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Japan Radio Co. JAX-9B Instruction Manual

Manual is about: WEATHER fACSMILE RECEIVER

Summary of JAX-9B

  • Page 1

    Instruction instruction manual manual jax-9b jax-9b weather facsimile weather facsimile receiver receiver 01etm iso 9001, iso 14001 certified printed in japan marine service department +81-3-3492-1305 +81-3-3779-1420 tmsc@jrc.Co.Jp telephone : facsimile : e-mail : amsterdam branch telephone : facsim...

  • Page 3: Preface

    Preface i thank you very much for purchasing the jrc jax-9b weather facsimile receiver. Jax-9b is designed to receive fax broadcasting such as weather charts and marine charts transmitted in a high frequency band (2 to 25mhz) and record those on recording paper. Read this instruction manual carefull...

  • Page 4: Before Operation

    Before operation ii pictorial indication in this instruction manual and on the product, we use various pictorial indications to handle the product safely and correctly and to prevent you from harming yourself and other people or damaging those properties beforehand. Meanings of the indications are s...

  • Page 5: Precautions

    Precautions iii do not disassemble or remodel this equipment. Such action may cause a fire, electric shock, or malfunction of the equipment. Do not use any power supply voltage other than the specified one. Such an action may cause a fire, an electric shock, or equipment malfunction. Turn off power ...

  • Page 6: Precautions

    Precautions iv when disposing of this unit, abide by local laws and regulations. For lithium battery, however, contact the sales department of jrc, a nearby branch office, business office, or any agents of jrc without discarding it as it is. Do not insert or drop any foreign objects such as metallic...

  • Page 7: Precautions

    Precautions v do not use organic solvents such as thinner or benzene to clean the surface. These agents can damage the surface coating. Remove dirt and dust on the surface if any and wipe it with a clean dry cloth. Use the recording paper (6zpts00108) as specified by jrc. The use of any other unspec...

  • Page 8: Precautions

    Precautions vi turn on or off the power switch after waiting more than one second. Turning it back on right after being turned off in no time may cause the equipment malfunction. Clean the thermal head with a piece of soft cloth always. Do not rub it with a screw driver or file. Otherwise, it destro...

  • Page 9: Equipment Appearance

    Equipment appearance vii jax-9b weather facsimile receiver external appearance.

  • Page 10: Conntents

    Conntents contents preface ………………………………………………………….……………………..………………...……...I before operation …………………………………………..……….……………………..…………...……...Ii precautions …………………………………………………………….………...………..…………...……...Iii equipment appearance ………………………………………………………….……...….………...……...Vii glossary ………………………………………………….……...

  • Page 11: Contents

    Contents 4.3 reception of facsimile broadcasting ...................................................................................32 4.3.1 turning on the power...................................................................................................32 4.3.2 setting receiving frequencies ....

  • Page 12: Conntents

    Conntents 5. Chapter 5 maintenance................................................................................................................ 71 5.1 replacing recording paper .................................................................................................71 5.2 cleaning ..........

  • Page 13: Glossary

    Glossary xi scanning when a facsimile broadcasting is received and recorded, the recording of the received image starts one dot by one dot from the left end of the paper. When the recording reaches the right end, it is returned to the left end of the paper again and the same operation is repeated un...

  • Page 14: Glossary

    Glossary xii phase signal phase signal is the signal transmitted next to the start signal. It is indicated at the both ends of the image when synchronization is made. It is used for the automatic setting of scan speed and it is an essential signal used for the automatic recording (auto), manual reco...

  • Page 15

    Chapter 1 general outline of equipment 1 1. Chapter 1 general outline of equipment 1.1 function jax-9b is capable of receiving facsimile broadcasting such as weather charts and marine charts transmitted in the high-frequency band (2 to 25mhz) and records them on the recording paper. 1.2 features 1.2...

  • Page 16

    Chapter 1 general outline of equipment 2 1.2.5 automatic frequency selection a frequency with the best receiving condition can be automatically selected among 9 frequencies in the same group. This function can demonstrate a superior effect in timer program recording because it is not necessary to se...

  • Page 17

    Chapter 1 general outline of equipment 3 1.3 components table of components for weather facsimile receiver no. Name type quantity mass 1unit (kg) remarks standard components 1 weather facsimile receiver jax-9b 1 5.3 with a recording paper roll for testing 2 protective cover mtt312734 1 0.08 3 coaxia...

  • Page 18

    Chapter 1 general outline of equipment 4 1.4 outline drawings jax-9b dimensions (outline drawing).

  • Page 19

    Chapter 1 general outline of equipment 5 1.5 system diagram (220vac).

  • Page 20

    Chapter 1 general outline of equipment 6.

  • Page 21

    Chapter 2 names and functions 7 2. Chapter 2 names and functions 2.1 power switch the power switch is located on the back panel of jax-9b. The power switch has three modes of on / off / timer (timer program recording). 2.2 operation panel see the following before reading the explanation of each oper...

  • Page 22

    Chapter 2 names and functions 8 2.2.1 operation of switches no. Name function note man ● single function alternately switches between auto and manu of recording mode. When the manu mode is set, the ioc and the scan speed must be set to those of the broadcasting station. Not accepted; • during forced...

  • Page 23

    Chapter 2 names and functions 9 no. Name function note ⑨ shows the present time and set the correct time. To end the clock setting mode, press this switch. Not accepted; •during program entry ⑩ mo selects a channel for reading a registered frequency. Press a channel number after pressing mo, a regis...

  • Page 24

    Chapter 2 names and functions 10 no. Name function note ⑭ 4 ● combined function ( # + □ ) prints a list of frequency in a memory. Accepted; •auto mode 5 ● combined function ( # + □ ) prints a list of timer program in a memory. Accepted; •auto mode 6 ● fine-adjusting mode of frequency uses to step up...

  • Page 25

    Chapter 2 names and functions 11 2.3 control dials no. Name function ① sp vol adjusts the monitor volume of the receiver. ② sync adjusts recorded images to be straight, when it is printed out slantingly. 2.4 button for opening a cover of recording paper right side of front panel no. Name function ③ ...

  • Page 26

    Chapter 2 names and functions 12 2.5 lcd display jax-9b displays a recording mode and the operation status in the lcd. It is composed of the upper and lower row of 20 characters for each and 40 characters in total. 2.5.1 startup when power is turned on, jax-9b starts up with the previous recording m...

  • Page 27

    Chapter 2 names and functions 13 2.5.2 during recording the lcd displays the following during recording the facsimile broadcasting. 2.5.3 display contents no. Name function ① recording mode this field shows the current recording mode (auto, manu, and #rec (forced recording)). The above example shows...

  • Page 28

    Chapter 2 names and functions 14 no. Name function ⑦ ＃ this field shows "#" when you press “#” switch and accepted. The combined function will be accepted by pressing next switch ([rec], [rev], [ext], [att], [4], [5], [7], [0], [dim]). The "#" is cleared by activating a combined function. To clear t...

  • Page 29: Chapter 3  Installation

    Chapter 3 installation 15 3. Chapter 3 installation please request jrc service engineer for the installation and wiring work for jax-9b weather facsimile receiver on purchase. Do not use any power supply voltage other than the specified one. Such an action may cause a fire, an electric shock, or equ...

  • Page 30

    Chapter 3 installation 16 3.1 installation procedure 1) press the [push open] button. The top cover opens. 2) while pressing the bottom of the front cover against the facsimile body, pull the top of the front cover toward you to open. 3) remove the recording paper roll. [push open] button 4) remove ...

  • Page 31

    Chapter 3 installation 17 6) mount the mounting base with four m5 bolts or four wood screws. 7) reverse the above steps to remount the facsimile body and set the recording paper roll in it. 8) connect the antenna cable, the power cable, and the earth. Connect the bk input cable, af input cable of th...

  • Page 32

    Chapter 3 installation 18 3.2 precautions for installation 1) supply voltage jax-9b operates within the following voltage range shown below. • dc power supply: +10vdc to +42vdc (standard voltage: +12vdc, +24vdc, +32vdc -10% to +30%) • ac power supply: option (rectifier unit nba-5143 is required.) no...

  • Page 33

    Chapter 3 installation 19 3.3 changing display language basically jax-9b uses alphanumeric characters for labels and data on the lcd. Japanese characters are also available to jax-9b. To use japanese characters, take the following steps: 1) changing display language on switches stick attached japane...

  • Page 34

    Chapter 3 installation 20 3.4 connection of gps receiver the internal clock of jax-9b can be automatically updated by time data received from the gps receiver. However, because of the necessity for registering the time difference with the standard time (utc) that the gps receiver outputs, it is nece...

  • Page 35

    Chapter 3 installation 21 3.6 installation drawaing jax-9b can be mounted on the wall or on the desktop. Secure space as shown in the figure below around jax-9b for maintenance. Left and right space of the facsimile on the desktop upper and rear side space of the facsimile on the desktop upper and l...

  • Page 36

    Chapter 3 installation 22 3.7 connection of cables 3.7.1 wiring of standard configurations gnd ext a f in(+ ) sh iel d b k (-) bk( + ) sh iel d gps in(- ) gps in(+ ) af signal input fr om exter nal receiver (0d b m / 600 Ω ) bk sign al inp ut +24vdc gps data inpu t se rial data (4 800bp s) dc + dc- ...

  • Page 37

    Chapter 3 installation 23 3.7.2 power supply wiring when connecting to ac power supply (option) 1 3 nba-5143 ＪＲＣ 2a ac in dc24v out － ＋ com 100v 220v fg 1：red 2：blue 3：green ac in com 100v 220v ac power supply 220vac ac power supply 100vac tb101.

  • Page 38

    Chapter 3 installation 24 3.7.3 connecting to personal computer (option) the installation method is described on the “instruction manual for optional software” in the separate volume..

  • Page 39: Chapter 4    Operation

    Chapter 4 operation 25 4. Chapter 4 operation this chapter describes the operation procedure for receiving facsimile broadcasting in the following sections: ● selection and setting of receiving frequency (automatic frequency selection) ••••••••• 4.1 ● recording modes ••••••••••••••••••••••••••••••••...

  • Page 40

    Chapter 4 operation 26 4.1 selection and setting of receiving frequency (automatic frequency selection) a facsimile broadcasting station broadcasts the same program on multiple frequencies at the same time. When a facsimile broadcasting is received, the received image quality depends upon the propag...

  • Page 41

    Chapter 4 operation 27 table 4.1 registered frequency channels group channel frequency channel automatic frequency selection function 00 01 to 09 10 11 to 19 20 21 to 29 30 31 to 39 40 41 to 49 50 51 to 59 60 61 to 69 70 71 to 79 80 81 to 89 90 91 to 99 total 10 groups total 90 frequencies when sele...

  • Page 42

    Chapter 4 operation 28 2) cautions for using automatic frequency selection function • this function works when operating the internal receiver of this equipment. Thus, the function cannot be used in operating an external receiver. • perform this function about one minute before the start of broadcas...

  • Page 43

    Chapter 4 operation 29 4.2 recording modes a facsimile broadcasting can be received in the following 3 options: a) detecting a facsimile broadcasting signal to start recording automatically. • automatic recording mode • manual recording mode b) starting recording only at specified time • program rec...

  • Page 44

    Chapter 4 operation 30 manual recording mode preset the receiving parameters. Recording will be started only when jax-9b receives the broadcast matched with the preset parameters. * parameters: density (ioc) = 576 / 288 speed (scan speed) = 60 / 90 / 120 / 240 * jax-9b can receive (record) a fax pro...

  • Page 45

    Chapter 4 operation 31 4) facsimile broadcasting signal it explains control signals included in the facsimile broadcasting signal. Jax-9b can determine the starting and finishing point of recording and receiving parameters by detecting these control signals. • automatic recording mode: jax-9b detect...

  • Page 46

    Chapter 4 operation 32 4.3 reception of facsimile broadcasting the procedure necessary to receive a facsimile broadcasting is the following three steps. 1) turning on the power •••••••••••••• refer to 4.3.1 2) setting receiving frequencies ••••••••• refer to 4.3.2 3) selecting recording mode •••••••...

  • Page 47

    Chapter 4 operation 33 4.3.2 setting receiving frequencies input a receiving frequency in any of the following methods: • direct input of a receiving frequency using ten-key switch ••••• a) • setting a receiving frequency by frequency channel ••••••••• b) • setting a receiving frequency by group cha...

  • Page 48

    Chapter 4 operation 34 a) direct input of a receiving frequency using ten-key switch operational procedure 1) : clear the indication of the receiving frequency. 2) - : enter a receiving frequency. • enter a receiving frequency in the unit of [khz]. • enter the frequency down to the 100hz place (ente...

  • Page 49

    Chapter 4 operation 35 b) setting a receiving frequency by frequency channel operation procedure 1) : set the mode to the frequency channel readout mode. 2) - : enter a frequency channel number: “01－09”, “11－19”, ・・・・“91－99” are available. For example, the procedure of reading out a receiving freque...

  • Page 50

    Chapter 4 operation 36 c) setting a receiving frequency by group channel operation procedure 1) : set the mode to the frequency channel readout mode. 2) - : enter a group channel number: 10 groups of “00”, “10”・・・・“90” are available. If a group channel is read out, the automatic frequency selection ...

  • Page 51

    Chapter 4 operation 37 4.3.3 setting recording mode select any of the following recording modes: • setting automatic recording mode •••••••••••••••• a) • setting manual recording mode •••••••••••••••••• b) • starting forced recording •••••••••••••••••••••• c).

  • Page 52

    Chapter 4 operation 38 a) setting automatic recording mode operation procedure 1) : set the recording mode to “auto”. (the automatic and the manual recording modes are alternately switched over.) no. Switch indication description 1 manual recording mode automatic recording mode • select the recordin...

  • Page 53

    Chapter 4 operation 39 b) setting manual recording mode switch to manual recording mode if the recording cannot start in automatic recording mode. Operation procedure 1) : set the recording mode to “manu”. (the automatic and the manual recording modes are alternately switched over.) 2) : select ioc ...

  • Page 54

    Chapter 4 operation 40 c) starting forced recording start the recording in forced recording mode if the recording cannot be started in the manual recording mode. Operation procedure 1) : set the recording mode to “manu”. (the automatic and the manual recording modes are alternately switched over.) 2...

  • Page 55

    Chapter 4 operation 41 no. Switch indication description 6 + • stop recording. Even if the image receiving stops, recording does not stop automatically. Stop recording by manual stop operation. Phase adjustment mode • a state that no phase matching is made though recording started → check the scale ...

  • Page 56

    Chapter 4 operation 42 4.4 registration of frequency channel jax-9b is capable of registering a total of 90 receiving frequencies in 10 groups of 9 frequencies in the memory. Table of frequency channel registration group channel frequency channel automatic frequency selection function 00 01 to 09 10...

  • Page 57

    Chapter 4 operation 43 4.4.1 registering frequency channels operation procedure 1) : clear the indication of a receiving frequency. 2) - : enter a receiving frequency. 3) : set the frequency channel registration mode. 4) - : assign a registration channel. 5) : enter and register an entered frequency...

  • Page 58

    Chapter 4 operation 44 5 registration on ch01 is completed. The registration on the next channel (ch02) is possible. * in order to register on any other channel than ch02, return to step 3 and assign the channel number. 6 ｜ frequency: 7795.0khz enter [7], [7], [9], [5], [0] in turns. In order to reg...

  • Page 59

    Chapter 4 operation 45 • execute the operation for registration of all the channels up to the last channel (ch*9) in the same group in order to use the automatic frequency selection function. If it is unnecessary to enter any frequencies, only press [ent] switch so that the registered frequencies wi...

  • Page 60

    Chapter 4 operation 46 no. Switch indication description 1 clear the frequency indication. 2 channel number entry mode. 3 ｜ frequency channel: ch01 enter [0], [1] in turns. Enter the registration channel number. 4 clear the registered frequency on ch01. It is possible to clear the registered frequen...

  • Page 61

    Chapter 4 operation 47 4.4.3 printing list of registered frequency the registered frequency channels can be printed out as a list in recording paper. After the registration of frequency channels, check if no setting error was made by the printed list of registered frequency channels. Operation proce...

  • Page 62

    Chapter 4 operation 48 4.5 timer program recording (registration) by registering the timer program, jax-9b is able to receive (record) 15 facsimile broadcasting in 24 hours. The operation procedure necessary for timer program recording is executed in the following three steps. 1) registration timer ...

  • Page 63

    Chapter 4 operation 49 4.5.1 registration timer program register the program for timer program recording. Operation procedure the timer programs can be registered at the automatic recording mode only. Switch the recording mode to the automatic recording mode before starting registration procedure, i...

  • Page 64

    Chapter 4 operation 50 16) : select the half-tone recording mode (valid / invalid). No indication means invalid. 17) : confirm the half-tone mode. For continuous registration of the next program, return to step 2). 18) : complete the timer program registration. Lcd indications of each registering it...

  • Page 65

    Chapter 4 operation 51 note • timer programs cannot be registered while operating in timer program recording mode • the program numbers in which the program can be registered are 15 programs of 1-15. • set the time on the 24-hour basis. The entry time is acceptable in either utc or lmt. The program,...

  • Page 66

    Chapter 4 operation 52 4.5.2 setting power switch to timer mode 1) setting power switch to timer mode operate the main power switch on the rear side of jax-9b. It is necessary to shift the main power switch from the on state to the timer mode. (if the main power switch is shifted from the off state ...

  • Page 67

    Chapter 4 operation 53 4.5.3 verifying timer program verify the registered items of the timer programs. Operation procedure 1) : start the timer program registration mode. 2) - : enter a program number for verifying. Program number: 1 to 15, total 15 channels 3) : the registered items of selected ti...

  • Page 68

    Chapter 4 operation 54 4.5.4 modifying timer program the registered timer program can be modified. Operation procedure 1) : start the timer program registration mode. 2) - : enter a program number for verifying. Program number: 1 to 15, total 15 channels 3) n times : the item to be modified will be ...

  • Page 69

    Chapter 4 operation 55 4.5.5 deleting timer program the registered timer program can be deleted. Operation procedure 1） : start the timer program registration mode. 2） - : enter a program number for verifying. Program number: 1 to 15, total 15 channels 3） : the registered program of selected channel...

  • Page 70

    Chapter 4 operation 56 4.5.6 printing list of timer program the registered timer programs are printed out as a list on recording paper. After registration of the timer programs, verify that there is no error in the registration in referring to the printed list. Operation procedure 1) : set the combi...

  • Page 71

    Chapter 4 operation 57 4.6 additional functions in accordance with broadcasting and reception the additional functions available for receiving facsimile broadcasting are described below. 1) adjustment of inclined recorded image ••••••••• refer to 4.6.1 2) halftone recording •••••••••••••••••••••• re...

  • Page 72

    Chapter 4 operation 58 4.6.1 adjustment of inclined recorded image a recorded image may be inclined (deviated) a little to the left or right gradually. In this case, the inclination of the recorded image can be adjusted by using the following control dial: before adjustment after adjustment operatio...

  • Page 73

    Chapter 4 operation 59 4.6.2 half-tone recording in receiving a photo image of a meteorological satellite, the recorded image is clearer in half-tone recording. Operation procedure 1) : the half-tone mode can be switched (on/off) no. Switch indication description 1 • the half-tone mode is valid. 2 •...

  • Page 74

    Chapter 4 operation 60 4.6.3 reverse recording of black/white some broadcasting stations broadcast the black/white reversed images (white image in the black background). Please make the black/white reverse recording mode valid when receiving from such fax broadcasting stations. Operation procedure t...

  • Page 75

    Chapter 4 operation 61 4.6.5 attenuator to internal receiver this function can be used when a receiving broadcast is disturbed by external noise or strong radio signals from other broadcasting station. Operation procedure the attenuator to internal receiver can be switched over (on/off) by the follo...

  • Page 76

    Chapter 4 operation 62 4.6.6 fine tuning of receiving frequency (up / down) the receiving frequency of the internal receiver can be tuned up and down in the steps of 100hz. Operation procedure 1) : set the combined function mode. : start the receiving frequency tuning (up/down) mode. 2) : • press th...

  • Page 77

    Chapter 4 operation 63 4.6.7 switching to external receiver jax-9b can be connected to external hf receiver to receive facsimile broadcasting. Operation procedure the external receiver mode can be switched over (on/off) by the following operations: 1) : set the combined function mode. 2) : switch th...

  • Page 78

    Chapter 4 operation 64 4.7 necessary functions for normal operation of facsimile the functions necessary for normal operation of jax-9b are described below. 1) setting internal clock ••••••••••••••••••••• refer to 4.7.1 2) adjusting the brightness of operation panel ••••••• refer to 4.7.2 3) languag...

  • Page 79

    Chapter 4 operation 65 4.7.1 setting internal clock set the time of the internal clock. The time is important parameter for timer program recording. If the time is not set right, the timer program recording will be disabled. It is necessary to correct the time of the internal clock periodically. Mem...

  • Page 80

    Chapter 4 operation 66 time comes 4 • end the current time indication mode. Note • when the built-in lithium battery (approx. 5 years) runs out, the timer should be set again after replacing the battery. 4.7.2 adjusting brightness of operation panel the brightness of the backlight of the operation p...

  • Page 81

    Chapter 4 operation 67 4.7.4 program version display the program version of jax-9b is indicated on the lcd. Operation procedure 1) : set the combined function mode. 2) : the program version number is indicated on the lcd. * the software version indication automatically disappears after about 5 secon...

  • Page 82

    Chapter 4 operation 68 4.8 alarm indications if any trouble occurs in this equipment, it is indicated on the lcd. In such case, check on the alarm item and take necessary step. 1) no recording paper ••••••••••••••••••••• refer to 4.8.1 2) bk signal input •••••••••••••••••••••••• refer to 4.8.2 3) li...

  • Page 83

    Chapter 4 operation 69 4.8.1 no recording paper when the recording paper is used up, the lcd indicates the message as shown below. Then, it is necessary to replace it with a new roll of recording paper. For the procedure of replacing it, refer to section 5.1. Press [clr] switch for deleting the alar...

  • Page 84

    Chapter 4 operation 70 4.8.3 life of backup battery (clock error) 1) the indication of the life of backup battery when turned on jax-9b and “clock error” message is displayed on the lcd, it means that the backup battery has run out. In this case, replace the battery by referring to section 5.3. Note...

  • Page 85: Chapter 5  Maintenance

    Chapter 5 maintenance 71 5. Chapter 5 maintenance do not attempt inspections or repairs on the internal part of the equipment by yourself. Inspections or repairs by anyone other than qualified maintainers may result in a fire or an electric shock. Ask for internal inspections or repairs of the equip...

  • Page 86

    Chapter 5 maintenance 72 2) a red band as ending mark appears. Ending mark 3) press the push open button to open the top cover of jax-9b. 4) open the front cover of jax-9b. In order to open it, pull the upper part of the front cover toward you while pushing its lower part against the facsimile body....

  • Page 87

    Chapter 5 maintenance 73 6) put a new recording paper roll in the paper holder and let the recording paper through under the rubber roller as shown below. Rubber roller recording paper 7) pull the leading part of the paper straight toward you. Do not let it slack. 8) close the front cover of jax-9b ...

  • Page 88

    Chapter 5 maintenance 74 5.2 cleaning clean the thermal head with a piece of soft cloth. Do not rub it with a screw driver or file. Otherwise, the thermal head may be damaged. Jax-9b is designed for maintenance-free use and does not need much daily work, but jax-9b should always be kept clean. No sm...

  • Page 89

    Chapter 5 maintenance 75 5.3 replacing backup battery the user may not replace the backup battery. Even if the power switch on the equipment is set to off, some parts may remain electrically charged, causing an electric shock or failure. For replacing the backup battery, contact a nearby jrc marketi...

  • Page 90

    Chapter 5 maintenance 76 5.4 troubleshooting if jax-9b has a failure, it should be diagnosed by an authorized service engineer to replace any defective part. However, the user can shoot the simple troubles referring to the table below. Trouble symptom cause action refer to paper feed and recording a...

  • Page 91

    Chapter 5 maintenance 77 trouble symptom cause action refer to the [manu] switch is not accepted. The register operation of a timer program has not been completed. The display of lcd is still a program mode. Press the [prog] switch. The timer program mode is finished. P47 the [feed] switch is not ac...

  • Page 92

    Chapter 5 maintenance 78.

  • Page 93

    Chapter 6 connection of gps receiver 79 6. Chapter 6 connection of gps receiver jax-9b can correct the internal clock automatically by receiving the time data outputted from a gps receiver. Connecting a gps receiver to jax-9b is recommended if the timer program recording is used. Doing so will make ...

  • Page 94

    Chapter 6 connection of gps receiver 80 6.2 operation check the automatic time correction is performed only by connecting a gps receiver to jax-9b. (it is unnecessary to set up jax-9b.) 1) timing for automatic time correction the automatic time correction is performed at the following timing, but th...

  • Page 95

    Chapter 7 optional function 81 7. Chapter 7 optional function the facsimile images received by jax-9b can be displayed on the monitor of a personal computer by adding option kits. For the details of the operations, refer to the “instruction manual for optional software” of a separate volume. 7.1 opt...

  • Page 96

    Chapter 7 optional function 82 7.3 software for the pc the main functions of the pc software are to display the received images transmitted from jax-9b and to store the images in an image file. For the detail of the pc software, refer to the “instruction manual for optional software” of a separate v...

  • Page 97

    Chapter 8 operating environment 83 8. Chapter 8 operating environment take care of the following points to keep the operating environment in which jax-9b can operate normally: if jax-9b is exposed to the direct sunlight, the temperature in jax-9b inside will become extraordinarily high. Install jax-...

  • Page 98

    Chapter 8 operating environment 84.

  • Page 99

    Chapter 9 customer support 85 9. Chapter 9 customer support when requesting the repair or replacement if you suspect that jax-9b has a failure, check jax-9b again referring to “chapter5 5.4 troubleshooting”. If a trouble remains after your troubleshooting, stop the use of jax-9b and consult with a n...

  • Page 100

    Chapter 8 operating environment 86.

  • Page 101

    Chapter 9 customer support 87 jax-9b failure check list when placing an order for repair of the product, you are kindly requested to check "yes" "no" boxes on the list shown below and send the sheet back to our office. Vessel name: phone: fax: jax-9b serial number: read the following check items in ...

  • Page 102: 10.

    Chapter 9 customer support 88 10. Chapter 10 disposal in returning the run-out lithium battery to jrc, take the isulating treatment such as attaching a tape to the +/– terminals. If the battery is short-circuited with no insulating treatment, a heat, explosion or fire may be caused. 10.1 disposal of...

  • Page 103: Chapter 10    Disposal

    Chapter 10 disposal 89.

  • Page 104: 11.

    Chapter 11 specifications 90 11. Chapter 11 specifications 11.1 facsimile functional ability 1) recording system : solid-state recording by thermal head 2) recording paper : thermo-sensitive recording paper 260mm (width) x 25m (length) / roll 3) effective recording width : 256mm (10 inches) 4) index...

  • Page 105: Chapter 11 Specifications

    Chapter 11 specifications 91 11.2 synthesized receiver 1) receiving system : phase-locked type frequency synthesized with up-conversion and double super heterodyne type 2) class of emission : f3c 3) frequency range : 2.0000 - 24.9999 mhz 4) automatic frequency selection: the optimal frequency is sel...

  • Page 106: 12.

    Chapter 11 specifications 92 12. Appendix appendix figure 1. Naw-60 6m whip antenna (unit:mm) mass:3.5kg 4-bolts m8x100 max φ90 min φ40 φ 34 4-bolts m8x40 108 100 material:sus bracket supporting pole (yard supply) φ 7 naw-60 antenna 7/1.6 wire φ 34 attached to antenna attached to antenna bracket mat...

  • Page 107

    Appendix 93 appendix figure 2. Jqd-69c junction box 11 0±1 16 0

  • Page 108

    Appendix 94 appendix figure 3. Nba-5143 rectifier unit 120±2 170±2 130±1 max 20 20 20

  • Page 109

    Appendix 95 for reception of clear facsimile images it often happens that facsimile images are blurred, disturbed or broken during reception. You may think that your facsimile unit becomes defective or has the worse reception sensitivity. Before thinking so, let us study the nature of wave propagati...

  • Page 110

    Appendix 96 appendix figure 4 interfered reception example 1.

  • Page 111

    Appendix 97 appendix figure 5 interfered reception example 2.

  • Page 112

    Appendix 98 appendix figure 6 interfered reception example (multi-path echo).

  • Page 113

    Appendix 99 appendix figure 7 interfered reception example (fading).

  • Page 114

    Appendix 100 appendix figure 8 interfered reception example (different reception frequencies).

  • Page 115

    Appendix 101 execution of the automatic frequency selection function the wave propagation condition goes worse. Appendix figure 9 interfered reception example (by the use of the automatic frequency selection function).

  • Page 116

    Appendix 102 normal reverse normal appendix figure 10 reception example (by the false selection of the black/white inversion function).

  • Page 118

    Instruction instruction manual manual jax-9b jax-9b weather facsimile weather facsimile receiver receiver 01etm iso 9001, iso 14001 certified printed in japan marine service department +81-3-3492-1305 +81-3-3779-1420 tmsc@jrc.Co.Jp telephone : facsimile : e-mail : amsterdam branch telephone : facsim...