Furuno CI-68 Radar Detector User Manual
Contents
1. Alarm setting screen tide ship s speed 6 Use lt or gt to set minimum speed A or V to set maximum speed As you operate an arrow the radius of the inner or outer circle is increased or decreased accordingly Your screen should now look something like the one shown below 3 0kt DIR LAYER1 KEY MAX 4 9 KEY MIN STATUS 0 0kt 0 Tide TIDE dnos MIN 1 0kt am setting MAX 2 0kt DIRECTION MIN 0 MAX 0 QUIT ANY FUNC KEY Alarm setting screen tide speed set 7 Press any function key to return to the ALARM menu ce appears to the right of SPD 8 Press V to choose DIR at LAYER 1 9 Press to open the setting window 10 Use lt or gt to set starting point A or V to set ending point For example set the starting point at 350 and the ending point at 10 Then the screen should look something like the one at the top of the next page 3 14 3 CUSTOMZING THE SYSTEM Starting point 3 0kt DIR LAYER KEY MAX Ending point lt KEY MIN Tide direction STATUS E alarm setting 0 Okt 9 Tide speed alarm setting TIDE MIN 1 Okt MAX 2 0kt DIRECTION MIN 350 MAX 10 QUIT ANY FUNC KEY Alarm setting screen tide 11 Press any function key to return to the ALARM menu cO appears to the right of DIR in LAYER 1 When the alarm setting is violated the audible alarm sounds and an alarm message appears 12 Press the MENU key to close the menu 3 5 3 Setting the trip2. OF BOTTOM SEARCH NO YES OF m F BTM TIDE TRACK ON ALM KEY BEEP OFF N WT SPD DEPTH 2 400m RESET TRIP LOG YES TEST NO GENERAL PANEL PATTERN ECHO RANGE 150m TVG TI OFF ON GAIN 5 1 40 PANEL DIMMER J 5 0 7 MENU ON INITIAL SETTINGS A W SELECT lt gt CHANGE MENU EXIT MENU 1 menu SHIP SPEED AVG Choose the averaging time for the ship s speed display The choices are 15 30 60 and 90 seconds TIDE AVERAGE Choose the averaging time for the tide display If tide speed appears to be too slow choose a higher setting The choices are 15 s and 1 2 3 5 10 and 20 minutes REF TIDE DIFF Choose the reference layer for tide differential measurements among layer 1 layer 2 and layer 3 BEARING MODE You may show bearing in 32 compass points or 360 degrees NAV MODE NAV MODE enables or disables the NAV mode Choose ON to use NAV mode instead of the water tracking mode For further details see paragraph 1 6 3 CUSTOMZING THE SYSTEM BOTTOM SEARCH BOTTOM SEARCH enables reacquisition of temporarily lost ground echo in the water tracking mode When the bottom echo is lost for a short while due to air bubbles or the equipment tends to track on false bottom acquire the bottom echo manually as follows 1 Set BOTTOM SEARCH to YES and close the menu The rectangle cursor appears on the display 2 Press any function key The tide vector display appe
3. 10 7 3 kt AP 9 PRINCIPLE OF OPERATION 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 modes 10 NM 1 hour trip Start of End of trip trip Layer A J gt Moving o Base of measurement Layer B 7 md Moving 2 kt 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 Vwa 8 kt Ship s speed based on layer A 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 C1 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 Tide differential based on layer A speed of layer B as viewed from layer A Cd C2 C1 Vg Vwb Vg Vwa Vwa Vwb 8 5 3 kt OR Tide differential based on layer B speed of layer A as viewed from layer B Cd C1 C2 Vg Vwa Vg Vwb Vwb Vwa 5 8 3 kt AP 10 PRINCIPLE OF OPERATION In the water tracking mode watermass just below the transducer near surface layer is taken
4. 1 depth value Light blue Beam 1 Yellow Beam 2 Purple Beam 3 Light blue Bottom echo AMPLITUDE GRAPH A scope Echo level displays 3 CUSTOMZING THE SYSTEM SCALE SYNC Choose whether to interlock port starboard speed range with fore aft speed range or not DRIFT SCALE oet the port starboard speed range on the ship s speed display The choices are 0 5 1 0 2 0 3 0 5 0 and 10 0 kt Note You may adjust DRIFT SCALE at any time however you must turn off SCALE SYNC in the DISP2 menu for it to become active SCALE oet the range of fore aft speed and on the ship s speed display The choices are 0 5 1 0 2 0 3 0 5 0 10 0 20 0 and 30 0 kt Port starboard speed range is also set Note You may adjust SCALE at any time however you must turn on SCALE SYNC in the DISP2 menu for it to become active DRIFT HISTORY oet the range for the port starboard speed history graph The choices are 0 5 1 and 2 kt HISTORY Set the range for the fore aft speed history graph The choices are 4 8 16 and 32 kt HISTORY SHIFT oet the amount of shift for the fore aft speed history graph among 2 1 0 1 2 4 and 8 kt SCALE Choose the scale to use in the course plot display from among 1 10000 1 20000 1 50000 and 1 100000 INTERVAL Choose the display interval for the tide vector in the course plot display The choices are 0 5 1 0 1 5 2 0 2 5 3 0 3 5 and 4 0 The figures are scale on course plot display
5. 12 Heading line oerte EIN 2 14 Heading line on off 3 8 EE eegene 3 9 History OF ADM ee 2 16 History settlligs a a piri tea ra RE ER PRU IM YE cg 3 11 K Key Deest LEM LA LLLI EE 3 5 L Layer vector on off seeeeseeeeess 3 8 EXISUKQUS 222i Ee ee estote seen ee ees 1 8 M Maintenance fuse replacement 4 2 routine ueeesseessseeseeeennennnnnn 4 1 MENOU Debt TEE 3 4 MENU e EE 3 7 MENU c RH 3 1 Men e G onroro 1 Mode marker 2 12 MODE MON ooo esent eats eausa n 3 7 N NAV mode ener 3 4 Klsivi but dee 2 19 NOU o eC 3 9 IN 1 INDEX P Panel dummer sorene ea 3 6 EE 4 6 POWER SWItCHN ccccccceeeeceeeeeeeeseeeeeeeens 1 2 R RANGE KEV RR r ieii 1 10 S ere 2 19 3 11 SCAG Sy NG CTS 3 11 Ship speed display OD Ol ds iode enmt teen Med dos 3 7 Ship s speed averaging 3 4 Ship s speed display GESCHIDIION ax eg 2 15 OV CEVICW acai Mas Wed Mad Mod etus berto AMA 1 5 Ship s speed mode n nnnnoannoennennannnennnnenee 3 9 Ship s speed vector on off 3 8 Ship s track on off 3 11 IN 2 T BI cere RE 4 7 Text display 2 1 0 PRICE 3 7 OVOIVICW ccceccccesceceseeceseeceeeeceaeeseeeeseaees 1 6 Tide averaging cecccsecccseeecaeeeeeeeesaeeeeaaees 3 4 Tide differential referenc
6. 2 Within five seconds after completing step 1 operate the Setting Knob or the CursorPad to set depth of measurement The setting range is 2 400 meters Setting Knob Rotate clockwise to raise the range counterclockwise to lower the range CursorPad Press P or A to raise the range kor V to lower the range 1 8 1 OPERATIONAL OVERVIEW 1 6 Choosing Speed Tracking Mode The tracking mode is available in ground tracking water tracking NAV and automatic Ground tracking Absolute ship and tide movements based on ground and current tide display bottom echo must be present Water tracking Ship and tide movements relative to near surface water and tide differential between tide layers The pulse length in this mode must be NORMAL and depth greater than 40 m or LONG pulse length and depth greater than 70 m Nav ships movement as measured by a navigation device and tide movements based on nav speed data Auto external Uses ground tracking mode when bottom echo is available and switches to water tracking mode or Nav mode when bottom echo is lost The bottom echo is continuously sought and if re acquired the ground tracking mode is restored EST appears in the tracking mode window top left corner when DEPTH MODE in the OTHER menu sub menu in the installation menu is set to EXTERNAL To choose the tracking mode press the TRACK MODE key The tracking mode changes according to the setting OFF or ON of NAV MODE in the MEN
7. GI mi lii Heading vo Echo Level Electronic I Gre Ltr La i i Bearing Scale i Layer 1 Yellow i mm Speed Course P Layer 2 Purple SE Layer 3 Light blue ISBEZIT Echo Display Range TEE MF i S Water Tide differential Ae H Temperature between reference and deeper of 1 Water Temperature other two layers Graph Sensor required Tide differential between reference Text Window Tide of Layer 3 Blue Note Missing or wrong and shallower of Tide of Layer 2 Purple data is denoted with LL opeed and direction of tide and tide differential Own Ship Vector Green Tide vector display 2 1 2 INTERPRETING THE DISPLAYS Description of indications on tide vector displa mem li eseription O Ship s heading fed from a heading sensor Shows current tracking mode as selected with the TRACK MODE key Mode marker Shows tracking mode and echo availability for last three minutes scrolling from right to left The color represents tracking mode as shown below Green Ground tracking mode Blue Water tracking mode nav mode h Background Speed error 3 min Current mode Speed course Speed made good and true course are shown The displayable range is 0 0 to 40 0 kts for speed and 0 to 359 for course True course dx Speed made good ground tracking speed water tracking speed or nav speed Heading fed from h
8. SONNERIE EU 3 12 3 5 2 Setting Canceling tide speed tide direction tide differential and Ships SDeed alartiis EE 3 13 me pare Wadern EE 3 15 3 5 4 Disabling enabling the audible aam 3 16 Se ING tale he Eme 3 16 4 MAINTENANCE amp TROUBLESHOOTING eere eere 4 1 A1 Gefier We E El e 4 1 4 2 e Tei e RE 4 2 4 3 Troubleshooting ANN 4 3 Am MEDII UU I UT UU MEETS 4 4 e EE 4 4 21 PAN O S EEE E A A N N A NNN 4 6 AA TOSUP UGTN i eo Se E O ee eee 4 7 45 Eror Messages and Alert EE 4 8 APRENDIDA Ae ee AP 1 MENU AM D d e zs MR M RR RR PPP RR AP 1 TIDE MEASUREMENT IN NAV MODE oa aes p epe e eee de AP 3 ale Lee ET Re CR AP 6 ie Allen elt LEE SP 1 INDE A aaa ca ae B IN 1 FOREWORD A Word to the Owner of the Cl 68 Congratulations on your choice of the FURUNO CI 68 Doppler Sonar Current Indicator We are confident you will see why FURUNO has become synonymous with quality and reliability For over 50 years FURUNO Electric Company has enjoyed an enviable reputation for innovative and dependable marine electronics equipment This dedication to excellence is furthered by our extensive global network of agents and dealers Your current indicator is designed and constructed to meet the rigorous demands of the marine environment However no machine can perform its intended function unless installed operated and maintained properly Please carefully read and
9. WINDOW in the DISP1 menu When the text window is turned off 12 hours of graph data are shown Tide or tide differential You may choose the type of graph to display with MODE in the speed graph DISP1 menu The maximum tide speed or ship s speed range may be chosen with TIDE RANGE in the DISP1 menu Tide direction or course may be chosen with TIDE GRAPH in the DISP1 menu For the tide graph graph lines are displayed in colors Layer 1 Yellow Layer 2 Purple and Layer 3 Light blue For the tide differential graph the tide differential between layers 1 and 2 is shown in purple and that between layers 1 and 3 in light blue 2 7 2 INTERPRETING THE DISPLAYS Description of graph display indications con t from previous page o mem scription Water temperature graph The water temperature graph may be turned on or off with TEMP GRAPH in the DISP1 menu Mode marker The mode marker shows by color which tracking mode is in use Green Ground tracking mode Blue Water tracking mode nav mode Background Ship s speed error Depth graph The depth graph displays depth data in graph form If in the water tracking mode the depth is greater than the depth range no depth data is displayed To graph depth from an external source set DEPTH SOURCE in the OTHER menu sub menu in the installation menu to EXTERNAL Trip distance marker The trip distance marker shows trip distance in one mile increments in green and backgrou
10. alarm Trip distance alarm The trip distance alarm sounds when the vessel has traveled more than the preset distance pii Press the MENU key to open the menu Press A to place the cursor on the main menu title field Press lt or gt to choose ALARM Press A or V to choose TRIP DIST Press to show the trip distance setting screen TRIP ALARM ak KEY SET us BM ANY FUNC KEY QUIT Distance trip alarm setting screen Press lt or gt to set distance Press any function key to quit and return to the ALARM menu cO appears to the right of TRIP DIST When the vessel has traveled more than the preset distance the audible alarm sounds and an alarm message appears Press the MENU key to close the menu 3 15 3 CUSTOMIZING THE SYSTEM Trip time alarm The trip alarm sounds when the preset trip time has elapsed pid ONS N 9 Press the MENU key to open the menu Press A to place the cursor on the main menu title field Press lt or gt to choose ALARM Press A or V to choose TRIP TIME Press to show the trip time alarm setting screen TRIP ALARM KEY SELECT lt gt KEY SET EAE Ohr Omin Osec ANY FUNC KEY QUIT Time trip alarm setting screen Press A or V to choose item to set Press lt or gt to set Press any function key to quit and return to the ALARM menu cO appears to the right of TRIP DIST When the alarm setting is violated the audible alarm sounds and an alar
11. as the base of all measurements virtual ground Therefore the ship and tide speeds in the water tracking mode are not absolute but relative to this near surface layer Vw 9O9kt Ship s speed based on near surface layer Vwa 8 kt Ship s speed based on layer A Vwb 5kt Ship s speed based on layer B 10 NM 1 hour trip Start of End of trip Layer A ee o Base of measurement Assume that the ship and all measuring layers are moving in the same direction but at different speeds AP 11 PRINCIPLE OF OPERATION Tide differential calculations in water tracking mode Tide speeds of layer A C1 and layer B C2 relative to near surface layer Vw are calculated as follows Tide differential based on layer A speed of layer B as viewed from layer A D1 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 D1 Vw Vwb Vw Vwa Vwa Vwb 8 5 3 kt OR Tide differential based on layer B speed of layer A as viewed from layer B Dd D1 D2 Vw Vwa Vw Vwb Vwa Vwb 5 8 3 kt 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 AP 12 1 1 1 2 1 3 1 4 1 5 2 2 2 3 2 4 TIDE Speed Accuracy
12. differential 4 Depth setting error 4 Depth setting error TIDE SPD VECTOR kt 2 31140 3 Echo from measuring layer 3 Echo from measuring layer is abnormal is abnormal Tide vector speed graph and course plot displays Text and echo level displays TIDE DIFF kt TIDE DIFF 122 122 2 3 14 2 32140 31140 3 Echo from measuring layer 3 Echo from measuring layer is abnormal is abnormal Tide vector speed graph and course plot displays Text and echo level displays Tide and tide differential error displays 3 Displayed when echo for a measuring layer is not present The readout for the offending measuring layer is not reliable 4 Displayed when the depth setting for a measuring layer is improper The readout for the offending measuring layer is not reliable Improper depth setting conditions e Depth in ground tracking mode is less than 10 m e Depth setting is more than 75 of actual depth e Echo cannot be obtained because of air bubbles etc e Echo for set depth cannot be found because depth has become deeper than set depth 2 12 3 CUSTOMIZING THE SYSTEM Less often used functions are stored in the menu There are four main menus MENU 1 MENU 2 ALARM and INSTALLATION The MENU 2 and INSTALLATION menus have three sub menus each 3 1 Menu Operation 1 Press the MENU key to open the menu The last used menu appears MAIN menu title MENU 1 MENU 2 ALARM INSTALLATION SUB menu title iej
13. s speed The ship s speed vector may be shown on the vector display This vector can vector be turned on or off with SHIP SPD VCTR in the DISP1 menu Electronic bearing The electronic bearing scale shows bearing If a heading sensor is connected scale the scale rotates with ship s movement Tide speed range Tide speed range as selected with TIDE RANGE in the DISP1 menu appears at the top right hand side on the screen The value set with TIDE AVERAGE in the MENU 1 menu is shown setting Echo level The echo level display shows echo level for the three sounding beams in colors or graph depending on the setting of DISP MODE in the DISP2 menu You can turn the display on or off with ECHO LEVEL in the DISP2 menu Echo display range The value set with ECHO RANGE in the MENU 1 menu is shown 2 4 2 INTERPRETING THE DISPLAYS 2 2 Ship s Speed Display Fore Aft Speed History Graph synthesized Speed Vector Green Ship Speed Synthesized Speed g Fore Aft Speed Own Ship Vector m Port Starboard Speed Drift Angle Trip Distance Port Starboard Speed History Graph Ship s speed display Description of ship s speed display indications o mem LI Description ooo ohip s speed In Port starboard and fore aft speeds are synchronized when SCALE SYNC in GT WT or the DISP2 menu is set to ON The available speed setting range is 0 0 to 30 0 Water tracking kt speed Speed measured depends on sett
14. sentences 6 3 NMEA output sentences 6 4 CIF input sentences 6 5 CIF output sentences 6 6 Current indicator data 7 POWER SUPPLY 7 1 Transceiver unit monitor unit control unit 8 WATERPROOFING 8 1 Monitor unit 8 2 Transceiver unit 8 3 Control unit panel 8 4 Control unit rear 8 5 Junction box 8 6 Transducer Cl 68 Current loop NMEA 0183 ver 1 5 2 0 3 0 IEC 61162 1 Ed 2 IEC 61162 2 current indicator FURUNO s own format ZDA RMC RMA GGA GLL VTG HDT HDM HDG DBT DPT MTW VBW VDR VHW VTG VLW CUR System time measuring position heading bearing depth water temperature Tide data for 1 layer tide measured speed depths for multi layers Date and time data position data speed data current indicator data reverberation level data speed calibration data angle calibration data alarm output data other 100 110 115 120 200 220 220 230 240 VAC single phase 3A 100 VAC 1 5A 200 VAC IPXO IPXO IPX2 IPXO IPX4 IPX8 9 ENVIRONMENTAL CONDITIONS 9 1 Temperature 9 2 Relative humidity 10 COLOR 10 1 Monitor unit 10 2 Control unit 10 3 Transceiver unit Transducer 5 C to 35 C Other units 15 C to 55 C Less than 95 40 C Panel N3 0 Cover 2 5GY5 1 5 Panel N3 2 Cover 2 5GY5 1 5 2 5 3Y5 1 5 SP 2 E7252S01A INDEX A ALARM men 3 12 Alarms disabling audible alarm 3 16 disabling enabling 3 16
15. the deeper of the other two layers zeterence Layer Shallow TD Deep TD EE EH ME EC SHIP SPEED oets speed and course for speed alarm TRIP oets distance and time for trip alarm 3 12 3 CUSTOMZING THE SYSTEM 3 5 2 Setting Canceling tide speed tide direction tide differential and ship s speed alarms This section shows how to set the tide speed tide direction tide differential and ship speed alarms As an example for LAYER 1 set the tide speed alarm for 1 2 kts and tide direction alarm for 350 10 Setting tide speed tide direction tide differential and ship s speed alarms 1 Press the MENU key to open the menu 2 Press A to place the cursor on the main menu title field 3 Press 4 or gt to choose ALARM MENU 1 MENU 2 ALARM INSTALLATION LAYER 1 LAYER 2 LAYER 3 SHALLOW T D DEEP T D SHIP SPEED TRIP MENU ON ALARM SETTINGS A W SELECT lt gt CHANGE MENU EXIT ALARM menu Alarm status is shown with the speaker icons Um Alarm ON Audible alarm and alarm message ON Alarm OFF Audible alarm OFF Alarm message ON 4 Use A or V to choose LAYER1 SPD 5 Press b to open the alarm setting window 3 CUSTOMIZING THE SYSTEM Tide speed range value Alarm being set Present tide data for layer 1 3 0kt SPD LAYER1 KEY MAX ad FREY MIN Cursor pad STATUS MIN 0 Okt Alarm MAX O Okt settings DIRECTION MIN 0 MAX 0 QUIT ANY FUNC KEY
16. tide vectors HOG MODE e16 0 GT SPD CSE ki 12 3 E Ee Ly SPD VECTOR ka rr O ship Position 1 2 NNE Tide Vector E Ship s Track 1 4 SE E 4 6 NE N n 2 E S 7 0 j SE E AM DIV PLOT 2 0 12 34 587 N 123 45 789 EF 7 Text Window Scale py Tide Display Interval Position Course plot display 1 4 5 Text display The text display provides various nav data in digital format Tracking Mode Mode Marker Fore Aft Speed Heading Bech b 0 SPEEDY COUR Speed Speed e iam PER EB sous and Course 1 9 NNE 0 P E S z lide Differential fe 1 4sE E 0 3SE E mH Pe RIE ono LJ mam D Sensor required Text display 1 6 1 OPERATIONAL OVERVIEW 1 4 6 Echo level display The echo level display shows the strength of the echoes captured by three sounding beams Note that ECHO LEVEL in the MODE menu must be set to ON to show the echo level display Tide Vector ue ECho Level Echo Display Range Beam 3 Beam 1 Beam 2 Echo level display 1 7 1 OPERATIONAL OVERVIEW 1 5 Setting Measuring Depths oet the depths at which you wish to measure tide speed and direction as below Note that layer 3 cannot be set when BTM TIDE TRACK in the MENU 1 menu is set to ON 1 Press the LYR1 LYR2 or LYR3 key as appropriate to show the depth setting window SETTING DEPTH LAYER1 20 m 2 400 KNOB OR CURSOR PAD CHANGE SETTING Depth setting window
17. 2 To use this function effectively accurate heading data from a gyrocompass satellite compass is necessary For further details see page AP 3 1 OPERATIONAL OVERVIEW 1 3 Adjusting LCD Brilliance You can adjust the brilliance of the FURUNO supplied monitor as below To adjust the brilliance of a commercial monitor see its owner s manual 1 Press the BRILL key to open the brilliance adjustment window BRILLIANCE L 4 gt H 6 BREE Lv AH CURSOR PAD BRILL KEY CHANGE SETTING Brilliance adjustment window Note Execute the next step within five seconds after displaying the brilliance adjustment window Otherwise the window is erased 2 Press or A to raise the brilliance 4 or V to lower it The brilliance may also be adjusted by pressing the BRILL key In this case brilliance is adjusted cyclically 0 1 6 0 Note You can adjust the backlighting for the control panel with PANEL DIMMER on the MENU 1 menu 1 3 1 OPERATIONAL OVERVIEW 1 4 Choosing a Display This current indicator has six main displays tide vector display ship s speed display course plot display text display echo level display and graph display You may choose a display by pressing the DISP MODE key 1 4 1 Tide vector display The tide vector display mainly shows tide speed and direction for three layers with a vector Tide Average Setting Heading Line Tide of Layer 1 Yellow Mode Marker Track
18. 500 m TVG Turn echo TVG on or off GAIN Adjust echo level display color The higher the digit the nearer to the strongest color reddish brown GAIN does not adjust the gain of the received signal speed and tide values are not affected by this adjustment The setting range is 1 40 PANEL DIMMER Adjust the backlighting for the control panel from 0 7 3 CUSTOMZING THE SYSTEM 3 4 MENU 2 Menu 3 4 1 MODE menu This menu mainly turns displays on or off All displays cannot be turned off at least one must be turned on Any display turned off on the MODE menu is removed from selection with the DISP MODE key MENU 1 MENU 2 ALARM INSTALLATION Wiese DISP1 DISP2 TIDE VECTOR OFF SHIP SPEED GRAPH COURSE PLOT TEXT OFF ECHO LEVEL ON BACKGROUND CLR BLACK WHITE MENU ON DISPLAY SETTINGS A W SELECT lt gt CHANGE MENU EXIT DISP menu TIDE VECTOHR Enable or disable the tide vector display SHIP SPEED Enable or disable the ship s speed display GRAPH Enable or disable the tide graph display COURSE PLOT Enable or disable the course plot display TEXT Enable or disable the text display 3 CUSTOMIZING THE SYSTEM ECHO LEVEL Enable or disable the echo level display BACKGROUND CLR Choose the background color from among black white and blue 3 4 2 DISP1 menu MENU 1 MENU 2 ALARM INSTALLATION MODE BINAE DISP2 COMMON SETTINGS TIDE RANGE 3 0kt SHIP SPD V
19. 888 Control VOL 6651000 XX XX Unit MEM 1 2 3 OK Test SIO OK Noise Level of CI 6810 Beam 1 Beam 2 VOL 6651001 XX XX Beam 3 Beam 1 Beam 2 and Beam 3 Transceiver MEM 12345678 OK Unit Test ANA 12V 12 03V BV 110 0V T RM 25 02 C DSW 00 00 00 00 DSW 00 00 00 PRESS MENU KEY TO QUIT m 1 S XX P Version No indeque Echo display for three beams Diagnostic test results Description of control unit test results VOL Program version no of the OCK Board 66P3927 MEM Check of 1 ROM 2 SRAM and 3 EEPROM SIO OK if normal NG if abnormal Description of transceiver unit test results VOL Program version no of the PCP Board 66P3920 MEM Checks memory ICs on the PCP Board If all memory ICs are functioning properly OK appears NG No Good appears when an IC is abnormal and an asterisk is placed to the right of the abnormal IC ANA Displays voltage of 12 V and B lines TRM Displays temperature inside transducer DSW Displays PCP DIP switch settings DSW Displays PCN DIP switch settings 7 To quit the test press the MENU key to return to the MENU 1 menu 8 Press the MENU key again to close the menu 4 5 4 MAINTENANCE amp TROUBLESHOOTING 4 4 2 Panel test The panel test checks the keys and setting knob on the control unit for proper operation 1 Open the MENU 1 menu and choose PANEL from TEST 2 Press any function key to start the test A sc
20. CTR OFF ON HEADING LINE ON TIDE VECTOR LAYER 1 OFF ON LAYER 2 OFF ON LAYER 3 OFF ON TIDE DIFF OFF ON DISPLAY MODE HEAD UP NORTH UP SHIP SPD MODE GTMWT WT GRAPH MODE TIDE TIDEDIF SHIP SPD Senden TIDE GRAPH SOUTH settings TEMP GRAPH OFF ON TEXT WINDOW OFF ON MENU ON DISPLAY SETTINGS A W SELECT lt gt CHANGE MENU EXIT DISP1 menu TIDE RANGE Set the tide range for the tide vector display graph display and echo level display The choices are 0 5 1 0 2 0 3 0 5 0 and 10 0 kts SHIP SPD VCTR Turn the ship s speed vector on or off on the tide vector display and echo level display HEADING LINE Turn the heading line on or off on the tide vector display and echo level display LAYER 1 LAYER 2 LAYER 3 TIDE DIFF Turn the tide vector on or off for the respective item on the tide vector display and echo level display 3 CUSTOMZING THE SYSTEM DISPLAY MODE oet display orientation for head up or north up Heading device required for North up Ship s bow is at the North is at the top of the screen top of the screen HEADING LINE l Head up North up Head up and north up display modes SHIP SPD MODE Choose the tracking mode to use to display drift angle fore aft speed and port starboard speed on the ship s speed and text displays MODE Choose the item to show on the graph display among tide tide differential and ship s speed TIDE GRAPH Choose how to draw the tid
21. Direction No of measuring layers Range of measurement SPEED Speed Accuracy Direction Depth of measurement ground tracking mode DISPLAY Display TRANSMISSION Frequency FUNCTIONS Modes of measurement Functions Corrections SPECIFICATIONS OF CI 68 CURRENT INDICATOR 0 0 9 0 kis Within 0 2 kts All directions in one degree steps 360 3 2 150 m Up to 75 of depth The depth must be greater than 22 m in the ground tracking mode and greater than 40 m in the water tracking mode using normal pulse and greater than 70 m using long pulse Actual range will vary depending on installation and underwater conditions Fore aft 10 0 to 30 kt Port stbd 9 9 to 9 9 kt Within 1 or 0 1 kt whichever is the larger All directions in one degree steps 360 3 300 m Actual depth depends on installation method and underwater conditions VGA 640x480 dot Content Ship s speed course drift angle tide 3 layers tide differential 2 layers setting depth heading position echo level water temperature Displays Tide vector graph course plot ship s speed text echo monitor 244 kHz Ground tracking water tracking nav aided automatic bottom tide tracking alarm output interference rejecter demonstration mode Ship s speed tide installation angle bearing error trim heel course error draft external KP range SP 1 E7252S01B 031120 FURUNO 6 UO DATA 6 1 Format 6 2 NMEA input
22. L OFF ON BACKGROUND CLR BLACK WHITE BLUE DISP1 COMMON SETTINGS TIDE RANGE 0 5 kt 1 0 kt 2 0 3 0 kt 5 0 kt 10 0 kt SHIP SPD VCTR OFF ON HEADING LINE OFF ON TIDE VECTOR LAYER 1 OFF ON LAYER 2 OFF ON LAYER 3 OFF ON TIDE DIFF OFF ON DISPLAY MODE HEAD UP NORTH UP SHIP SPD MODE GTIWT WT GRAPH MODE TIDE TIDE DIF SHIP SPD TIDE GRAPH NORTH SOUTH TEMP GRAPH OFF ON TEXT WINDOW OFF ON Continued on next page AP 1 MENU TREE Continued from previous page DISP2 7 TIDE ECHO LEVEL OFF ON VECTOR DISP MODE SOUNDER GRAPH SHIP SCALE SYNC OFF ON SPEED DRIFT SCALE 0 5 1 0 2 0 3 0 5 0 10 0 kt SCALE 0 5 1 0 2 0 3 0 5 0 10 0 20 0 30 0 kt DRIFT HISTORY 0 5 kt 1 kt 2 kt HISTORY 4 kt 8 kt 16 kt 32 kt HISTORY SHIFT 2 1 0 1 2 4 8 kt COURSE SCALE 1 10000 1 20000 1 50000 1 100000 PLOT INTERVAL 0 5 1 0 1 5 2 0 2 5 3 0 3 5 4 0 4 5 5 0 SHIP TRACK OFF ON VECTOR LENGTH LONG SHORT TEXT WINDOW OFF ON Shown when ALARM LAYER 1 SPD SCALE SYNC is off L DIR LAYER 2 T SPD DIR LAYER 3 T SPD DIR SHALLOW SPD SPD 0 speed range setting T D L DIR DIR CSE 0 359 DEEP SPD T D L DIR SHIP SPD SPEED CSE TRIP ep DIST 0 30 nm TIME 0 23 59 59 h m s AP 2 TIDE MEASUREMENT IN NAV MODE TIDE MEASUREMENT IN NAV MODE The accuracy of tide measurement in the NAV mode depends heav
23. LP UU ERIUUEN COO OPERATOR S MANUAL DOPPLER SONAR CURRENT INDICATOR MODEL CI 68 FURUNO ELECTRIC CO LTD NISHINOMIYA JAPAN FURUNO ELECTRIC CO LTD Your Local Agent Dealer 9 52 Ashihara cho Nishinomiya Japan Telephone 0798 65 2111 fax 0798 65 4200 FIRST EDITION OCT 2003 NOV 27 2003 MNA 1 j MAAA AN DAMI CI 68 00014802200 OME72520A10 All rights reserved Printed in Japan SAFETY INSTRUCTIONS A WARNING ELECTRICAL SHOCK HAZARD Do not open the equipment Only qualified personnel should work inside the equipment Immediately turn off the power at the switchboard if water leaks into the equipment or something is dropped in the equipment Continued use of the equipment can cause fire or electrical shock Contact a FURUNO agent for service Do not disassemble or modify the equipment Fire electrical shock or serious injury can result Do not place liquid filled containers on the top of the equipment Fire or electrical shock can result if a liquid spills into the equipment Immediately turn off the power at the switchboard if the equipment is emitting smoke or fire Continued use of the equipment can cause fatal damage to the equipment Contact a FURUNO agent for service Make sure no rain or water splash leaks into the equipment Fire or electrical shock can result if water leaks in the equipment A WARNING Keep heater away from e
24. SHIP TRACK Turn own ship s track display on or off VECTOR LENGTH Choose the vector length from LONG or SHORT For LONG 1 mm in length is equal to O 1 knot TEXT WINDOW Turn the text window on the course plot display on or off 3 11 3 CUSTOMIZING THE SYSTEM 3 5 ALARM Menu The ALARM menu sets the parameters for the tide speed and tide direction alarms ship s speed alarm and trip distance alarm When an alarm setting is violated the audible alarm sounds and a warning message flashing appears To silence the audible alarm press the CursorPad The alarm message remains on the screen until the cause for the corresponding alarm is eliminated or the alarm is disabled When the alarm is again violated the alarm message appears and the audible alarm is released The audible alarm and alarm message may be enabled or disabled independently Alarm messages appear in paragraph 4 5 Note Alarm priority is in the order the alarms appear on the ALARM menu highest priority is layer 1 and lowest priority is the trip alarm When multiple alarms are violated the audible and visual alarms are given to the alarm having the highest priority 3 5 1 Alarm types LAYER 1 LAYER 2 LAYER 3 Tide speed and direction alarms for respective tide layers SHALLOW T D DEEP T D SHALLOW T D Sets the tide difference between the base layer and the shallower of the other two layers DEEP T D oets the tide difference between the base layer and
25. U 1 menu The current tracking mode appears at the top left hand corner on the screen OFF The tracking mode changes cyclically in the sequence of ground tracking water tracking and auto ON The tracking mode changes cyclically in the sequence of ground tracking nav and auto Ship s movement Ship s movement relative to surface based on ground water pi Ce Surface Layer depth Tide movement Tajer Uwe e Reference layer of layer 1 Tide movement of Speed layer 1 relative to Ship s NM x Satellies measured by lt using satellites uw ee Based on E Z Tide movement Tide movement Layer 2 surface water NO Layer 1 Baer of layer 2 Tide movement of Se Layer 1 layer 2 relative to Tide movement of layer 2 layer 3 relative to Tide ene Zs Layer 2 Tide movemen tL Layer 3 of layer surface wate SE Layer 3 7 d das CC Leer Ground Tracking Mode Water Tracking Mode Nav Mode surface water L r2 Tide movement of aye Tracking modes 1 9 1 OPERATIONAL OVERVIEW 1 7 Choosing the Range You may choose the speed range as follows 1 Press the RANGE key to show the range setting window TIDE SPEED RANGE 1 0 x 0 5 10 0 KNOB OR CURSOR PAD CHANGE SETTING Range setting window example range setting window for tide vector display 2 Within five seconds after completing step 1 operate the Setting Knob or the CursorPad to set the range Setting Knob Rotate cloc
26. arine life may be adhering to the transducer interference is present e check ground for corrosion e check if the cables of other equipment are near the transducer cable 4 3 4 MAINTENANCE amp TROUBLESHOOTING 4 4 Diagnostics The current indicator is equipped with several test facilities to check it for proper operation 4 4 1 General test The general test mainly checks the ROM RAM and voltages 1 Press the MENU key to open the menu 2 Press A to place the cursor on the main menu title field 3 Press lt to choose MENU 1 SHIP SPEED AVG 15sec TIDE AVERAGE 2min REF TIDE DIFF LAYER 1 BEARING MODE 32 CMPS NAV MODE OFF BOTTOM SEARCH NO BTM TIDE TRACK ON ALM KEY DEER OFF WT SPD DEPTH 2 400m RESET TRIP LOG YES TEST ECHO RANGE TVG GAIN PANEL DIMMER MENU 2 ALARM 30 sec 360 TRUE ON YES NO Ce CC oer LS LE ON 1 40 0 7 MENU ON INITIAL SETTINGS INSTALLATION 60sec 90sec LAYER 2 LAYER 3 NO GENERAL PANEL PATTERN A W SELECT lt gt CHANGE MENU EXIT MENU 1 menu Press A or V to choose TEST Press gt to choose GENERAL g 6 Press any function key to start the test The results of the test are shown on the screen as in the figure on the next page 4 4 4 MAINTENANCE amp TROUBLESHOOTING TVG ON OFF Use lt or gt to apply or remove TVG from echo display respectively Model Cl 68 Cl 6
27. ars along with the echo level display 3 Use A or V to set the cursor on the bottom echo Bottom Echo How to acquire bottom echo 4 Press the MENU key to finish and close the menu BTM TIDE TRACK Choose how to track bottom tide in the ground tracking mode ON Measuring depth of layer 3 changes automatically with the bottom depth to track on near bottom tide In this case the layer 3 indications shows BTTM instead of the tide measurement depth OFF Normal selection of measuring depth for layer 3 ALM KEY BEEP A key beeps to confirm correct key input input error or error message You may turn this beep on or off as desired The beep sounds when an alarm setting is violated regardless of whether this item is turned on or off WT SPD DEPTH Set the reference depth at which to measure ship s speed in the water tracking mode Set the depth for which you want to know the water tracking speed in reference to a specific depth The setting range is 2 400 m RESET TRIP LOG oet the trip distance to zero 0 Choose YES and then you are prompted PRESS ANY FUNCTION KEY TO EXECUTE Press any function key to reset the trip log to zero TEST Choose the diagnostic test to execute General program no display memory check etc panel or pattern For further details see paragraph 4 4 3 CUSTOMIZING THE SYSTEM ECHO RANGE Choose the maximum depth to display echoes from among 50 100 150 200 250 300 350 400 450
28. ated Layer 1 tide direction alarm has been violated Layer 1 speed alarm has been violated Layer 1 tide direction alarm has been violated Shallow tide differential tide soeed alarm has been violated WARNING SHALLOWER TIDE DIFF DIR Shallow tide differential tide direction alarm has been violated WARNING DEEPER TIDE DIFF SPD Deep tide differential tide soeed alarm has been violated WARNING DEEPER TIDE DIFF DIR Deep tide differential tide direction alarm has been violated WARNING SHIP SPEED WARNING SHIP COURSE WARNING TRIP DISTANCE WARNING TRIP TIME Speed alarm has been violated Course alarm has been violated Trip distance alarm has been violated Trip time alarm has been violated 4 8 APPENDIX MENU TREE Default settings shown in bold italic MENU key MENU 1 4 SHIP SPD AVG 15 sec 30 sec 60 sec 90 sec MENU 2 TIDE AVERAGE 15 sec 1 min 2 min 3 min 5 min 10 min 20 min REF TIDE DIFF LAYER 1 LAYER 2 LAYER 3 BEARING MODE 32 CMPS 360 TRUE NAV MODE OFF ON BOTTOM SEARCH NO YES BTM TIDE TRACK OFF ON ALM KEY BEEP OFF ON WT SPD DEPTH 2 400 m RESET TRIP LOG NO YES TEST NO GENERAL PANEL PATTERN ECHO RANGE 50 m 100 m 150 m 200 m 250 m 300 m 350 m 400 m 450 m 500 m TVG OFF ON GAIN 1 40 5 PANEL DIMMER 0 7 5 MODE TIDE VECTOR OFF ON SHIP SPEED OFF ON GRAPH OFF ON COURSE PLOT OFF ON TEXT OFF ON ECHO LEVE
29. contains error the sizes CQ V 2 Water speed and relative angles of the vectors do not vector change The gyro error only affects the bearing indication of each vector e ae E 3 Ground speed P vector 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 AP 4 TIDE MEASUREMENT IN NAV MODE Tide calculation in NAV mode In the NAV mode the current indicator derives tide information from the following data 1 Ship s speed course fed from 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 1 is the ship eed j d a E e z Es d th 04 True bearing of ship s bow ref north vector sensed by the navigator and the 64 Gyro reading moving direction is expressed with respect to Ov True bearing of nav speed ref north true north 0w Direction of water speed ref bow While the water speed 2 is the ship s speed True north vector measured by the current indicator A 3 Gyro se SE using the Doppler shifts against the reading measuring layer and accordingly its direction EE d i X HT UA 7 Bw 7 is expressed with respect to the ship s bow tay 2 Water speed vector As the directional reference of these two vectors are different north vs ship s bow we can not s
30. e layer 3 4 Tide differential vector on off 3 8 EEN 2 14 WAR ONY Ales PREMIUM 3 11 ISG Us T 3 11 Tide vector display esie geo 2 11 FIOI E 3 7 OVerVIOGw sseesseeeeeeee nennen nenne nnns 1 4 TRACK MODE key eeeeeeeeee 1 9 Trip distance marker 2 18 Trip log resetting 3 5 Troubleshooting eesssssse 4 3 Dc TEE 3 6 W Water tracking speed depth 3 5
31. e on the graph display The choices are NORTH N E S W and SOUTH S W N E Normally use NORTH When the graph becomes difficult to read switch to SOUTH TEMP GRAPH Turn the water temperature graph on the graph display on or off TEXT WINDOW Turn the text window on the graph display on or off 3 CUSTOMIZING THE SYSTEM 3 4 3 DISP2 menu Tide vector display settings Ship s speed display settings Tide differential display settings ECHO LEVEL MENU 1 MENU 2 ALARM INSTALLATION MODE DISP1 TIDE VECTOR ECHO LEVEL DISP MODE SHIP SPEED SCALE SYNC DRIFT SCALE SCALE DRIFT HISTORY HISTORY HISTORY SHIFT COURSE PLOT SCALE INTERVAL SHIP TRACK 3 DISP2 OFF SOUNDER GRAPH OFF ON 10 10 0 kt 0 5 kt 2 kt 4 kt 8k 16k 32kt 1 10000 1 20000 1 50000 1 100000 OFF VECTOR LENGTH LONG SHORT TEXT WINDOW OFF MENU ON DISPLAY SETTINGS A W SELECT lt gt CHANGE MENU QUIT DISP2 menu Turn the echo level display on or off on the tide vector display DISP MODE Choose how to show the echo level display SOUNDER Echo strength shown in eight colors GRAPH Echo strength shown by graph Beam 1 Beam dl Beam 2 i lt Layer 2 depth value Purple Bottom echo 200 m Echo display range COLOR GRADATION Color sounder 3 10 Echo strength 0m Depth o Layer 1 depth value Yellow pulse Echo level lt Layer
32. eading sensor 2 2 2 INTERPRETING THE DISPLAYS o em Deeopten O Tide speed and Tide speed and direction is shown for three layers measuring depths The displayable range is 0 0 to 9 9 kts for speed and O to 359 for course Data shown depends on the measuring mode as follows Ground tracking mode Speed and direction values of measuring layers represent movement of layer relative to ground Water tracking mode Speed and direction values of measuring layers represent movement of layer relative to near surface water direction Nav mode Speed and direction values represent movement of measuring layers relative to pseudo ground Ship s movement Ship s movement relative to surface based on ground water depth Surface Layer Tide movement i Reference layer of laver 1 Tide movement of J layer 1 relative to surface water Tide movement di pn x Layer 1 of layer 2 Tide movement of layer 2 relative to Tide movement C Layer 3 surface water Layer 2 of layer 3 Tide movement of layer 3 relative to surface wate T O L gt Layer3 7 dd Ground Tracking Mode Water Tracking Mode f Ship s movement GPS Satellies measured by Oa using satellites pa Based on ES Z Tide movement of layer 1 Layer 1 Tide movement of layer 2 E Layer 2 Tide movement of layer 3 C gt Layer 3 Nav Mode Tide differential Tide speed and direction differential are shown between reference layer and s
33. et tide measuring depths for respective layers sets measuring depth and range RANGE Sets range The range which can be set depends on mode TRACK MODE Chooses tracking mode among ground water or nav and auto DISP MODE Chooses a display mode BRILL Adjusts brilliance of LCD MENU Opens and closes the menu CursorPad e Chooses menu items and options e ncreases or decreases numerical setting on menus and pop up windows e Silences audible alarm 1 1 1 OPERATIONAL OVERVIEW 1 2 Turning the Power On Off 1 Press the POWER switch at the left hand side of the control unit to turn the power on A beep sounds the equipment turns on and the lamp above the switch lights The equipment conducts the diagnostic test to check for proper operation between the transceiver unit and the control unit and displays the results After the diagnostic test is completed the last used display appears Cl 68 Cl 6888 VOL 6651000 XX XX MEM 1 2 3 OK Cl 6810 VOL 6651001 XX XX TBL MEM 123 4 5 6 7 8 OK ANA 12V3 12 03V BV 110 0V TRM DSW 00 DSW XX Program Version No Diagnostic test Note The example screens shown in this manual may not match the screens you see on your display The screen you see depends on your system configuration and equipment settings 2 To turn the power off press the POWER switch again Note The NAV mode measures tides in deep waters where ground tracking is not available 1
34. fferential e Commercially available monitor may be speed trip etc Audible and visual alerts used in lieu of the LCD monitor are released if alarm condition is violated Six display modes to discern tide movement from a variety of angles Graph display shows past current data Water temperature graph helps locate current rip Temperature sensor required SYSTEM CONFIGURATION MONITOR UNIT MU 100C OR i VGA Monitor Soleo CONTROL UNIT Cl 6888 CONTROL UNIT Cl 6888 LiLbaLbdLbiiLbiLibaLiid e a TRANSCEIVER UNIT lt NMEA1 Input Cl 6810 gt NMEA2 CIF Output NMEA2 CIF Input lAler Alam pou y 100 110 115 200 220 230 240 VAC Dios JUNCTION BOX mE CI 630 24 VDC e Standard Supply sacs MEE Lm Optional Suppl DC AC INVERTER j iid TR 2451 Local Supply TRANSDUCER Cl 62 System configuration vi DISPLAY EXAMPLE amin merla TIDE AVERAGE TIDE SPD VECTOR kt om E 20m Object and color e Tide of layer 1 Yellow e Tide of layer 2 Purple e Tide of layer 3 Light blue e Own ship speed vector Green e Heading line White dashed Tide vector display vii 1 OPERATIONAL OVERVIEW 1 1 Controls Setting Knob CursorPad FURUNO CURRENT INDICATOR POWER Co Co To Bs Control unit Turns power on or off Function keys menu shortcut keys S
35. follow the recommended procedures for operation and maintenance Thank you for considering and purchasing FURUNO equipment Features e With heading data from a gyrocompass e Logical keyboard layout and menu satellite compass etc the absolute structure for intuitive operation Function movements of tide measuring layers is key provides shortcut menu operation displayed in colors e Triple beam system for automatic error e When ground bottom reference is not compensation against pitching and available acoustically namely ship is in rolling deep water this equipment provides Echo level continuously displayed on the absolute movements of measuring layers screen for monitoring signal conditions by receiving position or speed data from on three sounding beams a GPS navigator and heading data from a gyrocompass or satellite compass Bottom echo can be found using external depth data Further the bottom echo can be acquired manually by monitoring the echo level display This is useful when in deep seas air bubbles block reception of the bottom echo or a thick layer of Single mold transducer plus compact monitor unit control unit transceiver unit and junction box option permit installation on small vessels e Data is displayed on a bright non fading plankton or a large fish school is 10 4 TFT LCD Background color is mistakenly tracked as the bottom echo selectable from three colors e Various alarms tide tide di
36. fore aft speed history over time which is useful in trawling HISTORY in the DISP2 menu sets the maximum range for the graph and you can shift the range with HISTORY SHIFT in the DISP2 menu The latest 60 seconds of fore aft speed is shown scrolling from right to left across the screen Port starboard history graph This graph shows port starboard speed history over time which is useful in trawling DRIFT HISTORY in the DISP2 menu sets the maximum range for the graph The latest 60 seconds of port starboard speed is shown scrolling from top to bottom on the screen Speed used for calculation depends on setting of SHIP SPD MODE in the DISP1 menu GT WT Speed is calculated according to tracking mode ground speed for ground tracking mode and water speed for water tracking mode WT opeed is calculated using water tracking speed regardless of speed tracking mode in use 2 6 2 INTERPRETING THE DISPLAYS 2 3 Graph Display 0 6 hours 0 60 minutes of latest data of latest data IT E Max Range of Tide Speed or Course Tide Graph or Tide Diff or Ship Speed Water Temp Graph Mode Marker Depth Graph es um Trip Distance Po a Marker Text Window Sensor required Depth of Note When overlapping occurs each layer layer having highest number has priority Graph display Description of graph display indications o mem scription Text window The text window may be turned on or off with TEXT
37. hallower of the other two layers The displayable range is 0 0 to 9 9 kts for speed and 0 to 359 for course The reference layer may be selected with REF TIDE DIFF in the MENU 1 menu For example if the reference layer is layer 3 the tide differential between it and layer 1 and layer 2 will be displayed Water temperature Water temperature is shown if a water temperature sensor is connected to the current indicator The display range is 5 to 99 C Water temperature Water temperature over the latest 15 minutes is displayed with a blue line the data scrolling from right to left The range of the temperature scale is 5 C and the range of the time scale is 15 minutes 2 3 2 INTERPRETING THE DISPLAYS tem Description Heading line The heading line is a dashed line which shows ship s heading It extends from ship s position center of vector display to the edge of the vector display The line can be turned on or off with HEADING LINE in the DISP1 menu Tide tide Tide vectors may be turned on or off with LAYER 1 LAYER 2 and LAYER 3 in differential vector the DISP1 menu The tide differential may be also be turned on or off with TIDE DIFF in the DISP1 menu Note that if vectors overlap the vector of the highest layer is shown Tide Vectors E 26 3 1 e Differential Vectors Heading Line Yellow a Yellow Purple 1 Purple Light blue j Light blue Layer Right half Left half Ship
38. ho Display Range Beam 3 Beam 1 Beam 2 Echo level display Description of echo level display indications tem Besmpton Echo status of beam 1 fore beam 2 starboard and beam 3 port Echo level E qu is displayed in eight colors ao disoiay rande The echo display range can be set with ECHO RANGE in the diu MENU 1 menu 2 10 2 INTERPRETING THE DISPLAYS 2 6 Error Display An error display is generated whenever display data or measured data is abnormal When this occurs the corresponding data will be unreliable Speed and course fore aft port starboard drift angle 1 No data input from 1 No data input from transceiver unit transceiver unit SPD CSE kt SPD CSE 12 341333 12 3333 2 Ship s speed error 2 Ship s speed error Tide vector speed graph and course plot displays Text and echo level displays SPEED FORE AFT 12 0 SPEED PORT STBD 2 Ship s speed 2 7 error DRIFT ANGLE 2 Ship s speed error GT SPEED kt DRIFT Ship s speed display Text display Speed and course error displays 1 No data is being input from the transceiver unit to the display unit If this occurs contact a FURUNO agent or dealer 2 This display appears when the ground tracking echo for ground tracking reference layer for water tracking or GPS data from the GPS navigator is abnormal In this case data is not reliable 2 11 2 INTERPRETING THE DISPLAYS Tide for three layers tide
39. ily on gyrocompass accuracy Setting ship s heading The current indicator has a NAV mode which measures tides in deep waters where ground tracking is not available To achieve reliable measurements however you must feed accurate heading gyro data and ship s position or speed and course data to the current indicator Procedure 1 Confirm that the gyro has settled and all necessary compensations latitude compensation weather compensation etc have been made correctly 2 Adjust the AD Converter to show the same reading shown on the master gyrocompass Do not make the adjustment while the ship is turning If the gyro reading is accurate the current indicator will provide accurate tide information If gyro data is wrong the following symptoms will appear The drift angle in the ground tracking mode is not the same as that in the nav mode or is shown in the direction reverse of the actual direction Drift angle in ground tracking mode Difference between ground speed and course and gyro heading Drift angle in nav mode Difference between nav course and gyro heading Tide speed and direction in the ground mode is not the same as that in the nav mode And the tide correlation relative angle size between layers is different GT Mode NAV Mode Appearance of tide vectors in ground tracking and nav modes when there is gyro error If you encounter such symptoms calibrate the current indicator as shown in the in
40. imply calculate the difference of vectors to obtain the tide vector in question 1 Nav speed vector Tide Vector So the direction of the water speed vector 2 is converted to true bearing north referenced by using the gyro data and then Without gyro error the tide vector is calculated 3 Gyro If the gyro data contains error the true Hn reading bearing of the water speed vector changes rotates accordingly While the bearing of the nav speed vector does not change with the gyro error The relative angle of these two changes Ship s bow 2 Water speed y vector In other words the tide vector given as a E qM J MA m 1 Nav speed difference between these two speed vectors 77 l vector changes in size speed and bearing by the gyro error Error in size and bearing means the tide vector is unreliable and useless To obtain dependable tide tide differential With gyro error data it is desirable to reduce the gyro error Relative angle of water speed vector and below 1degree nav speed vector changes with gyro error Accordingly the size speed and direction l of tide vector change Note that the depth must be at least 40 m in order to calculate tide AP 5 PRINCIPLE OF OPERATION PRINCIPLE OF OPERATION When a moving vessel emits an acoustical pulse into the water at an angle a portion of the emitted energy is reflected from the bottom and other microscopic objects in the sound path such a
41. ing Mode Tide Speed Range lut ue TIDE ERA zn Heading Echo Level vu Speed Course e Depth Setting Ou d Ke Tide Speed e ww y LL and Direction Amm Echo Display 3 layers P Range Water Temperature 1 Water Temperature Graph Sensor required Tide Differential Tide of Layer 3 Light blue Tide of Layer 2 Purple Own Ship Vector Green Tide vector display 1 4 1 OPERATIONAL OVERVIEW 1 4 2 Ship s speed display The ship s speed display shows ship s fore aft and port starboard speeds in analog and digital form Synthesized Speed Vector Green Fore Aft Speed History Graph Synthesized Speed DE SPO VECTOR kt i 2 NNE i IL 7 n Fore Aft Speed 1 1 4 SE E PER Jemen iO Ship Vector 1 6 NE N 7 A NEF ki In i Lu Bis Port Starboard Peeg HK DI Speed 0 2 E S se mmm at ik KA L me 1230 10 1 3 g Drift Angle Trip Port Starboard Speed History Graph Distance Ship s speed display 1 4 3 Graph display The graph display plots water temperature and depth data in graph form HIN MAN E GT 1 2 d E Tide Graph or Tide Diff or Ship Speed y 4 SE E E 6 NE N FIDE DIFF j GE EE e Mode Marker Water Temp Graph Eu Depth Graph Bi i re o m Trip Distance Po Text Window Sensor required M Graph display 1 5 1 OPERATIONAL OVERVIEW 1 4 4 Course plot display The course plot display plots ship s track along with
42. ing of SHIP SPD MODE in the DISP1 In Nav mode menu H Ground tracking mode Water tracking mode Ref layer selected Ship s speed Water tracking layer Ground tracking speed Water tracking speed selected Fore aft speed Speed in the fore aft direction The speed setting range is 0 0 to 40 0 kt Fore speed is denoted with a yellow A above the speed readout and aft speed with a yellow Y below the speed readout Port starboard opeed in the port starboard direction The speed setting range is 0 0 to 40 0 Speed kt Port speed is denoted with a red ag to the left of the speed readout and starboard speed with a green gt to the right of the speed readout Drift angle The angle measured in degrees between ship s heading and the actual movement When drift angle is to port a red lt 4 appears and when it is to starboard a green appears In the NAV mode drift in water tracking speed is shown Trip Shows trip distance The distance is referenced to fore or fore aft depending on the setting of LOG PULSE OUT in the I O menu 2 5 2 INTERPRETING THE DISPLAYS Description of ship s speed display indications cont from previous page o mm 0 Despon Own ship vector The own ship vector shows port starboard speed on the x axis and fore aft speed on the y axis The synthesized speed vector green appears when SCALE SYNC in the DISP2 menu is set to ON Fore aft speed history graph This graph shows
43. kwise to raise the range counterclockwise to lower the range CursorPad Press gt or A to raise the range kor V to lower the range Display and range to set Display Tide vector Tide speed range setting window appears Set tide tide differential range radius of vector display ring appropriately Ship s speed The ship s speed range setting window shown depends on whether SCALE SYNC in the DISP2 sub menu is set to ON or OFF ON Port starboard and fore aft speeds are synchronized The ship s speed range setting window appears Set speed appropriately OFF The ship s speed range setting window appears Set fore aft speed appropriately Graph The speed range setting window shown depends on the setting of MODE in the DISP1 sub menu TIDE or TIDE DIF The tide speed range setting window appears Set tide speed range port starboard of tide speed tide differential graph appropriately SPEED The ship s speed range setting window appears Set ship s speed range fore aft of ship s speed graph appropriately Course plot The display scale setting window appears Set display scale as appropriate Echo level Tide speed range setting window appears Set tide and tide differential range radius of vector display ring appropriately 1 10 2 INTERPRETING THE DISPLAYS 2 1 Tide Vector Display Tide Average Setting Heading Line Tide of Layer 1 Yellow Mode Marker Tracking Mode ai Speed Range E mm We Green EE i Fe
44. lbza DISP1 DISP2 TIDE VECTOR OFF SHIP SPEED GRAPH COURSE PLOT TEXT OFF ECHO LEVEL ON BACKGROUND CLR BLACK WHITE BLUE Help MENU ON DISPLAY SETTINGS A W SELECT lt gt CHANGE MENU EXIT MODE menu 2 Press A to place the cursor on the main menu title field 3 CUSTOMIZING THE SYSTEM 3 Press 4 or gt to choose the main menu desired among MENU 1 MENU 2 ALARM and INSTALLATION menus Then the menu changes according to your selection For the MENU 2 and INSTALLATION menus the sub menu title appears To choose a sub menu press V to choose the sub menu title field and then press lt or gt to choose the sub menu desired Note The INSTALLATION menu is locked to prevent unintentional adjustment of its settings When you move the cursor from ALARM to INSTALLATION the following message appears To open the INSTALLATION menu press any function key PRESS ANY FUNC KEY TO OPEN INSTALLATION MENU PRESS MENU KEY TO OPEN ALARM MENU 4 Press A or V to choose menu item desired Selected item is displayed in reverse video and menu help appears in the box at the bottom of the menu 5 Press 4 or gt to choose menu option or change numerical value To change numerical value press P to raise the value lt to lower the value 6 Press the MENU key to close the menu 3 CUSTOMIZING THE SYSTEM 3 2 Function Keys 3 2 1 Programming the function keys The function keys F1 F3 provide menu shor
45. light or dropout however this is not an indication of malfuction it is a characteristic of the LCD TABLE OF CONTENTS EENHEETEN V SYSTEMCONFIGUHBATIOD oro cerc cerco geseet vi DISPLAY EXAMPLE eege vii 1 OPERATIONAL GOERENS 1 1 det ele EE 1 1 1 2 Turing he POWE SE EE 1 2 1 3 Adjusting LCD Brilliance spss Seto oor oe nodi dE 1 3 jr Gisele SAP oc Mtt UM 1 4 qe Wide vectoluisbidy EE 1 4 1 4 2 Ship s speed hee E UE 1 5 WAS Graph display 1 5 1 4 4 Course plot display 0 0 00 cece cceeccccsececceeeeeceeeeeseeeeeseeeeeseueesseeeessueeesseeeesseeeesseeetsaeees 1 6 4S OK CNS IAW er EEUU 1 6 E WE CIAO MOM een 1 7 1 5 Setting Measuring DS dE 1 8 1 6 Choosing Speed Tracking Mode 1 9 Mek Ghoosing the E ne 1 10 2 INTERPRETING THE DISPLAY SS uvccciceeseoct sues eucteve seu cuo veo ie woe e ze bx vossvelcv cec ve bes uou e Eos 2 1 2 1 Tide Vector pl Ee UE 2 1 E MESS e Speed Display ee t 2 5 KS ONE Elei Ee 2 7 24 COURSE Plot RUE M MT UO 2 9 2 5 ECNO ER 2 10 20 c 6 gal RTE 2 11 3 CUSTOMIZING THE SYSOP RE 3 1 TER Cla OM ete sunu de dd ud ee oa ae eee 3 1 9 2 FUNCIONE OVS ea E EE 3 3 3 2 1 Programming the function kees 3 3 322 USMINE TUNCHON EE 3 3 3 MENGENE UNE RR RNC ENTORNO 3 4 34 MENU PAIS 3 7 oum MODET 9 6 EE 3 7 OZ DISP Rn E 3 8 cr c DISP2 3 10 E Bde eee eee 3 12
46. m message appears Press the MENU key to close the menu 3 5 4 Disabling enabling the audible alarm 1 o 6 Press the MENU key to open the menu 2 Press A to place the cursor on the main menu title field 3 4 Press A or V to choose the alarm you want to process An alarm where CU or ed Press 4 or gt to choose ALARM appears Press lt or gt to show CU or CU as appropriate Press the MENU key to close the menu 3 5 5 Disabling an alarm piov SNS N Press the MENU key to open the menu Press A to place the cursor on the main menu title field Press lt or gt to choose ALARM Press A or V to choose the alarm you want to disable Press any function key and the following window appears AREA IS ALREADY SET SET lt 4 gt ARE YOU SURE TO RESET YES PRESS ANY FUNCTION KEY AFTER SETTING Press to choose YES Press any function key to return to the ALARM menu The CU or CQ is removed Press the MENU key to close the menu 4 MAINTENANCE amp TROUBLESHOOTING Periodic checks and maintenance are important for maintaining performance This chapter contains maintenance and troubleshooting instructions to be followed to obtain optimum performance and the longest possible life of the equipment Before attempting any maintenance or troubleshooting procedure please review the safety information below WARNING ELECTRICAL SHOCK HAZARD Do not open the equipment Only qualified
47. nd color alternately as shown below 1 mile lt Background Green color 2 6 2 INTERPRETING THE DISPLAYS 2 4 Course Plot Display Own Ship Position Tide Vector Ship s Track d North Mark LOT 2 0 Er Sensor required Text Window Scale Tide Display Interval DIV Position Course plot display Description of course plot display indications The text window can be turned on or off with TEXT WINDOW in the DISP2 menu With the text window turned off the amount of track displayed is greater ohip s track is drawn with a white solid line Ship s track starts extending from the screen center and when own ship position reaches the edge of the screen it is brought back to the screen center You may turn the ship s track line on or off with SHIP TRACK in the DISP2 menu The length of the tide vectors may be chosen with VECTOR LENGTH in the DISP2 menu Vectors may be turned on or off with LAYER 1 LAYER 3 in the DISP1 menu The north mark points upward on the course plot display You may choose the scale with SCALE in the DISP2 menu Shows range per scale division Tide display interval You may choose the tide display interval with INTERVAL in the DISP2 menu In the illustration above the interval is 2 Position Position is shown in latitude and longitude 2 9 2 INTERPRETING THE DISPLAYS 2 9 Echo Level Display GI Tide Vector mes Echo Level Ec
48. ourse 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 AP 7 PRINCIPLE OF OPERATION Absolute Tide 1 2 o Base of 4 measurement LLL Fixed 4 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 A 2 Ship s speed and course based on layer B Tide differential between two layers is then given as a difference of these two speed vectors Tide Difference 1 2 Movement of layer B based on layer A Or 2 1 Movement of layer A based on layer B Layer A Layer B 5 Base of measurement AP 8 PRINCIPLE OF OPERATION Tide Nav tide and Tide Differential Tide 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 D SE Moving at 3 kt on ground o o Base of measurement EE Wf 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 kt Ship s speed based on layer A opeed of layer A based on ground C1 can be calculated as follows C1 Vg Vwa
49. personnel should work inside the equipment 4 1 Routine Maintenance General checks Check the following monthly e Check all cabling If damaged replace e Check connectors on each unit for tight connection Retighten if necessary e Check the ground on each unit If rusted or dirty clean e Measure the input voltage to be sure it is within the rated voltage Cleaning Dust or dirt should be removed from exterior surfaces with a soft dry cloth For cleaning the LCD wipe it carefully to prevent scratching using tissue paper and an LCD cleaner To remove stubborn dirt use an LCD cleaner wiping slowly with tissue paper so as to dissolve the dirt Change paper frequently so the dirt will not scratch the LCD Do not use chemical based cleaners to clean the monitor unit they can remove paint and markings Transducer e Check the zinc plate attached to the transducer for corrosion regularly and replace it if it is corroded It should be replaced when the ship is drydocked If the plate is not replaced corrosion may occur This may allow the transducer to fall out from the hull allowing water to leak inside the vessel e Do not paint the transducer face e When the vessel is drydocked remove marine growth from the transducer Marine life adhering to the transducer may cause a considerable drop in performance 4 1 4 MAINTENANCE amp TROUBLESHOOTING 4 2 Replacing Fuses The transceiver unit monitor unit and control
50. quipment A heater can melt the equipment s power cord which can cause fire or electrical shock Use the proper fuse Use of a wrong fuse can damage the equipment Do not operate the equipment with wet hands Electrical shock can result 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 equipment is misused Do not transmit with the transducer out of water when drydocked etc The transducer may become damaged Turn off the power at the switchboard immediately whenever you feel the equipment is abnormal Turn off the equipment at the switchboard if it becomes warm or is making strange noises Contact your dealer at your earliest convenience WARNING LABEL A warning label is attached to the transceiver and monitor units Do not remove the labels If a label is missing or damaged contact a FURUNO agent or dealer about replacement Transceiver Unit To avoid electrical shock do not Name Warning Label 1 pim ode INO Monitor Unit Type 038 129 1001 1 Code No 100 236 741 A WARNING A TFT LCD The high quality TFT LCD displays 99 99 of its pixels The remaining 0 01 of pixels may
51. reen for testing the control unit appears on the display PRESS MENU KEY TO QUIT Panel test 3 Press each key except MENU and POWER one by one A key s on screen location should show 1 when the key is pressed and 0 when the key is released 4 Operate the setting knob The setting knob s on screen indication should show appropriate setting value when the knob is operated 5 To quit the test press the MENU key to return to the MENU 1 menu 6 Press the MENU key again to close the menu 4 6 4 MAINTENANCE amp TROUBLESHOOTING 4 4 3 Test pattern The test pattern checks for proper display of colors 1 Open the MENU 1 menu and choose PATTERN from TEST 2 Press any function key to start the test 16 tones of red 16 tones of green 16 tones of blue White Red Green Test pattern 3 Press P to change the picture in the sequence shown above You may reverse the order by pressing Note You may adjust the brilliance of the FURUNO supplied monitor by operating the BRILL key To quit the test press the MENU key to return to the MENU 1 menu Press the MENU key again to close the menu paces 4 7 4 MAINTENANCE amp TROUBLESHOOTING 4 5 Error Messages and Alerts The current indicator displays an error message and sounds the audible alarm when error is detected To silence the alarm press any arrow on the CursorPad for tran
52. s plankton or air bubbles The frequency of the received signal is shifted from the transmitted frequency in proportion to the relative velocity between the vessel and underwater reflecting objects This is called the Doppler Effect This equipment calculates and displays movements of ship and currents at specific depths by measuring Doppler shifts obtained from three separate directions E Frequency of reflected signal is shifted in proportion to relative speed between the vessel and reflecting objects Plankton layer Bottom AP 6 PRINCIPLE OF OPERATION Ship s Speed Here speed is a vector value including velocity and direction Depending on the base of measurement ship s speed is expressed in two ways Ground tracking speed Ship s speed and course relative to bottom fixed base Absolute speed Water tracking speed Ship s speed and course relative to water layer just below the Relative speed vessel floating base Navaid generated speed Ship s speed and course obtained by external navigation Absolute speed equipment GPS Get GPS Ze d Aa Navaid generated speed Pseudo ground tracking speed gt Water tracking speed OQ 7 Nearsurface layer Ground tracking do o Base of measurement CIA Fixed 77 Tide Tide is the 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 c
53. sceiver related alarm or turn off the alarm in the ALARM menu in case of control unit related alarm In case of multiple errors the error or alert having the highest priority is displayed The table below shows all the error messages and alerts which may appear in order of priority from highest to lowest Error messages and alerts Error Message or Alert Error Message from transceiver unit WARNING OVERHEATED TRANSDUCER 001 WARNING ABNORMAL TX VOLTAGE 002 WARNING CHARGING ERROR B 003 WARNING ABNORMAL INPUT 12V 009 WARNING NO POSITION DATA 100 WARNING NO SPEED DATA 101 WARNING NO DEPTH DATA 103 WARNING NO HEADING DATA 104 WARNING ABNORMAL COURSE DATA 105 WARNING NO TEMPERATURE DATA 106 WARNING ABNORMAL TEMP INPUT 201 Alert from control unit WARNING LAYER 1 TIDE SPEED WARNING LAYER 1 TIDE DIRECTION WARNING LAYER 2 TIDE SPEED WARNING LAYER 2 TIDE DIRECTION WARNING LAYER 3 TIDE SPEED WARNING LAYER 3 TIDE DIRECTION WARNING SHALLOWER TIDE DIFF SPD Meaning Overheated transducer Abnormal Tx voltage Abnormal B voltage Abnormal Input voltage 12 V External position data is missing External speed data is missing External depth data is missing Position data is missing Abnormal course error angle Water temperature data is missing Abnormal water temperature sensor Layer 1 speed alarm has been violated Layer 1 tide direction alarm has been violated Layer 1 speed alarm has been viol
54. ship s enee 3 13 tide differential 3 13 tide speed and direction 3 13 trip alarm distance 3 15 trip alarm time 3 16 B Background oolor 3 8 BeaninG Mode m ee 3 4 Bottom search AA 3 5 Bottom tide tracking 3 5 zB I 1 3 BAWANG saroi 1 3 C Control descriGton 1 1 Course plot display GOSCHDUOM eege deefe 2 19 eno MEE 3 7 ONGIVIeW nemen 1 6 D Diagnostics general fest 4 4 panel CS cnt ee er terc uei esee 4 6 tes E BE 4 7 DISP MODE KY cece 1 4 DISP 1 MENU Lecco eene ees 3 8 DISPZ MENU EE 3 10 E Echo level display EE ee 2 20 le ERN RR ee ee ee ee 3 8 OV SU VOW eege 1 7 jm 3 10 iege X rigo Mem t 3 6 Electronic bearing scale 2 14 zz 09 0501 5 z p M snr 2 21 Error messages essnsneeeeeeeeeereesrreerrreeeene 4 8 F Function kee 3 3 Fuse replacement 4 2 G epe SE ee 3 6 General EE 4 4 Graph display gesScEID NODE ege 2 17 drawing method 3 9 mode eessseeseeeenenne nennen nennen nnns 3 9 ONONE EE 3 7 OV CIVICW T 1 5 temperature display 3 9 rz ire eet 3 9 H Eie AGING EE 2
55. stallation manual AP 3 TIDE MEASUREMENT IN NAV MODE Why gyro data is important in the NAV mode If you consider the difference of tide vector calculations in the ground tracking mode and the NAV mode you can see the importance of gyro heading data Tide calculation in the qround tracking mode In the ground tracking mode the current 04 True bearing of ship s bow ref north indicator derives tide information from the 04 Gyro reading following data 0e Direction of ground speed ref bow 0w Direction of water speed ref bow 1 Ship s speed course based on ground ground speed i uad 2 Ship s speed course based on target layer 3 Gyro one bow direction water speed Satu 3 Bearing of ship s bow heading by gyro Belga Gi NA 2 Water speed vector 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 to the ship s bow No matter what the true bearing of the ship s heading be the relative angle of these two Tide Vector vectors does not change The tide vector is simply given as the difference of these two 3 Ground speed vector speed vectors Without gyro error The heading data by gyro 3 is used after the True north 3 SAP tide vector calculation just to express the A A LY l l i l NE Ship s bow direction vector directions in true bearings north referenced d O 8H oy Even if the gyro data
56. tcut operation You may program the keys as follows 1 Press the MENU key to display the main menu 2 Choose menu desired Note The ALARM and INSTALLATION menus cannot be used 3 Choose menu item desired Note RESET TRIP LOG TEST and BOTTOM SEARCH in the MENU 1 cannot be used 4 Press and hold down a function key until you hear three beeps and the message PROGRAMMED SELECTED ITEM TO F KEY is displayed about five seconds Function key number pressed 5 Press the MENU key to close the menu 3 2 2 Using the function keys The function keys provide shortcut menu operation and they are not programmed at the factory If a function key contains no program when pressed the message NO FUNCTION ASSIGNED TO F KEY appears on the display for about five seconds function key pressed 1 Press any function key An appropriate setting window appears on the display 2 Within five seconds after completing step 1 operate the CursorPad to change setting as below Change numeric data gt or A to raise the setting lt or V to lower it Choose option gt or A to scroll rightward lt or V to scroll leftward 3 CUSTOMIZING THE SYSTEM 3 3 MENU 1 Menu This menu mainly provides items for adjustment of tide parameters MENU 1 MENU 2 ALARM INSTALLATION SHIP SPEED AVG 30sec 60sec 90sec TIDE AVERAGE 2min REF TIDE DIFF LAYER1 LAYER2 LAYER 3 BEARING MODE 32CMPS 360 TRUE NAV MODE VL ORE ON
57. unit are equipped with a fuse which protects them from overvoltage and equipment fault If a fuse blows find the cause before replacing it If it blows again after replacement contact your dealer for advice All fuses are located inside the units Therefore have a suitably qualified technician replace the fuses WARNING Use the proper fuse Use of a wrong fuse can result in damage to the equipment or cause fire Unt Tye CodeNo Transceiver Unit acini Transceiver Unit 200 VAC spec FGBO 3A AC250V 000 549 021 4 2 4 MAINTENANCE amp TROUBLESHOOTING 4 3 Troubleshooting Below are simple troubleshooting procedures which the user may follow to try to restore normal operation If normal operation cannot be restored do not attempt to check inside any unit Any repair work is best left to a qualified technician Troubleshooting table nothing appears on the screen when the e check that the power cable is firmly connected power switch is pressed e The fuse may have blown Request replacement of the fuse e adjust brilliance ship s track is not displayed e turn on SHIP TRACK in the DISP2 menu bottom echo is not shown on the echo e check if the setting of ECHO RANGE in the MENU 1 level display menu is too low bottom is deeper than measuring range check setting of GAIN in the MENU1 menu echo display is interrupted suspect poor measuring conditions bottom is covered with sludge or the like m
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