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Furuno DS-30 Operator's Manual

Doppler sonar
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OPERATOR'S MANUAL
DOPPLER SONAR
DS-30
MODEL
www.furuno.co.jp

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  • Page 1 OPERATOR'S MANUAL DOPPLER SONAR DS-30 MODEL www.furuno.co.jp...
  • Page 2 The paper used in this manual is elemental chlorine free. ・FURUNO Authorized Distributor/Dealer 9‑52 Ashihara‑cho, Nishinomiya, 662‑8580, JAPAN Telephone : +81‑(0)798‑65‑2111 Fax       : +81‑(0)798‑65‑4200 A : AUG 1992 All rights reserved. Printed in Japan V1 : APR . 26, 2010 Pub. No. OME‑72360‑V1 *00080474415* *00080474415* (TATA ) DS‑30 *00080474415* *00080474415* * 0 0 0 8 0 4 7 4 4 1 5 *...
  • Page 3 (http://www.eiae.org/) for the correct method of disposal. How to discard a used battery Some FURUNO products have a battery(ies). To see if your product has a battery(ies), see the chapter on Maintenance. Follow the instructions below if a battery(ies) is used.
  • Page 4 Fire or electrical shock can result if the off the power at the switchboard power remains on. immediately. Contact a FURUNO agent or dealer for advice. Turn off the power at the switchboard if the equipment is emitting smoke or fire.
  • Page 5 Remove marine life from the face of the Warning label(s) is(are) attached to the equipment. Do not remove the label(s). If a label is missing or transducer when the ship is dry-docked. damaged, contact a FURUNO agent or dealer about replacement. Marine life can affect sensitivity. Name:...

  • Page 6: Table Of Contents

    Table of Contents 1. GENERAL ..................... 1-1 Features ..........................1-1 Principle of Doppler Sonar....................1-2 2. SYSTEM CONFIGURATION ................. 2-1 Standard Supply ........................ 2-1 Optional Supply ......................... 2-1 3. CONTROL PANEL ..................3-1 Main Display........................3-1 Operation Panel ........................ 3-2 4.
  • Page 7 4. Longitudinal Speed at Stern ................... 6-2 5. Transverse Speed at Stem..................6-2 6. Nav Speed/ Course....................6-2 7. Under-keel Clearance (UKC) ................. 6-2 8. Total Distance ......................6-3 7. BERTHING MODE OPERATION ..............7-1 Basic Operation ......................... 7-1 Interpreting Readings and Advanced Operation..............7-2 1.
  • Page 8 10. SELF-CHECK .................... 10-1 Self-Check........................10-1 Procedure ........................10-1 Panel Test ........................10-1 Single Test........................10-2 Continuous Test .......................10-2 TX/RX Test .......................10-3 Error Warning ........................10-4 Troubleshooting Flow Chart....................10-5 11. SYSTEM MENU SETTING................. 11-1 Opening System Menu .....................11-1 Closing System Menu.......................11-1 Operation on System Menu ....................11-1 Content of System Menu ....................11-1 Display Unit Preset Menu ..................11-1 Display Test Menu ....................11-2...

  • Page 9: General

    GENERAL The DS-30 is a highly-advanced, precision Doppler Sonar which incorporates FURUNO’s long established ultrasonic technology. It provides accurate displays of ship’s speed over a wide range from dead slow to maximum. Speeds are detected relative to the ground or water both fore-aft and athwarthship. This feature allows precise docking of mammoth tankers to oil loading/unloading facilities, as well as safe navigation in narrow channels or straits.

  • Page 10: Principle Of Doppler Sonar

    “fo + fd” and “fo - fd” by the transducer. In the processor unit of the DS-30, difference of “fo + fd” and “fo - fd” are computed to extract only the Doppler shift factor “fd”.

  • Page 11: System Configuration

    SYSTEM CONFIGURATION Standard Supply Name Type Weight Remarks Display DS-300/301 8/1.5 Flush mount Processor Unit DS-310 Bulkhead or floor mount Transceiver Unit DS-320 Bulkhead or floor mount Transducer DS-330 Hull Unit DS-331 Accessories 1 set Spare Parts 1 set Installation Materials 1 set Optional Supply Name...

  • Page 13: Control Panel

    CONTROL PANEL Main Display POWER VOLUME BRILLIANCE DIMMER Description of Front Panel Controls POWER Turns on/off the main display and operation panel. Selects colors for foreground and background of screen. Alpha-numeric Background HUE1 White Dark blue HUE2 White Blue green HUE3 White Gray HUE4 Black...

  • Page 14: Operation Panel

    Operation Panel kn/m/s APPLICATION FUNCTION Key used to Chooses the display. select display NAV DATA SPEED BERTHING mode Keys used on Choose the tracking mode. TRACKING all display Changes to AUTO GT (ground tacking) and WT MODE mode (water tracking) whenever the key pressed. Chooses the unit of speed display: knots or kn/m/s m/sec.
  • Page 15 Key used on Change the scale of the berthing mode screen BERTHING from 100m/div up to 5000 m/div. mode Change the Heading up (HU) or North up (NU) presentation. In the HU, the own ship is stationary at the screen center with its bow pointing upward and HU/NU the track moves relative to own ship.

  • Page 16: Turning On/Off Power

    After the start-up test, that is, in about one minute after truing on power, normal operation is started, Note: If equipped with a rate-of-turn gyro (option), turn on DS-30 when the ship is stopped or cruising straightly. Turning Off Power...

  • Page 17: Nav Data Mode Operation

    NAV DATA MODE OPERATION This section describes the operation on the NAV DATA MODE as well as the readings on the screen. *: Bar mark rotates at normal condition. If the equipment freezes, it stops. Basic Operation You may operate this mode with the following key switches. Chooses the tracking mode for ship’s speed measurement: TRACKING MODE Ground, Water or Auto.

  • Page 18: Interpreting Readings And Advanced Operation

    ADVANCE Chooses the range the (time) scale of the under-keel clearance graphic display. Resets the total distance run to zero. VOYAGE RESET Interpreting Readings and Advanced Operation In this section, the number beside each header corresponds to the same number on the illustration of the NAV DATA MODE screen on the preceding page.

  • Page 19: Ship's Heading

    Time in GMT, UTC, JST or local time is displayed. GMT, UTC and JST are fed from the navigation sensor. When the internal timer of the DS-30 is used, the time you set on the menu is shown. If the time data from the navigation sensor is defective, GMT, UTC or...

  • Page 20: Current

    Changing source of time data You may change the source of time data on the initial setup menu. See page 9-11. The speed and course measured by a nav sensor (GPS, Loran C) are 13. Nav Speed/ displayed. Note that only true course is displayed. If a signal is lost, 30 Course seconds after loss the corresponding indication shows ---°.

  • Page 21: Wind

    See page 11-2. The wind reading can be displayed when a wind meter on board is 16. Wind connected to the DS-30. True or relative wind is displayed as determined by tracking mode and menu setting. Tracking Wind Tru/Rel Nav.

  • Page 22: Under-Keel Clearance (Ukc)

    Clearance (UKC) In the inclined seabed, there may be a difference between the under-keel clearance measured by DS-30 and that measured by an echo sounder. If the under-keel clearance data is defective the depth unit (m, etc) is highlighted in red. If input error, the clearance data is shown as “---”...

  • Page 23: Bottom Hardness

    Selecting type of under-keel clearance display To display single (averaged) or trip-split (separate beam) presentation and also to use whether under-keel clearance measured by DS-30 or the external echo sounder can be selected on the set-display menu. See page 9-9.
  • Page 24 Resetting voyage distance To reset the voyage to zero, press the VOYAGE RESET key. Resetting voyage distance The total distance can be set to any desired value on the initial setup menu. See page 9-12. Selecting unit of distance You may select the unit of distance “NM” (nautical mile) or “km” on the system menu.

  • Page 25: Speed Data Mode Operation

    SPEED DATA MODE OPERATION This section describes the operation on the SPEED DATA MODE as well as the readings on the SPEED screen. *: Bar mark rotates at normal condition. If the equipment freezes, it stops. Basic Operation You may operate this mode with the following key switches. Choose the tracking mode for ship’s speed measurement: TRACKING MODE Ground, Water or Auto.

  • Page 26: Interpreting Readings And Advanced Operation

    If input error, the nav sensor name is vacant. Selecting nav sensor The nav sensor may be selected on the parameter set menu. See page 9-13. 7. Under-keel The under-keel clearance measured by the DS-30 or external sounder Clearance (UKC) is displayed.

  • Page 27: Total Distance

    If input error, the clearance is shown as “---” in red. In the inclined seabed, there may be a difference between the under-keel clearance measured by DS-30 and that measured by an echo sounder. The total distance run is displayed.

  • Page 28: Berthing Mode Operation

    BERTHING MODE OPERATION This section describes the operation on the BERTHING MODE as well as the readings on the screen. *: Bar mark rotates at normal condition. If the equipment freezes, it stops. The berthing mode requires gyrocompass connection. Basic Operation You may operate this mode with the following key switches.

  • Page 29: Interpreting Readings And Advanced Operation

    Chooses Head Up (HU) or North Up (NU) presentation. In HU, the HU/NU own ship is stationary at the screen center with its bow pointing upward and the track moving relative to own ship. In NU, North is upward on the screen and own ship moves on the screen with its true speed and course.

  • Page 30: Scale

    Use the arrow keys to change scale. 3. Scale Reprogramming scale The scales registered on the arrow keys can be reprogrammed on the initial setup menu. See page 9-12. 4. Marker Line You may use the maker line to mark a berth jetty, breakwater, etc. Refer to the echoes on the radar screen to check the exact relationship between own ship and the berth, breakwater, etc.

  • Page 31: Heading

    8. Heading Shows ships heading 0° is displayed in the case of no gyrocompass connection. If the data is defective, the heading unit “°” is highlighted in red. If input error, “---” is shown in red. 9. Rate of Turn This shows the ship’s rate-of-turn speed measured by the optional rate-of-turn gyro.
  • Page 32 Changing water current direction readout The factory set water current readout shows the direction from which the water current is flowing. It can be changed to the direction to which the water current is flowing, on the system menu. See page 11-2.

  • Page 33: Under-Keel Clearance

    To change the unit of wind speed from “m/s” to “knots”, open the system menu. See page 11-1. 12. Under-keel The under-keel clearance measured by DS-30 or an external echo clearance sounder is displayed. If the under-keel clearance data is defective, the depth unit (m, etc) is highlighted in red.

  • Page 34: Digital Indicator Ds-350/351

    DIGITAL INDICATION DS-350/351 DS-350 (LCD Display for Outdoor Use) See next page. DIMMER MODE kn/m/s DIMMER kn/m/s MODE Display/Control Panel Adjust the illumination of display control panel. Press DIMMER key to DIMMER show a current setting and press it again to change the setting. The setting changes 1 to 8 and then 1.

  • Page 35: Interpreting The Display

    Interpreting the Pressing the Mode key alternates the readouts of Table 1 and Table 2. Display Table 1 Display Item Remarks Transverse speed at bow Speed over the ground or through-the water is displayed Longitudinal speed depending on the tracking mode. Transverse speed stern Rate-of turn gyro connection required.
  • Page 36 DS-351 (LCD Display for Indoor Use) See next page. MODE kt/m/s DIMMER DIMMER kn/m/s MODE Display/Control Panel DIMMER Adjust the illumination of the display and control panel. Press DIMMER key to show the current setting and press it again to change the setting.
  • Page 37 Interpreting the display Display Item Indication/Remarks Transverse speed at bow Speed over the ground or through-the water is displayed depending in the tracking mode. Longitudinal speed Reading change as follows whenever the MODE key is pressed Transverse speed at stern (over-the-ground or through-the water) Rate-of-turn gyro or gyrocompass connection required* Rate-of-turn speed Rate-of-turn gyro or gyrocompass connection required*...

  • Page 38: Operation On User Menu

    OPERATION ON USER MENU General The DS-30 employs user menus to let you preset or select those functions which are not frequently altered in daily use, such as navigation conditions. Structure of Menu The user menus are constructed in several layers and those selected by the operator are displayed in multiple windows as shown below.
  • Page 39 SET SIM SPD 0.0kn Auto 10kn 20kn 30kn 40kn...

  • Page 40: General Rule For Operation On User Menu

    General Rule for Operation on User Menu Opening Menu You may open the main menu by simply pressing the MENU key. To open one of the sub-1 menus, place the pointer ( ) on desired item in the main menu by operating the trackball and then press the MENU key.

  • Page 41: Alarm Setting Window

    Note: Cancel: Cancels the setting and returns to the previous menu. End: Registers the setting and returns to the previous menu. Selection box A selection box is displayed when you have to choose one of the parameters or function from those displayed in the box. Current selection is shown by a “√”...

  • Page 42: Speed/Direction (Course) Alarm Setting Window

    2. Do the same to set the other alarm limit value on “End Point”. The alarm is activated at the values greater than “Origin” and “End Point”. In the above figure, the alarm is active when the rate-of-turn speed is greater then 34°/min to port and 71°/min to starboard.
  • Page 43 1. Operate the trackball so that the “Cursor” reads one of the two alarm limit values for speed. 2. Press the MENU key. The value set at step 1 is registered as “Origin” point of the alarm zone. 3. Move the pointer “+” counter-clockwise inward/outward until the “End Point”...

  • Page 44: Distance Alarm Setting Window

    Alarm zone Alarm zone Canceling alarm zone setting When you wish to cancel the alarm setting and return to the previous screen, place the pointer on the “Cancel” window on the top line and press the MENU key. Turning on or off audible alarm To turn on or off the audible alarm leaving the visual alarm active place the pointer on the “...

  • Page 45: Set Display Menu

    Note: Anemometer connection required. Pos/RPM Choose to display either ship’s position or main engine 1. Position revolution speed (RPM) on the nav date mode screen. 2. Engine RPM Note: Nav sensor and engine tachometer should be connected to DS-30.

  • Page 46: Set Alarm Menu

    Choose the signal source and type of under-keel clearance 1. Int. 16 color (UKC) display on the nav data model screen. 2. Int. Graphic Int.: DS-30 Ext.: External echo sounder 3. Ext. Graphic 16-color: Seabed echoes are displayed in 16 colors, depending on echo strength.

  • Page 47: Self-Test Menu

    Factory setting in bold Item Description Selection Marker Line Set the maker line proximity alarm. The alarm is 0-2000 m, OFF activated when the distance from own ship’s (“o” mark) on the berthing mode screen) to the marker line becomes shorter than the set value. Current Set current speed/direction alarm.

  • Page 48: Init. Setup Menu

    2. OFF Time Data Choose the date/time data source. 1. Internal Internal: Timer in DS-30 2. External External: Timer in nav sensor. Date Format Specify the order in which year (Y), month (M) and day (D) are 1. Y/M/D displayed.
  • Page 49 Range Scales Specify range scales for the berthing mode, ship speed and under-keel clearance graphic displays. When this item is selected, the Sub-2 menu as shown below is displayed. Choose at least two ranges on each item. Ship Speed Choose ranges to be registered on SPEED RANGE key for ship’s speed graphic display.

  • Page 50: Parameter Menu (Only For Main Display)

    Parameter Menu (only for main display) PARAMETERS SHIP SPD AVG : 10 sec CURR AVERAGE : 3 min WIND AVERAGE : 1 min TRACK DEPTH : 2.0 m CURR DEPTH : 2 m NAV SENSOR : Auto NAV REF. : No DATA INTVL : 15 sec *: Displayed only when HEADING is chosen...

  • Page 51: Offset Data Menu

    No: Speed/direction of current and wind is measured with respect to water mass in the water tracking depth, when ground tracking is not attainable. When a GPS navigator is connected to the DS-30, it is recommended that “Yes” is selected.
  • Page 52 Set a correction factor to be applied to the through- -12.5 to +12.5% (WTR TRK SPD) the-water speed measured by DS-30. Use “+” polarity 0.0% to increase the readout and “-” polarity to decrease it. This item is set by the installation engineer sea trial by running the ship on a fair current and then on the head current.

  • Page 53: Self-Check

    10. SELF-CHECK Self-Check The DS-30 has a self-check facility for general diagnosis of the major circuits. If an unusual symptom is encountered during operation of the equipment, perform the self-check. If the self-check shows an equipment fault, report the result when calling for service.

  • Page 54: Continuous Test

    Press each key to see if the corresponding key mark on the screen is highlighted in reverse video. For the trackball, check that the hand pointer ( ) on the screen moves within the circle as the trackball is operated. To terminate the panel test press the MENU key.

  • Page 55: Tx/Rx Test

    The TX/RX checks the transceiver circuit and the transducer for each beam. When the speed readings measured by DS-30 are abnormal and echoes shown in the continuous test seem weak for a particular beam, the transceiver circuit or the transducer for that beam may be defective.

  • Page 56: Error Warning

    Note: When one of the three beams is faulty and you still wish to use the DS-30, use it with the beam test turned on isolating the faulty beam. Accuracy of the speed measurement goes low but may be practically acceptable for ocean going navigation.

  • Page 57: Troubleshooting Flow Chart

    Troubleshooting Flow Chart 10-5...

  • Page 58: System Menu Setting

    11. SYSTEM MENU SETTING The system menu is set by a service engineer at installation and the before you need not to change settings Opening System Menu Press and hold both the POWER switch MENU key until a beep sound stops. Closing System Menu Turn off and then on the POWER switch.

  • Page 59: Display Test Menu

    2. Sten Set ship’s length overall. 50.0 to 400.0 m Set ship’s breadth. 5.0 to 100.0 m 0.0 to 30.0 m Set distance between DS-30 and #1 transducer echo sounders. Set distance between DS-30 and #2 transducer echo sounders. 11-2...

  • Page 60: External Sensor Menu

    Ship's data referenced to bow Ship's data referenced to stern DS-30 transducer DS-30 transducer Nav sensor antenna Nav sensor antenna Echo sounder transducer 1, 2 Echo sounder transducer 1, 2 External Sensor Menu Item Description Selection GYROCOMPASS Choose YES if a gyrocompass is connected.

  • Page 61: Replacement Of Sensor In Rate-Of-Turn Gyro (Option)

    12. REPLACEMENT OF SENSOR IN RATE-OF-TURN GYPR (OPTION) The life of the sensor is approx. 17,000 hours. When its life has expired, the following may occur when the vessel is dead in water; 1) The rate-of-turn indication is abnormally large. 2) The transverse speed indication is abnormally large.

  • Page 62: Spcifications Of Doppler Sonar

    13. SPECIFICATIONS OF DOPPLER SONAR DS-30 1. Measurement Range a. Ship's Speed Bow: Fore-aft: -10.00 to + 40.00 knots Port-stbd: -9.99 to + 9.99 knots Stern with optional Laser gyro, gyrocompass or ROT data: Port-stbd: -9.99 to + 9.99 knots b.
  • Page 63 NOTE 2: Ship’s static inclination (trim and heel) degrades accuracy by 100 (cosθ-1)% (where θ = angle of inclination). The error caused by this inclination can be corrected by entering trim and heel angles (-12.5° to + 12.5°) on the OFFSET DATA menu. NOTE 3: Ship 's rolling/pitching degrades accuracy by 0.2% for ±5°...
  • Page 64 8. Coating Color Standard Munsell 2.5G 7/2 Newtone No.1 9. Distribution Box DS-370 (Option) a. Input Signal Digital speed signal Log signal (400p/NM) Alarm signal Power on/off signal b. Output Signal The following output boards are selectable. (7 boards max.) OTX board Serial signal for DS-350/351 digital indicator and/or cascade connection of DS-370 distribution box.
  • Page 65 Dimmer, Mode switch, Unit switch Note 1: Depths are measured below transducer surface (hull bottom). Note 2: The DS-30 uses an acoustic wave for speed measurements. Aeration due to rapid acceleration/deceleration, heavy engine/propeller vibration or interference from other sounding equipments can degrade performance of this equipment.

  • Page 66: Tables For Recording User Presets

    14. TABLES FOR RECORDING USER PRESETS The DS-30 employs menus to preset various measuring and display parameters, to customize the equipment precisely to your operating conditions. Fill in the form below to record your presets, so they can be restored if lost by disoperation or by maintenance/service work.
  • Page 67 3. PARAMETERS MENU ITEM USER PRESET □ : selected FACT. SETTING SHIP SPD AVG 10sec ◎ □5sec □10sec □15sec □30sec □60sec CURR AVERAGE 3min □1min □2min □3min □5min □10min WIND AVERAGE 1min □1min □2min □3min □5min □10min TRACK DEPTH 0.0 to 25.0m 2.0m CURR.
  • Page 68 Ⅱ. SYSTEM MENU 1. DISPLAY UNIT PRESET MENU ITEM USER PRESET □ : selected FACT. SETTING CURSOR SPEED Medium ◎ □Slow □Medium □Fast DEPTH UNIT ◎ □m □ft □fa DISTANCE RUN ◎ □NM □km CURR SPEED ◎ □kn □m/s WIND SPEED ◎...

  • Page 69: Digital Interface (Iec 61162-1Edition 2)

    15. DIGITAL INTERFACE (IEC 61162-1EDITION 2) Output sentences of channel 1, 2 (NMEA/CIF 1, NMEA/CIF 2) VDR, VHW, VTG, VLW (talker VD), VBW, ROT Input sentences of channel 1, 2 (NMEA/CIF 1, NMEA/CIF 2) ZDA, GLL, VTG, DBT, RMA, RMC Transmission interval 1 s for any sentence Data transmission...
  • Page 70 Schematic diagram CIF: ON IEC 61162-1 (NMEA 0183) OFF 66P3318 J2/J3 SRCN6A16/10P 180 ohm 47 ohm SRCN6A16/10S CO-0.2X5P TXD-A 470 ohm TXD-B MAX. 25mA 22 ohm 47 ohm RXD-A 47 ohm RXD-B Load requirements as listener Output drive capability 22 ohm Isolation: Optocoupler Max.
  • Page 71 GLL – Geographic position, latitude and longitude $--GLL,llll.lll,a,yyyyy.yyy,a,hhmmss.ss,A,a*hh<CR><LF> | | | | | +------- 6 | +--------- 5 +----------- 4 +---------------- 3 +------+----------------------- 2 +---+----------------------------------- 1 1. Latitude, N/S 2. Longitude, E/W 3. UTC of position 4. Status: A=data valid, V=data invalid 5.
  • Page 72 RMA - Recommended minimum specific LORAN-C data $--RMA,A,llll.lll,a,yyyyy.yy,a,x.x,x.x,x.x,x.x,x.x,a,a*hh<CR><LF> | | | | | +------- 10 | +--------- 9 | +---+----------- 8 +------------------ 7 +---------------------- 6 +-------------------------- 5 | +------------------------------ 4 +----+--------------------------------- 3 +---+-------------------------------------------- 2 +------------------------------------------------------- 1 1. Status: A=data valid, V=blink, cycle or SNR warning 2.
  • Page 73 RMC - Recommended minimum specific GPS/TRANSIT data $--RMC,hhmmss.ss,A,llll.lll,a,yyyyy.yyy,a,x.x,x.x,xxxxxx,x.x,a,a*hh<CR><LF> | | | | | | | +--- 10 | | +----- 9 +--+------- 8 +--------------- 7 | +--------------------- 6 | +------------------------- 5 +---+---------------------------- 4 +---+---------------------------------------- 3 +--------------------------------------------------- 2 +---------------------------------------------------------- 1 1. UTC of position fix 2.
  • Page 74 VTG – Course over ground and ground speed $--VTG,x.x,T,x.x,M,x.x,N,x.x,K,a*hh<CR><LF> | | | | | | | +------- 6 | | +--------- 5 +--+----------- 4 | | +--+----------------- 3 | | +--+----------------------- 2 +--+----------------------------- 1 1. Course over ground, degrees true 2.
  • Page 75 Data sentences (output) VBW- Dual ground/water speed $--VBW,x.x,x.x,A,x.x,x.x,A,x.x,A,x.x,A*hh<CR><LF> | +--- 11 | +----- 10 | | +-------- 9 | +----------- 8 | | +-------------- 7 | +----------------- 6 +-------------------- 5 | | +------------------------ 4 | +--------------------------- 3 | +------------------------------ 2 +---------------------------------- 1 1.

  • Page 76: Program Number

    16. PROGRAM NUMBER Pub No., Reason for Modification, Software (Program numer) Date DS-300 OME-72360-S CP board 665-0100-209 Modified to conform to IEC 61162-1 Edition 2 DS-310 MCP board 665-0110-111 2005/8 FT board 665-0120-100 KL board 665-0130-100 MIF board 665-1004-002 DS-320 CP board 665-0160-102 DS-300 OME-72360-V...
  • Page 77 17. LIST OF ABBREVIATION Abbreviation Meaning Abbreviation Meaning Automatic ENTER Enter ADVANCE Advance ERASE Erase Alarm EXECUTE Execute ALARMS Alarm(s) External External April Fa, fa Fathom August February AUTO Automatic FORMAT Format Auxiliary Feet/Foot AVERAGE Average Ground Average Ground Ship's breadth Global Positioning System BERTH Berth...

  • Page 78: Abbreviation

    Abbreviation Meaning Abbreviation Meaning SHIP'S Ship's MENU Menu Simulation Minute(s) SOURCE Source MODE Mode Speed North SPEED Speed N UP North Up SYSTEM System Navigation True Nautical Mile(s) TIME Time November TOTAL Total North Up TRACK Track October TRACKING Tracking TRIM Trim Track...
  • Page 79 Own ship symbols Symbol name and description Symbol graphic(s) Own ship-true scaled outline Own ship-simplified symbol ● Past track Tidal stream Navigation tools Description Symbol(s) User cursor Simulation mode Executing speed test ... Key symbols Symbol Meaning Expand the screen in the berthing mode Shrink the screen in the berthing mode Stops alarm 17-3...

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