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Japan Radio Co. NCR-330 Instruction Manual

Manual is about: NAVTEX

Summary of NCR-330

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    Ncr-330 navtex receiver instruction manual.

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    I 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: Warning

    Ii 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. Some of these alert symbols an...

  • Page 4: Warning

    Iii 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 cou...

  • Page 5: Caution

    Iv 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 wate...

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    V 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 navt...

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    Vi external view of equipment.

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    Vii contents page preface ..........................................................................................................................................I before operation ........................................................................................................................

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    Viii 3.3.2 when battery power is to be used ........................................................21 3.4 cable connection......................................................................................23 3.4.1 connecting the antenna cable ........................................................

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    Ix chapter 6 maintenance check section 6.1 maintenance check...................................................................................47 6.1.1 routine check........................................................................................47 6.1.2 periodic check ..........................

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    X 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 print...

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    1 chapter 1 equipment overview 1.1 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 ...

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    2 1.3 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 he...

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    3 1.4 structure (unit: mm) external diagram of the ncr-330 navtex receiver.

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    4 external diagram of the naw-330 navtex antenna (approx. 610) approx.4.5 approx.190 (approx.400 ) mast φ 30 〜 φ 90

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    5 1.5 overall flow chart diagram overall flow chart diagram of the ncr-330 navtex receiver.

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    6 overall flow chart diagram of the naw-330 navtex antenna.

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    7 chapter 2 names and functions of components 2.1 front panel view of equipment with printer paper storage cover opened:.

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    8 1: power lamp pressing the power switch activates the green power lamp to indicate that the power has been turned on. 2: power switch turns the receiver on and off. 3: receive lamp this lamp turns on during signal detection and blinks during message text receiving. 4: test switch activates the rec...

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    9 10: 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 ope...

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    10 2.2 rear panel view of the equipment with rear cover removed:.

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    11 1: high-impedance antenna terminal (high-z ant) connect a wire antenna cable to this terminal. 2: 50-ohm antenna terminal (50ohm ant) connect a wide-band antenna cable to this terminal. 3: navtex antenna terminal (active ant) connect the antenna cable of naw-330 active antenna to this terminal. 4...

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    12.

  • Page 24: Warning

    13 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. 3.1 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...

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    14 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 fr...

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    15 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 knob...

  • Page 27: Warning

    16 3.2 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, electrica...

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    17 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...

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    18 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 perpendic...

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    19 3.3 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 uni...

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    20 fig. 3-5-2 wiring the rear terminal board - only when the power unit is to be used.

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    21 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.

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    22 fig. 3-6-2 wiring the rear terminal board - only when battery power is to be used.

  • Page 34: Caution

    23 3.4 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...

  • Page 35: Warning

    24 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 ...

  • Page 36: Caution

    25 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. 4.2 loading printer paper proceed as follows to set printer paper: (1) cut the leading edge of the paper straight across. ...

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    26 (2) 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..

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    27 (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. 4.3 feeding the printer paper feed press the feed switch . ∇ the paper is fed, line by line, with each p...

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    28 4.4 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 ...

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    29 (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 i...

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    30 4.5 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 run...

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    31 4.6 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 4.7 turning power off power press and hold the power switch for at least two seconds. ∇ ...

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    32 chapter 5 navtex receiving operations 5.1 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 are...

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    33 5.2 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. ∇ after the equipment has been turned back on and...

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    34 5.3 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. ∇ menu press the men...

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    35 5.3.2 selecting a receiving station after the printer has printed: (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. Note: fo...

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    36 → ending selection press the menu switch . The printer will print out the list of non-selected stations followed by: the message type can now be selected. (b) if you do not wish to select a station, press the clr switch . The printer will respond with: and to ask you to select a message type. (c)...

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    37 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: (a) to select a message type, first press the ent switch . This allows you to select a mes...

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    38 → ending selection press the menu switch. 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 ...

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    39 (c) if you wish to end the settings editing session, press the menu switch. The printer will respond with: to indicate that the function settings editing session has ended. Settings that have been selected will be stored in memory. State end.

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    40 5.3.4 selecting receiver status after the printer has responded with: (a) to select receiver status, first press the ent switch . This allows you to select receiver status. The printer prints out receiver status selection items. Select one from among those printed out. (a-1) alarm buzzer on/off t...

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    41 (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 → press the clr switch. The printer will print “normal”. ...

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    42 5.3.5 ending function settings editing session to end the function settings editing session, press this switch.: menu the printer will print: to indicate that the function settings editing session has ended. Settings that have been selected will be stored in memory. State end.

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    43 5.4 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 : --------------------------...

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    44 5.5 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-...

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    45 5.6 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. Sin...

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    46 (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. ∇ after the power has been turned back on and the printer has...

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    47 chapter 6 maintenance and inspection 6.1 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, yo...

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    48 (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: the contents and results of diagnosis are in...

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    49 2) 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” 3) message-processing tests loop tests are carried out to...

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    50 4) other checks by the self-diagnostic tests a. 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. B. Check...

  • Page 62: Caution

    51 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 o...

  • Page 63

    52 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)...

  • Page 64: Caution

    53 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 straig...

  • Page 65: Warning

    54 6.3 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 malfun...

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    55 fig. 6-3 removing the casing.

  • Page 67: Warning

    56 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...

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    57 6.4 maintenance component lists 6.4.1 maintenance units ncr-330 navtex receiver board unit name of the unit model number jrc part code receiver board cmn-2330 cmn-2330 main processor board cdj-2330 cdj-2330 main switch h-7szjd0002a 7szjd0002a state switch h-7szjd0003a 7szjd0003a naw-330 navtex an...

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    58 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 : a) check the rear terminal board of the equipment for loose or disconnected cables. B) check that the required vo...

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    59 ♦ 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 servici...

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    60 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 ⋅ ⋅ ...

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    61.

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    62 chapter 9 specifications 9.1 ncr-330 receiver 9.1.1 electrical specifications (1) navtex receiver unit a. Receiver receiving frequency 518 khz receiving scheme straight receiving mode f1b gain max. Character error ratio: 1% at an antenna input of 1µv antenna input special antenna (naw-330) bk 12 ...

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    63 brightness control self-diagnostic tests paper feeding d. 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 ...

  • Page 75

    64 9.2 naw-330 antenna 9.2.1 electrical specifications receiving frequency 518 khz bandwidth 5 khz gain min. Antenna coupler output: 60 db µ v (at an electric field intensity of 60 db µ v/m) power consumption 6 ma at 9 vdc impedance 50 Ω 9.2.2 mechanical specifications installation mountable on a po...