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Koden MDC-1810P Operation Manual

Koden MDC-1810P Operation Manual

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0735
04
OPERATION MANUAL
KODEN ELECTRONICS CO.,LTD.
COLOR RADAR
13-24, TAMAGAWA 2-CHOME, OHTA-KU
TOKYO 146-0095 JAPAN
MDC-1810P/1820P
TEL : +81 3 3756 6918
FAX : +81 3 3756 6831
http://www.koden-electronics.co.jp/
PRINTED IN JAPAN
93142112-06

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  • Page 1 0735 OPERATION MANUAL KODEN ELECTRONICS CO.,LTD. COLOR RADAR 13-24, TAMAGAWA 2-CHOME, OHTA-KU TOKYO 146-0095 JAPAN MDC-1810P/1820P TEL : +81 3 3756 6918 FAX : +81 3 3756 6831 http://www.koden-electronics.co.jp/ PRINTED IN JAPAN 93142112-06...
  • Page 2 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. The technical descriptions contained in this publication are subject to change without notice. KODEN assumes no responsibility for any errors, incidentals or consequential damages caused by misinterpretation of the descriptions contained in this publication.
  • Page 3 MDC-1810P/1820P 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 4 Preface MDC-1810P/1820P Series Operation Manual 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. Wait at least five minutes or discharge them to ground before starting your inspection.
  • Page 5 MDC-1810P/1820P 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 6 HOW TO USE THIS MANUAL Scope of this manual This manual provides necessary information for installation, operation and maintenance of MDC-1810P/1820P radar systems. Organization of this manual This manual is divided into chapters for quick and easy finding of the information you require.
  • Page 7 MDC-1810P/1820P 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 8 Preface MDC-1810P/1820P 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 9 MDC-1810P/1820P Series Chapter 1 Operation Manual General Descriptions Chapter 1 General Descriptions Contents Page No. Outline of the equipment ............1-1 Equipment category ............... 1-1 EMC compliance statement ........... 1-1 System configuration ............. 1-2 Software type name used ............1-2...
  • Page 10 4 ft or 6 ft aerial, which is mounted on the transceiver unit of either 12 kW (For MDC-1810P) or 25 kW (For MDC-1820P) type. The 4 foot and 6 foot aerials are encapsulated in a water-sealed, durable plastic case. The transceiver unit is contained in a waterproof aluminum case.
  • Page 11 Transceiver RB719AP (25 kW) Display Unit MRD-100P Operation Unit MRO-100 1.5 Software type name used The MDC-1810P series of radar uses the following type of software: Software Type Application KM-D56 C Radar logic board KM-D62 A Gyro/Log Interface KM-D07 C...
  • Page 12 CW-256-2M (11-40 VDC) Length: 2 m DC mains 21.6 – 41.6 VDC AC Power Cable Type: VV2D8-3M Length: 3 m AC/DC Rectifier AC mains Type PS-010 100/115/200/230 VAC Figure 1.1 System configuration of MDC-1810P / MDC-1820P series of radar 93142112-02...
  • Page 13 MDC-1810P/1820P Series Chapter 2 Operation Manual Equipment Supplied Chapter 2 Equipment Supplied CONTENTS Page No. Standard equipment list ............2-1 Spare parts list ................ 2-2 Installation material list............2-2 Optional items................. 2-2 93142112-02 Contents...
  • Page 14 MDC-1810P/1820P SERIES Chapter 2 Operation Manual Equipment Supplied Chapter 2 Equipment Supplied 2.1 Standard equipment list MDC-1810P Item name Type name Remark Weight/length Q’ty Aerial RW701A-04/06 4 ft / 6 ft 6 kg / 8 kg Transceiver unit RB718AP 12 kW...
  • Page 15 Chapter 2 MDC-1810P/1820P Series Equipment Supplied Operation Manual 2.2 Spare parts list MDC-1810P/1820P (Common use) Description Rating Remark Shape (Dimensions) Q’ty Fuse Normal blow Tubular (φ6.3 x 32) Main power supply Fuse Normal blow Motor power supply Tubular (φ 5 x 25) Fuse 0.3A...

  • Page 16: Table Of Contents

    MDC-1810P/1820P Series Chapter 3 Operation Manual Technical Specification Chapter 3 Technical Specification Contents Page No. Antenna specification ............3-1 Display specification .............. 3-1 ATA specification (Option) ............. 3-2 AIS specification..............3-3 Serial data and sentence used ..........3-3 Power supply ................3-3 Compass safe distance ............

  • Page 17: Antenna Specification

    Technical Specifications Chapter 3 Technical Specifications 3.1 Antenna specification Aerial length 4 feet / 6 feet Peak power output 12 kW (For MDC-1810P) / 25 kW (for MDC-1820P) Frequency 9410 +/- 30 MHz Beam width Horizontal / 1.2 Vertical Side lobes Within +/- 10 Better than –23dB...

  • Page 18: Ata Specification (Option)

    Chapter 3 MDC-1810P/1820P Series Technical Specifications Operation Manual (Display specification) ATA (Option) Display of acquire/track data of up to 10 targets and Guard Zone are available. Display of guard zone is also available (any alarm range, width and bearing can be set).

  • Page 19: Ais Specification

    MDC-1810P/1820P Series Chapter 3 Operation Manual Technical Specifications 3.4 AIS specification (Option) Number of targets displayed Up to 20 activated targets and 20 sleeping targets Numerical data indication MMSI, CPA, TCPA, CSE/COG, STW/SOG On screen display Symbols, target number and vectors.

  • Page 20: Environmental Specification

    Chapter 3 MDC-1810P/1820P Series Technical Specifications Operation Manual 3.8 Environmental specification To the requirements of IEC 60945 3 Edition. The measure environmental specifications are as follows: (1) Temperature and humidity Operating temperature Storage temperature Humidity Antenna C - +55 93%+/-3% at +40...
  • Page 21 MDC-1810P/1820P Series Chapter 3 Operation Manual Technical Specifications [Antenna unit] RB718AP Figure 3.1 External dimensions of the Antenna units RB718AP 93142112-02...
  • Page 22 Chapter 3 MDC-1810P/1820P Series Technical Specifications Operation Manual RB719AP Figure 3.2 External dimensions of the Antenna units RB719AP 93142112-02...
  • Page 23 MDC-1810P/1820P Series Chapter 3 Operation Manual Technical Specifications [Display unit] MRD-100P [Operation unit] MRO-100 Figure 3.3 External dimensions of the Display and Operation unit 93142112-02...
  • Page 24 MDC-1810P/1820P Series Chapter 4 INSTALLATION Chapter 4 Installation Contents Page No. Installation considerations ............ 4-1 Unpacking each component of the system......4-1 Inspection of each component unit and accessories ..4-1 Setting the units..............4-1 4.4.1 Antenna Unit..................4-1 4.4.2 Display and Operation Unit..............4-2 Cable routing and connections ..........
  • Page 25 MDC-1810P/1820P Series Chapter 4 INSTALLATION 4.8.2.3 Possible operation in Remote Display ........4-23 Page No APPENDIX 1 ................... 4-25 Installation of the ATA module, MRE-300 ............4-25 Installation of the AIS module, AIS-100 .............. 4-25 APPENDIX 2 ................... 4-28 Optional cables pinouts and cable color-coding designation ......4-28...

  • Page 26: Installation Considerations

    Chapter 4 Installation 4.1 Installation considerations General Qualified service personnel should perform the installation of the MDC-1810P/1820P 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 27: Display And Operation Unit

    Chapter 4 MDC-1810P/1820P Series Installation Operation Manual with the vessel’s water line. (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 28: Installation Procedure

    MDC-1810P/1820P Series Chapter 4 Operation Manual Installation 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. This arrangement simplifies cable fitting and servicing.

  • Page 29: Fitting The Aerial

    Chapter 4 MDC-1810P/1820P Series Installation Operation Manual 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 30: Connecting The Cable

    MDC-1810P/1820P Series Chapter 4 Operation Manual Installation 4.6.3 Connecting the cable (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 31 Chapter 4 MDC-1810P/1820P Series Installation Operation Manual ANTE NNA UNIT DISPLAY 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...
  • Page 32 MDC-1810P/1820P Series Chapter 4 Operation Manual Installation 4.6.4 Installing the Display and operation unit The display unit is designed for table mount and flush mount installation. Refer to the following descriptions for detail. 4.6.4.1 Table mounting: Display (1) Remove 2 of the knob bolts that fix the display unit on to the base mount.
  • Page 33 Chapter 4 MDC-1810P/1820P Series Installation Operation Manual Figure 4.7 Service space required for the Display unit Operation unit (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 34 MDC-1810P/1820P Series Chapter 4 Operation Manual Installation Screw cover (4 positions) M5 (5 mm) Screw (4 positions) Operation unit M5 (5 mm) tapping screw (4 positions) Mounting bracket Figure 4.8 Mounting the Control unit Figure 4.9 Service space required for the Operation unit...

  • Page 35: Flush Mounting

    Chapter 4 MDC-1810P/1820P Series Installation Operation Manual 4.6.4.2 Flush mounting Display Preparation: (1) Cut aperture in surface of the console panel and drill fixing hole of 4.5 mm diameter (8 positions) as shown in the figure below. Figure 4.10 Dimensions of aperture and mounting holes (2) Remove 2 of the knob bolts that fix the display unit on to the base mount.
  • Page 36 MDC-1810P/1820P Series Chapter 4 Operation Manual Installation Panel thickness Fixing screw Table 4.1 Recommended screw length Panel thickness Screw length 5 mm 15 mm 10 mm 20 mm 15 mm 25 mm 20 mm 30 mm Operation Unit Preparation: (1) Cut aperture in surface to the dimensions shown below (2) Mark screwing points with a sharp-edged tool.
  • Page 37 Chapter 4 MDC-1810P/1820P 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 Mounting the Operation unit into the console panel...

  • Page 38: Connecting The Cable To The Display Unit

    MDC-1810P/1820P Series Chapter 4 Operation Manual Installation 4.6.5 Connecting the cable to the Display Unit Connect the antenna cable, power cable and the data cable to the designated sockets as shown in Figure 4.15. The dashed sections and connections are optional items.

  • Page 39: Link Setting For The Gyrocompass

    Chapter 4 MDC-1810P/1820P Series Installation Operation Manual 4.6.6 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 40: Ferrite Core Assembling For Power Cable

    MDC-1810P/1820P Series Chapter 4 Operation Manual Installation 4.6.7 Ferrite core assembling for Power cable Loop the power cable around the ferrite core three turns at position of 40 cm from the connector as shown in figure 4.17. Ferrite core Connector Figure 4.17 Ferrite core assembling for Power cable...

  • Page 41: Setting Up After Installation

    Chapter 4 MDC-1810P/1820P 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.

  • Page 42: Transmission Timing

    MDC-1810P/1820P 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 43: Ship's Heading Setup

    Chapter 4 MDC-1810P/1820P 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 44 MDC-1810P/1820P 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 45 Chapter 4 MDC-1810P/1820P 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 46 MDC-1810P/1820P 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: 93142112-04 4-21...

  • Page 47: Performance Monitor Initial Setup

    Chapter 4 MDC-1810P/1820P Series Installation Operation Manual 4.7.5 Performance Monitor initial setup SYSTEM MENU: BITE/PM TUNE A calibration of the performance monitor must be made when the radar set is installed or the magnetron or the Receiver Front End module (MIC, or Microwave Integrated Circuit) is replaced during repair.

  • Page 48: Remote Display Operation

    MDC-1810P/1820P Series Chapter 4 Operation Manual Installation 4.8.2 Remote Display operation A Display Unit type MRD-100P can be used as a remote display. To use the display in this configuration, use the following procedure. 4.8.2.1 Connecting Remote Display Connect the Master display (MRD-100P) and a Remote display (MRD-100P) with the connecting cable CW-561 (10m) as shown in Figure 4.9.
  • Page 49 Chapter 4 MDC-1810P/1820P Series Installation Operation Manual Master  Display AIS  REMOTE GYRO / LOG SCANNER DATA 1 DATA 2 DATA Remote Display External Display Connecting cable GYRO/LOG REMOTE CW-561-10M (10m) SCANNER DATA 1 DATA 2 DATA Figure 4.20 Remote display connection Pin assignment on Pin No.

  • Page 50: Installation Of The Ata Module, Mre-300

    MDC-1810P/1820P 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 instruction for installation. (1) Locate the position of the four fixing studs on the Main Logic PCB (E47-700*) prepared for the ATA module.
  • Page 51 Chapter 4 MDC-1810P/1820P Series Installation Operation Manual AIS connector pinouts and cable color coding designation: Cable type name Port name Pin number Signal name Color code CW-387-5M Shield Braid IN-B Red dot/Orange IN-A Black dot/Orange OUT-B Red dot/White OUT-A Black dot/White...
  • Page 52 MDC-1810P/1820P Series Chapter 4 Operation Manual Installation 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 (E47-700*) J708 AIS-100 PCB module (E47-720*) Display front frame Figure A.2 Fitting ATA, AIS and Gyro Interface modules into Main Logic PCB...

  • Page 53: Optional Cables Pinouts And Cable Color-Coding Designation

    Chapter 4 MDC-1810P/1820P Series Installation Operation Manual APPENDIX 2 Optional cables pinouts and cable color-coding designation DATA connector pinouts and cable color coding designation: Cable type name Port name Pin No. Signal name Color code CW-376-5M DATA Shield Shield, Blue...
  • Page 54 MDC-1810P/1820P Series Chapter 5 Operation Manual Basic Operation Chapter 5 Basic Operation Contents Page No. 5.1 Introduction ................5-1 5.2 Control Panel Layout ............... 5-1 5.3 Operating Controls and Switches........... 5-1 5.4 Getting Started................5-7 5.5 Basic Radar Operations............5-8 5.5.1 Range scale selection .................

  • Page 55: Introduction

    MDC-1810P/1820P 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 56 Chapter 5 MDC-1810P/1820P Series Basic Operation Operation Manual 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 STBY preheating period, the STBY/TX key switch functions as a transmission switch.
  • Page 57 MDC-1810P/1820P 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 58 Chapter 5 MDC-1810P/1820P 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 59 MDC-1810P/1820P 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 60 Chapter 5 MDC-1810P/1820P 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 6.1.16.11 “Correcting the latest plotting position”.

  • Page 61: Getting Started

    MDC-1810P/1820P 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 62: Basic Radar Operations

    Chapter 5 MDC-1810P/1820P 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 63 ＴＲＵＥ ＰＩ ２６３． ０゜ ０． ０９３ＮＭ １１５． ０゜ ０． ０２５ＮＭ Figure 5.2 MDC-1810P/1820P On-screen information No. Descriptions Descriptions Tuning bar graph & tuning mode display 11 VRM (No.1/No.2) distance data Screen & EBL/VRM offsets display 12 Parallel Index Line interval...

  • Page 64: Gain Control

    Chapter 5 MDC-1810P/1820P Series Basic Operation Operation Manual Table 5.1 Range vs Transmission Pulse Length RANGE (NM) Pulse code Pulse length (6/12kW) Pulse length (25kW) 0.125 0.08 us 0.08 us 0.25 0.08 us 0.08 us 0.08 us 0.08 us 0.75 0.08 us...

  • Page 65: Anti-Clutter Rain Control5-11

    MDC-1810P/1820P Series Chapter 5 Operation Manual Basic Operation 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. The receiver gain will be automatically set and the manual SEA clutter control will accordingly become inactive.

  • Page 66: Range Measurement Using Range Rings

    Chapter 5 MDC-1810P/1820P Series Basic Operation Operation Manual (2) Use the same step as step (2) and (3) in the 1 EBL operation. (3) To switch the active EBL to another, press the EBL SEL key. (4) To erase the second EBL, select OFF from the DISP/MARK/2nd EBL menu item.

  • Page 67: Picture Off-Centering

    MDC-1810P/1820P 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 68 Chapter 5 MDC-1810P/1820P 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 69: Setting The Guard Zone Alarm

    MDC-1810P/1820P 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 70: Control Panel Brilliance

    Chapter 5 MDC-1810P/1820P 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 71 MDC-1810P/1820P 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 72: Appendix 1 Interpretation Of Radar Images

    Chapter 5 MDC-1810P/1820P 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 73 MDC-1810P/1820P 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 74 Chapter 5 MDC-1810P/1820P 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 75 MDC-1810P/1820P 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 76: Appendix 2 Receiving The Radar Beacons And Sarts

    Chapter 5 MDC-1810P/1820P 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 77 MDC-1810P/1820P 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 78 MDC-1810P/1820P 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 79 Chapter 6 MDC-1810P/1820P Series Using The Menu Operation Manual Page No. 6.2.3.3 TARGET ALL CLEAR (Plotting Target All Clear)....... 6-9 6.2.3.4 ID DISP (ID Number Display) ........... 6-9 6.2.3.5 AIS (Automatic Identification Systems) Data Display ....6-9 6.2.3.6 Navigation Display, Map Function ..........6-9 6.2.3.7...
  • Page 80 MDC-1810P/1820P Series Chapter 6 Operation Manual Using The Menu Page No 6.4.2.5 HEIGHT (STC Law Selection)..........6-18 6.4.2.6 TM RESET (True Motion Reset Position) ....... 6-19 6.4.2.7 KEY SOUND (Key Click Sound) ..........6-19 6.4.2.8 BUZZER FREQ (Buzzer Sound Frequency) ......6-19 6.4.2.9...
  • Page 81 Chapter 6 MDC-1810P/1820P Series Using The Menu Operation Manual Page No. 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......6-33 6.8 Operating the AIS..............

  • Page 82: [Common Key Operation]

    MDC-1810P/1820P Series Chapter 6 Using The Menu Operation Manual Chapter 6 Using The Menu １２ ＮＭ ADJUST SYSTEM RADAR DISP RADAR DISP ADJUST SYSTEM ＧＮ Ｄ Ｓ Ｔ Ａ Ｂ Ｇ ＮＤ Ｓ Ｔ Ａ Ｂ Ｓ Ｔ Ａ Ｂ...

  • Page 83: Radar Menu

    Chapter 6 MDC-1810P/1820P Series Using The Menu Operation Manual To select the menu items, use the following procedures. (1) Press the MENU key and use the Joystick to select an item. The selected item is highlighted. Subsequent pressing of the MENU key brings back to the normal operation.

  • Page 84: Ship's Heading

    MDC-1810P/1820P Series Chapter 6 Using The Menu Operation Manual GND (Ground Stabilized mode): The radar picture is stabilized with respect to the ground with the signals supplied from a bearing sensor and a speed sensor (either a water speed sensor or a ground speed sensor). When a water speed sensor is used, a tidal effect causes the deviation in picture stabilization.

  • Page 85: Cursor Position

    Chapter 6 MDC-1810P/1820P 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 86: Cpa Alarm Limit

    MDC-1810P/1820P Series Chapter 6 Using The Menu Operation Manual 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. Use the following procedure to set up. (1) Highlight the item and press the ENT key.

  • Page 87: Disp Menu

    Chapter 6 MDC-1810P/1820P Series Using The Menu Operation Manual 6.2 DISP Menu The DISP menu has three sub menus; MARK, ECHO, and NAV. Each menu has the following sub menus. 6.2.1 MARK The MARK menu has various markers such as VRM (Variable Range Marker), EBL (Electronic Bearing Line), Stern Marker and Cursor L/L (Position Cursor) that can be turned on or off.

  • Page 88: Brg True/Rel (Bearing True Or Relative)

    MDC-1810P/1820P Series Chapter 6 Using The Menu Operation Manual 6.2.1.4 BRG TRUE/REL (Bearing True or Relative) Indication Meaning Selection BRG TRUE/REL Bearing Mode REL, TRUE (True or Relative) 6.2.1.5 STERN MKR (Stern Marker) Indication Meaning Selection STERN MKR Stern Marker OFF, ON 6.2.1.6 CURSOR L/L (Cursor Position Indication)

  • Page 89: Tune (Receiver Tuning Mode)

    Chapter 6 MDC-1810P/1820P Series Using The Menu Operation Manual 6.2.2.4 TUNE (Receiver Tuning Mode) Indication Meaning Selection TUNE Tuning Mode AUTO, MANUAL 6.2.2.5 MAN TUNE (Manual Tuning Set) Indication Meaning Selection MAN TUNE Manual Tuning 0 to 99 This function becomes effective when the manual-tuning mode is selected.

  • Page 90: Plot Mode (Plotting Mode)

    MDC-1810P/1820P Series Chapter 6 Using The Menu Operation Manual 6.2.3.2 PLOT MODE (Plotting Mode) Indication Meaning Selection PLOT MODE Plot Mode EPA, ATA In the MDC-1810/1820 radar series, the Electronic Plotting Aid (EPA) function is installed as standard, while the Automatic Tracking Aid (ATA) unit is an optional item.

  • Page 91: Tm Reset (True Motion Center Reset)

    Chapter 6 MDC-1810P/1820P Series Using The Menu Operation Manual 6.2.3.7 TM RESET (True Motion Center Reset) When this function is activated, the picture center position is reset to the position designated by the SYSTEM/SYS SETUP/TM RESET menu. Indication Meaning Selection...

  • Page 92: Navigation Position Alignment

    MDC-1810P/1820P Series Chapter 6 Using The Menu Operation Manual 6.3.1.2 Navigation Position Alignment This function is used to move a user defined Navigation Line(s) or map to a desired position on the screen. To do so, perform the following procedure.

  • Page 93: Auto Tune Auto Tune Preset

    Chapter 6 MDC-1810P/1820P Series Using The Menu Operation Manual the standby condition is established, turn the radar on. This allows you to enter the PRESET menu and select the following menu functions. 6.3.2.1 AUTO TUNE (Auto Tune Preset) Indication Meaning...

  • Page 94: Sea Auto/Manual/Harbor (Stc Preset)

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

  • Page 95: Target Level Target Detection Level

    Chapter 6 MDC-1810P/1820P Series Using The Menu Operation Manual the split of the transmitting energy generated by the magnetron (transmitting tube). 6.3.2.7 TARGET LEVEL (Target Detection Level) Indication Meaning Selection TARGET LEVEL Target Detection Level 1 to 8 This function is used to set the signal level to be supplied to the ATA system. Use the following procedure to select a signal level.

  • Page 96: Sea Stab Spd (Water Speed Input)

    MDC-1810P/1820P Series Chapter 6 Using The Menu Operation Manual NOTE: The GYRO HDG bearing data becomes “XXX.X” and the buzzer sounds in the following circumstances: 1. When no gyro signal is input. 2. When no power is applied to KSA-08A. Check the power supply line to KSA-08A for power failure, disconnection, etc.

  • Page 97: Log Pulse (Log Pulse Rate)

    Chapter 6 MDC-1810P/1820P Series Using The Menu Operation Manual Table 6.2 Combinations of GND STAB SPD and SET/DRIFT GND STAB SPD SET / DRIFT Notes PULSE Not needed Set/Drift data included in the sentence Not needed Course and speed measured over ground...

  • Page 98: Gyro (Gyro Gear Ratio)

    MDC-1810P/1820P Series Chapter 6 Using The Menu Operation Manual 6.4.1.6 GYRO (Gyro Gear Ratio) This menu is used to set up the gyro gear ratio used, which is fed to the Gyro Interface unit, type KSA-08A. The following pulse ratios can be selected: 36X, 90X, 180X and 360X.

  • Page 99: Delay (Transmission Timing Adjustment)

    Chapter 6 MDC-1810P/1820P Series Using The Menu Operation Manual 6.4.2.3 DELAY (Transmission Timing Adjustment) This function is used to adjust the transmission delay time in order to coincide the radar transmission timing with the start of the radar sweep. In practice, the Figure 4.7 in Chapter 4 illustrates the result of the setting, whether it is properly adjusted or not.

  • Page 100: Tm Reset (True Motion Reset Position)

    MDC-1810P/1820P Series Chapter 6 Using The Menu Operation Manual 6.4.2.6 TM RESET (True Motion Reset Position) This function is used to set the resetting point of the radar picture in the True Motion mode when the center of a radar picture reaches the predetermined boundary of the screen.

  • Page 101: Alarm Mode Alarm Zone Set Mode

    Chapter 6 MDC-1810P/1820P Series Using The Menu Operation Manual 6.4.2.9 ALARM MODE (Alarm Zone Set Mode) This menu is used to set up the alarm zone shape. Indication Meaning Selection ALARM MODE Alarm Zone Set Mode VARIABLE, FIXED Selectable alarm zones are as follows: VARIABLE: The alarm zone shape can be changed from a full circle to any form of semi-circles.

  • Page 102: Bite (Built In Test Equipment)

    MDC-1810P/1820P Series Chapter 6 Using The Menu Operation Manual 6.4.3 BITE (Built In Test Equipment) NOTE: This menu is protected from ordinary operations. To use this function, turn off the radar first. Press and hold the MODE key and turn the radar on. When the standby condition is established, turn the radar on to enter the following menu functions.

  • Page 103: Pm Tune (Pm Tuning)

    Chapter 6 MDC-1810P/1820P Series Using The Menu Operation Manual 6.4.3.3 PM TUNE (PM tuning) This function is used to set the Performance Monitor properly tuned in. Indication Meaning Selection PM TUNE PM Tuning 0 to 99 Calibration of the performance monitor must be made when the radar set is first installed, or either the magnetron or the receiver front-end module (MIC, or Microwave Integrated Circuit) is replaced in the course of repair.

  • Page 104: Ata Test (Ata Tracking Test Mode)

    MDC-1810P/1820P Series Chapter 6 Using The Menu Operation Manual 6.4.3.5 ATA TEST (ATA Tracking Test Mode) This function is used to test the ATA function. Indication Meaning Selection ATA TEST ATA Tracking Test Mode OFF, ON When the ATA Test mode is selected, the following test conditions and display will be available on the screen.
  • Page 105 Chapter 6 MDC-1810P/1820P Series Using The Menu Operation Manual P.M. RX Performance Monitor Receiver Level 10 to 240 P.M. TX Performance Monitor Transmitter Level 10 to 240 ANTENNA TYPE ANTENNA MODE Scanner Unit ID2 ID No. (See NOTE) NOTE: ID number varies according to the transmission power level as follows:...

  • Page 106: Operation Of The Epa

    MDC-1810P/1820P Series Chapter 6 Using The Menu Operation Manual 6.6 Operation of the EPA The EPA (Electronic Plotting Aid) provides the information for collision avoidance by manually plotting the first and second positions of each target. These include: CPA (Closest Point of Approach), TCPA (Time to Closest Point of Approach), Ship’s speed, Ship’s course and Ship’s vector...

  • Page 107: Cpa And Tcpa

    Chapter 6 MDC-1810P/1820P Series Using The Menu Operation Manual 6.6.2 CPA and TCPA The definition of CPA and TCPA is shown in the Figure 6.3. Target ship Closest point TCPA Vector to own ship Figure 6.5 Definition of CPA and TCPA 6.6.3 EPA plotting on the screen...
  • Page 108 MDC-1810P/1820P Series Chapter 6 Using The Menu Operation Manual AGE: The time elapsed from when a target is plotted. The unit is in minute(s). CPA (Closest Point of Approach): The closest distance of a plotted target to own ship. The unit is in nautical mile(s).

  • Page 109: Vect Time (Selecting The Vector Time)

    Chapter 6 MDC-1810P/1820P Series Using The Menu Operation Manual 6.6.6 VECT TIME (Selecting the Vector Time) This function is used to set up the length of a vector that predicts the position of a target after preset time. Set with the RADAR/TRUE(REL) VECT menu.

  • Page 110: Warning Limit (Setting The Warning Limit Of Cpa And Tcpa)

    MDC-1810P/1820P Series Chapter 6 Using The Menu Operation Manual 6.6.8 WARNING LIMIT (Setting the Warning Limit of CPA and TCPA) This function is used to set up the limit at which the warning alarm for CPA and TCPA is activated. Use the RADAR/LIM CPA and LIM TCPA menu. Setting ranges for CPA and TCPA are as follows: CPA: 0.00 NM to 19.9 NM.

  • Page 111: Operating The Ata

    Chapter 6 MDC-1810P/1820P Series Using The Menu Operation Manual 6.7 Operating the ATA 6.7.1 Using the ATA The ATA (Automatic Tracking Aid) unit is an optional PC Board that can be installed into the display unit. Using this function, up to ten targets can be manually acquired and tracked automatically.

  • Page 112: Ata Functions

    MDC-1810P/1820P Series Chapter 6 Using The Menu Operation Manual 6.7.3 ATA functions The ATA system provides the following functions and display on the screen. (1) Symbols: Acquisition symbols Warning symbols (2) Target acquisition (3) Target data display (4) Changing the vector length...

  • Page 113: Setting The Guard Zone

    Chapter 6 MDC-1810P/1820P Series Using The Menu Operation Manual Warning symbols The following symbols are used in the EPA functions to notify the operator of a high-risk target or invalid plotting. These symbols will blink when they are shown. This is a CPA alarm symbol that appears when a displayed target is predicted to infringe a predetermined CPA and/or TCPA range.

  • Page 114: To Set Up The Depth And Width Of The Guard Zone

    MDC-1810P/1820P Series Chapter 6 Using The Menu Operation Manual 6.7.6.2 To set up the depth and width of the Guard Zone (Reference drawing: Figure 6.7 The outline of the Guard Zone Alarm) (4) Press the EBL SEL key and rotate the EBL control to set up the width of the alarm zone.

  • Page 115: Operating The Ais

    NOTE: To use this function, the optional AIS interface module (PCB based) must be installed inside the display unit and connected to an external AIS transponder. The installation of the module must be performed by an authorized KODEN service personnel.

  • Page 116: Ais Target Symbols

    MDC-1810P/1820P Series Chapter 6 Using The Menu Operation Manual STW/SOG Speed through Water/Speed Over Ground The TARGET ID is applied from 0 to 19 automatically. When a target has moved out of LIM range or been lost, the ID number being used will be applied to other newly entered target automatically.
  • Page 117 Chapter 6 MDC-1810P/1820P Series Using The Menu Operation Manual Dangerous Target If predicted CPA and TCPA values of an Activated Target are smaller than the one being set up, the AIS target symbol will turn to a flashing bold symbol as shown below.
  • Page 118 MDC-1810P/1820P Series Chapter 7 Operation Manual Graphic Displays Chapter 7 Graphic Displays Contents Page No. Entering 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 119 Graphic Displays Chapter 7 Graphic Displays The MDC-1810P/1820P 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 120: Selecting The Graphic Display/Display Item Select Menu

    Chapter 7 MDC-1810P/1820P 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 121: Navline

    MDC-1810P/1820P 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 122: Registering Or Modifying The Navline Data / Navline Data Input Menu

    Chapter 7 MDC-1810P/1820P 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 123: Registering Or Modifying The Map Data / Coast Line Input Menu

    MDC-1810P/1820P Series Chapter 7 Operation Manual Graphic Displays Press the ENT key to fix the selection. The blinking number will become stationary. Move the Joystick up or down to highlight an alphanumeric display (A0 – B9) under the POSITION NUMBER column.

  • Page 124: Registering Or Modifying The Mark Data / Mark Input Menu

    Chapter 7 MDC-1810P/1820P 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 125 MDC-1810P/1820P Series Chapter 7 Operation Manual Graphic Displays (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. (6) Select a desired mark by pressing a numeric key (0 - 9) (7) Use the N/S/E/W and numeric keys (0 - 9) to enter the position in latitude and longitude.
  • Page 126 Chapter 7 MDC-1810P/1820P Series Graphic Displays Operation Manual Surface object, wreck, Hazardous point, etc Rush tidal current, eddy, etc. 93142112-00...
  • Page 127 MDC-1810P/1820P 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 128: Information Required For Service

    MDC-1810P/1820P 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 129: Status Indicators

    Chapter 8 MDC-1810P/1820P 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 130: Trouble Shooting

    Trouble Shooting And On Board Servicing 8.3 Trouble shooting This section provides information required to fix or diagnose the faulty part in the MDC-1810P/1820P 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 131: Faultfinding Chart

    Chapter 8 MDC-1810P/1820P 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 132 MDC-1810P/1820P 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 133 Chapter 8 MDC-1810P/1820P Series Trouble Shooting And On Board Servicing Operation Manual 3. No display      Ｎ Is the BRILL control Turn the BRIIL control fully rotated CW?   fully CW.     Is the CFL fault?   Is the LCD *CFL:Cold Change the CFL.
  • Page 134 MDC-1810P/1820P Series Chapter 8 Operation Manual Trouble Shooting And On Board Servicing         Connect J1     Disconnect   Disconnect Modulator Modulator Ｎ Is +12V present at Connector Connector Modulator   J2-2 in Antenna unit? check +12V check is faulty.
  • Page 135 Chapter 8 MDC-1810P/1820P Series Trouble Shooting And On Board Servicing Operation Manual 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”.
  • Page 136 MDC-1810P/1820P Series Chapter 8 Operation Manual Trouble Shooting And On Board Servicing 6. Interface  (1) Gyro Interface    Is the power supply voltage Ｎ Set ship’s supply voltage within the range (11 – 40 V)   within specified specified? range.
  • Page 137 Chapter 8 MDC-1810P/1820P Series Trouble Shooting And On Board Servicing Operation Manual (2) LOG Interface Is the ship’s supply voltage within   Set the voltage within the rated voltage range (12 – 40 V)? specified range.       Ｎ...
  • Page 138 MDC-1810P/1820P Series Chapter 8 Operation Manual Trouble Shooting And On Board Servicing (3) IEC 61162-1 Interface   Is the serial data (IEC   61162-1) properly received Ｎ signal polarity via DATA 1,2 and 3 Correct the polarity.   correct? connector and displayed?  ...
  • Page 139 Chapter 8 MDC-1810P/1820P Series Trouble Shooting And On Board Servicing Operation Manual 7. Operation Unit   Are the following connections   in Main Logic PCB correct? Ｎ Does the radar turn on? 1) J701 and Power Supply   Correct the faulty connections.
  • Page 140 MDC-1810P/1820P Series Chapter 8 Operation Manual Trouble Shooting And On Board Servicing 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.
  • Page 141 Chapter 8 MDC-1810P/1820P Series Trouble Shooting And On Board Servicing Operation Manual +250 V line is shorted     Disconnect from   Internal wiring in the Antenna Modulator PCB. Is the fault unit or Display unit is faulty. removed?  ...
  • Page 142 MDC-1810P/1820P Series Chapter 8 Operation Manual Trouble Shooting And On Board Servicing   ○     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.
  • Page 143 Chapter 8 MDC-1810P/1820P Series Trouble Shooting And On Board Servicing Operation Manual   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 144 MDC-1810P/1820P Series Chapter 8 Operation Manual Trouble Shooting And On Board Servicing   Tuning meter is faulty     Is the tuning voltage on J1-3 Ｎ   IF PCB is faulty. (IF PCB) about 2 V?   Check for the cable connection  ...
  • Page 145 Chapter 8 MDC-1810P/1820P Series Trouble Shooting And On Board Servicing Operation Manual   Poor sensitivity       error message “MAGNETRON CURRENT The magnetron is faulty   ABNORMAL” shown?       Is the MIC monitor voltage in the  ...

  • Page 146: On Board Servicing

    MDC-1810P/1820P Series Chapter 8 Operation Manual Trouble Shooting And On Board Servicing 8.4 On board servicing 8.4.1 Replacing the fuses There are three fuses provided on the rear panel of the display unit. Details of these fuses are as follows:...
  • Page 147 MDC-1810P/1820P Series Chapter 9 Operation Manual Maintenance Chapter 9 Maintenance Contents Page No. Periodic inspection and cleaning.......... 9-1 9.1.1 Monthly check ..................9-1 9.1.2 Yearly check ..................9-1 93142112-00 Contents...
  • Page 148 MDC-1810P/1820P 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 149 Chapter 9 MDC-1810P/1820P Series Maintenance Operation Manual Antenna housing unit Gently turn screwdriver counter clockwise to remove the motor brush. Figure 9.2 Replacing the motor brushes 93142112-00...
  • Page 150 MDC-1810P/1820P 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 Radar System Data .................

  • Page 151: Serial Input Data Sentence Detail

    MDC-1810P/1820P Series Chapter 10 Operation Manual Technical References Chapter 10 Technical References 10.1 Serial input data sentence detail Sentence name: IEC61162-1 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. These data are prioritized as...
  • Page 152 Chapter 10 MDC-1810P/1820P 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 153 MDC-1810P/1820P 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 154 Chapter 10 MDC-1810P/1820P 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 155 MDC-1810P/1820P Series Chapter 10 Operation Manual Technical References Data format settings and acceptable formatter Item IEC-61162-1 NMEA-0183 (Ver 2.00) 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 156: Tracking Data Output Sentence Detail

    Chapter 10 MDC-1810P/1820P Series Technical Reference Operation Manual Effective Talker Device ID on IEC-61162-1 setting Item Formatter Talker Device ID Heading HE, HN Water Speed VD, VM, VW Water Speed/Speed over ground Set/Drift 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...

  • Page 157: Radar Data Output Sentence Detail

    MDC-1810P/1820P 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 158: Interface Requirements

    Chapter 10 MDC-1810P/1820P 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 159: Data Input/Output Serial Line

    MDC-1810P/1820P 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 Serial Data input (listener side): IN-A 1 The IEC61162-1 standard signal can be received...

  • Page 160: External Monitor Signal Interface

    Chapter 10 MDC-1810P/1820P 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 161: Data Input/Output Serial Line (Ais)

    MDC-1810P/1820P 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 162: Radar Signal Input/Output

    Chapter 10 MDC-1810P/1820P 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 163: Talker Identifier Accepted

    MDC-1810P/1820P Series Chapter 10 Operation Manual Technical References 10.4.6 Talker identifier accepted The MDC-1810P/1820P 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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