Instruction/ maintenance manual of the product CI-80 Furuno
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DOPPLER SONAR CURRENT INDICA T OR CI-80.
C 9-52, A shi hara- cho, Ni shinom i ya, J apan T el ephone: 0798-65-21 1 1 T el efax: 0798- 65-4200 Y our Local Agent /Dealer A ll rig hts res erved .
i SAFETY INSTRUCTIONS WARNING Immediately turn off the power at the switchboard if water leaks into the equipment or something is dropped in the equipment. Continued use of the equipment can cause fire or electrical shock. Contact a FURUNO agent for service.
ii T able of Content s PRINCIPLE OF MEA SUREMENT ................................................................................ 1 PRINCIPLE O F MEASUREM ENT , FEA TURE S................................................................................
1 PRINCIPLE OF MEASUREMENT PRINCIPLE OF MEA SUREMENT , FE A TURES W hen a moving v essel emits an acoustical pulse into the w ater at an angle, a portion of emitted energy is reflected from the seabed and other microscopic obje cts in the sound p ath, such as plankton or air bubbles.
2 Fixed GPS satellites Nav-aided speed (Pseudo ground tracking speed) Water tracking speed Ground tracking speed Near-surface layer :Base of measurement Figure 2 Ti d e Ti de is movement of watermass at a p articular depth.
3 Nav T ide Nav-T ide is an absolute movement of w aterm ass a t a particular depth, taking speed information from the external navigator (GPS) as a pseudo ground tracking speed.
4 T ide Diff erence = 1 - 2 (Mov ement of layer B based on layer A) or = 2 - 1 (Mov ement of layer A based on layer B) Layer (B) :Base of measurement Layer (A) 2 1 Figure 5 TIDE, NA V -TIDE & TIDE DIFFERENTI AL Ti d e (Absolute tide) Absolute tide can be measured in the ground tracking mode.
5 S peed of lay er A based on ground (C1) can be calculated as follows: C1 = Vg – Vwa = 10 – 7 = 3 ( kt) Nav-Tide (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.
6 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 la.
7 :Base of measurement Layer A Start of trip End of trip 10 NM (1 hour trip) Layer B 2 kt 5 kt Near- surface layer 1 kt Assume that the ship and all measuring layers are moving in the same direction, but at different speeds.
8 [RE A D THIS FIRST! !] IMPORT A NT NOTICE ON TIDE MEA SUREMENTS (In the nav-aided mode, tide accuracy depends heavily on gyro accuracy .) SETTING SHIP’S HEA DING The CI-80 has the nav-aided mode to measure absolute tides even in deep waters where ground track ing is unattainable.
9 0 10 20 10 20 1 ° 0.2 kt GT Mode 0 10 20 10 20 -3 ° 0.5 kt NAV Mode GT Mode NAV Mode Figure 10.
10 Features The CI-80 mainly consists of three units: a display unit, a transceiver unit, and a transducer , each compact enough to f it on small boats.
11 SYSTEM OVER VIEW Control Descriptio n Display un it (CI-80 0) T ransceiv er unit (CI-8 10) Figure 1 1 Display unit Fi g ure 12 T ransceiver uni t.
12 T able 1 Control description ON OFF DISP MODE MODE MENU CURSOR ON/OFF EVENT TRIP T ARGET POINT Control Description T urns the system on/off. Alternately selects echo display and course plot display . Selects tracking mode among ground tracking, water tracking, nav aided and automatic selection.
13 How to Read th e Disp lay s The CI-80 has two display modes: echo display and co urse plot display . A display may be selected with the DIS P MO DE key .
14 When speed or d epth data appe ars in red… S peed or dep th data containing error appears in red. Ship s speed Cannot find reference echo in respective tracking mode . T ide speed Cannot find echo in given lay er . Set depth Depth set is invalid.
15 NOTE 2: Ship's speed and course displays are update every three seconds, in the default setting. They can be updated every second. For details, consult your dealer .
16 MAIN MENU DESCRIPTION Most major functions of the CI-80 are carried out through an easy-to-follow menu system. The menu system consist s of two main groups of menus : main (operation) and system (testing, calibration). This chap ter covers the main menu.
17 ECHO Menu Sets up the echo display . SPEED RANGE: Sets length of tide speed v ector between 0.1 and 15.0 knots, in resolution of 0.1 knots. ECHO DEPTH RANGE: Sets echo depth range. Depth can be set either manually between 50 and 300 meters in resolution of 50 meters or automatically .
18 MA RK Me n u This menu sets measuring condit ions for tide vector and target point mark. PRESET REFERENCE V ALUE: Sets the effect of tide on the target point mark. The hig he r the figure, the greater the ef fect of tide. TIDE HIST OR Y : Set s tid e v ector pl ottin g inte rval , amon g 0 (turns off tide v ector display), 15 sec.
19 OPERA TION Basic Operating Pro ced ure T ur ning on th e sy stem 1. Tu rn on the tr ansceiver unit. 2. Tu rn on the display unit. 3. Adjust brilliance of display . The display unit conducts a check of the system, displaying the results about 40 seconds after turning on the power .
20 Ground T r acki ng Mode: Shows absolute ship and tide movements based on ground. (Bottom echo re quir ed.) W ater T racking Mode: Shows movement s of ship and tide relati ve to n ear-su rface w ater .
21 Setting tide diff erential l a y er 1. On the DEP menu, press / to select REF TIDE DIFFERENCE. 2. Pr ess / to set la yer . Figure 22 How to set tide dif ferential T urning off t he power Press the power switch on the display unit.
22 Setting Tide Measuring Depths on the Echo Display Earlier you learned how to set tide measuring depths on the DEP menu. Measuring depths can also be set direc tly on the echo display . Select ing a lay er , s etting depth 1. On the echo display , press / to select lay er desired.
23 Setting up the Echo Display Sett i ng tide speed v ect or range 1 . P r e s s t h e MENU key . 2. Pr ess ◄ / ► to select the ECHO menu. 3. Pr ess / t o select SPEED RANGE. 4. Pr ess / t o set speed. (Default sett ing: 1. 0 knot ) Sett ing echo depth r a nge 1.
24 Setting up the Co urse Plot Display The course plot display mainly plots ship’s tr ack. It can be displayed by pressing the DISP MODE key . Figure 25 Sample course plot display , TRK menu Sett i ng the plot range 1. Press the MENU key . 2. Pr ess ◄ / ► to select the TRK menu.
25 Marks The CI-80 has two types o f marks which can be inscribed on the display: event mark and target point mark. Figure 27 Appearance of event mark and target point mark Ev ent mark The EVENT key inscribes present position on the display . It is useful f o r marking important locations, e tc.
26 Erasing marks 1 . P r e s s t h e CURSOR O N / O F F key . 2. O perate the four arrow keys to place cursor on mark to erase. 3. Pr ess the EVENT key ( or T A RGET POINT key ). Calculating T rip Dist ance Press the TRIP key to start calculation of trip distance from present position.
27 Displa y i ng the CA LB menu 1 . Press ◄ / ► to sele ct the C ALB menu . 2. Pr ess / t o select menu item. 3. Pr ess / to set o ffset . Menu items GT SPD CALIB: Raise setting when ground tr ack ing speed is slower than ship’s speed . W T SPD CALIB: Raise sett in g when water tracking speed is slower than ship’s speed .
28 MODE CALB SELF TEST OFF SYS OFF ON T/D NA V SPD L/L ECHO PNL DEMONSTRA TION W A TER SPEED NA V DA T A *1: Sho wn when tide processor is activ e. *1 *1 Figure 31 MODE menu Nav Dat a Setting 1 . P r e s s t h e DISP MODE key to display the echo display .
29 MAINTENANCE & TROUBLESHOOTING Preventive Maintenance Regu lar checks • Regular maint enance is important for continued performance. Check the following on a monthly basis. • Check that all connectors and cables are securely tightened. • Check grounding systems of unit s for corrosion.
30 T roubleshootin g The troubleshooting table which follows provides simple troubleshooting procedures which the user may use to restore normal operation. If normal operation cannot be restored, do not attempt to check inside any unit. Any re pair is best left to a qualified t echnician.
31 Self T est s, Demo n stratio n Disp lay The CI-80 has four self test s and a demonstration display which check the system f o r proper operation. Display the sy stem men u 1. Pr ess the DI S P MODE k ey to select the echo display . 2. W hile pressing and holding down the TRIP key , pre s s the MENU key .
32 S tarting the de mons tration display The demonstration display checks the controls on the display unit and conducts a loopbac k test between the display unit and the transceiver unit. 1. Pr es s / to select DEMONSTRA T IO N. 2. Pr es s to se lect ON.
33 Self T est Result s Sy stem test The system test chec k results appear at each pow er on or whenever the system chec k is conducted though the self test.
34 Error d isplay “OK” appears for normal memory IC test. For fault NG (No Good) and asterisk (*) appear next to ROM/RAM number . T able 3 Error number display and meaning Error number Reason Circ.
35 Echo te st Checking echo display intensity Press the right and left arrow keys. The SHIFT indication should change with key operation, between 0 and 100. Checking echo display range Press the up and dow n arrow keys. The echo display range should in steps o f 50 between 0 and 300 .
36 MENU TREE MAIN MENU DEP LA YER1 LA YER2 LA YER3 REF TIDE DIFFERENCE ECHO SPEED RANGE ECHO DEPTH RANGE ECHO LEVEL SHIFT TRK PL O T RANGE PL O T MODE TRACK DISPLA Y MARK PRESET REFERENCE V AL UE TIDE.
SP-1 SPEC I FI CAT I ONS O F CI-80 DOPPL ER SO NAR CURRENT INDI CATOR 1. Gener al (1) Gr o und tra ck ing acqui ra ble 3 m -200 m ( m easur e able range 300m) de pt h (2) Measurable tide ra n ge 2m- 1.
An important point after buying a device Furuno CI-80 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Furuno CI-80 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Furuno CI-80 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Furuno CI-80 you will learn all the available features of the product, as well as information on its operation. The information that you get Furuno CI-80 will certainly help you make a decision on the purchase.
If you already are a holder of Furuno CI-80, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Furuno CI-80.
However, one of the most important roles played by the user manual is to help in solving problems with Furuno CI-80. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Furuno CI-80 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
