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Furuno 851 MARK-2 Marine RADAR User Manual

1. SETTING Pejewoswr 1 5 3 RANGE MENU Eme Spem cm To Terme rese DON r ser oFF spon 0 D EE e bm r r seroFF sP ON 3RD LAYER CON Doei T r CIOFF SETOFF SPON Borgo ow sero gem Con Doret r DoF 7 1 r Marks the ALARM MENU Filled star alarm active Hollow star alarm inactive Active speaker 0 speaker enabled Inactive speaker 0 speaker disabled Note 1 Descriptions of menu items and the procedures for presetting them begin on page 4 1 2 To clear user presets and automatically restore factory settings select FACTORY on the BASIC MENU2 MENU SET Note that the user presets for TEMP DSP and ECHO LEV DSP in MENUI are not cleared by this operation 3 Items marked with are user changeable Items marked with should not be changed needlessly once they are set at installa tion Needless change can degrade the accuracy of measurements vi READ THIS FIRST IMPORTANT NOTICE ON TIDE MEASUREMENTS In nav aided mode tide accuracy depends heavily on gyro accuracy SETTING SHIP S HEADING The CI 35 35H has the nav aided mode to measure absolute tides even in deep waters where ground tracking 15 unattainable To achieve reliable measurements however you m
2. display section DRIFT amp TIDE DIFFERENTIAL display section Text amp Graphic TIDE VECTOR COURSE PLOT display section Graphic MISCELLANEOUS DATA display section BR CNRC 3 2 FUNDAMENTAL DATA SECTION SHIP S SPEED COURSE Display Ship s speed and course true Course calibration angle Displayed in NAV mode O Calib by GT GRN O Calib by WT L BLU Qo o Manual calib WHT W GT 2700 12 NAZAM 00 Ee NA Ship s heading Note The CI 35 35H updates ship s speed and course display in every 3 seconds with an averag ing time selected in MENU 1 See page 3 5 for averaging time setting Navigator speed depending on the tracking mode True course N amp s Speed toward true course speed water speed or Heading Compass bearing The course display appears in degrees and 32 point notation If desired their locations be swapped by changing the setting of an internal DIP switch See installation manual 3 3 FUNDAMENTAL DATA SECTION TRAC Display COURSE MODEN COMPASS PLC Displays nav data source when mode is selected e GPS GPS navigator e C Loran C navigator e If NENU2 WT SPEED is e DC Decca navigator setto ND e DR Dead reckoning GT NAV AUTO eLA Loran A key GPS GT gt elf NENU2 WT SPEED is changes tracking ee EU
3. 2 Water tracking speed o Base of measurement Layer A 1 3 Tide Differential Tide differential is a relative movement of tides at different depths layer A and layer B To calculate tide differential the following two data are used 1 Ship s speed and course based on layer 2 Ship s speed and course based on layer Tide differential between two layers 15 then given as a difference of these two speed vectors Tide Difference 1 2 Movement of layer B based on layer or 2 1 Movement of layer A based on layer Layer A Layer o Base of measurement 1 4 3 TIDE NAV TIDE TIDE DIFFERENTIAL Absolute tide Absolute tide can be measured in the ground tracking mode 10 NM 1 hour trip Start of End of trip trip Moving at 10 kt on ground Layer A Von Moving at 3 kt on ground o Base of measurement EI 7 7 Assume that the ship and layer A are moving in the same direction and ship s speeds based on ground Vg and on layer A Vwa are measured as Vg 10 kt Ship s speed based on ground Vwa 7kt Ship s speed based on layer A Speed of layer A based on ground C1 can be calculated as follows C Vg Vwa 10 7 3 kt Absolute tide Absolute tide can be measured in the nav aided mode Nav aided ship s speed Vn is equivalent to ship s ground tracking speed in the ideal conditions That is the nav t
4. For echo level display 4 Color gradation range For echo level display in color mode 1 To change one of the above ranges call the RANGE SET menu by pressing the key OMax speed range of tide tide RANGE SET KNOB ITEM gt KNOB SETUP differential vector END RANGE i NE thee kt SPEED RANGE 100 lt 0 1 kt steps PEST M en 4 from center DIST RANGE 1 0 NM lt silos oson 6 ECHO DEPTH 150 lt outermost ring for course plot display Note 1 ECHO SHIFT 1 0 5 to 5 0 nm 0 5 nm steps A d ecce i 3 depth range for Knob lt q Knob p echo level display 1 50 to 700 meters b 50 meter steps Note 1 Changes the threshold levels for coloring echoes lE SEEN 4 Color gradation factor with different strengths The higher the value the for echo level display lower the thresholds and vice versa 1to 36 A gradation factor of 1 to 7 is recommended The higher lower the value the greater the amount of red blue in echoes Notice that the threshold shift dose not change the receiver gain nor performance of the equipment although it changes echo color 2 When desired range is set press the key again 4 10 3 ALARM SET MENU The ALARM menu permits selection of alarm sources and alarm parameters ALARM FOR TIDE TIDE DIFFERENTIAL SHIP S MOVEM
5. Press the key to call the set and drift display CONE 1Set angle Leeway angle 201 port to 20 starboard True course T Es En mM Deviation of true course from ship s eewa o 17 41 00 heading A y 2 Drift speed lateral speed 9 9 kt port to 9 9 kt starboard Filled arrow shows drifting direction MODE COMPASS 1 Reference layer number 27001 See page 3 3 to set reference layer E 17 11 00 O 2 Tide differential between reference layer and shallower of the other two layers d Ex Ret layer 3 Shallower layer 1 Tide dif 3 1 3 Tide differential between reference Tide dif layer and deeper of Deeper 3 gt 2 the other two layers layer 2 Colors in bar correspond to layers used for Ref layer 3 tide differential measurement 3 9 TIDE VECTOR COURSE PLOT SECTION TIDE VECTOR Display Each tide vector can be switched on and off independently by MENU 1 LAYER n setting Refer to page 4 2 Tide differential vectors can be switched on and off by MENU 1 TIDE DIF DISP setting Refer to page 4 2 Each vector bar indicates flowing to own ship direction with the standard factory setting It is possible to reverse the pointing direction to flowing from Tide vectors Heading line Presented in North up mode only Tide differential vectors Note If vector bars of two or more layers point in the same direction only the vector bar and the d
6. 2 When the horizontal cursor is on an item which has the hollow star aside it or no star mark the range set display appears Ex Selected LAYER1 MAX lt gt MIN SET 1 2k 280 SPD MIN 0 5kt 1 0kt LYR1 DIR MIN 0 MAX 0 SPD 99 Present tide MAX vector for layer 1 MIN lt gt Alarm range zone As necessary change alarm range zone by knob MAX and gt knob MIN and then press the event key The hollow star changes to the filled star x to indicate the alarm setting is valid or active 4 12 3 When the horizontal cursor is on an item which has the filled star mark x beside it the following sub menu appears ALARM ALARM ZONE SETTING KNOB SETUP PRESS EVENT KEY TO ENTER To make alarm setting valid 1 Place the horizontal cursor on SET ZONE by lt p knob and press the key The alarm zone setting display appears Selected 1ST LAYER DIR MAX lt gt MIN SET 1 2k 280 LYR1 SPD MIN 0 5kt 1 0kt LYR1 DIR MIN 45 MAX 90 2 As necessary change alarm zone by gt MIN and then press the key To make alarm setting invalid D In the alert message window select STOP ALM by lt p knob and press the key The filled star x aside the option item changes to the hollow star to show the alarm setting is now
7. Fore aft Port stbd All directions in one degree steps 0 to 359 relative and true bearing 3 m to 500 m beneath the keel depending on sea condition 2 m to 25 6 m beneath the keel The measuring accuracy will drop for the depth shallower than 40 m 70 m or deeper with wide pulse 0 0 to 9 9 kts directions in one degree steps 0 to 359 relative and true bearing CI 35 3 layers fixed CI 35H Maximum 11 layers 10 at constant interval between maximum and minimum preset depths and a layer preset manually 2 m to 200 m beneath the keel depending on sea condition Clearance of more than 15m required for Ground Tracking Mode 40m required for Water Tracking Mode 0 1 3 4 and 5 minutes 2 MEASUREMENTMODE 1 AUTOMATIC preset to Ground Tracking mode in measurable depth range and switched to Water Tracking mode out of measurable range for Ground Tracking 2 GROUND TRACKING fixed to Ground Tracking mode irrespective of depth 3 WATER TRACKING fixed to Water Tracking mode irrespective of depth 3 DISPLAY 1 DISPLAY DEVICE 12 high resolution color CRT AP 1 2 TEXT DISPLAY ITEM table form Ship s real speed Ship s course Tide speed Tide direction Depth of tide layer Total mileage Present time Ship s heading Xx X kt Xxx or 32 point notation x x kt for 3 layers Xxx or 32 point notation for 3 layers Xxx m for 3 layers XXXXX XXX nm h m x
8. UNLOCK Note 1 MENU SET FACTORY A v Knob lt q Knob CDPress key to store the settings and to close the menu window 2 Selection of reference depth data source for bottom search in ground tracking mode OFF internal E S depth data from external echo sounder 3 Shows beam number s being tested OFF Test off normal operation F1 Testing beam 1 F12 Testing beams 1 and 2 F13 Testing beams 1 and F23 Testing beams 2 and 3 4 Test method and test item selection switch See page 4 2 5 Simulation data selection for demonstration OFF for normal operation See note 3 below OClear zero the total mileage count Value in parentheses shows total mileage Calls time set or date set sub window 8 Lock unlock switch for all the protected preset items shown in red letters S Restore factory settings 4 4 1 Menu items shown red are protected or locked to prevent accidental change of setting To change the setting of a protected item follow the procedure below 1 Place the vertical cursor on the item by using knob and then turn knob clockwise by one step The following message appears MENU SELECT IS LOCKED SET TO UNLOCK UNLOCKED YES PRESS EVENT KEY TO ENTER 2 Turn 40 knob clockwise by step to select YES and then press the key 3 Place the horizontal cursor on desired position and press the key There is no o
9. range cursor ECHO LEVEL SECTION ECHO LEVEL nispiay ersan Aara NR Two presentation modes are available for echo level display The COLOR mode provides narrow echograms for three directions presenting echo strengths in color gradation Color sounder mode The GRAPH mode presents echo strengths of three beams with amplitude varying with depth A scope mode Echogram of beam 3 port Echogram of beam 1 fore History for last 5 minutes Echogram of beam 2 starboard Echo strength Depth mark of layer 1 Transmission pulse Depth mark of layer 2 P Depth mark of layer 3 Cursor for manual bottom acquisition See procedure below Echo strength Bottom echo Layers 1 2 and 3 Depth range Range selectable at RANGE menu Bottom echo COLOR GRADATION mode AMPLITUDE GRAPH mode Echo history for 5 minutes Realtime A scope When bottom echo 1s lost for a short while due to air bubbles or the equipment tends to track on false bottom try to acquire 1t manually 1 Set REF DEPTH to OFF in MENU 2 2 Select ground tracking mode by the key 3 Press the key for more than 1 second LED indicator aside the key lights and the manual tracking cursor appears in the echo level display 4 Turn lt p knob to place the cursor on the bottom echo MANUAL 5 When bottom echo is acquired press the key to return to the autom
10. the size speed and direction of tide vector change Note The depth must be at least 40 m in order to calculate tide 1 GENERAL 1 FEATURES The functions of CI 35 and CI 35H are same CI 35H is type approved by MOT Ministory of Transportation Even deep waters where ground bottom reference is not available acoustically the CI 35 35H can provide absolute movements of measuring layers by receiving position or speed data from GPS navigator and heading data from gyro compass It may be used on deep sea fishing boats or on ocean research vessels The CI 35 35H consists of three major units display unit transceiver unit and hull unit trans ducer each compact enough to permit installation even on a small boat Triple beam system for automatic error compensation against pitching and rolling of vessel Single mold transducer makes installation easy while maintaining mechanical beaming accu racy e Sounding frequency of 130 kHz provides high interference immunity from other acoustic equip ments Intelligent digital signal processing technique adds tracking stability and measuring ac curacy Echo level display always on screen Permits constant monitoring of signal conditions of three sounding beams Tide effect display plots movements of tides beneath the vessel s course track Helpful in esti mating three dimensional deformation of cast net e Tide history display presents c
11. COLOR GRAPH BACKGROUND NORMAL 1 v Knob 4 Knob CDPress key to store the settings and to erase the menu window Reference layer for tide differential measurements 3 Averaging time for tide display 0 to 5 min in 1 min steps Tide history sampling time interval 15 sec 1 min 5 min 10 min 30 min 1 hour Tide data of last 24 samples are kept in memory 5 Tide vector display on off switch for each layer 6 Tide differential vector display on off switch CDOn Off switches for drift scale display and ship s speed vector display in the vector graph section 8 To clear all event points and marks place cursor on ERASE and press key Number in parentheses indicates number of event points stored Presentation mode of echo level display COLOR Color sounder mode echo strengths in color gradation GRAPH A scope mode echo strength in amplitude varying with depth Background color Select according to local lighting conditions NORMAL Darkgreen 1 Darkblue 2 Gray 43 Darkgray 4 2 Raw tide data is obtainable every 3 sec Tide averaging time of 1 min means that averaged data for last one minute is displayed 1 min 1 PT Sec latest raw 3 Sec data The oldest data is 1 min Average data for this discarded period is displayed Note Averaging time of 0 min does not mean immediate display of raw data but average of 15 seconds If
12. E setto NAV TIDE mode cyclically M9 GT NAV AUTO Color represents tracking mode Green Ground tracking es Tracking mode and echo availability for last 2 minutes Flows leftward every 3 seconds Right most segment e Blue Water tracking mode Blue Nav aided mode latest status Blank section Reference echo lost Ground Tracking Mode Shows absolute ship and tide movements based on ground 1 Bottom echo required Water Tracking Mode Shows movements of ship and tide relative to near surface water Nav aided Mode Shows ship s movement measured by the external navigation equip ment and the tide movements based on the nav speed data Auto Tracking Mode Uses ground tracking mode when bottom echo is available Switches 72 to water tracking mode or nav aided mode when bottom echo is lost Bottom echo 15 continuously searched for and if re acquired the ground tracking mode is restored 1 Manual bottom acquisition is possible to disable unexpected bottom search when bottom echo 16 interrupted for a short period by air bubbles or to avoid tracking on bottom fish See page 2 2 to enable manual ground tracking 2 For efficient and reliable bottom search in the auto tracking mode depth data from an echo sounder can be used as a reference In this case EXT appears asa tracking mode identi fier See page 4 4 to enable external depth input 3 4 FUNDAMENTAL
13. Ground tracking speed Ship s speed and course relative to seabed fixed base Absolute speed Water tracking speed Ship s speed and course relative to water layer just below the Relative speed vessel floating base Nav aided speed Ship s speed and course obtained by external navigation Absolute speed equipment GPS GPS 9 A Nav aided speed Pseudo ground tracking speed Water tracking speed CO J Near surface layer Ground tracking speed o Base of measurement ZZ 1 2 Tide is movement of watermass at a particular depth To know absolute tide speed on ground the following two data are required 1 Ship s speed and course based on ground 2 Ship s speed and course based on measuring layer A Absolute tide is then given as a difference of these two speed vectors Absolute Tide 1 2 On Layer D o Base of measurement 22224 Fixed Nav Tide is an absolute movement of watermass at a particular depth taking speed information from the external navigator GPS as a pseudo ground tracking speed To calculate Nav tide the following two data are required 1 Ship s speed and course obtained by external navigation equipment GPS 2 Ship s speed and course based on measuring layer A Nav tide 1s then given as a difference of these two speed vectors Absolute Tide 1 2 GPS satellites CD Nav aided speed Pseudo ground tracking speed
14. MODE GT CRS CAL EXEC START Note 8 L TIDE OUT INT 15sec v Knob 4 Knob CDPress key to store validate the settings and to close the menu window Selection of date time display by internal clock CI 35 35H or external navigator s clock GPS S Selection of tracking mode when ground tracking unattainable water tracking or nav aided 4 Selection of communication data format with external navigator Furuno CIF NMEAO0183 5 Selection of source navigator to receive spd pos data 6 Selection of source data for ship s speed direction display in nav aided mode Averaging time for converting position change into speed data 1 to 10 min in 1 min steps effective only when selected L L as NAV DATA above 8 Selection of method for automatic cource calibration calculation and calibration mode to use GT Calculates course calibration angle to equalize ground tracking course to that of external navigator after 2 mile run NAV Calculates course calibration angle to equalize tides before and after 10 minute period MAN Calculates course by using value entered manually in MENU 3 COURSE CALIB 9 Used to calculate course calibration angle if is selected in CRS CAL MODE adove Press EVENT key to start d0Selection of data output interval 15sec 30sec 1min 2min 5min or 10min 4 8 TIME DATA INT Displays date time of internal clock in Cl 35 35H Time setting must be done manually in MEN
15. acquired Selects tide measuring depth for the layer LYR d EE LYR Set desired depth Color of depth Press any key to appears in value store the depth green NOTE If BTM TIDE is set to ON in MENU 3 the depth of layer 3 is automatically adjusted to near bottom depth appears instead of depth value Calls ALARM menu to set alarm conditions for various items b Tide speed direction e Tide dif speed direction 4 11 e Ship speed bearing e Trip time distance 19 Calls RANGE menu to set range scales for various items Pb Vector speed range e Course plot depth range 5 4 10 e Echo level depth range Echo strength gradation range Calls basic MENU for various fundamental settings MENU 5 Sub menus MENU 1 thru MENU 4 are available See page 4 1 17 e Sets value or specifies mode option for a selected item in menu window Related to keys 2 to 16 Used to set ship s heading manually when external heading data is not available e Selects an item in a menu window Related to keys 2 to 46 e Adjusts radius of range cursor variable range marker on the vector display Distance to the ring appears at the upper left part of the vector display 2 3 3 OPERATING PROCEDURE SUBJECT PURPOSE OPERATON ACTION Ee 2 Display briliance adjustment brilliance adjustment Turn BRILLIANCE control CW BRILLIANCE contol C
16. in question So the direction of water speed vector 2 1s con verted to true bearing north reference by using the gyro data and then the tide vector is calculated If the gyro data contains some error the true bear ing of the water speed vector changes rotates ac cordingly While the bearing of the nav speed vector does not change with the gyro error The relative angle of these two changes In other words the tide vector given as a differ ence of these two speed vectors changes in size speed and bearing by the gyro error Error in size and bearing mean the tide vector is unreliable and useless You may now realize that the gyro data in nav aided mode is very important and it has to be accurate enough for reliable tide data To obtain dependable tide tide differential data it is desirable to reduce the gyro error below 1 de gree True bearing of ship s bow ref north 04 Gyro reading True bearing of nav speed ref north 0w Direction of water speed ref bow True north A 3 Gyro reading Ship s bow OH gw T eed 2 Water speed p vector s DNav speed Pd vector Tide Vector Without gyro error 3 Gyro reading Ship s bow True north A 4 2Water speed vector vector Tide Vector With gyro error Relative angle of water speed vector and nav speed vector changes with gyro error Accordingly
17. invalid Alarm zone settings are preserved but they do not trip the alarm 4 After entering the alarm alarm zone press the key to store the settings and to close the alarm menu window 5 When the conditions of an alarm are breached with ship s movement or tide movement the alarm message starts blinking at the bottom part of the display If the audible alarm is enabled for that item the alarm sounds To cease the audible alarm call the alarm menu and disable OFF the audible alarm 0 or make the alarm setting invalid 3c To mute the audible alarm temporarily turn the VOLUME control counter clockwise 4 13 Alarm Priority Alarm priority is in the order as listed the Alarm menu ALARM SET lO PAYER eene Highest priority 2ND LAYER SHIP SPEED Sessa Lowest priority If multiple alarm conditions are violated alarm having the highest priority 1s presented as a visual alarm at the bottom of the display There is no priority for the audible alarm the alarm is released whenever an alarm parameter is violated ALARM FOR TRIP DISTANCE AND TRIP TIME Two basic functions are included in the alarm facility Generates the alarm when preset trip time or trip distance 1s reached Measures distance run for a certain preset period or to count time elapsed to run a certain preset distance Procedure 1 In the ala
18. mode of vector course plot display between north up and head up Heading line white broken radial appears when north up mode is selected Clears and starts trip time or trip distance count Changes tracking mode cyclically MENU 4 WT SPEED T D WT AUTO 1 Select T D or NAV TIDE in MENU 4 WT SPEED C2 1 3 AUTO 22 1 3 reference TIDE Presents tide difference information at upper right section of the DIF display 16 event marks maximum Alternative selection Sampling time interval of tide history can be selected at MENU 1 North up modes requires external heading data To select trip time or trip distance display set alarm distance limit or time limit at the ALARM menu to switch between WT and NAV mode MENU 4 WT SPEED NAV TIDE 2 MAN appears when tracking ground manually 8 EXT appears when taking external depth data as MANUAL Enables manual bottom acquisition in ground tracking mode PREPARATION 1 In MENU 2 set REF DEPTH to OFF 2 Select ground tracking mode MANUAL BOTTOM ACQUISITION 3 Press and hold key until LED lamp on the left of the key lights Mode display should change from GT to MAN 4 Turn lt gt knob to place manual acquisition cursor on the bottom echo in the echo level display 5 Press key again when bottom echo is
19. operation Press and release each key to see if it is making 1 and breaking 0 correctly Also turn and P knobs to see if the step count changes from 0 to 63 CW count up CCW count down To terminate the PANEL test press the key PANEL TEST TIDE EFT EVENT DRIFT CRS PLOT TIDE DIF HISTORY TRIP HU NU MODE MAN TRK ALARM LAYER 1 RANGE LAYER 2 MENU LAYER 3 KNOB KNOB lt p 0 4 END MENU KEY ECHO The ECHO test displays echograms for three transducer beams This lets the service technician check the transmitter receiver for proper operation The following key and knobs function to change receiving conditions KEY KNOB FUNCTION TVG setting ON OFF Depth range selection Echo strength receiver gain To terminate the ECHO check press the key The CI 35 35H restarts in the same condition as if it is switched on 5 3 2 ERROR INDICATION If the unit detects abnormal operation in the transceiver unit it displays a blinking message and a three digit error code and releases the audible alarm Error indication will not interrupt the opera tion of the equipment The error codes and the corresponding status are tabulated below If multiple items are in error only the latest error code appears ERROR CODE ERROR STATUS CHECK ITEM Abnormal main s input voltage 001 Overheated transducer 002 Abnormal TX high voltage 003 004 005 Abnormal TX voltage for beam 3 Abno
20. value or option Press the If it is OFF normal selection of measuring depth key to store new setting s is attainable for the layer 3 As noted previously you can unlock all pro tected items Beware however that change COURSE CALIB of setting may adversely affect equipment performance Caution before changing any If course indication by ground tracking mode differs setting from that of navigator GPS even with a correct bearing calibration enter the course calibration angle HEEL ANGLE Course calibration angle entered here will be in effect only when CRS CAL is set to MAN in MENU 4 Port The way to automatically calculate and enter calibration angle is provided in MENU4 See CRS CAL EXEC on the next page Enter minus value if the boat and transducer face is inclined to port side Course by GT Course by external mode of 35 35 navigator GPS TRIM ANGLE Enter minus value if the boat and transducer face is inclined to fore side If course Indication by Cl 35 35H is deviated to clockwise direction enter calibration angle with minus sign 4 7 MENU 4 KNOB ITEM KNOB SETUP Jan 15 1997 END MENU KEY MENU MODE MENU1 MENU MENU3 MENU4 Note 1 TIME DATA INT EXT Note 2 WT SPEED UD NAV TIDE Note 3 NAV FORMAT NMEA Note 4 NAV AID GPS LORAN C DECCA DR LORAN A Note 5 NAV DATA LL Note 6 TIME INT Note 7 CRS CAL
21. DATA SECTION E H RO H Status display When a source data for calculation and display seems to be abnormal the following error indica tion appears on the display This is to alert the operator not to rely on the related data No data from the Transceiver Unit No reference data for ship s speed Red block mark above kt kt in red box 1 2 SPEED COURSE MODE COMPASS 123 MSE es 13551 BH 17 41 00 DEP TIDE DIRECTION TRIP de XN Ru 30 8 NW Dog X05 NE c e t depth setting D E Re depth indication in red No echo from the layer kt in red box 1 If data is not received from the Transceiver Unit a red square mark appears above kt in the SPEED display frame As display data are not updated do not rely on any data 2 lfthe reference data for ship s speed measurement 15 missing the kt the SPEED frame 15 enclosed in a red box That is no ground echo in the ground tracking mode no reference water echo in the water tracking mode or no speed position data the nav aided mode Do not rely on the ship s speed course and all tide speed direction display 3 Ifecho from a particular layer is too weak the unit denotes it by circumscribing kt in the TIDE frame in red Do not rely on the tide speed direction of the layer 4 If an invalid measuring depth is set the depth value for the layer appears in red Measuring depth of shallower than 13 meters or deeper t
22. E 2 4 CHAPTER 3 DISPLAY 3 1 to 3 18 Te DISPLAY SAMPLES 3 1 2 HOW sce 3 2 FUNDAMENTAL DATA SECTION 2 2 1 3 3 to 3 8 SHIP S SPEED COURSE Display 3 3 TRACKING MODE Display 3 4 ERROR le US DISA Y 3 5 TIDE SPEED DIREC HON Display 3 6 PRESENT TME DISDISV 3 8 TESP TIMEJISTANGE tao bre honos 3 8 DRIFT TIDE DIF SECTION 2 3 9 BIOL Es 3 9 TIDE DIFFERENTIAL Display 3 9 TIDE VECTOR COURSE PLOT SECTION TIDE VECTOR Display TIDE HISTORY Display COURSE PLOT Display TIDE EFFECT Display DRIFT Display HEAD UP NORTH UP Presentation RANGE CURSOR ECHO LEVEL SECTION ECHO LEVEL Display MISCELLANEOUS DATA WATER TEMPERATURE Display MISCELLANEOUS DATA Display CHAPTER 4 SETTING OPERATING CONDITIONS 1 BASIC MENU 2 RANGE SET MENU 3 ALARM SET MENU CHAPTER 5 TROUBLESHOOTING 1 SELF CHECK 2 ERROR INDICATION 3 BATTERY SPECIFICATION AP 1 to AP 5 TABLES FOR RECORDING USER PRESETS CI 30 35H provides menus to preset various measuring and display conditions to customize the equipment precisely for your operating conditions The form below is provided to record user presets so they can be restored in the event of loss by misoperatio
23. ENT This alarm is for alerting you to change in speed and direction of tide tide dif ship s movement Alarm range not set factory default Alarm range zone is preset but alarm function is inactive Alarm function is active Audible alarm is disabled Speaker OFF 0 Audible alarm is enabled Speaker ON ALARM SET KNOB ITEM KNOB SETUP ON OFF EXEC EVENT END ALARM 1ST LAYER SPD 2ND LAYER SPD DIR pis DIR 3RD LAYER SPD DIR Note 1 SHALLOW T D SPD DEEP T D SPD X SHIP SPEED SPD 2 p TRIP DIST Jn Note 1 SHALLOW T D Tide difference between base layer and the shallower of the other two lay ers DEEP T D Tide difference between base layer and the deeper of the other two layers REF LAYER SHALLOW T D DEEP T D 1 3 pot ea ALARM settin rocedure 1 Call ALARM SET menu by pressing the key 2 By the lt q knob knob place the vertical cursor the desired item then select an option item by the 3 Press the key The subsequent action depends on the location of the horizontal cursor 1 When the horizontal cursor is on a speaker mark the key functions to turn the audible alarm OFF 117 or ON Q Note that the audible alarm sounds for the items with a filled star mark x beside them EVENT gt Ar A Audible Alarm Audible Alarm OFF
24. FURUNO OPERATOR S MANUAL DOPPLER SONAR CURRENT INDICATOR MopEL 35 35 p FURUNO ELECTRIC CO LTD NISHINOMIYA JAPAN FURUNO ELECTRIC CO LTD Your Local Agent Dealer 9 52 Ashihara cho Nishinomiya Japan Telephone 0798 65 2111 Telefax 0798 65 4200 All rights reserved m Printed in Japan FIRST EDITION FEB 1997 MAY 13 2002 MD TL TATA Cl 35 35H 00080797601 OME72440C00 A SAFETY INSTRUCTIONS DANGER WARNING and CAUTION notices appear throughout this manual It is the responsibility of the operator of the equipment to read understand and follow these no tices If you have any questions regarding these safety instructions please contact a FURUNO agent or dealer This notice indicates a potentially hazardous situation which if not avoided will result in death or serious injury This notice indicates a potentially hazardous situation which if not WAR N NG avoided could result in death or serious injury This notice indicates a potentially hazardous situation which if not CA U TI O N avoided could result in minor or moderate injury or property damage A WARNING Do not open the cover of the equipment This equipment uses high voltage electricity which can shock burn or cause death Only qualified personnel should work inside the equipment Do not disassemble or modify the equipment Fire electrical shock or seri
25. IDE DIRECTION TRIP al 08 GN 45 Measuring depth of the layer Layer 1 Yellow Layer 2 Purple Layer Lightblue Note Tide speed direction display is updated every 3 seconds The display is not raw data for every 3 seconds but averaged for specified averaging time See page 4 2 to set averaging time for tide display 3 6 Ground Tracking Mode Ship s movement based on ground depth Tide movement of layer 1 Tide movement of layer 2 Tide movement of layer 3 dia Layer 3 Seabed 2 FUNDAMENTAL DATA SECTION Water Tracking Mode Ship s movement relative to surface water Measuring Surface Layer Reference layer Tide movement of Layer 1 layer 1 relative to surface water Layer 2 Tide movement of layer 2 relative to surface water Tide movement of layer 3 relative to surface water Nav aided Mode Ship s movement measured by using satellies Base on ground Tide movement of layer 1 Tide movement of layer 2 Tide movement of layer 3 GPS Satellies LN Layer 1 Layer 2 Layer 3 3 7 FUNDAMENTAL DATA SECTION PRESENT TIME Display SPEED COURSE MODE COMPASS 12 3 SE 135 eyo TIDE DIRECTION i42 resent imo OB NW 320 0 5 Ki AR Refer to pa
26. M Acidi Without gyro error True north g The heading data by gyro 3 is used after the tide vector calculation just to express the vector direc E Sup s bow tions in true bearings north referenced d 2 Water speed e i vector Even if the gyro data contains error the sizes and Pe DGround speed relative angles of vectors do not change The gyro vector error only affects the bearing indication of each vec tor Tide Vector With gyro error True bearing of each speed vector contains fixed error But their sizes and relative angles are maintained despite the gyro error Tide Calculation in Nav Aided Mode In nav aided mode the CI 35 35H derives tide information from the following data 1 Ship s speed course sensed by the external navigator GPS nav speed pseudo ground speed 2 Ship s speed course based on target layer water speed 3 Bearing of ship s bow Heading by gyro Here nav speed 1 is the ship s speed vector sensed by the external navigator and the moving direc tion 1s expressed with respect to true north While the water speed 2 16 the ship s speed vec tor measured by CI 35 35H using the Doppler shifts against the measuring layer and accordingly its di rection is expressed with respect to the ship s bow As the directional reference of these two vectors are different north vs ship s bow we can not sim ply calculate the difference of vectors to obtain the tide vector
27. NU MODE MENU1 REF DEPTH BEAM TEST SELF CHECK DEMO DATA TRIP RESET DATE TIME MENU SELECT MENU SET and lt p knobs lt gt KNOB SETUP END MENU KEY MENU2 MENU3 MENU4 E S OFF SINGLE CONT OFF DP3 4 RESET 0 00 TIME DATE LOCK UNLOCK FACTORY KNOB ITEM PANEL LOG10 ECHO 5 1 Place the item cursor on SELF CHECK by the 5 knob and then press the key As this item is protected locked the following alert appears MENU SELECT IS LOCKED SET TO UNLOCK UNLOCKED NO PRESS EVENT KEY TO ENTER Select YES by the P knob and press the key The color of SELF CHECK turns green to show the item is unlocked Select a check option SINGLE CONTI PANEL or ECHO by the key and then press the key to start the self check SINGLE single cycle The SINGLE test executes the system check for one cycle displaying the test result for each item checked Items checked ROM RAM and boards for the Display unit and the Transceiver unit Echo strengths from three transducers are also displayed in the ECHO LEVEL frame SYSTEM CHECK If abnormal some error number should remain See the table on page 4 5 to identify the cause of error CONTI continuous repeat The CONTI test executes the system check repeatedly To escape press the key 5 2 PANEL The PANEL test checks the front panel keys and controls for proper
28. SO RH without condensation 12 POWER SUPPLY Main s input 100 110 115 220 230VAC 50 60Hz 1 Power consumption 100 240 VDC 3 0 1 25 A 13 COATING COLOR Display unit Front panel Munsell N1 5 Newtone NO 5 not changed Cover plate Munsell 2 5GY5 1 5 standard or 2 5G7 2 Transceiver Unit Munsell 2 5GY5 1 5 standard or 2 5G7 2 Junction Box Munsell 2 5G7 2 not changed AP 4 14 DISTRIBUTION BOX DS 370 1 Input Signal TTL level 2 Output Signal 1 OTX board 2 ODD board 3 OAD board 4 OLG board 5 OAC board 6 OAV board Digital speed signal Log signal 400p nm Alarm signal Power on off signal The following output boards are selective 7 boards max Serial Signal for DS 350 351 Digital Indicator BCD serial signal for MF11D LCD spec only MF 22D DS 720 DS 370 DS 377 digital display Analog current signal for Analog Display 1 port 1 board 2 5mA to 10 0mA 10kt to 40kt or 3 33mA to 10 0mA 10kt to 30kt For Distance Indicator 1 port 1 board and 200 400 p nm signal 30V 0 2A or RS 422 current loop signal Ship s speed current voltage signal 1 port 1 board Current signal 4 0mA to 20 0mA 10kt to max speed max imped ance 250 ohms Ship s speed voltage signal 1 port 1 board Voltage signal 2 50V to 10 0V 10kt to 40kt 3 33V to 10 0V 10kt to 30kt 4 00V to 10 0V 10kt to 25kt 5 00V to 10 0V 10kt to 20kt max impedance 1 kohm Fore aft stat
29. TIDE VECTOR COURSE PLOT SECTION Example of tide effect plotting Tide of layer 2 Tide of layer 1 Buoy track P 471 d 4 reset Buoy track of layer 2 4 t 3 14 Casting the first virtual buoys at point vessel made 1 4 of a circle and reached point Assume that each buoy moves on each layer keep ing the same speed and di rection as at time of measurement As time passes the first buoys should move as lows gt gt 2 gt 23 Layer 1 ddl d2 gt d3 Layer 2 If the above situation is pre sented in the head up mode the display will change as shown right If there is no tidal move ment the ship s course and the buoy tracks will coin cide If all layers are moving at the same speed and direc tion buoy tracks of all lay ers should coincide Display Head up Current Ship s position always at screen center Buoy track of layer 1 Buoy track of layer 2 TIDE VECTOR COURSE PLOT SECTION DRI Switched and Display in MENU 1 Lateral speed drift LAN True course Leeway Heading line Screen top is always ship s heading direction No heading line Heading line Bow mark RANG E CU RSOR Variable Range Marker DIST NM Range cursor green ring Distance from ship Th v knob adjusts the radius of the to range cursor
30. U 2 DATE TIME Time increments in every one second EXT Displays date time received from external navigator Generally time is more accurate than internal clock but it may not increment in one every second WT SPEED T D Displays ship s speed tide and tide dif by using data obtained by Cl 35 35H alone With T D selected pressing TRACK MODE key changes GT WT AUTO NAV TIDE Displays ship s speed tide and tide dif by referring to the data from external navigator With NAV TIDE selected pressing TRACK MODE key changes GT NAV AUTO NAV FORMAT CIF Furuno CIF format It is desirable to use this format to get most accurate nav tide NMEA World standard format Select this format only when CIF is not available This may not provide accurate nav tide because of its longer update interval NAV AID Selects a data source talker if multiple nav aids are connected e Select GPS if available Degraded performance with the other nav aids e With NAV DTA set to ALL Cl 35 35H automatically selects a highest priority talker available Priority GPS gt Loran C gt Decca gt DR Satnav gt NAV DATA Selects sourse data for pseudo ground tracking speed L L Calculates speed course internally from position data change Averaging time interval can be set in TIME INT SPD Takes speed course data from external navigator as they are Select SPD if
31. W Bright COW Dark 0000 CCW Dark Setting measuring depth e Press Bd and turn e knob to set depth After setting press any key Selecting tracking mode e Tap key to select tracking mode GT WT AUTO or GT NAV AUTO Use ground tracking mode if water depth is shallower than 200m Select T D or NAV TIDE in MENU 4 WT SPEED to switch between WT and NAV mode Reacquiring of temporarily e Press and hold key until MAN appears instead of GT lost ground echo LED to the left of this key lights Manual bottom acquisition e While watching echo level display turn e knob to place acquisition cursor on the bottom echo e Press key when bottom acquisition is completed Changing presentation mode Press key to alternate Head up mode and North up for vector graph display mode Setting ranges e Press key to call range menu e Speed range for tide e Set desired range by O and e knobs vector display e Press key again to store the setting e Distance range for course plot display e Depth range for echo level display e Color gradation level for echo level display Setting conditions for e Press key measurements and displays Set desired condition by knobs and even key e Press key again to store the settings Setting alarm limits e Press key to call alarm menu i 4 e Ships speed course e Set desired alarm conditions by 0 O knobs and key e Tide speed direct
32. atic ground tracking mode Do not leave the equipment in the manual tracking mode Manual tracking cursor Bottom echo 3 16 MISCELLANEOUS DATA WATER TEMPERATURE bisplay Temperature data from external equipment required You can switch the temperature display on and off in MENU 1 Time scale Span 17 min 30 sec Temperature range Range width is fixed for 5 C It is shifted automatically to bring present temperature near center of the scale Present water temperature 3 17 MISCELLANEOUS MISCELLAN EOUS DATA Display Tide Averaging Time Total Mileage Display Range You can change the unit of distance range to km by an internal DIP switch Refer to installation manual Speed range bmi limit of vector bars Range selectable in RANGE menu See page 4 10 AVERAGE 15sec Tide data averaging time Averaging time selectable in MENU1 Distance range prion from center to outermost ring Distance from center to range cursor green See page 4 2 Range ring 5 Number of rings changes with range NM 99999 99 Total mileage count 0 01 NM steps To reset count zero See page 4 4 3 18 4 SETTING OPERATING CONDITIONS The CI 35 35H has three menus which you can preset various conditions for measurements and presentations basic menu range menu and alarm menu G
33. by its own sounding internal E S Bottom search by using depth data from external echo sounder as a reference 1 3 44 N E ww Tracking mode ID will be EXT instead of 3 4 i NE GT pie ONES BE c ERR bottom part of the display Error number 103 LOG10 100 ee If external depth data is not available despite the selection of E S an alert message appear on the 4 5 MENU 3 NOTE 1 MENU 3 KNOB ITEM lt P KNOB SETUP Jan 15 1997 END MENU KEY MENU MODE MENU 1 _ MENU2 MENU4 SHIP SPD AVR 15sec DRAFT WT SPD DEPTH Note 2 HEEL ANGLE Note 3 TRIM ANGLE GT SPD CALIB WT SPD CALIB Note 4 BEARNG CALIB Note 6 COURSE CALIB EXT KP1 DIST EXT KP2 DIST Note 5 BIM TIDE TRK Knob Knob CDPress key to store validate the settings and to close the menu window 2 Averaging time for ship speed course display 15 30 60 90 sec 3 Draft level i e depth of transducer from sea surface 0 0 to 25 6m 4 Reference depth to measure ship s speed in water tracking mode 2 0 to 25 6 m 5 Lateral port starboard inclination angle 12 8 to 12 79 starboard high port high 6 Fore aft inclination angle 12 8 to 12 7 aft high fore high Ship speed offset in ground tracking mode 8 Ship speed offset in water tracking mode 9 offset angle of transducer 12 8 to 12 7 transduce
34. connected with GPS TIME INT If L L is selected as NAV DATA specify averaging time interval in TIME INT 1to 10 min in 1 min steps Longer interval eliminates display fluctuation of speed and tide but the response becomes slower 1 min will be suitable to work with GPS CRS CAL MODE CRS CAL EXEC Automatic Course Calibration Procedures e GT mode if ground tracking attainable 1 Select GT mode by TRACK MODE key 2 Set CRS MODE to GT 3 Run at around 10 kt keeping same direction 4 Set cursor on CRS CAL EXEC START and press EVENT key calibration start Course calibration will be completed after you run 2 e NAV mode if ground tracking unattainable 1 Select NAV mode by TRACK MODE key 2 Set CRS CAL MODE to NAV 3 Run at around 10 kt keeping same direction 4 Set cursor to CRS CAL EXEC START and press EVENT key calibration start 5 When you have run for 5 minutes turn your head by 180 and return to the start point Course calibration will be completed after you run 10 minutes to go and return TIDE OUT INT Loran A Specify data output interval if a data logging device is connected to AUX port of the transceiver Note that the CIF and NMEA data output intervals are not affected by this setting 4 9 2 RANGE SET MENU 2 Distance range bes course 1 Speed range ispl display For speed vector graph 3 Depth range
35. ements virtual ground Therefore the ship and tide speeds in the water tracking mode are not absolute but relative to this near surface layer Vw 9 kt Ship s speed based on near surface layer 8 kt Ship s speed based on layer A Vwb 5 kt Ship s speed based on layer B 10 NM 1 hour trip Start of End of Layer A o Base of measurement Assume that the ship and all measuring layers are moving in the same direciton but at different speeds 5 kt 1 7 Tide differential calculations water tracking mode Tide speeds of layer A C1 and layer B C2 relative to near surface layer Vw are calculated as follows DI Vw Vwa Speed of layer A based on near surface layer D2 Vw Vwb Speed of layer B based on near surface layer The tide differential Dd between layers A and layer B is Dd D2 DI Vw Vwb Vw Vwa l l l Vege Vwb Tide differential based on layer A 8 5 Speed of layer B viewed from 3 kt pe A or Dd DI D2 Vw Vwa Vw Vwb Vwa Vwb Tide differential based on layer B 5 9 Speed of layer viewed from 3 kt aye B If you compare the results of calculations on this page with the ones on preceding pages you will find the tide differential of two layers is identical irrespective of tracking mode 1 8 2 OPERATION 1 CONTROL PANEL LAYOUT Control panel 9 D 3 6 5 7 9 DEGAUSS butt
36. eneral Rules for Menu Selection Main item selection Turn knob e CW to move cursor upward e CCW to move cursor downward MENU 1 KNOB ITEM Jan 15 1997 MENU MODE MENU MENU REF TIDE DIF LAYEFN LAYER lll Mode option selection Turn 4 gt Knob e CW to move cursor right e CCW to move cursor left Value setting Turn 4 gt Knob e CW to increment Value e CCW to decrement value Validating settings and terminating menu Press 1 BASIC MENU Pressing the key calls the basic menu window on the display The basic menu contains four pages of menus called MENU 1 MENU 2 MENU 3 and MENU 4 Important items 1n the menus appear in red to show that they are locked protected to prevent accidental change of settings To select another menu page in the basic menu place cursor on MENU MODE MENU n by using and lt p knobs MENU 1 KNOB KNOB SETUP Jan 15 1997 END MENU KEY pomme Lm Em me m pomme eem re enm p morc E E E Option cursor Item cursor 4 1 MENU 17 KNOB ITEM KNOB SETUP Jan 15 1997 END MENU KEY MENU MODE MENU MENU2 MENU3 MENU4 REF TIDE DIF LAYER1 LAYER2 LAYER3 TIDE AVERAGE 2min TIDE HISTORY 15 sec LAYER ON OFF LAYER2 JON OFF LAYER3 ON OFF TIDE DIF DSP JON OFF DRIFT DSP DRIFT SPEED OFF EVENT ERASE 0 TEMP DSP ON OFF ECHO LEV DSP
37. estimating three dimensional deformation of cast net by the effect of tides at different depths Notice that display merely shows movements of layers it does not show true net shape in the water Assume that you put drifting marks virtual buoys on the net at each layer below the ves sel at an interval of six seconds Layer 1 YEL Virtual Layer 2 PPL buoys As the marks move with the tides keeping the Layer 3 L BLU same speeds and directions a series of marks makes a brief section shape of the net at the layer 9 e e Layer 1 556256966652 905605 65626 R22 6 25 25 29 CE EA La er 2 9 0 SRK EK KK SORRY ROKK KKK KKO KS 5 SEK KKK KRY ERNE KKK EY 555560560056 lt x OW 209 Layer 3 ROKK 55525550 XXX Virtual In practice a net does not sink immediately m lt because of various tensions and stresses placed on it Thus use the tide effect information only as a reference Interval 10 minutes 6 sec Buoy track of layer 1 YEL Buoy track of layer 2 PPL Buoy track of layer 3 L BLU 2 E Ship s course track WHT Cast mark Start of tide effect plot i ies TIDE To start tide effect plotting press the key TIDE To stop plotting and to clear traces press the key again 3 13
38. ge 4 4 to set date time of the internal clock MENU 2 DATE TIME It is possible to display time data received from the external navigation equipment instead of the internal clock However the time display may not increment every one second since the time update depends on the incoming data interval Refer to page 4 8 to use the external clock Set MENU 4 TIME DATA to Date 15 not displayed in the standard screen but on top line in the MENU window TRIP TIME DISTANCE The TRIP function is used to measure distance run in a certain time or time elapsed to run a certain distance It is also possible to cause audible and visible alarm when a certain time limit or distance limit is reached To set time limit or distance limit call ALARM menu by the key and enter desired values in the TRIP option See page 4 15 Note that the time limit setting provides trip distance on the TRIP window and the distance limit setting provides trip time display Time and distance are interlocked To start trip count press the key The count increments as vessel moves or as time elapses Distance limit set to 1 nm TRIP 1nm 00 05 32 NL LUZ When time limit or distance limit 1s reached Time elapsed counting is stopped the distance or time count Count c 5 s 2 sec in the TRIP window turns red and the audible alarm if enabled sounds 3 8 DRIFT TIDE DIF SECTION SET amp DRIFT Display
39. han 3 4 of seabed depth is regarded as invalid depths 3 5 FUNDAMENTAL DATA SECTION DE SPEED DI RECTION Display text Tide speeds directions of three layers are displayed below the ship s speed course Depending on the tracking mode in use the meaning of speed direction changes as follows In the ground tracking mode speed direction values represent movement of the layer rela tive to ground Ground based tide Absolute tide In the water tracking mode speed direction values represent movement of the layer relative to near surface water Strictly speaking they do not represent tide but tide differential Sur face based tide Relative tide In the nav aided mode speed direction values represent movement of the layer relative to pseudo ground Ground based tide Absolute tide Note that accurate ship s speed course and heading information must be applied to CI 35 35H to obtain reliable tide data To set measuring depth of tide Select layer b Eus key and turn knob to see desired depth yer Dy 1 LYR 2 LYR 3 Depth value of the selected layer appears is green Press the same key again when Tide speed in knots Tide direction in degree and in 32 point notation Locations of degree and notation swapped 5 1 desired depth is SPEED ODUR MODE COMPASS set The depth 270 0 value will return to 17 41 00 white DEP T
40. hange of tide over last 24 sample points 24 hours maximum Raw data output port provided for collecting and analyzing current data on a separate computer Note When transmitting with the external transmission pulse KP taken from an external device echosounder sonar etc the repetition rate of the KP should be more than 500 ms The repetition rate may become shorter than 500 ms when the range setting on the external device is less than 100 m Therefore set the range on the external device to more than 100 m 1 1 2 PRINCIPLE OF MEASUREMENT When a moving vessel emits an acoustical pulse into the water at an angle a portion of emitted energy 15 reflected from the seabed and other microscopic objects in the sound path such as plank ton or air bubbles The frequency of the received signal is shifted from the transmitted frequency in proportion to relative velocity between the vessel and underwater reflecting objects This 1s called Doppler Effect The CI 35 35H calculates and displays movements of ship and currents at specific depths by mea suring Doppler shifts obtained from three separate directions XN Frequency of reflected signal is shifted in proportion to relative speed between the vessel and reflecting objects Planktonic layer Seabed N Ship s Speed Here speed 1s a vector value including velocity and direction Depending on the base of measurement ship s speed is expressed in two ways
41. ide can be calculated by simply replacing Vg with Vn in the above equation 1 5 Tide Differential Tide differential is a relative movement of tides at different depths It can be measured in the ground tracking water tracking and nav aided modes 10 NM 1 hour trip Start End of trip trip Moving o Base of measurement Laer B md Moving 2kt 5 kt Assuming that the ship layer A and layer B are moving in the same direction and ship s speeds based on layer A Vwa and on layer B Vwb are measured as 8 kt Ship s speed based on layer Vwb 5 kt Ship s speed based on layer B Tide differential calculations in ground tracking mode As an absolute ship s speed Vg is available in the ground tracking mode tide speeds of layer A C1 and layer B C2 based on ground are calculated as follows Cl Vg Vwa Speed of layer A based on ground C2 Vg Vwb Speed of layer B based on ground Thus the tide differential Cd between layer A and layer B is Cd 2 Vg Vwb Vg Vwa Vwa Vwb Tide differential based on layer A 8 5 Speed of layer B viewed from 3 kt m A Or 1 6 Cd 2 Vg Vwa Vg Vwb Vwb Vwa Tide differential based on layer B 5 8 Speed of layer A viewed from 3 kt poe B In the water tracking mode watermass just below the transducer near surface layer is taken as the base of all measur
42. ion Press aarm key again to store the settings e Tide dif speed direction e rip time distance Plotting event mark Storing present position 11 Starting and stopping tide Press ko Hs effect plotting 12 Switching course plot e Press COURSE key display on and off y e While pressing and holding down key press key 2 4 e Press EVENT EVENT key CHAPTER 3 DISPLAY 1 DISPLAY SAMPLES Sample 1 Ground Tracking Mode Ground echo available GRN Tide Differential Display Based on layer 1 Tide Vector Display North up mode Ship s speed vector GRN Layer 1 tide vector YEL Layer 2 tide vector PPL Layer 1 tide vector L BLU Tide dif vector 1 2 YEL PPL Tide dif vector 1 3 YEL L BLU Fixed Range Ring s WHT ring Range Cursor VRM GRN ring LITE ron sample 2 Auto Tracking Mode Ground tracking GRN Nav aided GPS BLU Drift Display Set Deviation of true course from ship s heading Drift Lateral speed Tide Vector Course Plot Tide Effect Display Head up mode Ship s course track WHT line Tide effect traces Colored dotted lines Start of tide effect plotting Event mark 3 1 2 HOW TO READ THE DISPLAY The display screen of the CI 35 35H 15 roughly divided into five sections as shown below What is displayed in each section and how to use it 1s described on the following pages
43. irection mark of the shallowest layer appear Ground Tracking Mode Water Tracking Mode Nav aided Mode See page 3 6 See page 3 6 See page 3 6 Helative tide movement of SED Absolute tide movement layer 1 based on surface Absolute tide movement of of layer 1 layer layer 1 nav tide Helative tide movement of PED Absolute tide movement layer 2 based on surface Absolute tide movement of of layer 2 layer layer 2 nav tide Helative tide movement of 1 Absolute tide movement layer 3 based on surface Absolute tide movement of of layer 3 layer layer 3 nav tide Tide differentials between a specified reference layer and the other two layers Ex Ref Layer 2 Ref layer Measuring layer Left half Right half 3 10 TIDE VECTOR COURSE PLOT SECTION TIDE HISTO RY Display The CI 35 35H can hold last 24 tide samples collected at a time interval of 15 sec 1 min 5 min 10 min 30 min or hour The tide history presents variation of these tide information with a string of round marks That is distance from the graphic center to a mark represents tide speed at the sample time and the direction from the center to a mark represents tide direction The figure below can be interpreted that the tide has changed from SW to NE opposite direction To call the tide history display press the History key The tide history of layers activated in MENU 1 LAYER n are displayed The figure below shows history of only one laye
44. last 24 sampling points are presented on one screen 24 hours max Simulated movements of tide layers along the ship s track Display switchable on off Optional text display available when external data source is connected Water temperature Water temperature graph covering the 17 5 minutes is dis played External temperature data input required 4 1 SHIP SPEED 2 TIDE SPEED 3 DIRECTION 5 TRACKING SPEED 1 SHIP SPEED 2 TIDE SPEED 1 or 0 1 kt 2 or t 0 2 kt 3 5 depending on sea condition Less than 40 sec Less than 60 sec 6 SOUNDING FREQUENCY 130kHz approx T DATA INPUT 1 HEADING DATA Clocked serial CAD Sete e eoe EE Ich 2 KEYING PULSE for interference rejection Current loop signal 2ch 3 MISCELLANEOUSSerial IEC1162 equivallent to NMEAO183 Ich Heading HDT HDM HCD RCC Depth DBS DBT DBK W temp MTW 8 DATA OUTPUT 1 LOG SIGNAL 200 pulses nm 400 pulses nm 2 EXTERNAL ALARM 3 MISCELLANEOUS Date time S ZDA ZLZ ZZU any talker Contact signal forward 1 21 2ch contact rating 0 2A 30V max JI Jeveb For Ward Only a ioco eph pite Ich Contact rating 0 2A 30V SPC ak Cl DU s toad cet os e datu Duet Ich 800mW into 4 to 8 ohms serial IEC1162 equivallen
45. n or by maintenance service work 1 BASIC MENU Display measuring conditions MENU 1 L mew PRESET SETTING S REF TIDE DF Cavers Cluavere Cavers misses ime Cerin 0 cin O trow fisse Gor LAYER ON nom nom olaver Gor N o meoros Gor o 19 Cloner Cisco le mwos o lecHoLevosP Ficoor Damen _ 2 min or longer averaging time is desirable to obtain stable and smooth response of tide tide differential display MENU 2 ITEM USER PRESET selected FAC SETTING REFDEPTH DES MENU SELECT LocK DIUNLOCK LOCK MENU 3 mew USER PRESET FACSETTNG o sup spo ave 1155 1305 Cesc 080 ise 1 2 _ mma BEARING CALI 1 1280 27 0 femmer 0o o ew ween reser elms umo nav ronnan avai Clas on all pu ose 8 mn rio tomin n imn sep nav Euan wn CRS CALEXEC START To start calibration select START and press EVENT Key 2 RANGE MENU Speed distance depth ranges mt
46. on Press this button when D 12 picture is distorted or coloration is unbalanced due to magnetization 15 CONTRAST control Adjusts display color contrast 00 BRILLIANCE control Adjusts display brightness 2 DIMMER control Adjusts illumination brightness of control panel and manual tracking indication lamp 02 VOLUME control Adjusts volume of key beep and audible alarm 2 1 2 FUNCTION OF KEYS AND CONTROLS 3 Plots event mark at ship s present position Event mark moves relatively as ship runs Functions as ENTER key or key when menu window is open 4 Starts tide effect plotting A cast mark _ is plotted at the start EFFECT point Tide effect plotting shows movements of layers beneath ship s course track To stop plotting and to clear traces press this key again Once cleared previous traces can not be recalled Switches on and off the course plot display Even while the plot display is off positions are sampled internally and ship s course made of last 200 sampled points is called up instantly PLOT DRIFT Presents set drift information at upper right section of the display Pressing this key presents a tide history of last 24 sample points Only the histories of active layers appear History display is automatically cleared upon completion of a presentation sequence I Q 4 20 2 O lt m Switches presentation
47. ous injury can result Immediately turn off the power at the ship s mains switchboard if water or foreign object falls into the equipment or the equipment is emitting smoke or fire Continued use of the equipment can cause fire electrical shock or serious injury CAUTION Do not place liquid filled containers on the top of the equipment Fire or electrical shock can result if a liquid spills into the equipment Do not place heater near the equipment Heat can melt the power cord which can result in fire or electrical shock Do not operate the unit with wet hands Electrical shock can result Use the correct fuse Use of the wrong fuse can cause fire or equipment damage A warning label is attached to the equip ment Do not remove the label If the label is missing or damaged contact a FURUNO agent or dealer about replacement N WARNING N Name Waming Label 1 Type 86 003 101 1 0 To avoid electrical shock do not remove cover No user serviceable Code No 100 236 230 parts inside 5 SAFETY INSTRUCTIONS to ii TABLES FOR RECORDING USER PRESETS vtox CHAPTER 1 GENERAL 1 1 to 1 8 1 1 2 PRINCIPLE OF MEASUREMENT ROM 1 2 9 TIDE NAV TIDE amp TIDE DIFFEREN 1 5 CHAPTER 2 OPERATION 2 1 to 2 4 1 CONTROL PANEL LAYOUT 2 1 2 FUNCTION OF KEYS AND CONTROLS 2 2 o OFERAHNG FROCEDOUR
48. ption item for TRIP PRESET and MENU SET Do not turn knob but press the key immediately To unlock all protected items place the cursor on MENU SELECT UNLOCK Change of any protected item setting must be done with the greatest if caution otherwise measuring accuracy may be degraded DATE TIME settings 1 By using knob place the vertical cursor onto DATE TIME and then turn 4 knob clockwise by one step When you see the alert message window turn knob clockwise by one step again to select YES Press key to proceed to data time setting sequence 2 Place the horizontal cursor onto TIME and then hit the key The TIME SET sub window should appear as shown below TIME SET KNOB ITEM KNOB SETUP HOUR MINUTE SECOND 0 PRESS EVENT KEY TO ENTER 3 Select HOUR MINUTE and SECOND by knob and at each turn 4 knob to set correct value Set a time 10 to 30 seconds ahead of actual time so you can press the evenr key at the tone of a time signal 4 Place the horizontal cursor to DATE and the press the key The DATE SET sub window appears Set YEAR MONTH and DAY with the arrow knobs REF DEPTH selection DEMO DATA selection Used to select reference depth data source for Used to check the equipment or to enable the searching bottom echo in ground tracking mode demonstration by simulation signals generated internally Bearings depend on heading input OFF Bottom search
49. r To restore normal tide vector display press the key again Tide history of layer 1 last 24 samples Present tide vector for layer 1 You can select sampling time interval of tide history in MENU 1 See page 4 2 Note The CI 35 35H preserves the tide history data stored in the memory when the power is off TIDE VECTOR COURSE PLOT SECTION COU RSE PLOT Display The course plot display provides ship s track of last 20 minutes 200 points one point sampled every 6 seconds Event positions stored by the key are also plotted with marks Press the key to call course plot display and press the same key again to restore previous display Present position Event marks memorized the key Ship s track 200 points max To change display range distance range of course plot press the key and set desired DIST RANGE in the RANGE menu See page 4 10 To clear event memory marks select ERASE in MENU 1 EVENT and then press the EVENT key Note 3 12 Capacity of ship s position memory for course plotting is limited to 200 points When the position memory 15 fully occupied the oldest position 1s erased as new one comes in Position memory will erased when the power is turned off Sampling interval of ship s position is fixed to 6 seconds and it can not be changed TIDE VECTOR COURSE PLOT SECTION TIDE EFFECT Display The tide effect display 1s useful for
50. r s fore aft axis deviated to port transducer s fore aft axis deviated to starboard 0Offset angle to align course by 35 35 and course by external naviator GPS 12 8 to 12 7 GTx x and NAVx x are offset angles calculated by CRS CALIB EXEC operation in MENU 4 Distance between transducers of 35 35 and other sounding device which is connected to the Cl 35 35H as interfering source 1 KP1 2Distance between transducers of CI 35 35H and other sounding device which is connected as interfering source 2 KP2 3Used to select depth setting of layer 3 OFF Manual setting ON Automatic tracking on near bottom tide 4 6 BEARING CALIB All the items in MENU 3 except MENU MODE appear in red to show that they protected or Enter minus value if transducer s fore aft axis is OCKED items oriented to port side of ship s bow Bow 40 To unlock an item 1 First place the vertical cursor on the desired item bye knob and then rotate 4 knob clockwise by one step The following appears on the display Transducer MENU SELECT LOCKED lt SET TO UNLOCK UNLOCKED YES PRESS EVENT KEY TO ENTER BOTTOM TIDE TRACKING 2 Turn 4 knob clockwise by one step to select In the ON position messuring depth of layer 3 YES and hit the key changes automatically with the bottom depth to track on near bottom tide Protected item is now unlocked Turn 4 knob to set desired
51. rm menu select T RIP item by the E A To set a distance limit turn lt P knob for DIST 5x option and then hit the key The following sub window appears Knob DISTANCE RUN ALARM KNOB b KNOB SETUP EXEC EVENT TRIP DIST 10 1 NM 4 14 Turn knob to set a distance run and then hit the key A filled star mark appears aside DIST to show the distance alarm setting valid To start counting distance press the key Note that the alarm distance counting 1s perfomed internally but not shown on the display When the preset alarm distance 1s reached time elapsed display becomes red and the counting 15 stopped If the audible alarm 15 en abled 0 7 it is released B To set a trip alarm turn lt p knob for TIME options and hit the key The following sub window appears DISTANCE RUN ALARM KNOB ITEM b KNOB SETUP EXEC EVENT TRIP TIME 0 HOUR 19 MINUTE 0 SECOND knob set your desired trip time alarm limit by the lt p knob Then press the key to store the setting A filled star appears aside to show the trip time alarm setting 15 valid After selecting hour minute and second by the To start counting trip time press the key Note that the trip time counting 1s preformed internally but not shown on the display Instead distance run in the TRIP display frame counts up When the preset trip time 1s reached the di
52. rmal TX voltage for beam 1 Abnormal TX voltage for beam 2 Abnormal TX current for beam 1 007 Abnormal TX current for beam 2 008 External position data 15 missing despite WT SPEED is NAV Abnormal TX current for beam 3 109 TIDE and NAV DATA is L L in MENU 4 101 External speed data is missing despite WT SPEED is NAV TIDE and NAV DATA is SPD MENU 4 102 External time data is missing despite TIME DATA is set to EXT in MENU 4 103 External depth data missing despite REF DEPTH is set to E S in MENU 2 104 External heading data missing External bearing course data differs internal absolute bearing by more than 5 202 Abnormal roll signal from inclinometer 203 Abnormal pitch signal from inclinometer 5 4 3 Internal Battery A battery fitted inside the display unit preserves data when the equipment is turned off and its is life is about five years When its voltage is low no clock may display etc Contact your dealer to request replacement of the battery Lithium battery ER6K 000 120 991 5 5 This page is intentionally left blank SPECIFICATIONS 1 MEASURING RANGE 1 2 SHIP S SPEED COURSE Speed Direction Speed Measurement Depth Ground tracking mode Water tracking mode TIDE SPEED DIRECTION Speed Direction No of measuring layers Tide measurement depth Measuring Interval 10 0kts to 30 0kts 9 Okts to 4 9 9kts
53. stance run display becomes red and the counting 1s shopped If the audible alarm is enabled K it is released 4 15 Example Trip distance 1 NM Ship s Movement Trip Time display Trip 00 05 40 m V Trip time time elapsed to run 1 nm 1 Indication turns red and freezes 1 nm Alarm limit Trip ee gt 00 00 00 key pressed here Example B Trip time 1 hour Ship s Movement Trip Distance display Trip gt 012 i3 Distance run taking 1 hour 1 Indication turns red and freezes 1 hour Alarm limit Trip gt 000 key pressed here 4 16 5 TROUBLESHOOTING 1 SELF CHECK The 35 35 has self test facility for general diagnosis of its major circuits If an unusual symptom is encountered during operation of the equipment perform the self check If the self check reveals equipment fault shown by the error code report the results to the service technician when calling for service The user should not attempt further check inside the equipment Procedure WARNING Do not open the cover of the equipment This equipment uses high voltage electricity which can shock burn or cause death Only qualified personnel should work inside the equipment 1 Call menu window by the pressing the key 2 Select MENU MENU 2 by the MENU 27 Jan 15 1997 ME
54. t to NMEAO018383 Ich Speed course VDVTG VBW VHW Set amp drift SVDVDR Tide spd dir SVDVCD Current 5VDCUR Serial Furuno CI 7000 format for data recording Ich Date time ship s speed course tide speeds directions water AP 3 4 ANALOG SHIP SPEED Current signal for Analog Display 3 33mA to 10 0mA 10kt to 30kt Maximum load 400 ohms 5 TRUE BEARING DATA Clocked serial Furuno AD 100 format Ich 9 MISCELLANEOUS FUNCTIONS Self check function Simple demonstration function 10 NAV AIDED TIDE MEASUREMENT Even where ground tracking 1s unattainable absolute tide movements tide on ground can be calculated by applying accurate position and heading data to CI 35 35H This function may be extremely useful for deep sea purse seining or oceanographic survey Note 1 Depths are measured below transducer surface 2 The CI 35 35H uses an acoustic wave for speed measurements Aeration due to rapid accelera tion deceleration heavy engine propeller vibration or interference from other sounding equipments can degrade performance of this equipment 3 Tide speed measuremants are made by detecting echoes from underwater microscopic objects like plankton If density of microscopic objects is too high or too low depending on season or operating areas CI 35 35H may not provide normal measuring performance 11 ENVIRONMENTAL CONDITIONS 1 Temperature 0 to 45 C 2 Humidity
55. tide vector display of a layer is switched off the colored block circumscribing that layer number in the fundamental data section extinguishies ECHO Level Presentation Mode Beam 1 Beam 2 gt Echo strength Fore NEN Stbd aft Echo strength with depth Different color for Beam 3 each Port aft bean COLOR GRADATION AMPLITUDE GRAPH Color sounder A scope Menu items displayed in red e g BACKGROUND indicate they are protected against accidental change of setting If a setting absolutely must be changed follow the procedure below Be ware however that needless change may seriously affect performance 1 Place vertical cursor on a locked protected item by knob 2 Turn lt gt knob clockwise by one step The following message appears MENU SELECT IS LOCKED 4 SET TO UNLOCK UNLOCKED YES PRESS EVEN KEY TO ENTER Turn 4 knob clockwise by one click to select YES and then press the key 4 Place horizontal cursor on desired option by 4 knob You can unlock all protected items For details see the next page 4 3 MENU 2 NOTE 1 Pp MENU KNOB ITEM KNOB SETUP Jan 15 1997 END MENU KEY MENU MODE MENU3 X MENU4 Note 2 REF DEPTH BEAM TEST SELF CHECK SINGLE CONTI PANEL ECHO Note 3 DEMO DATA OFF DP3 4 LOG10 Note 1 TRIP RESET RESET 0 00 Note 1 DATE TIME TIME DATE Note 1 MENU SELECT LOCK
56. to the start point After 10 minute run the display will show the course calibration angle result of calculation in normal text Start Point 5 minutes EVENT half way uum Lead run off the track by 5 to 10 not to get on own wake calibrated to equalize these tides WHY IS GYRO DATA IMPORTANT IN NAV AIDED MODE If you consider the difference of tide vector calculations 1s ground tracking mode and in nav aided mode you will realize how important the gyro heading information 15 Tide Calculation in Ground Tracking Mode In ground tracking mode the CI 35 35H derives tide information from the following data True bearing of ship s bow ref north 04 Gyro reading Direction of ground speed ref bow 0w Direction of water speed ref bow 1 Ship s speed course based on ground ground speed 2 Ship s speed course based on target layer water speed True north Ship s bow 3 Bearing of ship s bow Heading by gyro reading fas speed Both ground speed 1 and water speed 2 are sensed by the common transducers mounted on the hull Thus they are the speed vectors with respect Ground speed to the ship s bow No matter what the true bearing vector of ship s heading be the relative angle of these two vectors does not change The tide vector is simply Tide Vaci given as the difference of these two speed vectors M
57. us signal RS 422 current loop 3 Power Supply and Power Consumption 100 110 115 220 230 VAC 10 50 60 Hz 50 VA max AP 5
58. ust supply accurate heading gyro information and ship s position or speed course data to the CI 35 35H If you are going to use nav aided mode set the reading of the AD converter gyro interface exactly with that of master gyrocompass Procedure 1 Confirm that the gyrocompass has settled and all the necessary compensations latitude com pensation weather compensation etc are made correctly 2 Manipulate the AD converter to obtain the same reading as you read on the master gyrocom pass Do not make adjustment while the ship 15 turning Master Gyrocompass If the gyro reading 1s accurate enough the CI 35 35H should provide accurate tide information If the gyro data contains some error however you may see the following symptoms Set drift information on nav aided mode differs from that on ground tracking mode e Tide tide differential information on nav aided mode differs from that on ground tracking mode NAV Mode GT Mode GT Mode NAV Mode If you encounter with such symptoms perform the calibration following the procedure on the next page vil CALIBRATING COURSE OFFSET Automatic A When ground tracking is attainable viii l 2 Make sure navaid GPS is working correctly and accurately On CI 35 35H select ground tracking mode Press the TRACKING MODE key to see the mode indication on the display In Menu 4 set CRS CAL MODE to Run
59. x s x external data Optional text display display on off switchable Tide differential speed Tide differential Direction Lateral speed Drift angle leeway angle Trip distance Trip time Water tracking speed Water tracking course X Kt 9 or 32 point notation Xx X Kt 7 XXXX nm one at a time xx h xx m xx s one at a time Xx X kt Xxx or 32 point notation Optional text display available when external data source 1s connected Water temperature 3 GRAPHIC DISPLAY AP 2 Tide vector Tide differential vector Echo level xx X C Needs external temperature data Tide speed and direction for each layer are presented by length and orientation of a radial vecor bar Color of vector bar represents layer North up presentation selectable if external heading input is available Speed and direction of tide differential are presented by length and orientation of a radial bar Colors of vector bar represent the layers involved Variation of echo strength with depth is presented either in color sounder mode or in A scope mode simultaneously for the three sounding beams Optional graphic display display on off switchable Course track plot Tide history Tide effect Ship s course track display consisting of the last 200 sam pling points is presented in ship centered format Display switchable on off Tide vectors recorded at
60. your boat at a speed about 10 kts keeping the same direction To minimize the effect of gyro speed error it is desirable to run along parallels 1 e eastward or westward In Menu 4 place the cursor on START CRS CAL EXEC and then press the EVENT key As soon as you press the EVENT 0 0 should appear in reverse text at the upper right part of the display After 2 mile run the display will show the course calibration angle result of calculation in normal text Course made good by ext navaid GPS Course made good by Cl 35 35H plus Gyro Start Point pressed 2 n m approx Course calib angle Lead run to fit these two courses made good When ground tracking is unattainable Make sure the navaid GPS is working correctly and accurately On CI 35 35H select nav aided mode Press the TRACKING MODE key to see the NAV mode indication on the display In Menu 4 set CRS CAL MODE to Run your boat at a speed about 10 kts keeping the same direction To minimize the effect of gyro speed error it is desirable to run along parallels 1 eastward or westward In Menu 4 place the cursor on START 5 CAL EXEC and then press the EVENT key As soon as you press the EVENT 0 0 should appear in reverse text at the upper right part of the display When the boat has run for 5 minutes turn your heading almost 180 and steer back

Furuno 851 MARK-2 Marine RADAR User Manual

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