Japan Radio Co. NCR-330 Instruction Manual
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Japan Radio Co. NCR-330 Instruction Manual

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NCR-330
NAVTEX RECEIVER
INSTRUCTION MANUAL

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  • Page 1 NCR-330 NAVTEX RECEIVER INSTRUCTION MANUAL...

  • Page 2: Preface

    PREFACE Thank you for purchasing the NCR-330 JRC NAVTEX Receiver. The NAVTEX receiver automatically receives and prints out NAVTEX service broadcasts supplied in English. • Before using the receiver, carefully read this INSTRUCTION MANUAL so as to fully understand the proper usage and handling.

  • Page 3: Before Operation

    BEFORE OPERATION Alert Symbols A number of alert symbols are used in this manual and labeled on the product itself to ensure safe and proper usage, and to prevent possible injury to you or others and to avoid possible property damage during operation or maintenance.

  • Page 4: Operating Precautions

    OPERATING PRECAUTIONS WARNING Do not place heavy objects on the receiver unit. Failure to observe this warning could result in the unit becoming unbalanced and thus causing injury if it falls. Do not place heavy objects on the power cable or the antenna cable. Failure to observe this warning could result in fire, electrical shock, product trouble, and/or receiver signal deterioration.
  • Page 5 OPERATING PRECAUTIONS CAUTION Do not place the receiver unit on an unstable surface. If placed on an unstable table or an uneven surface, it could fall and result in personal injury and/or damage or malfunction of the unit. Secure the unit sturdily using the supplied screws. Do not expose to water or moisture.

  • Page 6: After Unpacking

    After unpacking, make sure that the following components and accessories are all present. If any components or accessories are missing, please contact your dealer or the nearest JRC sales representative in your area: NCR-330 NAVTEX Receiver Component Model/Part Number Quantity...
  • Page 7 EXTERNAL VIEW OF EQUIPMENT...

  • Page 8: Table Of Contents

    CONTENTS PAGE PREFACE ............................i BEFORE OPERATION ........................ii OPERATING PRECAUTIONS......................iii AFTER UNPACKING........................v EQUIPMENT APPEARANCE......................vi GLOSSARY .............................x CHAPTER 1 EQUIPMENT OVERVIEW SECTION FUNCTIONS......................1 FEATURES......................1 CONFIGURATION....................2 STRUCTURE.......................3 OVERALL FLOW CHART DIAGRAM ..............5 CHAPTER 2 NAMES AND FUNCTIONS OF COMPONENTS SECTION FRONT PANEL....................7 REAR PANEL ....................10 CHAPTER 3 INSTALLATION...
  • Page 9 3.3.2 When battery power is to be used ............21 CABLE CONNECTION..................23 3.4.1 Connecting the antenna cable ..............23 3.4.2 Connecting the power cable ..............24 CHAPTER 4 NAVTEX MESSAGE RECEIVING OPERATIONS SECTION TURNING POWER ON ..................25 LOADING PRINTER PAPER ................25 FEEDING THE PRINTER PAPER ..............27 PRINTING RECEIVED MESSAGES ..............28 DEACTIVATING THE ALARM................30 ADJUSTING THE BRIGHTNESS OF LAMPS ..........31...
  • Page 10 MAINTENANCE COMPONENT LISTS.............57 6.4.1 Maintenance units .................57 6.4.2 Maintenance parts.................57 CHAPTER 7 AFTER-SALE SERVICES ..................58 CHAPTER 8 DISPOSAL......................60 CHAPTER 9 SPECIFICATIONS SECTION NCR-330 RECEIVER ..................62 9.1.1 Electrical specifications .................62 9.1.2 Mechanical specifications ..............63 NAW-330 ANTENNA ..................64 9.2.1 Electrical specifications .................64 9.2.2...

  • Page 11: Glossary

    GLOSSARY (1) NAVTEX Broadcasts Maritime safety information that consists of navigational alert information, meteorological alert information, and search-and-rescue information broadcast from coastal stations at a frequency of 518 kHz. Alpha-numeric characters are broadcast narrow-band direct printing telegraphy in accordance with predetermined transmission schedules.

  • Page 12: Chapter 1 Equipment Overview

    CHAPTER 1 EQUIPMENT OVERVIEW FUNCTIONS ο The receiver (usually referred to as the equipment in this manual) executes the NAVTEX function that automatically receives and prints out NAVTEX service broadcasts supplied in English. ο The NAVTEX function receives and prints out the various types of information broadcast at a frequency of 518 kHz, such as: navigational alert information, meteorological alert information , search-and-rescue information, and other types of information.

  • Page 13: Configuration

    CONFIGURATION The equipment consists of a main unit (NCR-330) and an antenna (NAW-330). Although it operates on DC power, operation on AC power is also possible with an optional power supply unit (NBG-4534A or NBG-122). Also, an external alarm buzzer can be attached so that the alarm can be heard at remote locations when search-and-rescue information is received through NAVTEX broadcasts.

  • Page 14: 1.4 Structure

    1.4 STRUCTURE (Unit: mm) External diagram of the NCR-330 NAVTEX Receiver...
  • Page 15 External diagram of the NAW-330 NAVTEX Antenna...

  • Page 16: Overall Flow Chart Diagram

    OVERALL FLOW CHART DIAGRAM Overall Flow Chart Diagram of the NCR-330 NAVTEX Receiver...
  • Page 17 Overall Flow Chart Diagram of the NAW-330 NAVTEX Antenna...

  • Page 18: Chapter 2 Names And Functions Of Components

    CHAPTER 2 NAMES AND FUNCTIONS OF COMPONENTS FRONT PANEL View of equipment with printer paper storage cover opened:...
  • Page 19 POWER lamp Pressing the POWER switch activates the green POWER lamp to indicate that the power has been turned on. POWER switch Turns the receiver on and off. RECEIVE lamp This lamp turns on during signal detection and blinks during message text receiving. TEST switch Activates the receiver’s self-diagnostic function.
  • Page 20 MENU switch This switch starts/stops receiver status setting mode. Pressing the MENU switch allows you to set the receiver status to select the receiving station and message type in accordance to the operational instructions printed by the printer. Press the switch again to end the setting operations. ENT (enter) switch Sets the receiver status for selection of the receiving station and message type.

  • Page 21: Rear Panel

    REAR PANEL View of the equipment with rear cover removed:...
  • Page 22 High-impedance antenna terminal (HIGH-Z ANT) Connect a wire antenna cable to this terminal. 50-ohm antenna terminal (50OHM ANT) Connect a wide-band antenna cable to this terminal. NAVTEX antenna terminal (ACTIVE ANT) Connect the antenna cable of NAW-330 Active Antenna to this terminal. Key line terminals (BK+/BK-) If needed, connect the key lines leading from the transmitter to be used to these terminals.

  • Page 24: Chapter 3 Installation

    CHAPTER 3 INSTALLATION WARNING Never carry out the receiver installation by a user. Ask your nearest branch, business office or a dealer for inspection and repair. FASTENING THE RECEIVER 3.1.1 Site selection The receiver is designed so that it can be installed on either a desk, a wall, or the ceiling of the vessel.
  • Page 25 Avoid routing the antenna cable near other cables such as power cable, transmission antenna cables, or radar waveguides. Close proximity to such cables could cause interference (electronic “noise”) whereby the signal to the receiver may deteriorate. Criteria for site selection (a) The distance from the magnetic compass should be at least 1 meter.

  • Page 26: Installation Procedure

    3.1.2 Installation procedure The following are the procedures for installing the receiver: (1) Loosen the knobs of the receiver and remove it from the mounting base. (2) Screw down the mounting base at the desired location. (3) Remount the receiver onto the mounting base and then tighten the knobs to lock the receiver in place.

  • Page 27: Fastening The Antenna

    FASTENING THE ANTENNA 3.2.1 Site selection Select an installation location that satisfies the criteria listed on the following page. WARNING The connectors of the antenna cable and the case mounting section of the whip antenna must be waterproofed. Failure to do so could cause fire, electrical shock, and/or deterioration of the signal to the receiver due to moisture or faulty electrical contact.
  • Page 28 Criteria for antenna site (a) Using a pole up to 9 cm in diameter and resistant to hull vibration If the antenna is to be mounted using a pole such as a handrail, reinforce the pole by providing stays so that the antenna can maintain its initial anti-vibration characteristics. (b) There should be no obstructions within a radius of 1 meter of the installation location.

  • Page 29: Installation Procedure

    3.2.2 Installation procedure The following are the procedures for installing the antenna: (1) Thread the antenna element into the antenna coupler via the supplied plain washer and spring lock washer, and tighten securely with a wrench. (2) Fix the antenna coupler securely to the mast or perpendicular pole of the vessel using the supplied coupler spacer and mounting bands.

  • Page 30: Equipment Component Connection

    EQUIPMENT COMPONENT CONNECTION Depending on whether the built-in or optional power unit is to be used, connect the equipment components correctly as shown in one of the following figures: 3.3.1 When the power unit is to be used Fig. 3-5-1 Component connection diagram - Only when the power unit is to be used...
  • Page 31 Fig. 3-5-2 Wiring the rear terminal board - Only when the power unit is to be used...

  • Page 32: When Battery Power Is To Be Used

    3.3.2 When battery power is to be used Fig. 3-6-1 Component connection diagram - Only when battry power is to be used...
  • Page 33 Fig. 3-6-2 Wiring the rear terminal board - Only when battery power is to be used...

  • Page 34: Cable Connection

    CABLE CONNECTION Remove the cover from the rear bottom of the receiver, and connect the antenna cable, power cable, and all other necessary cables to the terminal board. All cables can be connected using either a Phillips or flap-tip screwdriver. 3.4.1 Connecting the antenna cable Connect the antenna cable to the appropriate antenna terminal on the terminal board.

  • Page 35: Connecting The Power Cable

    3.4.2 Connecting the power cable Connect the power cable to the power terminals on the terminal board. WARNING Do not operate at voltages other than 10.8 - 35.0 VDC. Failure to observe this warning could result in fire, electrical shock, and/or malfunction. CAUTION Do not reverse the polarity of the power supply connection.

  • Page 36: Chapter 4 Navtex Message Receiving Operations

    CHAPTER 4 NAVTEX MESSAGE RECEIVING OPERATIONS 4.1 TURNING POWER ON POWER Press and hold the POWER switch for at least two seconds. ∇ POWER The green POWER lamp will turns on. LOADING PRINTER PAPER Proceed as follows to set printer paper: (1) Cut the leading edge of the paper straight across.
  • Page 37 Set the printer paper into the printer. Pull out about 30 cm of the paper. ∇ Manually feed the paper through the slot until the edge of the paper reaches the mouth. ∇ FEED Press the FEED switch while holding the paper by hand.

  • Page 38: Feeding The Printer Paper

    (3) Insert the paper into the paper holder. When the leading edge of the paper comes out through the printer, ∇ insert the paper shaft into the roll of paper ∇ and set the paper in the holder. FEEDING THE PRINTER PAPER FEED Press the FEED switch .

  • Page 39: Printing Received Messages

    PRINTING RECEIVED MESSAGES Messages are automatically received and printed. After a message has once been printed, it will not be printed out again, even if a message bearing the same identification code (described later) is received again, if the character error ratio of the printed message is 4% or less.
  • Page 40 (b) Second character This character identifies the type of message. A: Navigational alert B: Meteorological alert C: Iceberg report D: Search-and-rescue information E: Weather forecasts F: Pilot information G: Decca information H: Loran information I: Omega information J: Satellite navigational information K: Electronic navigation equipment information L: Navigational alert (Supplement to message A above) V, W, X, and Y: Special services...

  • Page 41: Deactivating The Alarm

    DEACTIVATING THE ALARM (a) When alert messages are received When alert messages are received, an alarm buzzer will sound and the alarm lamp will blink. ∇ ALARM OFF Press the ALARM OFF switch. ∇ The alarm buzzer will stop sounding and alarm lamp will stop blinking. (b) If the printer paper runs short PAPER If the printer paper runs short, an alarm buzzer will sound and the...

  • Page 42: Adjusting The Brightness Of Lamps

    ADJUSTING THE BRIGHTNESS OF LAMPS DIMMER Press the DIMMER switch. ∇ Each time the switch is pressed, the brightness of the POWER and RECEIVE lamps changes in the following order: High → Medium → Low → Off TURNING POWER OFF POWER Press and hold the POWER switch for at least two seconds.

  • Page 43: Chapter 5 Navtex Receiving Operations

    CHAPTER 5 NAVTEX RECEIVING OPERATIONS DEFAULT SETTINGS When the NAVTEX receiver is operated for the first time after purchase or when the restore- defaults sequence is executed (see next page), the equipment will be set to the following status: Programmed Navtex Receiver Status **Disabled Area: ------------------------- **Disabled Message Type:...

  • Page 44: Restoring Defaults

    RESTORING DEFAULTS Restore the equipment to the factory-defaults by the following procedure: POWER Turn power off by pressing the POWER switch. ∇ TEST While holding down the TEST switch: ∇ POWER Turn power back on by pressing the POWER switch. ∇...

  • Page 45: Function Setting

    FUNCTION SETTING The equipment allows you to select a receiving coast station, a message type, and receiver status. Make these selections as indicated by the guidance messages printed out by the printer. 5.3.1 Starting the function-setting operations Open the paper cover. ∇...

  • Page 46: Selecting A Receiving Station

    5.3.2 Selecting a receiving station After the printer has printed: SET COAST STATION ? (a) If you wish to select a station, first press the ENT (enter) switch . This allows you to select a coast station. The display unit displays 26 coast stations (A to Z). Select the desired one from among those displayed.
  • Page 47 → Ending selection MENU Press the switch . The printer will print out the list of non-selected stations followed by: SET MESSAGE TYPE ? **Disabled Area : -------H--K--------------- The message type can now be selected. (b) If you do not wish to select a station, press the CLR switch .

  • Page 48: Selecting The Type Of Message To Be Received

    5.3.3 Selecting the type of message to be received NOTE Navigational alerts (A and L), meteorological alerts (B), and search-and-rescue information (D) can not be de-selected. After the printer has printed: SET MESSAGE TYPE ? (a) To select a message type, first press the ENT switch .
  • Page 49 → Ending selection MENU switch. Press the NOTE: The 22 types of messages that can be selected/de-selected are as follows: C: Iceberg report E: Weather forecasts F: Pilot information G: Decca information H: Loran information I: Omega information J: Satellite navigational information K: Electronic navigation equipment information M to U: Other information V, W, X, and Y: Special services...
  • Page 50 (c) If you wish to end the settings editing session, press the MENU switch. The printer will respond with: STATE END to indicate that the function settings editing session has ended. Settings that have been selected will be stored in memory.

  • Page 51: Selecting Receiver Status

    5.3.4 Selecting receiver status After the printer has responded with: SET STATE ? (a) To select receiver status, first press the switch . This allows you to select receiver status. The printer prints out receiver status selection items. Select one from among those printed out.
  • Page 52 (a-2) Character size change The size of the characters printed out can be set to either normal size or double-width size. Printing at the double-width size → Press the ENT switch. The printer will print “Large”. Printing at the normal size →...

  • Page 53: Ending Function Settings Editing Session

    5.3.5 Ending function settings editing session To end the function settings editing session, press this switch.: MENU The printer will print: STATE END to indicate that the function settings editing session has ended. Settings that have been selected will be stored in memory.

  • Page 54: Status Printing

    STATUS PRINTING Printing the list of current settings You can print out a list of all the settings that are currently active. Press this switch.: STATE The printer will print out a list of settings similar to this: Programmed Navtex Receiver Status **Disabled Area : -------------------------- **Disabled Message Type :...

  • Page 55: Self-Diagnostic Tests

    SELF-DIAGNOSTIC TESTS Executing self-diagnostic tests The self-diagnostic tests begin with receiver/demodulator circuit tests and end with message- processing tests, and confirm whether or not the internal circuits of the equipment are operating normally. Press this switch.: TEST If the self-diagnostic tests do not detect any abnormalities, data will be printed out as follows and the alarm buzzer will sound: ------- Press “ALARM OFF ”...

  • Page 56: Coast Station Mode

    COAST STATION MODE The coast station mode is intended for use by coast stations in order to monitor their own NAVTEX transmissions. When this mode is set, the receiving station and message type can not be selected. All receiving stations and message types (A to Z) are selected by default. Since message identification codes are not stored into the memory, the same message is printed repeatedly.
  • Page 57 (b) Clearing the coast station mode Following these procedures to clear the coast station mode: POWER Turn power off by pressing the POWER switch. ∇ FEED Next, while depressing this switch., press: ∇ POWER Power will be turned back on. ∇...

  • Page 58: Maintenance Check

    CHAPTER 6 MAINTENANCE AND INSPECTION MAINTENANCE To maintain the equipment always in its best condition, it is important to perform maintenance checks and record the results. Thus, potential problems can be detected early and trouble can be avoided. 6.1.1 Daily check Without printer paper, you cannot obtain necessary information.
  • Page 59 (b) Self-diagnostic tests Self-diagnostic tests begin with testing of the receiver/demodulator circuit and end with testing of message-processing. The results are printed out, and if the tests detect no abnormalities, the print-out will look like this: ･･････････ Press “ALARM OFF” ････････････ ･･･････････････...
  • Page 60 ROM tests A test of the computer and memories are executed. When this check is completed correctly, it prints as following: “Main Processor: Good” If any errors are found, the following error message is printed: “Main Processor: Failed” ･････････Main Processor : Failed ･････････ Message-processing tests Loop tests are carried out to check for normal operation of the processes from NAVTEX message receiving to printing.
  • Page 61 Other checks by the self-diagnostic tests Checking the receiving tone During tests, if the equipment is normal, a soft tone will be heard. If this tone is not heard, or if the tone is unusually loud, either the CMN-2330 receiver board or the CDJ-2330 is likely to be malfunctioning.

  • Page 62: Other General Maintenance And Check Items

    6.1.3 Other general maintenance and check items In addition to periodic checks by the self-diagnostic tests, it is recommended to check the following periodically. CAUTION When loading the printer paper, cut the leading edge straight. Uneven cutting may cause the paper to jam. NOTE: If the “out of paper”...
  • Page 63 Check Items Contents Antenna 1) Is the antenna mounted properly? 2) Is the whip antenna free from damage or other abnormalities? 3) Is the self-fusing adhesive tape wound properly around the antenna connectors? 4) Is the antenna cable connected properly to the terminal board on the rear panel? 5) Is a DC voltage between the plus and minus antenna terminals 9 volts? NAVTEX receiver...

  • Page 64: 6.2 If Paper Becomes Jammed

    6.2 IF PAPER BECOMES JAMMED If the paper jams near the printer head, ask your nearest branch, business office or a dealer for inspection and repair. CAUTION If the paper in the printer jams, do not continue pressing the FEED switch. When loading paper into the printer, cut the leading edge straight.

  • Page 65: Fuse/Circuit Board Replacement

    FUSE/CIRCUIT BOARD REPLACEMENT 6.3.1 Removing the casing (Preparation for fuse/circuit board replacement) WARNING The power switch on the power distribution panel must be turned off during disassembly of the equipment. Failure to observe this warning could cause electrical shock and/or malfunction. CAUTION Wiring must be disconnected from the terminal board during disassembly of the equipment.
  • Page 66           Fig. 6-3 Removing the casing...

  • Page 67: Replacing Fuses

    6.3.2 Replacing fuses WARNING The power switch on the power distribution panel must be turned off during replacing a fuse. When replacing a fuse, use extreme caution not to bring it into contact with adjacent ones. Short-circuiting due to making contact may cause power and/or circuit board damage.

  • Page 68: 6.4 Maintenance Component Lists

    NAW-330 NAVTEX Antenna Board Unit Name of the unit Model number JRC part code Antenna coupler CFG-2330 CFG-2330 6.4.2 Maintenance parts Parts for the NCR-330 NAVTEX Receiver Part name Model number JRC part code Fuse MF51NN-3.15A 5ZFAD00227 Front panel MPBC32211...

  • Page 69: Chapter 7 After-Sale Services

    CHAPTER 7 AFTER-SALES SERVICE ♦ When Requesting Repair (1) If you suspect that a problem has occurred, take the appropriate remedial action after completing the following diagnostic : Check the rear terminal board of the equipment for loose or disconnected cables. Check that the required voltage is supplied to the power input terminals on the rear terminal board of the equipment.
  • Page 70 ♦ Optional Maintenance Checks Over a period of time, the performance of various components will deteriorate. The actual rate of deterioration will vary according to the operating conditions and environment. It is therefore recommended for your equipment to undergo optional maintenance and servicing in addition to your own checks.

  • Page 71: Chapter 8 Disposal

    CHAPTER 8 DISPOSAL If this product is to be disposed of, process it in accordance with the legal regulations of the local government having jurisdiction. For further details, please contact your dealer or JRC sales/service representative or the local government having jurisdiction. Materials⋅...

  • Page 73: Chapter 9 Specifications

    CHAPTER 9 SPECIFICATIONS NCR-330 RECEIVER 9.1.1 Electrical specifications (1) NAVTEX receiver unit a. Receiver Receiving frequency 518 kHz Receiving scheme STRAIGHT Receiving mode Gain Max. character error ratio: 1% at an antenna input of 1µV Antenna input Special antenna (NAW-330)

  • Page 74: Mechanical Specifications

    Brightness control Self-diagnostic tests Paper feeding Display/indicator unit Power-on indicator Visual alarm on important message receiving Out-of-paper alarm Receiving indicator (2) Power unit Input voltage 12 to 24 VDC(Tolerance +30%,-10%) Power consumption (Standby) at 12 VDC: Approx. 4 W (Operating) at 12 VDC: Approx. 6 W (max.) (Standby) at 24 VDC: Approx.

  • Page 75: Naw-330 Antenna

    NAW-330 ANTENNA 9.2.1 Electrical specifications Receiving frequency 518 kHz Bandwidth 5 kHz Gain Min. antenna coupler output: 60 dBµV (at an electric field intensity of 60 dBµV/m) Power consumption 6 mA at 9 VDC Impedance 50Ω 9.2.2 Mechanical specifications Installation Mountable on a pole up to 9 cm across using the supplied mounting band.

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