

1. OPERA T IO N AL OVER VIE W 1-4 1.4 Choosing a Display T his curr ent i ndicat or has si x mai n dis p l ays : t i de v ect or dis play , shi p’s s peed displ ay , course plot dis play , text dis play , echo l evel di splay and gr aph di spl ay . Y ou ma y choose a di splay by pressi ng the [ DI SP MODE ] key . 1.4. 1 T ide vec tor di spl a y T[...]

1. OPERA T IO NAL OVER VIE W 1-5 1.4. 2 S hip’ s spee d dis pla y T he shi p’s s peed displ ay show s shi p’s f ore-af t a nd port- st arbo ard sp eeds in an al og and digi t al for m. Trip Distance Ship Speed (Synthesized Speed) Fore-Aft Speed History Graph Port-Starboard Speed History Graph Fore-Aft Speed Port-Starboard Speed Drift Angle Ow[...]

1. OPERA T IO N AL OVER VIE W 1-6 1.4. 4 Cours e pl ot di spl a y T he course pl ot di spl a y plot s shi p’s t rack al ong wit h ti de vectors. Text Window Scale DIV Tide Display Interval Position North Mark Tide Vector Ship’s Track Own Ship Position Cours e plot di spl ay 1. 4 .5 T ext disp l a y T he text displ ay provides various na v data [...]

1. OPERA T IO NAL OVER VIE W 1-7 1.4. 6 Ech o leve l d ispla y T he echo l evel di spl ay show s t he strengt h of t he ech oes c aptur ed by thr ee sou ndi ng bea ms. Note that ECHO LEVEL i n the M ODE menu mu st be set t o ON to show the echo l evel dis play . Echo Level Tide Vector Beam 2 Beam 1 Beam 3 Echo Display Range Echo lev el di s pl ay[...]

1. OPERA T IO N AL OVER VIE W 1-8 1.5 Setting Measur ing Depths Set t he depths at w hi ch y ou wis h to measur e ti d e spee d and direc ti on as below . Note t hat lay er 3 c annot be set w hen BT M T IDE T RACK in the M ENU 1 menu i s set to ON. 1. P ress t he [L Y R1], [L Y R2] or [L Y R3] key as appropr iat e to show t he depth set ti ng wi nd[...]

1. OPERA T IO NAL OVER VIE W 1-9 1.6 Choosing Spee d T ra cking Mode T he trac king m ode is avai labl e in gr ound tracki n g, w ater t racki ng, NA V and automat ic . Ground tr ackin g: Absolut e shi p and ti de movem ent s base d on ground a nd curr ent (ti de dis play (bot tom echo m ust be pres ent ). W ater tracking: S hip and t ide mo vement[...]

1. OPERA T IO N AL OVER VIE W 1-10 1.7 Choosing t he Range Y ou may choose t he spee d range as fol low s: 1. P ress t he [RANG E] key to s ho w the range set ti ng w indow . TIDE SPEED RANGE KNOB OR CURSOR P AD: CHANGE SETTING 1.0 kt (0.5-10.0) Range s et ti ng wi ndow ( ex ample: range set t ing w i ndow for ti de vector di splay) 2. W it hin f i[...]

2-1 2. INTERPRETING TH E DISPL A Y S 2.1 T ide V ector Di spla y Tide differential between reference and deeper of other two layers Tide differential between reference and shallower of other two layers Electronic Bearing Scale* Note: Missing or wrong data is denoted with " --". Tide Average Setting Tracking Mode Tide Speed Range Echo Leve[...]

2. IN TE RPR ETIN G THE D ISP LA YS 2-2 Descri pti on of i ndi c at ions on t ide v ec t or di s play It em D escrip ti on Headi ng Ship ’s headi ng f ed f r o m a headi ng sensor. Mode Show s c urr ent tr acki ng m ode, as sel ected w i th the [ TRAC K M ODE] k ey . Mode m arker Show s tr ack ing mode and echo av ail abil ity f or l ast thr ee m[...]

2. INTERPR ETING THE D ISPLA Y S 2-3 It em D escrip ti on T ide s peed a nd dir ecti on T ide s peed a nd di rec tion is show n f or thr ee layers (m eas uri ng dep ths) . T he dis pl ayabl e rang e is 0.0 to 9.9 k ts f or s peed and 0° t o 359° f or cour se. D ata show n dep ends on t he m easuri ng m ode as f ollow s: Ground tr acking m o de: S[...]

2. IN TE RPR ETIN G THE D ISP LA YS 2-4 It em D escrip ti on Headi ng l ine The hea ding l ine i s a das hed li ne w hic h show s ship’s heading . It ex tends f rom shi p’s pos iti on (c enter of v ector di spl ay) to th e edg e of t he v ector disp l ay . T h e li ne can b e turne d o n or off w ith H EADI NG LIN E in the D ISP1 m enu. T ide v[...]

2. INTERPR ETING THE D ISPLA Y S 2-5 2.2 Ship’ s Sp eed Di spla y Trip Distance Ship Speed (Synthesized Speed) Port-Starboard Speed History Graph Fore-Aft Speed Port-Starboard Speed Drift Angle Own Ship Vector Synthesized Speed Vector (Green) Fore-Aft Speed History Graph Shi p’ s speed di splay Descri pti on of s hi p’ s s peed di splay i ndi[...]

2. IN TE RPR ETIN G THE D ISP LA YS 2-6 Descri pti on of s hi p’ s s peed di splay i ndi c at ions ( c on’ t fr om pr ev i ous p age) It em D escrip ti on Ow n shi p vector* The ow n s hip vec tor s how s por t-s tarboar d sp eed on the x- axi s and f ore- aft speed on t he y-ax is. The “s ynthes iz ed sp eed v ec tor ” (gr een) ap p ears w[...]

2. INTERPR ETING THE D ISPLA Y S 2-7 2.3 G raph Display 0-60 minutes of latest data 0-6 hours of latest data Note: When overlapping occurs, layer having highest number has priority . *: Sensor required. Text Window Depth of each layer Depth Graph Mode Marker Water Temp. Graph* Tide Graph (or Tide Diff or Ship Speed) Trip Distance Marker Max. Range [...]

2. IN TE RPR ETIN G THE D ISP LA YS 2-8 Descri pti on of gr aph di sp lay i ndi cat i ons (c on’ t from previ ous p age) It em D escrip ti on Water te m per atur e gr ap h The w at er tem p eratur e gr aph m ay be tur ned on or off w ith TEMP GRAPH in the D ISP1 m enu. Mode m arker The m ode m a r ker shows by col or w hi ch tr acki ng m ode is i[...]

2. INTERPR ETING THE D ISPLA Y S 2-9 2.4 Course Plot D isplay * : Sensor required. North Mark Text Window Scale DIV Tide Display Interval Position* Tide Vector Ship’s Track Own Ship Position Cours e plot di spl ay Descri pti on of c our s e pl ot di splay i ndi c at ions It em D escrip ti on T ext w i ndow The tex t w i ndow can b e tur ned on or[...]

2. IN TE RPR ETIN G THE D ISP LA YS 2-10 2.5 Echo Level Di splay Echo Level Tide Vector Beam 2 Beam 1 Beam 3 Echo Display Range Echo lev el di s pl ay Descri pti on of ec ho lev el di spl ay i ndi c at ions It em D escrip ti on Ech o le v el Echo st atus of b eam 1 ( f o r e), b eam 2 (s tarboar d) and beam 3 (por t) is display ed in eigh t colo rs[...]

2. INTERPR ETING THE D ISPLA Y S 2-1 1 2.6 Error Displa y An error displ ay is generat ed w henever displ ay dat a or meas ured d at a i s abnormal . W hen thi s occur s the cor respo nding d at a w il l be unrel iabl e. Speed a nd cour se ( fore -a ft, port-s t ar boar d, drift angle ) 12.3 333 SPD/CSE kt (1) No data input from transceiver unit (2[...]

2. IN TE RPR ETIN G THE D ISP LA YS 2-12 Ti d e for t h ree laye rs/ti de d i fferen ti al (4) Depth setting error 1 2m 2.3 140 TIDE SPD/VECTOR kt (3) Echo from measuring layer is abnormal 2.3 140 TIDE DIFF kt 3) Echo from measuring layer is abnormal 1 2 Tide vector, speed, graph and course plot displays Text and echo level displays (4) Depth setti[...]

3-1 3. CUST OMIZING THE SYSTEM Less-of ten use d funct ions are s tore d in t he men u. T here are f our mai n men us, M ENU 1, M ENU 2, ALARM and I NS T ALLA TIO N. T he MENU 2 and I NS T ALLA TI ON menus have three s ub menus each. 3.1 Menu Oper ation 1. Press the [M ENU] key t o open the men u. T he l ast-us ed menu ap pears. TIDE VECTOR : OFF O[...]

3. CUST OMIZIN G THE S YSTEM 3-2 3. Pr ess ◄ or ► to c hoose t he mai n menu des ire d among M ENU 1, M ENU 2, ALARM and I NST ALLA TIO N menus. T hen, the m enu change s acc ording t o y our sel ecti on. For the M ENU 2 and I NST ALLA TIO N menus t he sub m enu ti tl e appears. T o choose a s ub menu, press ▼ to cho ose t he sub m enu ti tl [...]

3. C UST O MIZIN G THE S YS TEM 3-3 3.2 Function Key s 3.2. 1 Pr ogr am m i ng th e fu nc tio n ke y s T he funct ion k eys ([ F1]-[F 3]) provi de menu s hort cut oper ati on. Y ou may program t he key s as fo llo w s : 1. Press the [M ENU] key to di spl ay the mai n menu. 2. Choos e menu des ired. Note : T he ALARM and I NST ALLA TI ON menus cann [...]

3. CUST OMIZIN G THE S YSTEM 3-4 3.3 MENU 1 M enu T his menu mai nl y provides i tems for adj ustm ent of tide p aramet ers. SHIP SPEED A VG : 15 sec 30 sec 60 sec 90 sec TIDE A VERAGE : 2 min REF TIDE DIFF : LA YER 1 LA YER 2 LA YER 3 BEARING MODE : 32 CMPS 360 TRUE NA V MODE : OFF ON BOTTOM SEARCH: NO YES BTM TIDE TRACK : OFF ON ALM/KEY BEEP : OF[...]

3. CUST OMZ ING THE S YSTEM 3-5 BOT T OM SEARCH BOT T OM S EARCH enabl es reac quis it ion of temporari ly lost ground ech o, i n the w ater trac king m ode. W hen t he bot tom ech o i s los t for a short w hil e due to ai r bubbl es, or t he equipm ent tends t o track on fal se bott om, acqui re the bot tom ec ho manu al ly as foll o w s: 1. Set B[...]

3. CUST OMIZIN G THE S YSTEM 3-6 ECHO RA NG E Choos e the maxi mum d epth t o dis play echoes, from am ong 50, 100, 150, 20 0, 250, 300, 350, 40 0, 450, 500 (m). TVG T urn echo T V G on or of f. GAIN Adj ust echo l evel di spl ay c olor . T he higher the di git the near er to t he strong est color (reddi sh brow n). “GAI N” does not adjus t the[...]

3. CUST OMZ ING THE S YSTEM 3-7 3.4 MENU 2 M enu 3.4. 1 M ODE men u T his menu mai nl y turns displ ays on or of f. All display s cannot be turned of f ; at least one must be turned on. Any di splay turned of f on the M ODE menu i s removed fr om sel ecti on with th e [D I SP MODE ] ke y . TIDE VECTOR : OFF ON SHIP SPEED : OFF ON GRAPH : OFF ON COU[...]

3. CUST OMIZIN G THE S YSTEM 3-8 ECH O LEVE L Enabl e or dis able t he echo l evel dis play . BACKG ROUN D CLR Choos e the back gro und col or from among bl ack , w hite and bl ue. 3.4. 2 D ISP 1 m enu COMMON SETTINGS TIDE RANGE : 3.0kt SHIP SPD VCTR : OFF ON HEADING LINE : OFF ON TIDE VECTOR LA YER 1 : OFF ON LA YER 2 : OFF ON LA YER 3 : OFF ON TI[...]

3. CUST OMZ ING THE S YSTEM 3-9 DISPL A Y MODE Set di spl ay ori ent ati on for head- up or nor th-up. Headi ng de vice r equi red for North- up. Head-up North-up Ship’s bow is at the top of the screen. North is at the top of the screen. W S N E SW NW SE NE HEADING LINE N W E S NW NE SW SE Head- up a nd no r t h-up di s p lay m odes SHI P SPD MOD[...]

3. CUST OMIZIN G THE S YSTEM 3-10 3.4. 3 D ISP 2 m enu TIDE VECTOR ECHO LEVEL : OFF ON DISP MODE : SOUNDER GRAPH SHIP SPEED SCALE SYNC : OFF ON DRIFT SCALE : 1.0 kt SCALE : 10.0 kt DRIFT HIST ORY : 0.5 kt 1 kt 2 kt HISTOR Y : 4 kt 8 kt 16 kt 32 kt HISTOR Y SHIFT : 0 kt COURSE PLOT SCALE : 1:10000 1:20000 1:50000 1:100000 INTERV AL : 2.0 SHIP TRACK [...]

3. CUST OMZ ING THE S YSTEM 3-1 1 SCALE S YNC Choos e w hether t o int erl ock port -st arboard s peed ran ge w it h fore-af t speed range or n ot. DRI FT S CALE Set t he port- st arboar d spee d range on t he s hip’ s speed displ ay . T he choic es are 0.5, 1.0, 2.0, 3.0, 5. 0 and 10.0 (k t). Note : Y ou may adjus t DRIFT SCALE at any time, how [...]

3. CUST OMIZIN G THE S YSTEM 3-12 3 . 5 AL ARM M e n u T he ALARM menu set s the p arameters for t he ti de speed an d ti de di recti on al arms, ship’ s speed alarm and tri p dis t ance alar m. W hen an a l arm set ti ng is v i olat ed, the audi bl e alarm sound s and a w arni ng messag e (f lashi ng) appe ars. T o s il ence t he audibl e alar m[...]

3. CUST OMZ ING THE S YSTEM 3-13 3.5. 2 Setti ng/Ca nc eli ng ti d e spe ed, tide di r ection , t ide d iff ere nti al an d shi p’ s s peed alar ms T his sect ion s ho w s how to set t he tide speed, ti de direc ti on, ti de dif fer enti al and shi p speed alar ms. As an ex ample, for LA Y ER 1, set t he tide spee d alar m for 1-2 k t s and ti de[...]

3. CUST OMIZIN G THE S YSTEM 3-14 N S E NE SE SW W NW 3.0kt SPD LAYER1 KEY MAX KEY MIN S TAT U S 0.0kt 0 TIDE MIN 0.0kt MAX 0.0kt QUIT ANY FUNC KEY DIRECTION MIN 0 MAX 0 T ide speed range value Alarm being set Alarm settings Cursor pad Present tide data for layer 1 Alarm set t ing s c r een ( t ide, shi p’ s speed) 6. Use ◄ or ► to set mini m[...]

3. CUST OMZ ING THE S YSTEM 3-15 S E NE SE SW W NW 3.0kt DIR LAYER1 KEY MAX KEY MIN ST A TUS 0.0kt 0 TIDE MIN 1.0kt MAX 2.0kt QUIT ANY FUNC KEY DIRECTION MIN 350 MAX 10 T ide direction alarm setting N N T ide speed alarm setting Starting point Ending point Alarm set t ing s c r een ( t ide) 1 1. Press any func ti on key to ret urn to t he ALARM men[...]

3. CUST OMIZIN G THE S YSTEM 3-16 T rip tim e a lar m T he trip al arm s ounds w hen the pr eset t rip ti me has el apsed. 1. Press the [M ENU] key t o open the men u. 2. Pr ess ▲ to pl ace the c ursor o n the mai n men u ti tle f ield. 3. Pr ess ◄ or ► to choose ALAR M . 4. Pr ess ▲ or ▼ to ch oose TR I P- TIME. 5. Pr ess ► to show the[...]

4-1 4. M AINTEN A NCE & TROUBLESHOO TING Periodi c checks and maint enanc e are i mport ant for maint ai n ing perf ormance. T his chapter cont ai ns mai ntenanc e and tro ubl eshoot ing i nst ructi ons t o be fol low ed to obt ai n optimum perfor manc e and t he longe st pos sibl e l ife of t he equi pment . Bef ore att empti ng any mai ntenan[...]

4. MAINTENAN CE & TROUBL ESHOOTING 4-2 4.2 R eplacing Fus es T he t r an sc e i v e r un i t, monitor un i t and c on t r o l u n i t a r e equ i pped w i t h a f u s e w h i c h p r o t e c t s them f rom over volt age an d eq uipment faul t. I f a fuse bl ow s, fi nd the cause bef or e replac ing it . I f it bl o w s again af t er repl acemen[...]

4. MAINTENAN CE & TR OUBLESH OOTIN G 4-3 4.3 T roubleshootin g Bel ow are s impl e tr oubleshoot ing pr ocedur es w hi ch the user m ay f ollow to try to rest ore normal oper ati on. If normal operati on cann ot be res tored, do n ot at tempt to chec k ins ide any unit . Any repai r w ork is bes t lef t to a qual ifi e d tec hnici an. T roubles[...]

4. MAINTENAN CE & TROUBL ESHOOTING 4-4 4.4 Diagnosti cs T he current indi cat or is equi pped w it h several t est f acilit ies to chec k it for proper op erati on. 4.4. 1 Gen eral test T he general t est mainly checks the RO M, RAM and volt ages. 1. Press the [M ENU] key to open t he men u. 2. Pr ess ▲ to plac e the curs or on t he mai n men[...]

4. MAINTENAN CE & TR OUBLESH OOTIN G 4-5 XX: Program Version No. Echo display for three beams CI-68 CI-6888 VOL. 6651000-XX.XX MEM. 1 2 3 OK SIO. OK CI-6810 VOL. 6651001 -XX.XX TBL. MEM. 1 2 3 4 5 6 7 8 OK ANA. 12V;12.03V BV;110.0V TRM. +25.02 C DSW. 00 00 00 00 DSW. -- 00 00 00 Model Control Unit T est T ransceiver Unit T est Noise Level of Be[...]

4. MAINTENAN CE & TROUBL ESHOOTING 4-6 4.4. 2 P anel t est T he panel test checks the key s and sett ing knob on the cont rol uni t f or proper operati on. 1. Open t he ME NU 1 menu and c hoose P ANEL f ro m T EST . 2. Press any f uncti on key to st art the t est. A screen f or test ing t he control uni t appears on the di spl ay . 0 0 0 0 0 0 [...]

4. MAINTENAN CE & TR OUBLESH OOTIN G 4-7 4.4. 3 T es t p att er n T he test pattern checks for proper display of colors. 1. Open t he ME NU 1 menu and c hoose P A T T ERN from T EST . 2. Press any f uncti on key to st art the t est. T est Pattern Black Blue Green 16 tones of red 16 tones of green 16 tones of blue White Red T est patte rn 3. Pr [...]

4. MAINTENAN CE & TROUBL ESHOOTING 4-8 4.5 Err or Messages and A lert s T he current indi cat or dis plays an error mess age and sou nds the au dibl e al arm w hen error i s detected. T o silence the a larm, pre ss any arrow o n the Cu rs orPad for transceiver-related alar m or tur n of f the al arm i n the ALARM menu in case of control unit -r[...]

A P-1 A PPEN DIX MENU TREE Defaul t set ti ngs show n in bol d it alic . MENU key MENU 1 SHIP SPD A VG ( 15 sec , 30 sec, 60 sec, 90 sec) TIDE A VERAGE (15 sec, 1 min, 2 min , 3 min, 5 min, 10 min, 20 min) REF TIDE DIFF ( LA YER 1 , LA YER 2, LA YER 3) BEARING MODE ( 32 CMPS , 360 TRUE) NA V MODE ( OFF , ON) BOTTOM SEARCH ( NO , YES) BTM TIDE TRACK[...]

MENU T REE AP - 2 ALARM LA YER 1 SPD DIR LA YER 2 SPD DIR LA YER 3 SPD DIR SHALLOW T/D SPD DIR DEEP T/D SHIP SPEED TRIP SPD DIR SPD CSE DIST ( 0 -30 (nm)) TIME ( 0 -23:59:59 (h:m:s)) (Continued from previous page) ECHO LEVEL (OFF , ON ) DISP MODE ( SOUNDER , GRAPH) TIDE VECTOR SHIP SPEED COURSE PLOT SCALE SYNC (OFF , ON ) DRIFT SCALE* (0.5, 1.0 , 2[...]

TI DE MEA SUREMENT IN NA V MODE A P-3 TIDE MEASUREMENT IN NA V MODE T he accurac y of tide meas ureme nt i n the NA V mode d epends he a v i ly on gy roc ompas s accuracy . Set ting sh ip’ s head ing T he current indi cat or has a NA V mode w hi ch measures t ides in deep w aters w here ground trac king i s not av ai labl e. T o achieve rel iabl [...]

TI DE MEA SUREMENT IN NA V MODE AP - 4 Wh y gyr o dat a is im por t ant i n t he NA V m ode If y ou consi der the di f ferenc e of ti de vector c alc ul ati ons in t he ground tr acking m ode an d the NA V mode, y ou can see t he impor t ance of gy ro (hea di ng) dat a. Ti d e calcu l atio n i n the grou nd tracki n g mod e I n the ground t racki n[...]

TI DE MEA SUREMENT IN NA V MODE A P-5 Tide c alc ulation in N A V m ode I n the NA V m ode, the c urrent i ndic ator deri v es t ide i nformat ion f rom t he fol lowi ng dat a: (1) Shi p’ s spee d/cours e f ed from na vigat or (GP S) ( nav spee d = ps eudo gro und sp eed) (2) Shi p’ s spee d/cours e base d on t arget lay er (w a ter speed) (3) [...]

PRINCIPLE O F O PERA TION AP - 6 PRINCIPLE OF OPERA TION W he n a mo ving vessel emi t s an acoust ical pul s e i nto the w ater at an angl e, a port ion of the emi tted ener gy i s ref lec ted fr om the bot tom and other mi cros copic object s in the s ound p ath, such as pl ankt on or ai r bubbl es. T he fr equency of the r eceive d signal is shi[...]

PRINCIPLE OF OPERA TION A P-7 Shi p’ s Sp eed (Here, speed i s a vector val ue i ncludi ng veloci ty and di rect ion. ) Dependi ng o n the bas e of meas urem ent , shi p’s speed is expre ssed i n tw o w ays: Ground tr ackin g speed: Ship’ s spee d and cour se rel ati ve to bot tom (f ix ed base) (Absol ute s peed) W ater tracki n g sp eed : S[...]

PRINCIPLE O F O PERA TION AP - 8 Absolute T ide = (1) – (2) Fixed Layer (A) : Base of measurement 1 2 Tide D iff er enti al T ide di ffer ential is a rel ative mo vement of ti des at dif f erent dept hs, l ay er (A) and lay er (B ). T o cal culat e tide dif f erenti al, t he foll o wi ng tw o data ar e used: 1) Shi p’s speed and c ours e base d[...]

PRINCIPLE OF OPERA TION AP - 9 Tide, N av -tide and T ide Diffe rential T ide ( a bsol ute ti de ) Absol ute t ide can be m easur ed i n the groun d tr acki ng mode. :Base of measurement Layer A Fixed Start of trip End of trip (Moving at 10 kt on ground) (Moving at 3 kt on ground) 10 NM (1 hour trip) 2 1 Assum e that t he shi p and lay er A are mov[...]

PRINCIPLE O F O PERA TION AP-10 T i de d iff e renti a l T ide di ffer ential is a rel ative mo vement of ti des at dif f erent dept hs. It can be measur ed i n the grou nd trac king, w ater trac king and NA V modes. :Base of measurement Layer A Start of trip End of trip (Moving) 10 NM (1 hour trip) Layer B (Moving) 2 kt 5 kt 2 3 Assum ing t hat th[...]

PRINCIPLE OF OPERA TION AP - 1 1 I n the w at er track ing mode, w at ermass j ust below the t ransducer (ne ar-s urfac e l ayer ) is t aken as t he base of all measur ement s (vir tual g roun d). T heref ore, t he ship and t ide s peeds in t he wat er tr acki ng mode are not abs ol ute but relat ive to t his near -surf ace lay er . Vw = 9 k t (Shi[...]

PRINCIPLE O F O PERA TION AP-12 Tide diff er entia l ca lcula tions in w ater t ra cking mode T ide speeds of lay er A (C1) and lay er B ( C2) relati ve to near-s urf ace lay er ( V w ) ar e cal culat ed as fol l o w s: T ide di ffer ential based on l ay er A (speed of lay er B as view ed from lay er A) D1 = V w - Vw a (S peed of lay er A based on [...]

SP - 1 E7252S01B 031120 SPECIFI CA TION S OF CI- 68 CURRENT INDICA T OR 1 TID E 1.1 Speed 0.0-9.0 kts 1.2 Accuracy W ithin 0 .2 kts 1.3 Di rec tion Al l di rec tions in one- degr ee st eps (360° ) 1.4 No. of m easur ing layers 3 1.5 Rang e of m eas urem ent 2-150 m Up to 75% of dep th. The dep th m us t be g r eater than 22 m in t he gr ound tr ac[...]

FURUNO CI-68 SP - 2 E7252S01A 6 I/O DAT A 6.1 Form at Cur rent loop , NM EA 0183 v er . 1.5/2/ 0/3. 0, IE C 6 1162- 1 Ed. 2 IEC 6116 2-2, c urr ent i ndi cator (F UR UNO’ s ow n f ormat) 6. 2 NMEA input sen te n ces ZDA, RMC, RMA , GG A , GL L, VT G, HDT , HDM, HDG , DBT , DPT, MT W 6.3 NM EA output sente nces VBW , VDR, VHW , VTG, VL W , CUR 6.4[...]

IN-1 INDEX A ALARM m enu ............................................ 3-12 Alarm s disab li ng audi ble alarm .......................... 3-16 disab li ng/enab ling ..................................3- 16 ship ’s s p eed ........................................... 3-13 tide diff erential ....................................... 3-13 tide sp eed a n[...]

INDEX IN-2 P Panel dim m er ..............................................3-6 Panel tes t ..................................................... 4-6 POW ER s w i tch ............................................1- 2 R RANGE k ey ............................................... 1-10 S Scale .................................................2-19, 3-1 1 S[...]