Koden MDC-1840BB Operation Manual
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Koden MDC-1840BB Operation Manual

Koden MDC-1840BB Operation Manual

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  • Page 2: Declaration Of Conformity

    Declaration of Conformity (As required by Article 6.3 of Directive 1999/5/EC-RTTE Directive) Declares under his sole responsibility that the produced Marine Radar System manufactured Koden Electronics Co., Ltd. 5278 Uenohara Uenohara-Shi, Yamanashi-Ken 409-0112 Japan Telephone +81 554 20 5865 Telefax +81 554 20 5880...
  • Page 3 Declaration of Conformity (As required by Article 6.3 of Directive 1999/5/EC-RTTE Directive) Declares under his sole responsibility that the produced Marine Radar System manufactured Koden Electronics Co., Ltd. 5278 Uenohara Uenohara-Shi, Yamanashi-Ken 409-0112 Japan Telephone +81 554 20 5865 Telefax +81 554 20 5880...
  • Page 4 ○ c 2003 2004 2005 2006 2007 2008 Koden Electronics Co.,Ltd. All rights reserved. No part of this publication may be reproduced, transmitted, translated in any form by any means without the written permission of Koden Electronics Co., Ltd.
  • Page 5 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Preface Operation Manual Preface Safety Notices OPERATOR SAFETY Watch for the rotating antenna: The radar antenna will start to rotate without notice. For your safety, keep away from the area in the vicinity of the radar antenna. Be aware of RF Radiation Hazard: The active radar antenna radiates powerful RF energy.
  • Page 6 Preface MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Operation Manual before accessing the internal circuitry and discharge any residual voltages in capacitors by an appropriate method. Only qualified personnel should attempt these maintenance procedures. MAINTENANCE SAFETY Beware of residual high voltages: High voltages may remain in the capacitors and the anode cap on the Cathode Ray Tube several minutes after you have turned the power switch off.
  • Page 7 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Preface Operation Manual Various symbols used in this manual The following symbols are used in this manual. You are requested to be fully aware of the meaning of each symbol before carrying out inspection and maintenance on this radar system...
  • Page 8 Preface MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Operation Manual HOW TO USE THIS MANUAL Scope of this manual This manual provides necessary information for installation, operation and maintenance of MDC-1800BB series radar systems. Organization of this manual This manual is divided into chapters for quick and easy finding of the information you require.
  • Page 9 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Preface Operation Manual Chapter 4: Installation Installation considerations Unpacking each component of the system Inspection of each component unit and accessories Setting the units Cable routing and connections Installation procedure Setting up after installation Setting up option Chapter 5:...
  • Page 10 Preface MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Operation Manual Chapter 8: Trouble Shooting And On Board Servicing Information required for service Self diagnosis functions provided Trouble shooting On board servicing Chapter 9: Maintenance Periodic inspection and cleaning Chapter 10: Technical References Serial input data sentence detail...

  • Page 11: Table Of Contents

    MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 1 Operation Manual General Descriptions Chapter 1 General Descriptions Contents Page No. 1.1 Outline of the equipment ............1-1 1.2 Equipment category ..............1-1 1.3 EMC compliance statement............. 1-1 1.4 System configuration............... 1-2 1.5 Software type name used ............1-3...

  • Page 12: Outline Of The Equipment

    3ft, 4 ft or 6 ft aerial, which is mounted on the transceiver unit of either 4kW(For MDC-1840BB/1841BB), 6kW(For MDC-1860BB), 12 kW (For MDC-1810BB), or 25 kW (For MDC-1820BB) type. The 4 foot and 6 foot aerials are encapsulated in a water-sealed, durable plastic case.

  • Page 13: System Configuration

    Chapter MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series General Descriptions Operation Manual 1.4 System configuration The MDC-1840BB, MDC-1841BB, MDC-1860BB, MDC-1810BB and MDC-1820BB radar sets are configured as follows: Refer to Figure 1 for the system configuration of this series. MDC-1840BB Component Unit Sub-unit Type name...

  • Page 14: Software Type Name Used

    MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 1 Operation Manual General Descriptions MDC-1810BB Component Unit Sub-unit Type name Antenna Unit Not assigned Aerial, 4-foot RW701A-04 Aerial, 6-foot RW701A-06 Transceiver RB718A (12 kW) Processor Unit MRM-100 Operation Unit MRO-100 MDC-1820BB Component Unit Sub-unit Type name...
  • Page 15 (11-40 VDC) DC mains 10.8 – 41.6 VDC (RB715A/716A/717A/718A) 21.6 – 41.6 VDC (RB719A) AC Power Cable Type: VV2D8 Length: 3 m AC mains AC/DC Rectifier 100/115/200/230 VAC Type PS-010 Figure 1.1 System configuration of MDC-1840BB/1841BB/1860BB/1810BB/1820BB series of radar 93142122-07...
  • Page 16 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 2 Operation Manual Equipment Supplied Chapter 2 Equipment Supplied Contents Page No. 2.1 Standard equipment list............2-1 2.2 Spare parts list................2-2 2.3 Installation material list............2-2 2.4 Optional items ................2-3 93142122-07 Contents...

  • Page 17: Standard Equipment List

    MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 2 Operation Manual Equipment Supplied Chapter 2 Equipment Supplied 2.1 Standard equipment list MDC-1840BB Item name Type name Remark Weight/length Q’ty Aerial RW701A-03/04 3ft / 4 ft 5 kg / 6 kg Transceiver unit RB716A 4 kW...
  • Page 18 Chapter 2 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Equipment Supplied Operation Manual MDC-1860BB Item name Type name Remark Weight/length Q’ty Aerial RW701A-04/06 4 ft / 6 ft 6 kg / 8 kg Transceiver unit RB717A 6 kW 17 kg Processor unit MRM-100 5.5 kg...

  • Page 19: Spare Parts List

    Fuse Normal blow Motor power supply Tubular (φ 5 x 25) Fuse 0.3A Normal blow High voltage power supply Tubular (φ 5 x 25) MDC-1840BB/1860BB/1810BB/1820BB (Common use) Description Rating Remark Shape (Dimensions) Q’ty Fuse Normal blow Main power supply Tubular (φ6.3 x 32)

  • Page 20: Installation Material List

    Hexagonal bolt B10X25U Antenna unit Plain washer 2W10U Antenna unit Spring washer SW10U Antenna unit Ferrite core E04RA400270150 Processor unit MDC-1840BB/1860BB/1810BB/1820BB (Common use) Description Rating Q’ty Hexagonal bolt B12X55U Antenna unit N12U Antenna unit Plain washer 2W12U Antenna unit Spring washer...
  • Page 21 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 2 Operation Manual Equipment Supplied Connectors attached on both Connecting cable in 242J159098C-20M 20 m extra length ends 242J159098D-30M 30 m RB716A/RB717A/ RB718A/RB719A 242J159098E-XM 100 m max (See NOTE) NOTE: The length of the cable is specified by the customer within 100 meters...
  • Page 22 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 3 Operation Manual Technical Specification Chapter 3 Technical Specification Contents Page No. 3.1 Antenna specification .............. 3-1 3.2 Display specification..............3-1 3.3 ATA specification (Option)............3-2 3.4 AIS specification (Option)............3-2 3.5 Serial data and sentence used ..........3-2 3.6 Power Supply................

  • Page 23: Antenna Specification

    MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 3 Operation Manual Technical Specifications Chapter 3 Technical Specifications 3.1 Antenna specification Model name MDC-1840BB MDC-1841BB MDC-1860BB MDC-1810BB MDC-1820BB Aerial length 3 feet / 4 feet 2 feet 4 feet / 6 feet Peak power 12kW 25kW...

  • Page 24: Ata Specification (Option)

    Chapter 3 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Technical Specifications Operation Manual Trail display Every scan, 15 sec, 30 sec, 1 min, 3 min, 6 min, 12 min and OFF interval Alarm Entry alarm [alarm range (Minimum 0.5 NM), depth and bearing can be...

  • Page 25: Ais Specification (Option)

    MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 3 Operation Manual Technical Specifications 3.4 AIS specification (Option) Number of targets displayed Up to 64 activated targets and sleeping targets in total Numerical data indication MMSI, CPA, TCPA, CSE/COG, STW/SOG On screen display Symbols, target number and vectors.

  • Page 26: Environmental Specification

    Chapter 3 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Technical Specifications Operation Manual Antenna RB718A/RW701A-04 1.4 m 0.95 m RB718A/RW701A-06 1.4 m 0.95 m RB719A/RW701A-04 1.4 m 0.95 m RB719A/RW701A-06 1.4 m 0.95 m Processor Unit MRM-100 1.6 m 1.15 m Operation Unit MRO-100 0.60 m 0.40 m...
  • Page 27 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 3 Operation Manual Technical Specifications Figure 3.1 External dimensions of the Antenna unit, RB715A 0093142122-08...
  • Page 28 Chapter 3 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Technical Specifications Operation Manual Figure 3.2 External dimensions of the Antenna unit, RB716A 0093142122-08...
  • Page 29 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 3 Operation Manual Technical Specifications [Antenna unit] Figure 3.3 External dimensions of the Antenna unit, RB717A / RB718A 0093142122-08...
  • Page 30 Chapter 3 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Technical Specifications Operation Manual Figure 3.4 External dimensions of the Antenna unit, RB719A 0093142122-08...
  • Page 31 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 3 Operation Manual Technical Specifications [Processor unit] Figure 3.5 External dimensions of the Processor unit, MRM-100 [Operation unit] Figure 3.6 External dimensions of Operation Unit, MRO-100 0093142122-08...
  • Page 32 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 4 Operation Manual Installation Chapter 4 Installation Contents Page No. 4.1 Installation considerations ............4-1 4.2 Unpacking each component of the system......4-1 4.3 Inspection of each component unit and accessories ... 4-1 4.4 Setting the units ............... 4-1 4.4.1 Antenna Unit..................
  • Page 33 Chapter 4 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Installation Operation Manual Page No 4.8 Setting up option ..............4-21 4.8.1 AIS Interface (Option) ............... 4-21 4.8.2 Remote Display operation..............4-21 4.8.2.1 Connecting the Remote Display ..........4-21 4.8.2.2 Required set up ..............4-21 4.8.2.3 Possible operation on Remote Display........

  • Page 34: Installation Considerations

    MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 4 Operation Manual Installation Chapter 4 Installation 4.1 Installation considerations General Qualified service personnel should perform the installation of the MDC-1800BB series. The installation comprises the following operations. (1) Unpacking each component of the system. (2) Inspection of the exterior of each component unit and accessory.

  • Page 35: Cable Routing And Connections

    Chapter 4 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Installation Operation Manual (4) The antenna unit should be positioned forward of large structure and exhaust stacks, to avoid causing blind sectors on the radar screen as well as contamination from engine exhaust on the radar antenna aperture.

  • Page 36: Processor Unit

    MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 4 Operation Manual Installation 4.5.2 Processor Unit (1) The processor unit must be grounded to the hull via a grounding stud at the rear of the processor unit. 4.6 Installation procedure 4.6.1 Installing the Transceiver Unit When mounting the unit, position the transceiver unit as shown, so that a notched part of the transceiver base is directed towards the aft.
  • Page 37 Chapter 4 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Installation Operation Manual Ship’s heading Chassis Radome(bottom) Mount base Washer Spring washer Included Cable inlet M10 Hexagonal bolt Fix four screws Radome scanner Ship’s heading Cable recess provided here Open scanner Figure 4.2 Details of the base fixing...

  • Page 38: Fitting The Aerial

    MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 4 Operation Manual Installation 4.6.2 Fitting the Aerial (1) Remove the protection cap on the outlet of the rotating base. (2) Fit the aerial on to the rotating base. Orient the aerial front face (the company logo printed on it) to the direction to which two arrow-marks on the rotating base point.

  • Page 39: Connecting The Cable

    Chapter 4 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Installation Operation Manual 4.6.3 Connecting the cable 4.6.3.1 Connecting the cable for the Radome type scanner 1) Be sure that the power is off. 2) Remove the upper part of the radome from the scanner unit. Lift it vertically to avoid bumping it against the antenna.
  • Page 40 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 4 Operation Manual Installation Antenna Stern side Shield cover Cable shield Fixing plate Fix connector on Rubber ring PCB(X11, X12) Radome (bottom) Interconnecting cable Figure 4.5 Connecting the cable to the antenna Inner shield X11 (Connect here)
  • Page 41 Chapter 4 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Installation Operation Manual 4.6.3.2 Connecting the cable for the Open type scanner (1) Remove the front and rear covers by loosening fixing bolts (4 bolts each). (2) Remove the TR(transceiver) unit by removing two fixing bolts. Make sure the magnetron fitted on the transceiver does not attract any magnetizing material.
  • Page 42 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 4 Operation Manual Installation ANTENNA UNIT PROCESSOR UNIT Description Color Color Description +250V Violet Violet +250V Blue +24V Yellow Orange(Larger) +12V +40V Red(Larger) Yellow +40V Yellow (Larger) Braid DATA-RTN +40V-RTN Green (Larger) Red (Coax) DATA +40V-RTN Blue (Larger)

  • Page 43: Installing The Processor Unit

    Chapter 4 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Installation Operation Manual 4.6.4 Installing the Processor Unit The Processor Unit can be installed on tabletop or bulkhead. Use the following procedure for installation. (1) Determine the location observing the precaution given in Para 4.4.2. (2) Place the Processor Unit onto the position where the unit is installed and fix it using the truss tapping screws prepared in the installation material kit.

  • Page 44: Installing The Operation Unit

    MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 4 Operation Manual Installation Figure 4.9 Service space required for the Processor Unit 4.6.5 Installing the Operation unit The Operation Unit can be installed in table mount or flush mount mode. 4.6.5.1 Table mounting (1) Remove the screw cover (4 positions) at the corner of the operation unit. To do so, insert a thin, flat screwdriver into a gap between the cover and the operation unit.
  • Page 45 Chapter 4 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Installation Operation Manual Screw cover (4 positions) M5 (5 mm) Screw (4 positions) Operation unit M5 (5 mm) tapping screw (4 positions) Mounting bracket Figure 4.10 Mounting the Control unit Figure 4.11 Service space required for the Operation unit...

  • Page 46: Flush Mounting

    MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 4 Operation Manual Installation 4.6.5.2 Flush mounting Preparation: (1) Cut aperture in surface to the dimensions shown below (2) Mark the fixing points with a sharp-edged tool. Figure 4.12 Dimensions of the Operation unit mounting aperture Installation: (1) Remove the mounting bracket from the Control Box.
  • Page 47 Chapter 4 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Installation Operation Manual Screw covers (4 pcs) M4 screws (4 pcs) Operation Unit Figure 4.13 Removing the Operation Unit from the Mounting Bracket Mounting bracket M4 Tapping-screws (4 pcs) Screw covers (4 pcs) Figure 4.14 Installing the Operation Unit onto the console panel...
  • Page 48 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 4 Operation Manual Installation 4.6.6 Connecting the cable to the Processor Unit Connect the antenna cable, power cable and the data cable to the designated sockets as shown in Figure 4.15. Pin assignment on Pin assignment on...

  • Page 49: Link Setting For The Gyrocompass

    Chapter 4 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Installation Operation Manual 4.6.7 Link setting for the gyrocompass When the Gyro signal voltage is lower than 50V, change the link positions for J721 to J7125 from “2-3” to “1-2” on the Main Logic PCB (E47-700*) as shown below.
  • Page 50 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 4 Operation Manual Installation Ferrite core Connector Figure 4.17 Ferrite core assembling for Power cable 0093142122-11 4-17...

  • Page 51: Setting Up After Installation

    Chapter 4 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Installation Operation Manual 4.7 Setting up after installation A few set ups are required after installation. Before carrying out the setting up procedures, check the following items in order to make sure the equipment operates in normal manner: (1) Check that the ship’s power supply is properly rated to operate the radar system.

  • Page 52: Transmission Timing

    MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 4 Operation Manual Installation Please perform the following adjustment with entering the maintenance mode by press MODE key and power on ; 1. Set the range scale to 12NM and above to watch a land or a mountain on the screen with pressing the range[+] key.

  • Page 53: Ship's Heading Setup

    Chapter 4 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Installation Operation Manual 4.7.3 Ship’s heading set up SYSTEM MENU: SYSTEM SETUP/HDG Adjusts the bearing of the radar picture shown on the screen. First, take an optical bearing of a stationary target located within a viewable range using a standard magnetic compass on the ship.
  • Page 54 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 4 Operation Manual Installation sheet (GAIN/SEA/HEIGHT sheet, hereafter). (8) Repeat the above procedure for all range scales, if required. 4.7.4.2 STC (Height) setting The STC characteristic is more less subject to vary depending on the height of the antenna from the sea surface.
  • Page 55 Chapter 4 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Installation Operation Manual 4.7.4.3 Manual STC setting This setting allows the maximum STC range to be effective up to 6 NM. Use the following procedure to set up. (1) Set radar controls as follows: Range scale: 12 NM, RAIN/SEA: 0, GAIN: 8, BRILL: 10 (Max) (2) Activate VRM 1 per: DISP>MARK>VRM 1>ON and press the ENT key.
  • Page 56 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 4 Operation Manual Installation GAIN/SEA/HEIGHT Setting Record sheet Pulse Range scale GAIN setting length Initial Initial 96NM(72or64NM) 48NM 24NM 12NM 12NM 1.5NM 1.5NM 0.75NM 0.75NM 0.5NM 0.25NM 0.125NM STC HEIGHT : Initial setting: New setting: 0093142122-11 4-23...

  • Page 57: Setting Up Option

    Chapter 4 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Installation Operation Manual 4.8 Setting up option 4.8.1 AIS Interface(Option) DISP MENU: NAV/AIS Activate AIS function from DISP/NAV/AIS menu. Automatic Identification System(AIS) will automatically display ships symbol and data around your ship. The range of the data display ships can be set from RADAR/AIS menu.
  • Page 58 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 4 Operation Manual Installation off-centering, changing mode of operation, VRM, EBL, fixed rings, etc. In the following circumstances, the display presentation becomes abnormal but is not fault. When the transmission is turned off, the slave screen is displayed with plural coaxial video caused by non-updated video data.
  • Page 59 Chapter 4 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Installation Operation Manual Pin assignment on Pin No. NAME REMOTEConnector VIDEO OUT (Top view) TRIG OUT AZIP OUT SHF OUT VIDEO IN TRIG IN AZIP IN SHF IN +12Vdc(Not used) Figure 4.21 Remote connector 4-26 93142122-11...

  • Page 60: Installation Of The Ata Module, Mre-300

    MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 4 Operation Manual Installation APPENDIX 1 Installation of the ATA module, MRE-300 The ATA module MRE-300 is installed inside the display unit. Use the following the instructions for installation. (1) Locate the position of the four fixing studs on the Main Logic PCB (E47-700*) prepared for the ATA module.

  • Page 61: Installation Of The Gyro Interface Module, Ksa-08A

    Chapter 4 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Installation Operation Manual Figure A.1 Position of the ATA and AIS modules to be installed AIS connector pinouts and cable color coding designaltion: Cable type name Port name Pin number Signal name Color code CW-387-5M Shield...
  • Page 62 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 4 Operation Manual Installation Reconnect the cables to the connectors J707 and J718 on the topside of the Main Logic PCB. (Refer to the figure A.2) Reconnect all cables to the Main Logic PCB. Cable connecting list...
  • Page 63 Chapter 4 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Installation Operation Manual Main cabinet chassis J517/J518 J512 ATA MRE-300 PCB module (E35-703*) J515 J707 KSA-08A PCB module (E47-510*) J718 Main Logic PCB (E47-700B) J708 AIS-100 PCB module (E47-720*) Figure A.2 Fitting ATA, AIS and Gyro Interface modules into Main Logic PCB...

  • Page 64: Optional Cables Pinouts And Cable Color-Coding Designation

    MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 4 Operation Manual Installation APPENDIX 2 Optional cables pinouts and cable color-coding designation DATA connector pinouts and cable color coding designaltion: Cable type name Port name Pin No. Signal name Color code CW-376-5M DATA Shield Shield, Blue...

  • Page 65: Recommended Tft Display

    Chapter 4 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Installation Operation Manual APPENDIX 3 Recommended TFT Display Manufacturer Jakob Hatterland Display AS (Norway) Type name JH17T01MMDA2 JH18T01MMDA2 JH19T01MMDA2 Screen size (inch) 17.4 18.1 19.0 Number of dots 1280 x 1024 1280 x 1024 1280 x 1024 Dot pitch (mm) 0.27 x 0.27...
  • Page 66 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 4 Operation Manual Installation CONRAC GmbH KENT MODULAR ELECTRONICS LTD Manufacturer (Germany) (UK) Type name 6019SD 29LR183D45UN 29LR193D35MP Screen size (inch) 19.0 18.1 19.0 Number of dots 1280 x 1024 1280 x 1024 1280 x 1024 Dot pitch (mm) 0.294 x 0.294...

  • Page 67: Basic Operation

    MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 5 Operation Manual BASIC OPERATION Chapter 5 Basic Operation Contents Page No. Introduction................5-1 Control Panel Layout ............. 5-1 Operating Controls ..............5-1 Getting Started................ 5-7 Basic Radar Operations ............5-8 5.5.1 Range scale selection ............... 5-8 5.5.2...

  • Page 68: Introduction

    MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 5 Operation Manual Basic Operation Chapter 5 Basic Operation 5.1 Introduction In this chapter, all necessary operating instructions are given from getting started to turning off the system. The following panel layout illustration will give you an idea what sort of key switches and controls are available as well as their brief functional descriptions.
  • Page 69 Chapter 5 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Basic Operation Operation Manual SWITCHES AND CONTROLS POWER switch POWER The POWER key switch turns on and off the mains supply to the radar system. STBY/TX switch PULSE When the system goes into standby mode after 3 minutes...
  • Page 70 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 5 Operation Manual Basic Operation GAIN control The GAIN control is used to vary the receiver gain. Turning the GAIN GAIN control CW increases the receiver gain, and CCW decreases the gain. Select AUTO1, AUTO2, or HARBOR by ADJUST/ADJUST MENU, the automatic gain control will come into effect.
  • Page 71 Chapter 5 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Basic Operation Operation Manual To select the second EBL, press MENU key and select 2nd EBL item from the DISP/MARK menu. Then press ENT key and select ON. To erase the second EBL, select OFF from the menu. To select...
  • Page 72 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 5 Operation Manual Basic Operation OFFCENTER key The OFFCENTER key is used to offset the picture to an assigned point determined by the cross cursor. First, move the cross cursor with Joystick to the point where the picture is to be offset. Second, CENTER press the OFF CENTER key.
  • Page 73 Chapter 5 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Basic Operation Operation Manual UPDATE key The UPDATE key is used in the EPA function, in conjunction with UPDATE the TARGET key and Joystick, to correct a plotted target position. For detail, refer to Para 6.6.11 “Correcting the latest plotting position”.

  • Page 74: Getting Started

    MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 5 Operation Manual Basic Operation HL OFF Key The HL OFF key is used to momentarily remove the Heading Line HL OFF from the screen. When the key is pressed and held, the Heading Line will be removed and, when released it appears again.

  • Page 75: Basic Radar Operations

    Chapter 5 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Basic Operation Operation Manual (3) Press the STBY/TX key to transmit. The radar starts transmission and the radar video, alphanumeric and graphic information will be shown on the screen at a preset brilliance level. Refer to Figure 5.2 for possible screen presentation.
  • Page 76 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 5 Operation Manual Basic Operation １２ ＮＭ ADJUST SYSTEM RADAR DISP RADAR DISP ADJUST SYSTEM Ｇ Ｎ Ｄ Ｓ Ｔ Ａ Ｂ ＧＮ Ｄ Ｓ Ｔ Ａ Ｂ ＳＴＡＢ ＭＡＮ ＳＴＡＢ ＭＡＮ ２ ＮＭ ＬＰ ＴＵＮ Ｅ...

  • Page 77: Gain Control

    Chapter 5 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Basic Operation Operation Manual Table 5.1 Range vs Transmission Pulse Length(PL) RANGE(NM) Pulse code Pulse Length Pulse Length Pulse Length (4kW) (6/12kW) (25kW) 0.125 0.08 us 0.08 us 0.08 us 0.25 0.08 us 0.08 us 0.08 us 0.08 us...

  • Page 78: Anti-Clutter Rain Control

    MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 5 Operation Manual Basic Operation The Anti-clutter SEA control is effective up to approximately 6 NM, which can be switched to either manual or auto mode by ADJUST/ADJUST MENU. When first turned on, the anti-clutter sea control is defaulted to manual mode. To set the auto Anti-clutter mode, select AUTO1, AUTO2, or HARBOR by ADJUST/ADJUST MENU.

  • Page 79: Range Measurement Using Range Rings

    Chapter 5 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Basic Operation Operation Manual EBL bearing display. An arrow mark will be shown on the front of the digital display to indicate the selected EBL is active. (2) Use the same step as step (2) and (3) in the 1 EBL operation.

  • Page 80: Picture Off-Centering

    MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 5 Operation Manual Basic Operation (5) Move 1st VRM to touch the right front of the second target. The distance between the two targets will be shown on the bottom right center of the screen. The cursor position...
  • Page 81 Chapter 5 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Basic Operation Operation Manual 000.0 REL Head Up, Relative Motion (H UP RM) Ship’s position and heading line are always fixed to the screen center and 0 degree of the bearing scale, respectively. Bearings of the objects displayed on the screen are relative to ship’s heading.

  • Page 82: Setting The Guard Zone

    MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 5 Operation Manual Basic Operation 5.5.14 Setting the Guard Zone The Guard Zone Alarm warns the operator a target has entered the preset alarm zone. When the target stays in the zone for more than 8 seconds, the ALARM sign will flicker and an audio alarm sounds.

  • Page 83: Control Panel Brilliance

    Chapter 5 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Basic Operation Operation Manual Guard Zone Bearing of Guard Zone The Guard Zone width ALARM >BRG 000.0 WIDTH 000.0 The Guard Zone >RNG 0.500NM depth DEPTH 0.100NM EBL for setting the Guard VRM for setting the...
  • Page 84 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 5 Operation Manual Basic Operation OFF: The navigation display is turned off. OWN SHIP (COG/SOG): Own ship’s bearing and speed. OWN SHIP (TD): Own ship’s position in the LOP (Lane of Position) coordinate. OWN SHIP (L/L): Own ship’s position is expressed in latitude and longitude.

  • Page 85: Appendix 1 Interpretation Of Radar Images

    Chapter 5 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Basic Operation Operation Manual APPENDIX 1: Interpretation of Radar Images actors that affect the radar detection range Radar Horizon The radar uses microwave energy that travels in a straight line like light. Light is reflected towards the surface of the earth...
  • Page 86 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 5 Operation Manual Basic Operation Picture resolution The picture resolution depends on the bearing and range discriminations that are solely determined by the antenna horizontal beam width and the transmission pulse length. These factors are defined in the following explanations and illustrations.
  • Page 87 Chapter 5 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Basic Operation Operation Manual Reading the radar images The following pictures illustrate how the radar picture is constituted from an actual situation around your own ship. Picture on the screen Actual view Buoy No.2 Echo of a small boat...
  • Page 88 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 5 Operation Manual Basic Operation (2) False echo caused by multiple echoes True echo When a boat passes near a large boat, radio waves are repeatedly reflected between own boat and the Target boat nearby, causing several echoes at regular...

  • Page 89: Appendix 2 Receiving The Radar Beacons And Sarts

    Chapter 5 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Basic Operation Operation Manual APPENDIX 2: Receiving the Radar Beacons and SART The X-band radar system is required to be capable of receiving signals emitted from a Radar Beacon and a SART (Search and Rescue Transponder). To receive those signals by the radar system, use the following procedures.
  • Page 90 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 5 Operation Manual Basic Operation 1 nm or more beyond Within 1 nm of the SART position the SART position Beam width of the radar signal received SART position Slow sweep signal SART position Current position Fast sweep signal...
  • Page 91 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 6 Operation Manual Using The Menu Chapter 6 Using The Menu Contents Page No. [Common key operation]..............6-1 6.1 RADAR Menu ................6-2 6.1.1 Picture Stabilization ................6-2 6.1.2 Ship’s Heading .................. 6-3 6.1.3 Ship's Speed ..................6-3 6.1.4...
  • Page 92 Chapter 6 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Using The Menu Operation Manual Page No. 6.2.3.4 ID DISP (ID Number Display) ........... 6-9 6.2.3.5 OUTLINE DISP (Outline Data Display)........6-9 6.2.3.6 AIS (Automatic Identification Systems) Data Display ....6-9 6.2.3.7 Navigation Display, Map Function ..........6-9 6.2.3.8...
  • Page 93 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 6 Operation Manual Using The Menu Page No 6.4.2.5 HDG (Ship’s Heading Adjustment).......... 6-19 6.4.2.6 HEIGHT (STC Law Selection)..........6-19 6.4.2.7 TM RESET (True Motion Reset Position) ....... 6-19 6.4.2.8 KEY SOUND (Key Click Sound) ..........6-20 6.4.2.9...
  • Page 94 Chapter 6 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Using The Menu Operation Manual Page No. 6.7.5 ATA symbols ................... 6-31 6.7.6 Setting the Guard Zone..............6-32 6.7.6.1 To set up the position of the Guard Zone ....... 6-32 6.7.6.2 To set up the depth and width of the Guard Zone....6-32 6.8 Operating the AIS..............

  • Page 95: [Common Key Operation]

    MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 6 Using The Menu Operation Manual Chapter 6 Using The Menu １２ ＮＭ RADAR DISP ADJUST SYSTEM RADAR DISP ADJUST SYSTEM Ｇ Ｎ Ｄ Ｓ Ｔ Ａ Ｂ Ｇ Ｎ Ｄ Ｓ Ｔ Ａ Ｂ ＳＴ ＡＢ...

  • Page 96: Radar Menu

    Chapter 6 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Using The Menu Operation Manual highlighted. Subsequent pressing of the MENU key brings back to the normal operation. 1) Press the MENU key. 2) Highlight a desired menu by pressing the Joystick. 3) Highlight a desired sub menu or item by pressing the Joystick up or down.

  • Page 97: Ship's Heading

    MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 6 Using The Menu Operation Manual water speed sensor or a ground speed sensor). When a water speed sensor is used, a tidal effect causes the deviation in picture stabilization. In such a case, the Set and Drift correction must be made by manual means or NMEA signal.

  • Page 98: Cursor Position

    Chapter 6 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Using The Menu Operation Manual 6.1.5 Cursor Position Indication Meaning CURSOR T BRG Cursor True or Relative(R) Bearing indication Cursor Range Cursor Latitude Cursor Longitude NOTE: To use this function the heading and latitude/longitude data must be supplied from the gyro/log interface unit KSA-08A and a GPS or Loran-C navigator unit.

  • Page 99: Cpa Alarm Limit

    MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 6 Using The Menu Operation Manual Indication Meaning Selection TRUE (REL) VECT Vector Indication Time OFF, 30SEC, 1MIN, 3MIN, 6MIN, 12MIN, 30MIN, 60MIN 6.1.7 CPA Alarm Limit This function is used to set up the warning limit at which the CPA and TCPA alarms are activated.

  • Page 100: Disp Menu

    Chapter 6 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Using The Menu Operation Manual MMSI Ship's ID Closest Point of Approach TCPA Time to CPA CSE/COG Course/Course Over Ground STW/SOG Speed Through Water/Speed Over Ground Range T BRG True Bearing 6.2 DISP Menu The DISP menu has three sub menus; MARK, ECHO, and NAV. Each menu has the following sub menus.

  • Page 101: Vrm Unit

    MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 6 Using The Menu Operation Manual 6.2.1.2 VRM Unit Indication Meaning Selection VRM UNIT Unit for VRM NM, KM, SM 6.2.1.3 RANGE RINGS Indication Meaning Selection RANGE RINGS Range Rings OFF, ON 6.2.1.4 BRG TRUE/REL (Bearing True or Relative)

  • Page 102: Enh (Echo Enhancement)

    Chapter 6 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Using The Menu Operation Manual 6.2.2.3 ENH (Echo Enhancement) Indication Meaning Selection Radar Echo Enhance OFF, ON When the ENH is set to ON, the target echo, which signal level exceeds a predetermined level, are stretched towards range for better recognition.

  • Page 103: Stb (Screen Stabilizing Mode)

    MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 6 Using The Menu Operation Manual 6.2.3.1 STAB (Screen stabilizing Mode) Indication Meaning Selection STAB Stabilizing Mode SEA, GND 6.2.3.2 PLOT MODE (Plotting Mode) Indication Meaning Selection PLOT MODE Plot Mode EPA, ATA In this radar series, the Electronic Plotting Aid (EPA) function is installed as standard, while the Automatic Tracking Aid (ATA) unit is an optional item.

  • Page 104: Tm Reset (True Motion Center Reset)

    Chapter 6 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Using The Menu Operation Manual NAV ALIGN MODE Navigation Display Align Mode OFF, MANUAL, SERIAL Map Display OFF, ON MAP DATUM Map Display Datum NONE, WGS84, WGS72, SGS85, PE90 GPS DATUM GPS Datum See NOTE REFERENCE...

  • Page 105: Navigation Position Alignment

    MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 6 Using The Menu Operation Manual Indication Meaning Selection PLOT CONTR Plot Contrast 0 to 99 Changes the brilliance of plotting symbols and ID number used for the EPA and ATA functions. Indication Meaning Selection DATA CONTR...

  • Page 106: Preset

    Chapter 6 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Using The Menu Operation Manual Indication Meaning Selection MANUAL SELECT GAIN Auto/Manual Gain AUTO, MANUAL Auto/Manual STC AUTO, MANUAL RAIN Auto/Manual FTC AUTO, MANUAL 6.3.2 PRESET This menu is protected from ordinary operations. To use this function, first turn off the radar set.

  • Page 107: Gain Auto/Manual (Gain Preset)

    MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 6 Using The Menu Operation Manual 6.3.2.3 GAIN AUTO/MANUAL (Gain Preset) Indication Meaning Selection GAIN AUTO/MANUAL Gain preset 1 to 30 GAIN AUTO: This function is used to preset the reference receiver gain in AUTO mode. Once set, the receiver gain will be automatically controlled to a preset level, providing a constant optimized receiver gain even if the amount of video presentation and climatic condition change.

  • Page 108: Mbs (Main Bang Suppression)

    Chapter 6 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Using The Menu Operation Manual Select a desired level by the Joystick and press the ENT key to fix the entry. RAIN MANUAL: This function is used to preset the reference receiver Anti-Clutter Rain in MANUAL mode. Once set, the Anti-Clutter Rain will be controlled with reference to the preset level.

  • Page 109: Hdg Input (Heading Input)

    MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 6 Using The Menu Operation Manual 6.4.1.1 HDG INPUT (Heading Input) Indication Meaning Selection HDG INPUT Heading Input GYRO, HDT GYRO: The compass data is taken from a gyrocompass via the gyro interface unit KSA-08A. Use the GYRO SET to set up the bearing.

  • Page 110: Gnd Stab Spd (Ground Stabilized Input)

    Chapter 6 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Using The Menu Operation Manual Table 6.1 Available NMEA sentences and talker devices Sentence Talker identifier On-screen display Device name DO LOG/WT-Speed Doppler LOG Speed LOG, magnetic Speed LOG, mechanical DO LOG/BT-Speed Doppler LOG 6.4.1.4 GND STAB SPD (Ground Stabilized Speed) This function is used to select the signal source of the ground speed and set/drift inputs.

  • Page 111: Log Pulse (Log Pulse Rate)

    MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 6 Using The Menu Operation Manual Table 6.3 The relation of the sentences and available device names Sentence Talker identifier available On-screen display Device name DO LOG/WT-Speed Doppler LOG Speed LOG, magnetic Speed LOG, mechanical DO LOG/BT-Speed...

  • Page 112: Systemsetup

    Chapter 6 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Using The Menu Operation Manual 6.4.2 SYSTEM SETUP This menu is used to select various functional parameters, which are specific to respective users and their operating conventions. NOTE: This menu is protected from ordinary operations. To use this function, turn off the radar se first.

  • Page 113: Hdg (Ship's Heading Adjustment)

    MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 6 Using The Menu Operation Manual 6.4.2.5 HDG (Ship’s Heading/Picture Bearing Adjustment) This function is used to correct the ship’s heading bearing to allow the entire radar picture to be set to correct bearings. Indication Meaning Selection Radar Echo Bearing Set 0.0 to 359.9...

  • Page 114: Key Sound Key Click Sound

    Chapter 6 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Using The Menu Operation Manual 66% circle of the screen radius Current ship’s bearing CENTER reset OPPOSITE reset COURSE reset Figure 6.1 Resetting point in the True Motion mode 6.4.2.8 KEY SOUND (Key Click Sound) This menu is used to turn on or off the key click.

  • Page 115: Trail Mode (Echo Trail Mode)

    MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 6 Using The Menu Operation Manual Indication Meaning Selection TRAIL MODE Echo Trail Mode PAINT, PLOT PAINT: The ship’s trail is displayed for the time specified by the operator. Once selected, the trail is displayed every picture scan for a specified time. After fully displayed within the time, the entire trail length is first shortened to 2/3 of a total length and then it continues to stretch to its full length.

  • Page 116: Alarm Test (Alarm System Test)

    Chapter 6 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Using The Menu Operation Manual 6.4.3.1 ALARM TEST (Alarm System Test) This function is used to verify that the alarm function is in normal order. Indication Meaning Selection ALARM TEST Alarm System Test OFF, ON Carry out the following operation to perform this function.

  • Page 117: Hour Meter

    MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 6 Using The Menu Operation Manual (6) To perform the ATA test function, use the SYSTEM/BITE/ATA TEST menu. 6.4.3.3 Hour Meter The following maintenance test items will be shown: Items shown Meaning Indication TOTAL HOUR Operation Hours Indicator...

  • Page 118: Operation Of The Epa

    Chapter 6 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Using The Menu Operation Manual I.S. GYRO -179.9 to 180.0 Ex. Heading Offset for $RAHDT RANGE UNIT Range Indication Unit NM, km, sm MOTOR SPEED Antenna Rotation Speed LOW, HIGH TIME Time Zone correction OFF, ON...

  • Page 119: Cpa And Tcpa

    MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 6 Using The Menu Operation Manual １２ ＮＭ ADJUST SYSTEM RADAR DISP RADAR DISP ADJUST SYSTEM Ｇ Ｎ Ｄ Ｓ Ｔ Ａ Ｂ Ｇ Ｎ Ｄ Ｓ Ｔ Ａ Ｂ Ｓ ＴＡ Ｂ Ｍ Ａ Ｎ ＳＴ Ａ Ｂ...

  • Page 120: Alarm Display

    Chapter 6 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Using The Menu Operation Manual Plot 5 Plot 4 Plot 3 Vector Plot 2 Plot 1 Current target Deleted plot Figure 6.5 Plotting sequence 6.6.4 Alarm display When 10 minutes has elapsed since a target has been plotted on the screen, the system judges that the reliability of the plot data is lost, and accordingly turns the audio alarm on together with the screen message “UNRELIABLE PLOT DATA”...

  • Page 121: Vect Time (Selecting The Vector Time)

    MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 6 Using The Menu Operation Manual VECT (Vector): The vector time of a plotted target. BRG (Bearing): The bearing of a target, plotted in true or relative mode. The bearing display is referenced to own ship. DIST (Distance): The distance of a target plotted from own ship.

  • Page 122: Warning Limit (Setting The Warning Limit Of Cpa And Tcpa)

    Chapter 6 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Using The Menu Operation Manual This symbol appears when a target is plotted for more than two points with its target number assigned. The target data is shown in the right side of the screen. Warning symbols The following symbols are used in the EPA functions to notify the operator of a high-risk target or invalid plotting.

  • Page 123: Operating The Ata

    MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 6 Using The Menu Operation Manual (1) Move the Joystick to move the cross cursor on to the new plot point. (2) Press the UPDATE key. Wrong plot will be corrected as shown below. Corrected plot Wrong plot...

  • Page 124: Ata Functions

    Chapter 6 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Using The Menu Operation Manual WARNING: The accuracy of the auto tracking function provided by the ATA could be affected by the following factors: (1) Sea clutter and weather clutter such as rain and snow may degrade the ATA tracking capability.

  • Page 125: Ata Symbols

    MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 6 Using The Menu Operation Manual data will be cleared. NOTE: The target detection echo level can be set with the menu “ADJUST/PRESET/TARGET LEVEL”. 6.7.5 ATA symbols Acquisition symbols The symbol mark for the plotted target changes as follows according to the plotting status: This symbol appears when a target is acquired for the first time.

  • Page 126: Setting The Guard Zone

    Chapter 6 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Using The Menu Operation Manual 6.7.6 Setting the Guard Zone The Guard Zone Alarm warns the operator an entry of a target to a preset alarm zone. When the target enters the zone, a flashing equilateral triangle with its apex down is shown to mark the target.

  • Page 127: Operating The Ais

    MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 6 Using The Menu Operation Manual Bearing of Guard Zone The Guard Zone width A target marked with the entry mark (Flashing) ALARM >BRG 000.0 WIDTH 000.0 The Guard Zone >RNG 0.500NM depth DEPTH 0.100NM EBL for setting the...
  • Page 128 Chapter 6 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Using The Menu Operation Manual (2) Select and set LIM (AIS range) In the RADAR menu. The AIS sleeping target symbols will be displayed on the screen within the LIM range. The LIM range can be set up to 20NM as maximum range.

  • Page 129: Ais Target Symbols

    MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 6 Using The Menu Operation Manual WARNING: The accuracy of the data provided by the AIS could be affected by the following factors: Degraded bearing and speed data fed from external sensor devices cause erratic vectors. If any error data fed from external sensor devices are detected, the following data provided by the AIS display will be also erratic.
  • Page 130 Chapter 6 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Using The Menu Operation Manual SOG, RNG and BRG) will be displayed in the AIS data window. Figure 6.11 Selected Target Symbol Dangerous Target If predicted CPA and TCPA values of a Target are smaller than the one being set up, the AIS target symbol will turn to a flashing bold symbol as shown below.

  • Page 131: Operating The Interswitch

    MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 6 Using The Menu Operation Manual the AIS transponder and own GPS/SHIP information. Guard Zone When the Guard Zone is set, an AIS target located in the Zone cause a AIS Guard Zone Alarm. The AIS symbol is displayed flashing and "Guard Zone Alarm" will be indicated in the AIS window..

  • Page 132: System Setting Modes

    Chapter 6 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Using The Menu Operation Manual 6.9.2 System Setting Modes 6.9.2.1 NORMAL This is the mode to use two radars as independent radars. The CONT1 controls the SCAN1 in the system diagram shown above, and the CONT2 controls the SCAN2 independently.

  • Page 133: Dual

    MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 6 Using The Menu Operation Manual 6.9.2.4 DUAL This is the mode that two display units will control one scanner unit. One of the scanner units and two display will be used on this mode. Both of the display unit can control the scanner unit such as pulse width, receiver band width.

  • Page 134: Type

    Chapter 6 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Using The Menu Operation Manual (3) DUAL Two display units control the scanner unit that is selected with MASTER radar on the TYPE item. Operations for the scanner unit will effect to the other display unit automatically.
  • Page 135 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 6 Using The Menu Operation Manual The indication and settings at CONT1 OTHER MODE INDEPENDENCE INDEPENDENCE TYPE MASTER MASTER STATUS STANDBY STANDBY The indication and settings at CONT2 OTHER MODE INDEPENDENCE INDEPENDENCE TYPE MASTER MASTER STATUS STANDBY STANDBY 2.

  • Page 136: Data Output Function

    Chapter 6 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Using The Menu Operation Manual The indication and settings at CONT1 OTHER MODE INDEPENDENCE INDEPENDENCE TYPE MASTER SLAVE STATUS STANDBY STANDBY The indication and settings at CONT2 OTHER MODE INDEPENDENCE INDEPENDENCE TYPE SLAVE MASTER STATUS STANDBY STANDBY 4.

  • Page 137: Installation

    MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 6 Using The Menu Operation Manual 1. Heading information Formatter: Output time period: 0.1 second 2. Speed information Formatter: Output time period: 0.1 second 3. Speed and Course over ground information Formatter: Output time period: set with SYSTEM / I/O SETUP / SERIAL TRANSMIT menu 4.

  • Page 138: Radar Image Bearing Offset

    Chapter 6 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Using The Menu Operation Manual 6.9.7 Option 6.9.7.1 radar image bearing offset The radar image bearing can be added an offset from the menu. If two radar displays do not installed as parallel, such as a dual bridge ferry, set an 180 degree offset for SLAVE or DUAL operation.

  • Page 139: Cable Connection

    MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 6 Using The Menu Operation Manual 6.9.8 Cable Connection Cable connection for REMOTE cable Radar No.1 Radar No.2 pin No. Name pin No. Name Connection Video Out Video Out Trigger Out Trigger Out Azimuth Out Azimuth Out...
  • Page 140 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 7 Operation Manual Graphic Displays Chapter 7 Graphic Displays Contents Page No. Entering the Graphic Mode ............. 7-1 Selecting the Graphic Display / DISPLAY ITEM SELECT MENU ..........7-2 7.2.1 Selecting each item ................. 7-2 7.2.2 NAVLINE....................7-3 7.2.3...

  • Page 141: Entering The Graphic Mode

    MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 7 Operation Manual Graphic Displays Chapter 7 Graphic Displays The MDC-1800BB series has a graphic mode in addition to the normal radar display to assist in navigation. The available graphics are NAVLINE (Navigation Line), MAP (Map) and 10 kinds of marks. The map is constituted by a set of Coastlines.

  • Page 142: Selecting The Graphic Display / Display Item Select Menu

    Chapter 7 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Graphic Displays Operation Manual NOTE: To use the graphic function, you need to enter the position data from external Electronic Position Fix System (EPFS). 7.2 Selecting the Graphic Display / DISPLAY ITEM SELECT MENU This menu shows the status of the current settings on all available graphic display items.

  • Page 143: Navline

    MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 7 Operation Manual Graphic Displays 7.2.2 NAVLINE The NAVLINE is a graphic display that shows a course or course separation zone on the radar screen. Up to 10 pairs of data can be registered (Registration number: 0 to 9) For registration of NAVLINE, refer to “7.3.1 Registering or modifying the NAVLINE data”...

  • Page 144: Registering Or Modifying The Navline Data / Navline Data Input Menu

    Chapter 7 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Graphic Displays Operation Manual COAST LINE No.0 MAP No.0 COAST LINE No.3 MAP No.1 MARK Figure 7.3 Structure of the Map 7.3 Registering or modifying the NAVLINE data / NAV LINE DATA INPUT MENU To use this function, carry out the following procedures: (1) Select the NAVLINE INPUT MENU.

  • Page 145: Registering Or Modifying The Map Data / Coast Line Input Menu

    MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 7 Operation Manual Graphic Displays stationary. To clear all position data, press HL OFF key at this state. Move the Joystick up or down to highlight an alphanumeric display (A0 – B9) under the POSITION NUMBER column. To clear the position data, press HL OFF key at this state.

  • Page 146: Registering Or Modifying The Mark Data / Mark Input Menu

    Chapter 7 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Graphic Displays Operation Manual Move the Joystick left or right to select the MAP NUMBER, 0 or 1. Press the ENT key to fix the selection. The blinking number will become stationary. Move the Joystick down to highlight the number shown right to the words COASTLINE NUMBER and press the ENT key.
  • Page 147 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 7 Operation Manual Graphic Displays stationary. To clear all mark data, press HL OFF key at this state. (5) Move the Joystick up or down to highlight the number shown right to the words POSITION NUMBER and press the ENT key. The number will blink.
  • Page 148 Chapter 7 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Graphic Displays Operation Manual Table 7.5 MARKS USED IN THE MAP Mark shape Applicable objects Light Lighthouse, Aeronautical light, Light beacon, etc. Buoy Large mooring buoy Radio and/or radar station Dry rock Awash rock Reef, submerged rock, etc.
  • Page 149 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 8 Operation Manual Trouble Shooting And On Board Servicing Chapter 8 Trouble Shooting And On Board Servicing Contents Page No. 8.1 Information required for service ..........8-1 8.2 Self diagnosis functions provided.......... 8-1 8.2.1 Alarm messages.................. 8-1 8.2.2 Status indicators ..................

  • Page 150: Information Required For Service

    MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 8 Operation Manual Trouble Shooting And On Board Servicing Chapter 8 Trouble Shooting And On Board Servicing This chapter covers simplified fault locating procedures to enable faulty areas to be identified on your vessel. 8.1 Information required for service Please advise the following details: (1) Name of vessel, Satcom number if available.

  • Page 151: Status Indicators

    Chapter 8 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Trouble Shooting And On Board Servicing Operation Manual (Alarm messages) Alarm messages Faults detected RADAR VIDEO ABNORMAL Video signal sent from the transceiver unit is erratic or not present at all. GYRO HDG XXX No bearing data is applied to the display unit.

  • Page 152: Trouble Shooting

    MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 8 Operation Manual Trouble Shooting And On Board Servicing 8.3 Trouble shooting This section provides information required to fix or diagnose the faulty part in MDC-1860BB/1810BB/1820BB radar systems. 8.3.1 First-line faultfinding Use the following tables that show brief diagnosis schedule to assist first-line servicing on board the ship.

  • Page 153: Faultfinding Chart

    Chapter 8 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Trouble Shooting And On Board Servicing Operation Manual Description of faults Possible cause of failures Corrective measures Aerial does not rotate 1. Motor fuse is blown. 1. Replace the motor fuse 2. Turning motor is not powered.
  • Page 154 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 8 Operation Manual Trouble Shooting And On Board Servicing 2. No response Ｎ Is Main Fuse F1 normal Replace the fuse Is the fuse rating correct? (not blown)? Ｎ Is the polarity of power Correct the polarity...
  • Page 155 Chapter 8 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Trouble Shooting And On Board Servicing Operation Manual 3. No display Are the cable connections between J728, 729 (Main Correct the faulty cable connections Logic PCB) and LCD Monitor correct? Check if the status of Ｎ...
  • Page 156 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 8 Operation Manual Trouble Shooting And On Board Servicing 5. Faulty radar picture Is background noise error message present at Gain max “RADAR VIDEO Go to “9. Antenna faults, position? ABNORMAL” shown? Radar echo abnormal” Ｎ Main logic board is faulty Is the radar echo displayed? Go to “9.
  • Page 157 Chapter 8 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Trouble Shooting And On Board Servicing Operation Manual 6. Interface (1) Gyro Interface Is the power supply voltage Ｎ Set ship’s supply voltage within the range (11 – 40 V) within the specified range specified? Ｙ...
  • Page 158 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 8 Operation Manual Trouble Shooting And On Board Servicing (2) LOG Interface Is the ship’s supply voltage within Set the voltage within the rated voltage range (12 – 40 V)? specified range Ｎ Is the LOG/Gyro Interface unit is...
  • Page 159 Chapter 8 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Trouble Shooting And On Board Servicing Operation Manual (3) IEC 61162-1 Interface Is the serial data (IEC Ｎ 61162-1) properly received signal polarity Correct the polarity via DATA 1,2 and 3 correct? connector and displayed? Press and hold the MODE key and turn the radar on.
  • Page 160 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 8 Operation Manual Trouble Shooting And On Board Servicing 7. Operation Unit Are the following connections in Main Logic PCB correct? Ｎ Does the radar turn on? 1) J701 and Power Supply Correct faulty connections 2) J704 and Operation Unit...
  • Page 161 Chapter 8 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Trouble Shooting And On Board Servicing Operation Manual 8. Others The display synchronization is unstable. Are the following sync signals present at TP12 and TP13 in Main Logic PCB. [TP12] [TP13] Main Logic PCB is faulty 15.6 μs...
  • Page 162 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 8 Operation Manual Trouble Shooting And On Board Servicing +250 V line is shorted Disconnect from Internal wiring in the Antenna Modulator PCB. Is the fault unit or Display unit is faulty removed? Modulator PCB is faulty...
  • Page 163 Chapter 8 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Trouble Shooting And On Board Servicing Operation Manual ○ Internal wirings Ｎ Is the motor power supply voltage Antenna unit Power (12V) present on J4-5 and J4-4? Supply in the Display unit is faulty Is the degree of motor brush Ｎ...
  • Page 164 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 8 Operation Manual Trouble Shooting And On Board Servicing No transmit Ｎ Is the Mod-HT fuse F3 Modulator PCB is faulty normal (not blown)? Ｙ +250 J2-1 Check for cable connection (Modulator PCB) normal? between antenna and display...
  • Page 165 Chapter 8 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Trouble Shooting And On Board Servicing Operation Manual Tuning meter is faulty Ｎ Is the tuning voltage on J1-3 IF PCB is faulty (IF PCB) about 2 V? Check for the cable connection between (J1) Modulator PCB...
  • Page 166 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 8 Operation Manual Trouble Shooting And On Board Servicing Poor sensitivity error message “MAGNETRON CURRENT The magnetron is faulty ABNORMAL” shown? Is the MIC monitor voltage in the MIC module is faulty following range? 30 – 70 mV...

  • Page 167: On Board Servicing

    Chapter 8 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Trouble Shooting And On Board Servicing Operation Manual 8.4 On board servicing 8.4.1 Replacing the fuses There are three fuses provided on the processor unit. Details are as follows: Fuse type and ratings Fuse name Shape (Dimensions in mm)
  • Page 168 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 9 Operation Manual MAINTENANCE Chapter 9 Maintenance Contents Page No. 9.1 Periodic inspection and cleaning..........9-1 9.1.1 Monthly check ..................9-1 9.1.2 Yearly check ..................9-1 93142122-07 Contents...
  • Page 169 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 9 Operation Manual Maintenance Chapter 9 Maintenance 9.1 Periodic inspections and cleaning Periodic inspection and cleaning is essential to allow the radar set to work in good order for a long period of time. 9.1.1 Monthly Check (1) Check the antenna radiation surface for stains due to dirt soot.
  • Page 170 Chapter 9 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Maintenance Operation Manual Antenna housing unit Gently turn screwdriver counter clockwise to remove the motor brush. Figure 9.2 Replacing the motor brushes 93142122-07...
  • Page 171 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 10 Operation Manual Technical References Chapter 10 Technical References Contents Page No. 10.1 Serial input data sentence detail....... 10-1 10.2 Tracking data output sentence detail ....10-6 10.3 Radar data output sentence detail ....10-7 10.3.1 Own Ship Data..............10-7 10.3.2...

  • Page 172: Serial Input Data Sentence Detail

    MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 10 Operation Manual Technical References Chapter 10 Technical References 10.1 Serial input data sentence detail Sentence name: IEC61162-1 or NMEA0183 Ver 2.30 Descriptions (1) Data priority Data such as waypoint display, own ship’s position and the speed against water are available from two different sentences in IEC61162-1.
  • Page 173 Chapter 10 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Technical Reference Operation Manual Geographic Position, Loran C $ - - GLC, , , , , a *hh <CR><LF> Sentence Checksum format Talker Mode indicator device This field is not used Start of sentence These fields are valid as far as the data are entered in 2 out of 5 TD fields;...
  • Page 174 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 10 Operation Manual Technical References Dual Ground/Water Speed $ - - VBW, xx.x, , A, xx.x, xx.x, A, , , , , *hh <CR><LF> Checksum Sentence These fields are not used format A: Valid data Talker Traverse ground speed (Knots)
  • Page 175 Chapter 10 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Technical Reference Operation Manual AIS Other Ship Data ! AI VDM, x, x, x, x, xxxxx･･････････････････xxxx, N *hh <CR><LF> Sentence Checksum format Talker Fill bit. device Message part (6bit field) Total of sentence. Channel Sentence number.
  • Page 176 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 10 Operation Manual Technical References Data format settings and acceptable formatter Item IEC-61162-1 NMEA-0183 (Ver 2.30) Ship's Heading HDT, HDG, HDM Information(HDG) VTG(COG), RMC(COG), RMA(COG) Water Speed(SPD) VBW(Vertical to Water) VBW(Vertical to Water) VTG(SOG), RMC(SOG), RMA(SOG) Speed over Ground,...

  • Page 177: Tracking Data Output Sentence Detail

    Chapter 10 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Technical Reference Operation Manual 10.2 Tracking data output sentence detail Sentence name: IEC61162-1 The ATA data can be output to an external unit via the data connector labeled “DATA 1,2 & 3” on the display rear panel.

  • Page 178: Radar Data Output Sentence Detail

    MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 10 Operation Manual Technical References 10.3 Radar data output sentence detail Sentence name: IEC61162-1 The Radar data can be output to an external unit via the data connector labeled “DATA 1,2 &3” on the display rear panel.

  • Page 179: Interface Requirements

    Chapter 10 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Technical Reference Operation Manual 10.4 Interface requirements 10.4.1 Input requirements Feature Characteristics Power Voltage 24/32VDC, -10%, +30% Consumption 170 W Gyro compass Synchro Voltage value: 50VAC or 100VAC+/-10%, 50/60 Hz+/-10% Gear ratio: 1:360, 1:180, 1:90 Stepper Voltage value: 21.6 to 38.5 V (See NOTE) or 63 to 77 V...

  • Page 180: Data Input/Output Serial Line

    MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 10 Operation Manual Technical References 10.4.2 Data input/output serial line Port name: DATA 1,2 & 3 +Vcc The connector used: Type LTWD-06PMMP-LC A Data Input TLP113 IN-A Serial Data input (listener side): The IEC61162-1 or NMEA0183 Ver 2.30 standard signal...

  • Page 181: External Monitor Signal Interface

    Chapter 10 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Technical Reference Operation Manual 10.4.3 External monitor signal interface Port name : VDR Pin No. Signal name The connector used : Small D-sub 15 pin Pin assignment of the connector is as follows: External CRT connector...

  • Page 182: Data Input/Output Serial Line (Ais)

    MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 10 Operation Manual Technical References 10.4.4 Data input/output serial line (AIS) Port name: AIS The connector used: Type LTWD-08PMMP-LC LT1791CS A Data Input IN-A Serial Data input (listener side): B Data Input The IEC61162-1 standard signal can be received...

  • Page 183: Radar Signal Input/Output

    Chapter 10 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Technical Reference Operation Manual 10.4.5 Radar Signal input/output Port name: REMOTE The connector used: Type LTWU-12PMMP-LC Data connector pin assignment Pin assignment on Data Connector Pin No. NAME (Top view) VIDEO OUT TRIG OUT AZIP OUT...

  • Page 184: Talker Identifier Accepted

    MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 10 Operation Manual Technical References 10.4.6 Talker identifier accepted The MDC-1800BB series of radar accepts the following talker identifiers applied from external equipment. Talker device Talker identifier Display Decca navigator Global positioning system GPS) GPS (See NOTE)

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