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JRC JMA-7710-6, Instruction Manual

The JRC JMA-7710-6 Instruction Manual is a comprehensive guide that provides users with detailed information on how to use this exceptional product. Available for free download from our website, this manual ensures that you can maximize the full potential of your JMA-7710-6 device.

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III

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 Cautions to be Used During Operation 

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 WARNING

Do not touch the insides of the scanner, transceiver and dis-

play unit.

Touching any high voltage area, you will get an electric shock.  For maintenance,

inspection and adjustment of internal parts of these equipment, consult with our sales

office or distributor in your district.

Since the scanner radiator rotates, do not approach it.

The scanner may start rotating suddenly, and consequently any person may be struck

and be injured.  We recommend you to install the scanner radiator on the roof of the

wheel house, flying bridge, trestle, radar mast or any other high position so that no

person can approach it.  When servicing the scanner, set the scanner safety button to

the OFF position.

Install the scanner at any place higher than any person.

If being exposed directly to electric wave at close range, you may suffer adverse

influence.

When approaching the antenna for maintenance or inspec-

tion, set the power button of the display unit to the ST-BY

position.

If being exposed directly to electric wave at close range, you may suffer adverse

influence.

 CAUTION

Use these radar only as assisting devices for navigation.

Also, the officer should make the final decision for maneu-

vering by himself.

Use ATA only as an assisting device for navigation.

Also, the officer should make the final decision for maneu-

vering by himself.

ATA's information such as vector, target value data, alarm, etc. may contain some

errors.  Also, targets which cannot be detected with these radar cannot be tracked at

their acquisition points.

Summary of Contents for JMA-7710-6

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Page 3: ... unit is combined as an option with the JMA 7700 radar series Before operating the equipment be sure to read this instruction manual carefully for correct operation Maintain this instruction manual so that operators can refer to it at anytime Refer to this manual when any inconvenience or defect occur This manual covers the issues related to the operation of the radar and ATA only For the issues r...

Page 4: ...be injured or any property damage is supposed to occur if this indication is neglected and these equipment are not operated correctly Examples of pictorial indication The mark represents CAUTION including DANGER and WARNING Detailed contents of CAUTION Electric Shock in the example on the left is shown in the mark The mark represents prohibition Detailed contents of the prohibited action Disassemb...

Page 5: ...anner set the scanner safety button to the OFF position Install the scanner at any place higher than any person If being exposed directly to electric wave at close range you may suffer adverse influence When approaching the antenna for maintenance or inspec tion set the power button of the display unit to the ST BY position If being exposed directly to electric wave at close range you may suffer a...

Page 6: ... parts inside these devices At the time wearing dry cotton gloves ensures you further to prevent such danger It is also a necessary caution to put one of your hands in the pocket and not to use your both hands at the same time It is also important to select a stable foothold always to prevent additional injuries once you were shocked by electricity If you were injured from electric shock disinfect...

Page 7: ...sk someone to call a doctor 4 Lay the victim on his back and loosen his necktie clothes belt etc 5 a Examine the victim s pulse b Examine his heartbeat bringing your ear close to his heart c Examine his breathing bringing the back of your hand or your face close to his face d Check the size of the pupils of his eyes 6 Open the victim s mouth and take out artificial teeth cigarette or chewing gum i...

Page 8: ...o it blocking the other nostril and his mouth completely 6 When the victim recovers consciousness he may try to stand up suddenly but let him lie calmly and serve him with a cup of hot coffee or tea to keep him warm and quiet Never give him alcoholic drinks Method of mouth to mouth respiration by raising head q w e Mouth to mouth respiration Raise the victim s head Support his forehead with one of...

Page 9: ...ac massages about 15 times and blow into his mouth 2 times quickly and repeat this combination In case of two rescuers One person repeats cardiac massages 5 times while the other person blows into his mouth once and they shall repeat this combination Cardiac massage and mouth to mouth respiration 3 Examine his pupils and his pulse sometimes When the both have returned to normal stop the artificial...

Page 10: ...VIII EQUIPMENT APPEARANCE Scanner Type NKE 1055 6 6 feet Scanner Type NKE 1056 6M 6 feet Scanner Type NKE 1056 9M 9 feet Display Unit Type NCD 3901 2 ...

Page 11: ...ION 1 1 Functions 1 1 1 1 1 Functions of This Equipment 1 1 1 1 1 1 Functions of Radar 1 1 1 1 1 2 Functions of ATA Option 1 1 1 2 Features 1 3 1 3 Composition 1 4 1 4 Configuration 1 5 1 5 General System Diagram 1 10 1 6 Concept of Collision Avoidance Measures Explanatory Notes 1 14 2 NAMES AND FUNCTIONS OF CONTROL PANEL SWITCHES AND MENU COMPOSITION 2 1 Names and Functions of Control Panel 2 1 2...

Page 12: ...Scales RANGE 3 18 3 3 4 Selecting Pulse Width PL 3 18 3 3 5 Disabling Ship s Head Marker HL OFF 3 18 3 3 6 Using Parallel Index Line 3 19 3 3 7 Selecting Presentation Mode PRESENTATION MODE 3 21 3 3 8 Selecting True Motion Relative Motion Display Modes TM RM TM RST 3 22 3 3 9 Changing Own Ship Display Position OFF CENT 3 24 3 3 10 Displaying Other Ship s Trails TRAILS 3 25 3 3 11 Displaying Fixed ...

Page 13: ...n Ship Track 3 79 3 6 1 Changing Track Color When equipped with the plotter 3 79 3 6 2 Selecting Track Storing Interval 3 79 3 6 3 Stopping Track Storing 3 81 3 6 4 Deleting Track by Color Using the COLOR Control 3 83 3 6 5 Deleting Track by Color Using Menu 3 85 3 6 6 Displaying or Hiding Track by Color 3 87 3 7 Displaying Navigation Information 3 89 3 7 1 Creating the Navigation Information Navi...

Page 14: ...one Alarm 5 21 5 6 3 Lost Target Alarm 5 22 5 6 4 Stopping Alarm 5 22 5 7 Erasing an Unnecessary Target 5 23 5 7 1 Erasing a Target per Target 5 23 5 7 2 Erasing All Targets 5 23 5 8 Adjusting Intensity 5 24 5 9 Function Check 5 25 5 9 1 Vector Constant Setting ATA 5 25 5 9 2 Video Level Setting 5 26 5 9 3 Checking the ATA Operation 5 29 5 10 Target Past Track 5 31 5 10 1 Setting Target Past Track...

Page 15: ...AND ADJUSTMENT 8 1 Function Check 8 1 8 1 1 Function Check 8 1 8 1 2 Testing Functions with Menu 8 1 8 1 2 1 Memory Test 8 2 8 1 2 2 Key Switch Test 8 3 8 1 2 3 Sensor Test 8 4 8 1 2 4 Line Test 8 4 8 1 2 5 ATA Status 8 5 8 1 2 6 ROM Version 8 5 8 1 2 7 Error Logging 8 6 8 1 2 8 Magnetron Current Running and Transmission Time 8 7 8 2 Failure Check 8 8 8 3 Troubleshooting 8 10 8 3 1 Troubleshooting...

Page 16: ... Reset 8 45 8 5 6 3 Total Master Reset 8 45 8 5 6 4 Internal Setting to Card 2 8 45 8 5 6 5 Card 2 to Internal Setting 8 46 8 5 6 6 User Memory 8 47 8 5 6 7 Restoring User Memory 8 47 8 5 7 Adjusting Position to Chart 8 49 8 5 7 1 Adjusting Video and Chart Using Trackball R P Mode 8 49 8 5 7 2 Adjusting Video and Chart Position by Entering Adjustment Value R P and Plotter Modes 8 50 8 5 7 3 Adjust...

Page 17: ... Radar Type JMA 7725 6 9 Appendix 5 Primary Power Supply System Diagram of Radar Type JMA 7710 6 and JMA 7725 6 9 Appendix 6 Internal Connection Diagram of Scanner Unit Type NKE 1055 Appendix 7 Internal Connection Diagram of Scanner Unit Type NKE 1056 Appendix 8 Internal Connection Diagram of Display Unit Type NCD 3901 2 Appendix 9 Power Supply Connection Diagram of Display Unit Type NCD 3901 2 Ap...

Page 18: ...ation A mode of display whereby own ship and all targets are referenced to the ground using ground track or set and drift inputs Guard zone A zone in which an alarm is given when a target is detected Heading The direction in which the bows of a ship are pointing expressed as an angular displacement from north HL Heading Line HUP Head UP Display mode in which the top of the screen corresponds to th...

Page 19: ...s own true motion VRM Variable Range Marker Trails Tracks displayed by the radar echoes of targets in the form of a synthetic afterglow The trails may be either relative or true The true trails may be sea or ground stabilized SOG Speed over Ground True bearing The direction of a target from own ship or from another target expressed as an angular displacement from north True course The true directi...

Page 20: ...XVIII ...

Page 21: ...ONTROL PANEL SWITCHES AND MENU COMPOSITION GENERAL AND EQUIPMENT COMPOSITION BASIC OPERATION MEASUREMENT TRUE AND FALSE ECHOES ON DISPLAY MAINTENANCE DISPOSAL SPECIFICATION COUNTERMEASURES FOR TROUBLE AND ADJUSTMENT AFTER SALES SERVICE APPENDIX 11 5 5 OPERATIONS OF ATA OPTION ...

Page 22: ......

Page 23: ... Functions 1 1 1 2 Features 1 3 1 3 Composition 1 4 1 4 Configuration 1 5 1 5 General System Diagram 1 10 1 6 Concept of Collision Avoidance Measures Explanotory Notes 1 14 GENERAL AND EQUIPMENT COMPOSITION ...

Page 24: ...ip You can catch the ship on the radar Signals from the ship are processed with the data processor and are transferred to the computer as signals of bearing and range related to the own ship In this stage the system has the functions to quantize radar information to reject noises to eliminate any information other than ship information and to transfer necessary position data of ships to the comput...

Page 25: ...tube and numerical indicator and various data are available This system indicates unprocessed video vectors to be selected from true vector and relative vector of other ships and identification marks of danger ship or safe ship for these ships on the usual radar scope When the target ship is a danger one the system will sound an alarm and turns on the alarm lamp to alert the officer ...

Page 26: ...ed since the system has only with the minumum number of keys enabling quick handling even in an emergency Various other functions are also available through easy key operation and screen menu selection Optional ATA utilizing the latest technologies The acquiring and tracking functions of the ATA have been improved by adopting the latest radar signal processing and tracking technologies achieving s...

Page 27: ...Display unit monitor power supply circuit fuse MF51NN 0 5A 2 Scanner unit NKE 1055 carbon brush S00152 5C 70 2 Scanner unit NKE 1056 carbon brush 54511 03 Hood MPOL30274A 1 Instruction manual 7ZPRD0524 1 Equipment componets 1 3 Composition Remarks Radar type Scanner unit Display unit JMA 7710 6 10 kW JMA 7725 6 25 kW JMA 7725 9 25 kW Trans mitting output Band Ship s power supply NKE 1055 6 6ft slo...

Page 28: ...utline Drawing of Scanner Unit Type NKE 1055 6 Fig 1 1 Outline Drawing of Scanner Unit Type NKE 1056 6M Fig 1 2 Outline Drawing of Scanner Unit Type NKE 1056 9M Fig 1 3 Outline Drawing of Display Unit Type NCD 3901 2 Fig 1 4 ...

Page 29: ...1 1 6 1 4 Fig 1 1 Outline Drawing of Scanner Unit Type NKE 1055 6 MASS APPROX 33 O SCANNER UNIT MASS APPROX 3 O PM UNIT UNIT mm ...

Page 30: ...1 7 1 4 Fig 1 2 Outline Drawing of Scanner Unit Type NKE 1056 6M MASS APPROX 41 O UNIT mm ...

Page 31: ...1 1 8 1 4 Fig 1 3 Outline Drawing of Scanner Unit Type NKE 1056 9M MASS APPROX 47 O UNIT mm ...

Page 32: ...1 9 1 4 Fig 1 4 Outline Drawing of Display Unit Type NCD 3901 2 MASS APPROX 63 O UNIT mm hood CABLE INLET 25 8 ...

Page 33: ...1 10 1 General System Drawing of Radar Type JMA 7710 6 Fig 1 5 General System Drawing of Radar Type JMA 7725 6 Fig 1 6 General System Drawing of Radar Type JMA 7725 9 Fig 1 7 1 5 General System Diagram ...

Page 34: ...1 11 1 5 Fig 1 5 General System Drawing of Radar Type JMA 7710 6 ...

Page 35: ...1 12 1 5 1 Fig 1 6 General System Drawing of Radar Type JMA 7725 6 ...

Page 36: ...1 13 1 5 Fig 1 7 General System Drawing of Radar Type JMA 7725 9 ...

Page 37: ...gational problems The navigation pattern of all vehicles is considered to be a system consisting of some closed loops irrespective of the media through which vehicles pass such as air water boundary of the both and cosmic space This pattern is considered in general to consist of two closed loops One loop is for avoidance of collision against other vehicles and the other is for finding safe and cor...

Page 38: ...t the same point with other ships In actual practice of maneuvering ships however a closed area should be considered instead of a single point This concept is the CPA Closest Point of Approach To predict a collision it is also necessary to take into account the times that ships take to reach the CPA and these times are called the TCPA Time to CPA which is used to judge dangers of collision Fig 1 9...

Page 39: ...e out sailing parallel running reverse running etc stipulated in the Provision of Collision at Sea Act So when finding a ship which is going to collide against the own ship the user can find what rule is applied and how to maneuver the own ship Fig 1 10 True Vector and Relative Vector Radar and Collision Avoidance Radar is still playing an important role for prevention of collision as well as for ...

Page 40: ...sea stabilized presentation The entire philosophy of Collision Avoidance is based upon knowledge of the heading of other vessels in close quater situations Only the sea stabilized presentation displays the heading of moving targets This presentation provides a good display for Collision Avoidance For selecting the sea stabilization see the subsection 8 5 3 1 Setting Own Ship Speed Equipment ...

Page 41: ...2 1 Names and Functions of Control Panel 2 1 2 2 Menu Composition 2 13 2 NAMES AND FUNCTIONS OF CONTROL PANEL SWITCHES AND MENU COMPOSITION ...

Page 42: ...ons of Control Panel CAUTION Do not put anythig on the touch panel Deforming may occur if a hot object is placed on it Do not apply a strong shock to the touch panel track ball and controls otherwise they may get out of order ...

Page 43: ...RAILS ALARM ACK OWN TRK OFF CENT F EBL MARK MENU 4 5 6 0 AZI MODE 7 8 9 ENT GAIN AUTO TUNE AUTO AUTO SEA RAIN HL OFF RANGE TX STBY ACQ TGT CNCL 45 16 5 4 39 34 47 2 30 42 14 17 31 32 1 35 36 38 33 15 37 7 6 9 23 8 12 26 25 24 46 20 13 40 41 43 44 19 18 22 52 21 53 27 28 29 3 49 51 50 PWR 11 10 COLOR BRILL 48 JMA 7700 SERIES RASTER SCAN RADAR RR Display Control Panel ...

Page 44: ...adar i RAIN control Decreases clutter videos due to rain or snow o SEA control Decreases clutter videos due to reflection from the sea surface 0 BRILL control Adjusts the brilliance of the display 1 COLOR control Sets the color for the own and other ship tracks marks and lines 7 colors white sky blue green yellow pink and red 2 FUNC key Selects the pre set video processing 3 GZ MENU key Displays t...

Page 45: ...able range scale 1 or 2 5 VRM OFF key Selects turning on or off of the display of variable range scale 1 or 2 6 VRM control Changes the variable range scale size When the parallel index lines is displayed the parallel line interval is changed 7 EBL1 EBL2 key Selects the display of EBL1 EBL2 or the parallel index lines 8 EBL OFF key Selects turning on or off of the display of EBL1 EBL2 or the paral...

Page 46: ...um and long 8 VECT TRK key Switches the vector display between true and relative 9 TGT CNCL key Cancels the target symbol and vector which are being tracked by the EPA or ATA and stops the tracking 0 reverse key Turns the cursor display on and off and fixes it Used for the numerical data display in the EPA or ATA 1 OWN TRK key Enables the COLOR control to set the own ship track color Opens the men...

Page 47: ...inserted here to display the chart The RAM card is inserted here to plays back the data stored inside 9 TUNE key Turns automatic tuning on and off 0 RAIN key Turns auto rain snow reflection restraint on and off 1 SEA key Turns auto sea surface reflection restraint on and off 2 PWR switch Turns the radar on and off 3 DEGAUSS key Degausses the display ...

Page 48: ...2 7 2 1 Screen Readouts 3 1 2 3 4 5 7 u i o y 1 0 q 2 t w e r 0 8 4 5 6 7 8 9 0 9 6 ...

Page 49: ...ence rejection 3 2 9 Rejecting Radar Interference 4 Set 8 5 3 4 Setting Drift 5 Drift 8 5 3 4 Setting Drift 6 Video processing 3 3 20 Displaying Video Processing Screen 7 Radar track Trails 3 3 10 Displaying Other Ship s Trails TRAILS 8 Auto FTC or Auto STC 3 2 4 Suppressing Sea Clutter SEA 9 Day night display 3 2 7 Selecting DAY NIGHT Modes DAY NIGHT 0 Function name 3 4 Using Function Key FUNC 1 ...

Page 50: ...2 9 2 1 Screen Readouts with ATA 3 1 2 3 4 5 7 u i o y 1 0 q 2 t w e r 8 4 5 6 7 8 9 0 9 6 ...

Page 51: ... display 3 3 16 Enhancing Target 3 Radar interference rejection 3 2 9 Rejecting Radar Interference 4 Set 8 5 3 4 Setting Drift 5 Drift 8 5 3 4 Setting Drift 6 Video processing 3 3 20 Displaying Video Processing Screen 7 Radar track Trails 3 3 10 Displaying Other Ship s Trails TRAILS 8 Auto FTC or Auto STC 3 2 4 Suppressing Sea Clutter SEA 9 Day night display 3 2 7 Selecting DAY NIGHT Modes DAY NIG...

Page 52: ...2 11 2 1 Screen Readouts With Plotter Option and ATA R P Mode 3 1 2 3 4 5 7 u i o 1 2 0 q 2 t y w e r 8 0 1 4 5 6 7 8 9 0 9 6 ...

Page 53: ...t 3 Radar interference rejection 3 2 9 Rejecting Radar Interference 4 Set 8 5 3 4 Setting Drift 5 Drift 8 5 3 4 Setting Drift 6 Video processing 3 3 20 Displaying Video Processing Screen 7 Radar track Trails 3 3 10 Displaying Other Ship s Trails TRAILS 8 Auto FTC or Auto STC 3 2 4 Suppressing Sea Clutter SEA 9 Day night display 3 2 7 Selecting DAY NIGHT Modes DAY NIGHT 0 Function name 3 4 Using Fu...

Page 54: ...n 1 to select it and press the ENT key The underlined setting indicates the current one The display is highlighted when selected Pressing the ENT key confirms the setting 3 In order to change the numerical part in the item press the same key used in 1 enter an appropriate value using the numeric key and press the ENT When numeral value input is enabled the input part is displayed in a box Note Pre...

Page 55: ...MEM INTERVAL 3 OWN TRACK MEMORY RADAR ALARM 1 FUNCTION 2 RADAR ALARM MODE 3 RADAR SECTOR ZONE 4 RADAR SENSITIVITY LEVEL 5 AUDIBLE RADAR ALARM RADAR ALARM 1 FUNCTION 2 AUDIBLE ATA ALARM 3 ATA SECTOR ZONE AUTO ACQ Without the ATA function With the ATA function Optional Note When items are shown on more than one pages PREV and NEXT will be displayed on the upper right corner of the screen In this cas...

Page 56: ...R VIDEO 1 VIDEO LATITUDE 2 VIDEO NOISE REJECTION 3 AUTO DR CONT 4 PROCESS SWITCHING 5 PROC SWITCH RANGE RADAR TRAILS 1 RADAR TRAILS INTERVAL 2 RADAR TRAILS REF LEVEL 3 RADAR TRAILS REDUCTION 4 RADAR TRAILS PROCESS 5 RADAR TRAILS SMOOTHING BACK GROUND 1 RADAR AREA 2 OUTSIDE OF RADAR AREA CURSOR 1 CURSOR LENGTH 2 FIXED CURSOR EPA 1 VECTOR TIME 2 PLOT NUMBER 3 LIMITS 4 AUDIBLE WARNING 5 DISPLAY OF CP...

Page 57: ...FILL LAND AREA 2 ERC DISP REQUEST CONTOUR 1 10M 2 20M 3 30M 4 40M 5 50M 6 60M 7 70M 8 80M 9 OTHER CLEAR NAV INFO 1 CLEAR MARK COLOR TYPE ATA TEST 1 TEST VIDEO 2 VECTOR CONST 3 VIDEO TD LEVEL 4 VIDEO HIGH LEVEL 5 VIDEO LOW LEVEL 6 GATE SIZE 7 ATA NOISE LEVEL 8 ATA FTC LEVEL CHART DISPLAY 1 C MAP MENU 2 JRC ERC CARD MENU 3 CONTOUR OF JRC CARD MENU 4 NAV INFORMATION DISP NAV INFO 1 DISP WPT 2 DISP WP...

Page 58: ...GHT 5 FIX MODE 6 DOP LEVEL 7 POSN AVERAGE 8 SEND DATA 9 SETTING DGPS DGPS STATUS 0 PREVIOUS MENU 1 MODE 2 FREQUENCY 3 BAUD RATE BPS 4 SET DATA 5 SEND DATA 6 7 8 9 SET FUNC x 2 1 PULSE WIDTH 0 75NM 2 PULSE WIDTH 1 5NM 3 PULSE WIDTH 3NM 4 PULSE WIDTH 6NM 5 PULSE WIDTH 12NM SET FUNC x 5 1 PROCESS SWITCHING 2 PROC SWITCH RANGE 3 4 5 6 INITIALIZE m INIT SET 2 1 BEARING ADJUSTMENT 2 RANGE ADJUSTMENT 3 T...

Page 59: ...ER RESET 6 INTERNAL SETTING to CARD 2 7 CARD 2 to INTERNAL SETTING 8 MEMOLIZE USER SETTING 9 RESTORE USER SETTING DIAGNOSTIC 1 1 SENSOR TEST 2 LINE TEST 3 ATA STATUS 4 ROM VERSION 5 ERROR LOGGING MAG I RUNNING TIME TX TIME MEMORY TEST 0 PREVIOUS MENU 1 SRAM 2 GRAPHIC RAM 3 FLASH ROM 4 ATA COMMON RAM 5 CARD 1 6 CARD 2 KEY SWITCH TEST 0 PREVIOS MENU KEY TRACK BALL VOLUME SHAFT ENCODER ROTARY SWITCH ...

Page 60: ...HEDULED ROUTE 5 ROUTE SEQUENCE 6 WPT SWITCH MODE 7 WPT SKIP BACK SKIP MENU 8 SETTINGWPT CANCELLATIONWPT WPT SETTING 0 PREVIOUS MENU 1 WAYPOINT ENTRY 2 WAYPOINT INPUT DISPLAY DELETE OR TRACK MARK IN DISTINCTION COLOR 0 PREVIOUS MENU 1 DISP OWN TRK COLOR 2 DISP MARK COLOR TYPE 3 CLEAR OWN TRK COLOR 4 CLEAR MARK COLOR TYPE 5 6 7 8 9 CLEAR MEMORY INITIALIZE CARD 0 PREVIOUS MENU 1 CLEAR MARK LINE DATA ...

Page 61: ...Operation 3 1 3 2 Preparation 3 5 3 3 Basic Operation 3 15 3 4 Using Function Key FUNC 3 62 3 5 Displaying the Chart 3 75 3 6 Displaying Own Ship Track 3 79 3 7 Displaying Navigation Information 3 89 BASIC OPERATION ...

Page 62: ...tion is explained on the following pages Tuning Data acquisition and measurement Observation and video adjustment Ending operation and stopping the system Turning power on and starting the system 3 1 Flow of Operation ...

Page 63: ...it as it is for 20 to 30 minutes before setting it to the transmit mode When turning power on after power was once turned off wait 5 min or more after setting the power switch to OFF until setting it to ON again Insufficient warming up may cause sparks inside the magnetron and may make its oscillation unstable Start the transmitting mode with the short pulse range and then go on to the long pulse ...

Page 64: ...ures 1 Press the RANGE key to select any range between 6 and 96 120 nautical miles Press the minus side of the RANGE key to decrease the range Press the plus side of the RANGE key to increase the range 2 Turn the AUTO TUNE control Adjust the video for best presentation If radar display doesn t show a weak target adjust the control until the turning bar on the lower left of the screen indicates the...

Page 65: ...ent 3 1 6 Ending Operation and Stopping the System To stop transmission Procedures Press the TX STBY switch This stops radar transmission and scanner unit rotation TX on the upper left of the screen changes to STBY Keep the system in the standby mode if it is expected to be reset to the transmit mode soon This enables the user to select the transmit mode again simply by pressing the TX STBY switch...

Page 66: ...the control again 10 minutes later 3 2 2 Adjusting Sensitivity GAIN GAIN This control is used to adjust the receiving sensitivity of the radar Turning it clockwise increases the sensitivity and expands the radar picture observation range Excessive gain however increases receiver noises on the screen and could make target detection more difficult When sighting targets densely located on the screen ...

Page 67: ...1 Adjust the AUTO SEA so that the target is displayed most clearly 2 Press the AUTO SEA control Select auto suppressing sea clutter mode then STC AUTO appears on upper right of the screen Turn the control again when the target is not displayed most clearly Exit 3 Press the AUTO SEA control again STC AUTO disappears on the upper right of the screen changes to manual mode Note Auto suppressing sea c...

Page 68: ...rol Keep the knob at its leftist position for normal operation To use Auto Suppressing Rain and Snow Clutter mode Procedures 1 Press the AUTO RAIN control Select auto suppressing rain and snow clutter mode and FTC AUTO appears on the upper right of the screen Turn the AUTO RAIN control when the target is not displayed most clearly Exit 2 Press the AUTO RAIN control again FTC AUTO disappears on the...

Page 69: ...TA BRILL Adjusts brilliance of the letters outside the fixed bearing range of the cursor inside the fixed bearing range of the HL of the mark line of the own ship track of the other ship track and of the coast line Note The red and white marks lines and tracks change by 3 ATA BRILL By brilliance adjustment of radar videos only the gamma correction value changes and the maximum brilliance remains u...

Page 70: ...DAY NIGHT key DAY NIGHT DAY NIGHT DAY NIGHT DAY NIGHT The brilliance set at the time of selecting each mode is stored For adjusting brilliance refer to subsection 3 2 6 Adjusting Brilliance Pressing this key changes the mode from DAY1 to DAY2 NIGHT1 to NIGHT2 in this order ...

Page 71: ...ck Sky blue outside of PPI TARGET COLOR Yellow Green Orange RADAR TRAILS COLOR Sky blue White Green Screen display colors can be set and stored independently in each screen color arrangement mode Recommended setting Reduce the brilliance other than radar videos during nighttime to reduce glare Daytime setting Nighttime setting Brilliance of Maximum brilliance of Reduce the brilliance of each eleme...

Page 72: ...he color for DAY2 and press the ENT key Select the colors for NIGHT1 and 2 in the same way 5 Press the 2 key to select the background color outside the bearing scale Two colors including black are available Press the 2 key to select the color for DAY1 and press the ENT key Press the 2 key again to select the color for DAY2 and press the ENT key Select the colors for NIGHT1 and 2 in the same way 6 ...

Page 73: ...o select the color for DAY2 and press the ENT key Select the colors for NIGHT1 and 2 in the same way 6 Press the 2 key to select RADAR TRAILS COLOR Three colors sky white and green are available Press the 2 key to select the color for DAY1 and press the ENT key Press the 2 key again to select the color for DAY2 and press the ENT key Select the colors for NIGHT1 and 2 in the same way Exit 7 Press t...

Page 74: ...ference rejection circuit operation IR3 is most effective for the radar interference 4 Press the ENT key Exit 5 Press the MAIN MENU key Main menu 1 RADAR TRACK BRILL DAY1 2 RR VRM EBL BRILL DAY1 3 ATA BRILL DAY1 4 GRAPHIC DATA BRILL DAY1 5 PROCESS OFF PROC1 PROC2 PROC3 6 IR OFF IR1 IR2 IR3 7 FLOATING EBL OFF ON 8 VECTOR TRUE RELATIVE 9 GRAPHIC DATA DISP OFF 3 2 10 Adjusting Control Panel Brillianc...

Page 75: ... a good display for collision Avoidance For the sea stabilization select MANUAL LOG or 2AXIS WT on subsection 8 5 3 1 Setting Own Ship Speed Equipment Ground Stabilization Ground stabilization gives correct course and speed over the ground Course Over the Ground COG and Speed Over the Ground SOG are for information only The display can be ground stabilized by input from a position fixing equipment...

Page 76: ... of the screen read the distance and the bearing of the cursor The operator is recommended to get accustomed to designate positions by using the trackball before operation Note When the mode of fixed cursor is selected the cursor is fixed in the direction of the axis selected on the menu See subsection 3 3 17 Setting Cross Cursor Length and Fixing Cursor Position 3 3 2 Using EBL Electronic Cursor ...

Page 77: ...wn ship to outer edge of radar display EBL1 rotates in the same direction as the EBL control EBL2 EBL2 is displayed as a line originating from own ship to outer edge of radar display EBL2 rotates in the same direction as the EBL control When EBL2 is used in the floating EBL mode EBL2 can be used as a floating EBL Motion of Floating EBL EBL2 is displayed as a line originating from the cursor mark a...

Page 78: ...elect EBL BEARING 4 Press the 2 key to select TRUE or RELATIVE and press the ENT key Selecting RELATIVE displays R and selecting TRUE displays T in the EBL bearing column on the lower left of the screen Exit 5 Press the SUB MENU key Radar 2 1 GYRO 0 0 2 EBL BEARING TRUE RELATIVE 3 PARALLEL INDEX LINE OFF ON 4 5 CURSOR MENU 6 STERN FLASH OFF ON 7 KM NM VRM1 KM NM 8 KM NM VRM2 KM NM RADAR 2 0 PREV ...

Page 79: ...is any of 0 75 1 5 3 6 and 12 nm The current pulse width is displayed like MP on the lower left of the screen Using the short range increases target resolution and decreases clutter returns Using the long pulse increases target reception and decreases clutter returns although target resolution also decreases 3 3 5 Disabling Ship s Head Marker HL OFF HL OFF The heading line HL showing the course of...

Page 80: ... Press the 3 key to select ON and press the ENT key The parallel lines appear on the screen EBL2 changes to them Exit 5 Press the SUB MENU key Cancellation Press the 3 key in PARALLEL INDEX LINE procedure 4 to select OFF and press the ENT key The parallel lines disappear and change to EBL2 Radar 2 1 GYRO XXX X 2 EBL BEARING TRUE RELATIVE 3 PARALLEL INDEX LINE OFF ON 4 5 CURSOR MENU 6 STERN FLASH O...

Page 81: ...and r The angle of the parallel index line is displayed in the EBL2 box on the lower left of the screen The interval of the parallel index line is displayed in the VRM2 box on the lower left of the screen Display of parallel index line EBL VRM Changing parallel index line interval The bearing and interval of the parallel index lines can be changed in the operation mode of EBL2 or VRM2 respectively...

Page 82: ...stable on the radar display and the bearing of the HL changes as the own ship changes its course After the own ship course is changed the new course can be updated by pressing the switch three more times to select the COURSE UP display or pressing the HL OFF key Surrounding targets will not ratate according to the traversing of the own ship NORTH UP North is always at the top of the screen 0 degre...

Page 83: ...ocessing is performed in true motion mode CTM True Motion with Constant Own Ship Position The own ship is fixed on the center and other targets are displayed in relative motion mode A radar trail is true motion display Video processing is performed in true motion mode Note For further information about video processing see subsection 3 3 20 Displaying Video Processing Screen Display of True Motion...

Page 84: ...s performed by true motion accurate video processing is performed and problems in the conventional mode do not occur RM SRM Own ship display Fixed at the center Fixed at the center Other ships display Relative motion display Relative motion display Video processing Relative motion True motion Radar trail Relative motion display Relative motion display Off center Maximum 66 Not possible Plotter com...

Page 85: ...the range scale of 96 and 120nm Procedures 1 Move the cross cursor mark own ship display position to a desired position using the trackball it cannot be moved beyond about 65 of the radar display radius from the center 2 Press the OFF CENT key 3 The own ship position moves to the cross cursor mark and is fixed there HL HL Press the key OFF CENT Cancellation Keep pressing the OFF CENT key for a whi...

Page 86: ...e screen Exit 2 Press the TRAILS key To Change Radar Trail Interval Procedures 1 Press the SUB MENU key to open the SUB MENU 2 Press the 1 key to open the RADAR 1 menu 3 Press the 3 key to open the RADAR TRAILS menu 4 Press the 1 key to select RADAR TRAILS INTERVAL 5 Press the 1 key to select the trail interval and press the ENT key Exit 6 Press the SUB MENU key Radar Trails 1 RADAR TRAILS INTERVA...

Page 87: ...playing Fixed Range Ring RR This key is used to display fixed range rings The brilliance of range rings can be charged by subsection 3 2 6 Adjusting Brilliance Procedures Press the RR key A fixed range ring appears on the screen The interval between rings is displayed on the upper left of the screen Cancellation Press the RR key again The display of the fixed range ring is canceled 3 3 12 Displayi...

Page 88: ...rs the VRM outside a box on the lower left of the screen Pressing it again clears the other VRM Bearing Display of VRM The numerical bearings of VRM1 and VRM2 currently displayed on the PPI is displayed on the lower left of the screen Also VRM1 or VRM2 currently activated is displayed in a box above the range data Motion of VRM Variable range markers are displayed around the own ship Turn the VRM ...

Page 89: ...y whether to use the function for outputting an alarm using the set Guard zone or not Procedures 1 Press the GZ MENU key to open RADAR ALARM menu 2 Press the 1 key to select FUNCTION 3 Press the 1 key to select OFF or RADAR ALARM 4 Press the ENT key to confirm the setting Exit 5 Press the GZ MENU key RADAR ALARM 1 FUNCTION OFF RADAR ALARM 2 RADAR ALARM MODE IN OUT 3 RADAR SECTOR ZONE 4 RADAR SENSI...

Page 90: ...BL2 being set Motion for radar alarm set zone There are two modes namely IN mode in which an alarm goes off when a target enters the set circular radar alarm zone and OUT mode in which an alarm goes off when a target goes out of the zone The radar alarm set zone is displayed only in the radar transmission mode Note that it is not displayed in the standby mode To set the alarm mode Specify whether ...

Page 91: ...the 5 key to select OFF or ON 4 Press the ENT key to confirm the setting Exit 5 Press the GZ MENU key To set the alarm detection level Set the signal level for outputting an alarm Procedures 1 Press the GZ MENU key to open RADAR ALARM menu 2 Press the 4 key to select RADAR SENSITIVITY LEVEL 3 Press the 4 key to select the level between 1 and 4 4 Press the ENT key to confirm the setting Exit 5 Pres...

Page 92: ...the display of error information will be deleted and the alarm sound will stop When there are information of more than one errors press the ALARM ACK key for each of the alarms generated Information of these error is registered to the error logging in subsection 8 1 2 7 Error Logging so it can be checked later There are the following types of error information Type of error Display Azimuth pulse e...

Page 93: ...menu 3 Press the 5 key to select BUZZER VOLUME 4 Press the 5 key to select OFF LOW MIDDLE or HIGH Alarm volume can be set in 3 levels 5 Press the ENT key to confirm the alarm volume Exit 6 Press the SUB MENU key Init set 1 1 2 SPEED EQUIPMENT MANUAL LOG GPS 2AXIS WT 2AXIS BT 3 MANUAL SPEED 0 0KT 4 FUNCTION MENU 5 BUZZER VOLLUME OFF LOW MIDDLE HIGH 6 DRIFT SET 0 0 DRIFT 0 0KT 7 8 INIT SET 1 0 PREV ...

Page 94: ... Note that the screen may be filled with emphasized noise if Video PROC2 is used concurrently EXP2 Expands the target display size to the vertical and horizontal directions Can be used regardless of the Video processing Use this mode when the sea clutter is strong EXP3 Mode that sets EXP1 and EXP2 concurrently Use this mode for detecting small targets such as radio buoy Procedures 1 Press the SUB ...

Page 95: ... the cross cursor Procedures 1 Press the SUB MENU to open the SUB MENU 2 Press the 2 key to open the RADAR 2 menu 3 Press the 5 key to open the CURSOR menu 4 Press the 1 key to select CURSOR LENGTH 5 Press the 1 key to select SHORT or LONG 6 Press the ENT key to confirm the setting Exit 7 Press the SUB MENU key Cursor 1 CURSOR LENGTH SHORT LONG 2 FIXED CURSOR X Y AXIS X AXIS Y AXIS CURSOR 0 PREV ...

Page 96: ...to select X Y AXES X AXIS or Y AXIS 4 Press the ENT key to confirm the setting Exit 5 Press the SUB MENU key Motion of Fixed Cursor In order to fix the cursor press the key Screen display Pressing the key once fixes the cursor in the direction of the axis selected on the menu Pressing it again clears the numerical display of the cursor position Pressing it again allows the cursor to move freely ...

Page 97: ...the RADAR 2 menu 3 Press the 6 key to select STERN FLASH 4 Press the 6 key to select OFF or ON 5 Press the ENT key to confirm the setting Exit 6 Press the SUB MENU key Radar 2 1 GYRO 0 0 2 EBL BEARING TRUE RELATIVE 3 PARALLEL INDEX LINE OFF ON 4 5 CURSOR MENU 6 STERN FLASH OFF ON 7 KM NM VRM1 KM NM 8 KM NM VRM2 KM NM RADAR 2 0 PREV ...

Page 98: ... to open the RADAR 2 menu 3 Press the 7 key to select KM NM VRM1 In case of VRM2 press the 8 key to select KM NM VRM2 4 Press the 7 key to select KM or NM on VRM1 In case of VRM2 press the 8 key to select KM or NM on VRM2 5 Press the ENT key to confirm the setting Exit 6 Press the SUB MENU key Radar 2 1 GYRO 0 0 2 EBL BEARING TRUE RELATIVE 3 PARALLEL INDEX LINE OFF ON 4 5 CURSOR MENU 6 STERN FLASH...

Page 99: ...3 3 38 3 3 ...

Page 100: ...TM mode high processing precision can be achieved since processing is performed in true motion In RM mode processing precision deteriorates due to the moving or traversing of own ship since processing is performed in relative motion When a target moves at a high speed and PROC1 or PROC2 is used the image may be blurred or disappear In this case set the processing to OFF or use PROC3 Operation char...

Page 101: ...1 RADAR TRACK BRILL DAY1 2 RR VRM EBL BRILL DAY1 3 ATA BRILL DAY1 4 GRAPHIC DATA BRILL DAY1 5 PROCESS OFF PROC1 PROC2 PROC3 6 IR OFF IR1 IR2 IR3 7 FLOATING EBL OFF ON 8 VECTOR TRUE RELATIVE 9 GRAPHIC DATA DISP OFF MAIN MANU ...

Page 102: ...ess the 4 key to select OFF or ON 5 Press the ENT key to confirm the setting 6 Move the cross cursor mark own ship display position to your desired position using the trackball it cannot be moved beyond about 65 of the radar display radius from the center 7 Press the ENT key to zoom display Cancellation 8 Press the minus side of the RANGE key or plus side of the RANGE key Radar 1 1 TARGET EXPANSIO...

Page 103: ...cedures Press the MAP key to select the radar radar plotter or plotter mode The R P radar plotter mode cannot be selected unless both GPS and gyro are installed The available motion modes in R P mode are NUP and CUP only in the TM CTM mode The plotter mode cannot be selected unless the plotter is installed and transmission is stopped ...

Page 104: ...itch to start the first plotting 2 Enter the plot No using a numeric key 0 to 9 3 Press the ENT key to complete the first plotting The acquisition symbol and the plot No are displayed at the plotting position 4 30 seconds to 15 minutes after the first acquisition put the cross cursor mark at the position to which the target has been moved and start the second plotting by following procedures 1 to ...

Page 105: ...ng for modification appears near the mark 4 Put the cross cursor mark at the position to be modified for reacquisition At this time specify the plot No input in procedure 2 ACQ 0 to 9 ENT 3 3 23 3 Deleting Plot This function is used to delete the display of the specified plot The deleted plot cannot be reproduced Procedures 1 Press the TGT DATA key to enable the plot No to be entered 2 Enter the p...

Page 106: ...o be entered 2 Enter the plot No using a numeric key 0 to 9 3 Press the key to display the data of the specified plot The symbol of the target whose data is displayed turns to To delete data display Procedures 1 Press the TGT DATA key 2 Press the key to delete the numerical data Note 1 The vector time and vector mode information are always displayed on the screen Note 2 U is displayed near the mar...

Page 107: ...ion of the previous plotting is displayed Displayed for the plot which has not been updated for 10 minutes The plot is cleared 5 minutes after if not being updated the target which has not been updated for 15 minutes is automatically cleared In this case an alarm for requesting update goes off Used for manually acquiring or clearing targets and specifying them in the numeral display mode Safety ta...

Page 108: ... 8 key to select VECTOR 3 Press the 8 key to select TRUE or RELATIVE 4 Press the ENT key to confirm the setting The vector display changes to the true or relative mode 5 Press the MAIN MENU key or Procedures Press the VECT TRK key to select TRUE or RELATIVE The vector display changes to the true or relative mode Main menu 1 RADAR TRACK BRILL DAY1 2 RR VRM EBL BRILL DAY1 3 ATA BRILL DAY1 4 GRAPHIC ...

Page 109: ...menu 4 Press the 1 key to select VECTOR TIME 5 Press the 1 key to enable the vector time to be entered 6 Enter the vector time 0 to 60 minutes using numeric keys 0 to 9 7 Press the ENT key to confirm the setting Exit 8 Press the SUB MENU key or Procedures Press the VECT or VECT DEST key to increase or decrease the vector time every minute EPA 1 VECTOR TIME 6MIN 0 60 MIN 2 PLOT NUMBER OFF ON 3 LIMI...

Page 110: ... 3 key to open the REDAR 3 menu 3 Press the 3 key to open the EPA menu 4 Press the 2 key to select PLOT NUMBER 5 Press the 2 key to select OFF or ON 6 Press the ENT key to confirm the setting Exit 7 Press the SUB MENU key To display or cleare directly Procedures Keep pressing the TGT DATA key more than 2 seconds EPA 1 VECTOR TIME 6MIN 0 60 MIN 2 PLOT NUMBER OFF ON 3 LIMITS CPA 1NM 0 1 9 9 NM TCPA ...

Page 111: ...enu 3 Press the 3 key to open the EPA menu 4 Press the 3 key to select LIMITS 5 Press the 3 key to enable the CPA data to be entered 6 Enter the CPA data using numeric keys 0 to 9 7 Press the ENT key to confirm the setting The TCPA data becomes enabled to be entered 8 Enter the TCPA data using numeric keys 0 to 9 9 Press the ENT key to confirm the setting Exit 10 Press the SUB MENU key EPA 1 VECTO...

Page 112: ...n be checked at a glance on the screen the operator can easily judge to which target he must pay attention The classification and contents of the alarms are as follows Dangerous Target Alarm Status Symbol on CRT Alarm character Buzzer Conditions CPA MIN CPA Safety target Symbol color Not display OFF 0 TCPA White TCPA MIN TCPA Beeping CPA MIN CPA Dangerous target Symbol color CPA TCPA Red Blinking ...

Page 113: ...ns turned on Procedures 1 Press the SUB MENU key to open the SUB MENU 2 Press the 3 key to open the RADAR 3 menu 3 Press the 3 key to open the EPA menu 4 Press the 4 key to select AUDIBLE WARNING 5 Press the 4 key to select OFF or ON 6 Press the ENT key to confirm the setting Exit 7 Press the SUB MENU key EPA 1 VECTOR TIME 6MIN 0 60 MIN 2 PLOT NUMBER OFF ON 3 LIMITS CPA 1NM 0 1 9 9 NM TCPA 15MIN 1...

Page 114: ...res 1 Press the SUB MENU key to open the SUB MENU 2 Press the 3 key to open the RADAR 3 menu 3 Press the 3 key to open the EPA menu 4 Press the 5 key to select DISPLAY OF CPA RING 5 Press the 5 key to select OFF or ON 6 Press the ENT key to confirm the setting Exit 7 Press the SUB MENU key EPA 1 VECTOR TIME 6MIN 0 60 MIN 2 PLOT NUMBER OFF ON 3 LIMITS CPA 1NM 0 1 9 9 NM TCPA 15MIN 1 99 MIN 4 AUDIBL...

Page 115: ...ree times to open the INIT SET 3 menu 3 Press the 5 key to select DATE TIME 4 Press the 5 key to select OFF UTC or LOCAL and press the ENT key The date and time are displayed on the center bottom of the screen Exit 5 Press the SUB MENU key Init set 3 1 SHIFT COAST LINE 1 SETTING DELETE 2 SHIFT COAST LINE 2 N 0 000 E 0 000 3 LAT LON CORRECTION N 0 000 E 0 000 4 CHART CENTER POSITION N 0 00 000 E 0 ...

Page 116: ...ect the gradation for displaying received signals on a screen 2 VIDEO NOISE REJECTION Eliminates signals that are assumed to be noise and clutter from radar videos 3 AUTOMATIC DR CONTROL AUTO DR CONT Automatically controls video latitude dynamic range when automatic STC or FTC is used 4 PROCESS SWITCHING Set a boundary distance and switch the video processing mode to be used between the inside and...

Page 117: ...3 3 56 3 3 Radar video 1 VIDEO LATITUDE NARROW WIDE 2 VIDEO NOISE REJECTION OFF LEVEL1 LEVEL2 3 AUTO DR CONT OFF ON 4 PROCESS SWITCHING OFF ON 5 PROC SWITCH RANGE 3 0 NM RADAR VIDEO 0 PREV ...

Page 118: ...ive display HUP off center DFF and 24NM range automatically The characters and numerals of Displaying PERFORMANCE MONITOR and P NON will blink for approx 30 sec When the blinking of the character and numeral of P NON has stopped use that numeral for checking the receiving power Further use the maximum distance of the PM pattern at this time for checking the receiving system Exit 6 Pressing the ENT...

Page 119: ...e of relative attenuation d B corresponding to the initial value B recorded on the Information Label e Using calibration curve I obtain the value of relative attenuation d A corresponding to A then d A d B represents the attenuation of the current transmission poser as compared with the initial state r When the attenuation expresses by d A d B has exceeded 10 dB due to the life of the magnetron th...

Page 120: ... the current transmission power is a result of approx 3 5 dB of attenuation Example of checking the transmission system P MON 6 0 Current value A 6 0 Initial value B 8 0 Calibration Curve I Bar indication bar length 22 20 18 16 14 12 10 8 6 4 2 0 dB Relative attenuation value d The measurement precision 0 1 2 4 5 3 6 7 8 A B 10 9 PERF MONITOR INFORMATION LABEL DATE P MON 95 1 20 8 0 d A d B 3 5dB ...

Page 121: ...the PM pattern displayed on the screen the maximum range rmax from the PPI center using VRM w Using calibration curve II decrease in sensitivity corresponding to rmax R rmax then the value of R rmax represents the current decrease in sensitivity of the receiving system Calibration Curve II Maximum range of PM pattern r max 16 14 12 10 8 6 4 2 0 dB Sensitivity reduction R max 12 0 13 14 15 16 17 18...

Page 122: ...r max 5 dB can be obtained from calibration curve II which shows that the sensitivity of the receiving system has lowered by approx 5 dB Example of checking the receiving system 16NM P M FORM ABOUT 14NM P M FORM Calibration Curve II Maximum range of PM pattern r max 16 14 12 10 8 6 4 2 0 dB DECLINE OF SENSITIVITY 12 R 14 R 16 0 13 14 15 16 rAmax rBmax 17 18 NM r PERF MONITOR INFORMATION LABEL DATE...

Page 123: ...the screen 2 Changing a Setting Temporary Change When the setting of the radar signal processing is changed using the MAIN MENU or SUB MENU while one of the functions from Function 1 to Function 4 is called the change is reflected in the operation state temporarily However since the stored contents are not changed the change is cancelled as soon as some other function setting is called When the fu...

Page 124: ...IDTH 6NM SP MP LP 5 PULSE WIDTH 12NM SP MP LP Page 3 1 VIDEO LATITUDE NORMAL WIDE NARROW 2 VIDEO NOISE REJECTION OFF LEVEL1 LEVEL2 3 GAIN OFFSET NUMERIC VALUE 4 XMIT REPETITION FREQUENCY NORMAL HIPOWER ECONOMY 5 SMALL BUOY DETECTION OFF ON 6 AUTO DR CONT OFF ON Page 4 1 RADAR TRAILS INTERVAL 1MIN 3MIN 6MIN 12MIN 15MIN 30MIN 60MIN CONT 2 RADAR TRAILS REF LEVEL LEVEL1 LEVEL2 LEVEL3 LEVEL4 3 RADAR TR...

Page 125: ...ression of rain snow clutter or sea clutter the sensitivity deteriorates slightly CALM Use this mode when there are few rain snow clutters or sea clutter RAIN Use this mode when there are many rain clouds although the sea clutter is low Emphasizes rain snow clutter suppression the sensitivity deteriorates slightly BIRD Use this mode for searching a flock of several tens of sea birds flying low at ...

Page 126: ...arget by emphasizing it Use this processing for detecting small targets hidden by undesired clutter PROC3 Displays unstable targets of low detection probability Use this processing when searching for small targets such as radio buoy in an area free from sea clutter Page 1 3 IR Eliminates the interference by radio waves transmitted by other radar equipment The interference elimination effect increa...

Page 127: ... clutter or sea clutter or a calm day AUTO STC Detects a sea clutter intensity automatically and performs the optimum sea clutter suppression processing The optimum processing effect can be achieved even if the sea clutter intensity varies according to the wind direction Since there is no signal attenuation in the area without sea clutter a land such as an island in which the far range sensitivity...

Page 128: ...splay size to the distance direction Expands also the bearing direction in the center of the screen Effective for searching small targets by using PROC3 Note that the screen may be filled with emphasized noise if PROC2 is used concurrently EXP2 Expands the target display size to the vertical and horizontal directions Can be used regardless of the Video processing Use this mode when the sea clutter...

Page 129: ...ange the pulse width to be stored Normally use MP Use LP to improve the far range sensitivity and SP to improve the clutter suppression performance due to bad sea or weather condition SP The range resolution is higher than that of MP The clutter suppression performance is higher than that of MP The sensitivity is lower than that of MP MP Standard pulse width in the range LP The sensitivity is high...

Page 130: ...eos in analog mode Select LEVEL1 or LEVEL2 when suppressing display of noise and clutter Select LEVEL1 or LEVEL2 when using BLUE as the background color OFF Sets noise elimination to Off and displays all the signal levels Displays images in analog signal mode by floating echoes in the noise LEVEL 1 Completely eliminates signals that are assumed to be undesired clutter noise rain snow Displays sign...

Page 131: ...ENCY Select one of three transmission repetition frequency types The transmission repetition frequency relates to the sensitivity and power consumption life span of magnetron When the transmission repetition frequency is high the sensitivity improves however the power consumption also increases reducing the life span of the magnetron When the transmission repetition frequency is low the power cons...

Page 132: ...C is used At automatic STC this mode expands the dynamic range only for the area with strong sea clutter and reduces the dynamic range for the area without sea clutter enhancing the sensitivity At automatic FTC the mode expands the dynamic range of the area with strong sea clutter and rain snow clutter and reduces the dynamic range of other areas enhancing the sensitivity When automatic FTC is use...

Page 133: ...UCTION Sets radar trails reduction processing The effect of radar trails reduction processing increases as the number increases such as level 1 level 2 level 3 level 4 making the radar trail finer Radar trails reduction processing will not weaken radar videos When radar trails reduction processing is used a high fine line effect can be achieved by setting XMIT REPETITION FREQUENCY to ECONOMY OFF R...

Page 134: ... whether a radar trail is smoothed for display When a radar trail is not continuous the radar trail is smoothed by connecting the disconnected sections when displayed When radar trail smoothing is used the radar trails become slightly thicker Set smoothing to OFF to make the radar trail finer Since smoothing processing is performed at the display stage of a radar trail the radar trail storage data...

Page 135: ...Set a boundary distance and switch the video processing mode between the inside and outside of the boundary Set a boundary distance in this item The boundary distance can be set within the range from 0 1 to 25 5nm in 0 1nm units After a menu is selected the menu screen is cleared and the boundary distance setting screen is displayed Use the VRM control to adjust a distance After determining a dist...

Page 136: ... Card Made by JRC As the shoreline ROM card is inserted into card slot 1 or card slot 2 the shoreline is displayed automatically The shoreline ROM card can be inserted 2 cards into card slot 1 and 2 but the card in card slot 2 has the card in card slot 1 over The shoreline ROM card made by JRC can t be inserted into card slot with ERC card or C MAP card As the card is inserted into card slot the s...

Page 137: ...ayed automatically The ERC card can be inserted 2 cards into card slot 1 and 2 The ERC card can t be inserted into card slot 1 and 2 with JRC card or C MAP card As the card is inserted into card slot the surface of the card is upper side the surface of the CARD INSERT SLOT1 or SLOT2 2 2 No 8 CARD SLOT Upper SLOT1 Lower SLOT2 ...

Page 138: ...RC CARD menu 4 Press the 1 key to select FILL LAND AREA and press the 1 key to select OFF or ON and Press the ENT key to confirm the setting 5 Press the 2 key to select ERC DISP REQUEST and press the 2 key to select OFF or ON and press the ENT key to confirm the setting Exit 6 Press the SUB MENU key JRC CARD 1 FILL LAND AREA OFF ON 2 ERC DISP REQUEST OFF ON JRC CARD 0 PREV ...

Page 139: ... key 0 to 9 and press the ENT key to confirm the setting 6 Press the numeric key 1 to 9 pressed in procedure 4 again the color of the contour number is selected Press the same numeric key 1 to 9 to select color and press the ENT key to confirm the setting 7 By procedure 4 to 6 the depth of contour of JRC card can be selected 8 patterns Exit 8 Press the SUB MENU key CONTOUR 1 10M OFF SKY GRN YEL PN...

Page 140: ...plotter NDB 33 isn t combined the track color can be displayed only sky in R P mode 3 6 2 Selecting Track Storing Interval The range and time for storing the track can be selected from 3 5 10 and 30 seconds 1 3 5 10 30 and 60 minutes and 1 3 5 and 10 nm Up to 20 000 track with mark can be stored Procedures 1 Press the MAP key to select R P radar plotter or plotter mode 2 Press the OWN TRK key to o...

Page 141: ...LETE OWN TRACK RED 2 OWN TRK MEM INTERVAL 3SEC 5SEC 10SEC 30SEC 1MIN 3MIN 5MIN 10MIN 30MIN 60MIN 1NM 3NM 5NM 10NM 3 OWN TRACK MEMORY OFF ON RADAR 4 1 OWN TRK MEM INTERVAL 3SEC 5SEC 10SEC 30SEC 1MIN 3MIN 5MIN 10MIN 30MIN 60MIN 1NM 3NM 5NM 10NM 2 DELETE OWN TRACK RED 3 OWN TRACK MEMORY OFF ON 4 DISP OWN TRACK COLOR ALL WHT SKY BLU GRN YEL PNK RED 5 CLEAR OWN TRACK COLOR ALL WHT SKY BLU GRN YEL PNK R...

Page 142: ...dar plotter or plotter mode 2 Press the OWN TRK key to open the OWN TRACK menu or press the SUB MENU 4 keys to open the RADAR 4 menu 3 Press the 3 key to select OWN TRACK MEMORY or press the 3 key on the RADAR 4 menu to select OWN TRACK MEMORY 4 Press the 3 key to select OFF or ON or press the 3 key on the RADAR 4 menu 5 Press the ENT key to confirm the setting Exit 6 Press the OWN TRK key or pres...

Page 143: ...M 10NM 3 OWN TRACK MEMORY OFF ON RADAR 4 1 OWN TRK MEM INTERVAL 3SEC 5SEC 10SEC 30SEC 1MIN 3MIN 5MIN 10MIN 30MIN 60MIN 1NM 3NM 5NM 10NM 2 DELETE OWN TRACK RED 3 OWN TRACK MEMORY OFF ON 4 DISP OWN TRACK COLOR ALL WHT SKY BLU GRN YEL PNK RED 5 CLEAR OWN TRACK COLOR ALL WHT SKY BLU GRN YEL PNK RED RADAR 4 0 PREV 9 NEXT OWN TRACK 9 NEXT ...

Page 144: ... to open the OWN TRACK menu or press the SUB MENU 4 keys to open the RADAR 4 menu 3 Press the 1 key to select DELETE OWN TRACK or press the 2 key to select DELETE OWN TRACK 4 Turn the COLOR control to select the color 5 Press the ENT key to confirm the setting 6 After the display for confirming deleting appears press the ENT key to delete the track or the CLR key to cancel deleting Exit 7 Press th...

Page 145: ...M 10NM 3 OWN TRACK MEMORY OFF ON RADAR 4 1 OWN TRK MEM INTERVAL 3SEC 5SEC 10SEC 30SEC 1MIN 3MIN 5MIN 10MIN 30MIN 60MIN 1NM 3NM 5NM 10NM 2 DELETE OWN TRACK RED 3 OWN TRACK MEMORY OFF ON 4 DISP OWN TRACK COLOR ALL WHT SKY BLU GRN YEL PNK RED 5 CLEAR OWN TRACK COLOR ALL WHT SKY BLU GRN YEL PNK RED RADAR 4 0 PREV 9 NEXT OWN TRACK 9 NEXT ...

Page 146: ...e SUB MENU 3 Press the 6 key to open the PLOTTER menu or press the 4 key to open the RADAR 4 menu 4 Press the 3 key to open the DISPLAY DELETE OF TRACK MARK IN DISTINCTION COLOR menu 5 Press the 3 key to select CLEAR OWN TRACK COLOR or press the 5 key to select CLEAR OWN TRACK COLOR on the RADAR 4 menu 6 Press the 3 key to select deleting color or press the 5 key on the RADAR 4 menu 7 Press the EN...

Page 147: ...L PNK RED 3 CLEAR OWN TRK COLOR ALL WHT SKY BLU GRN YEL PNK RED 4 CLEAR MARK COLOR TYPE TYPE ALL X Y p o COLOR ALL WHT SKY BLU GEN YEL PNK RED 5 6 7 8 9 To close this menu Press SUB MENU key RADAR 4 1 OWN TRK MEM INTERVAL 3SEC 5SEC 10SEC 30SEC 1MIN 3MIN 5MIN 10MIN 30MIN 60MIN 1NM 3NM 5NM 10NM 2 DELETE OWN TRACK RED 3 OWN TRACK MEMORY OFF ON 4 DISP OWN TRACK COLOR ALL WHT SKY BLU GRN YEL PNK RED 5 ...

Page 148: ... plotter mode 2 Press the SUB MENU key to open the SUB MENU 3 Press the 6 key to open the PLOTTER menu or press the 4 key to open the RADAR 4 menu 4 Press the 3 key to open the DISPLAY DELETE OF TRACK MARK IN DISTINCTION COLOR menu 5 Press the 1 key to select DISP OWN TRK COLOR or press the 4 key to select DISP OWN TRK COLOR on the RADAR 4 menu 6 Press the 1 key to select displayed color or press ...

Page 149: ...L PNK RED 3 CLEAR OWN TRK COLOR ALL WHT SKY BLU GRN YEL PNK RED 4 CLEAR MARK COLOR TYPE TYPE ALL X Y p o COLOR ALL WHT SKY BLU GEN YEL PNK RED 5 6 7 8 9 To close this menu Press SUB MENU key RADAR 4 1 OWN TRK MEM INTERVAL 3SEC 5SEC 10SEC 30SEC 1MIN 3MIN 5MIN 10MIN 30MIN 60MIN 1NM 3NM 5NM 10NM 2 DELETE OWN TRACK RED 3 OWN TRACK MEMORY OFF ON 4 DISP OWN TRACK COLOR ALL WHT SKY BLU GRN YEL PNK RED 5 ...

Page 150: ...AV INFO menu 2 Press the 1 key to select SETTING WPT CANCELLATION WPT 3 Press the 1 or ENT key The menu will disappear and the destination setting screen will be displayed 4 Move the cursor to the destination using the track ball input the destination number by numeral keys and press the ENT key The destination will be displayed by a symbol and number The destination number will not be displayed w...

Page 151: ...ed will be displayed and it cannot be deleted To input comments for the destination Comments can be input using alphabet characters numerals and special characters A total of 20 characters can be input in two lines with each 10 charters per line Input the number of geodetic datum using the first two characters Refer to the list of geodetic data on page 8 37 Input an arbitrary name for identificati...

Page 152: ...ed Further for a space press the ENT key in a position where there is no letter 7 To input for a different destination number repeat procedures 2 to 6 To create a navigation line Procedures 1 Press the MARK MENU key to select the mark key on the screen and then select the color using the COLOR control 2 Move the cursor to the start point of the navigation line and press 9 key Use the destination i...

Page 153: ...R control 2 Move the cursor to the start point of the navigation line and press 9 key Use the destination input on the destination input item for the start point 3 Move the cursor to the next turning point and press the 0 key 4 Repeat procedure 3 5 When the end point is reached press the 0 key and press the 9 key twice A navigation line will be drawn 6 If the cursor is moved to the start point a t...

Page 154: ... mark shape Up to 20 000 marks can be input together with navigation lines Procedures 1 Press the MARK MENU key to select the mark on the screen 2 Move the cursor to the desired position to input the mark 3 Select the color using the COLOR control 4 Select the desired shape of mark by numerical keys 4 to 8 and press the key Pressing the 8 key enters each number in the following sequence p q o p q ...

Page 155: ... in this order to open the DISP NAV INFO menu 2 Press the 1 key to select DISP WPT 3 Press the 1 key to select OFF or ON and press the ENT key The display of destination marks can be set to ON OFF 4 Press the 2 key to select DISP WPT NUMBER COMMENT 5 Press the 2 key to select OFF or ON and press the ENT key The display of destination number comment can be set to ON OFF DISP NAV INFO 1 DISP WPT OFF...

Page 156: ...INFO menu 2 Press the 3 key to select DISP MARK COLOR TYPE 3 Press the 3 key to select the shape and press the ENT key Multiple shapes can be selected The selected mark will be underlined and the marks with the desired shape will be displayed 4 Press the 3 key over again then the reverse display moves to colors so select a color and press the ENT key Multiple colors can be selected When not displa...

Page 157: ... SUB MENU 4 9 4 9 and 9 keys in this order to open the CLEAR NAV INFO menu 2 Press the 1 key to select CLEAR MARK COLOR TYPE 3 Press the 1 key to select the shape and press the ENT key to fix it 4 Press the 1 key over again to select the color and press the ENT key to fix it 5 When the message to confirm the deletion is displayed press the ENT key to delete or press the CLR key to cancel CLEAR NAV...

Page 158: ...on equipment To look at the geodetic datum and the name of navigation information Procedures 1 Press the SUB MENU 4 9 and 4 keys in this order to open the NAV INFO menu 2 Press the 2 key to select WAYPOINT INPUT 3 To select the destination number at the time when navigation information was created press the minus side of the RANGE key or plus side of the RANGE key to select it The first two numera...

Page 159: ...asurement with Trackball 4 1 4 2 Measurement with Fixed Range Rings 4 2 4 3 Measurement with Electronic Cursor and Variable Range Marker 4 3 4 4 Measurement between Two Optional Points of Target 4 4 MEASUREMENT ...

Page 160: ... and bring the cursor mark to a target The range and bearing of the target is displayed on the lower left of the screen The range is the one from the own ship Trackball 90 270 Cursor Target Own ship 4NM 45 0 180 45 0 R 4 000NM Cursor Position Fig 4 1 4 1 Measurement with Trackball ...

Page 161: ... RR key The fixed range rings appear Range is judged from the percentage of target to the fixed range ring spacing The fixed range ring spacing is displayed on the upper left of the screen 4 2 Measurement with Fixed Range Rings ...

Page 162: ...e subsection 3 3 12 Displaying Variable Range Markers VRM1 VRM2 VRM1 on the lower left of the screen is displayed in a box and VRM1 is displayed by a short dashes line on the PPI screen 4 Turn the VRM control to bring VRM1 indicated by a short dashes line to a target The range of VRM1 from the own ship is displayed on the lower left of the screen The range of VRM1 is the one from the own ship to t...

Page 163: ...f FEBL to Point A 5 Turn the EBL control and bring FEBL to the other point Point B See Fig 4 3 6 Press the VRM1 VRM2 key to display VRM1 or VRM2 and to select its motion See subsection 3 3 12 Displaying Variable Range Markers VRM1 VRM2 When VRM1 is selected VRM marker appears on FEBL2 and when VRM2 is selected a circle appears there 7 Turn the VRM control to move the VRM marker on FEBL to Point B ...

Page 164: ......

Page 165: ...splay 5 20 5 7 Erasing an Unnecessary Target 5 23 5 8 Adjusting Intensity 5 24 5 9 Function Check 5 25 5 10 Target Past Track 5 31 5 11 Turning ON and OFF the ATA Display 5 40 5 12 Turning On and OFF the Alarm Sound of Dangerous and Lost Targets 5 41 5 13 Simulation Checking the ATA according to a PseudoTarget 5 42 OPERATIONS OF ATA OPTION ...

Page 166: ...urns or moves very close to land II Echo Intensity and Tracking Function Echo intensity and tracking function are mutually related and if no echo is detected for six scans or more in succession targets may be lost In such a case it is necessary to help detecting targets by increasing radar gain If radar gain is increased too much the radar may detect and track sea clutters and noises as targets an...

Page 167: ...IT distance of safety limit TCPA LIMIT time of safety limit Procedures 1 Press the SUB MENU key to open the SUB MENU 2 Press the 5 key the ATA 1 menu 3 Press the 5 key to select LIMITS 4 Press the 5 key 5 Press the 0 to 9 keys to enter a numeric value 6 Press the ENT key to fix the CPA LIMIT 7 Press the 0 to 9 keys to enter a numeric value 8 Press the ENT key to fix the TCPA LIMIT Exit 9 Press the...

Page 168: ...UB MENU 2 Press the 5 and 9 key to open the ATA 2 menu 3 Press 2 key to select DISPLAY OF CPA RING 4 Press the 2 key and then press the ENT key The CPA ring is set to ON The CPA ring is displayed on the screen To erase the display of the CPA ring press the 2 key and ENT key again Exit 5 Press the SUB MENU key ATA 2 1 AUDIBLE WARNING CPA TCPA OFF ON LOST TARGET OFF ON 2 DISPLAY OF CPA RING OFF ON 3...

Page 169: ...t to SMALL when there are may tergets close together for example within the approaches of a port and the risk of target swap is high ATA TEST 1 TEST VIDEO VDG VDH VDL 2 VECTOR CONST 7 3 VIDEO TD LEVEL 2 4 4 VIDEO HIGH LEVEL 1 8 5 VIDEO LOW LEVEL 6 6 GATE SIZE NORMAL SMALL 7 ATA NOISE LEVEL 220 8 ATA FTC LEVEL 214 Procedures 1 Press the SUB MENU key to open the SUB MENU 2 Press the 5 key to open th...

Page 170: ...key to select ATA ALARM 4 Press the ENT key to set the function When changing the setting of the guard zone set it according to the V Setting the guard zone described on next page Exit 5 Press the GZ MENU key Deactivating automatic acquisition Set OFF or a radar alarm in the operation procedure 3 for deactivating automatic acquisition The automatic acquisition does not function and only the manual...

Page 171: ...ubsection 3 3 12 Displaying Variable Range Markers VRM1 VRM2 ATA ALARM must be selected 2 Press the GZ MENU key to open the RADAR ALARM menu 3 Press 3 key to select ATA SECTOR ZONE 4 When pressing the 3 key or ENT key the menu will disappear and the radar screen will appear 5 Align the EBL1 EBL2 and VRM1 to the position where the guard zone is to be set as shown in the following figure and press t...

Page 172: ...nsmission Note that the guard zone is not displayed at standby 5 1 2 Automatically Set Mode at Activation Table 5 1 lists the mode that is automatically set at activation Table 5 1 Mode Setting at Activation Mode Names Modes to be Initialized Location of Detailed Explanation of Function DISPLAY MODE RM relative motion display subsection 3 3 8 or 5 2 1 5 1 3 Setting a Range Scale The ATA function i...

Page 173: ...RM key to set the motion display mode to either true motion display TM or relative motion display RM However the mode is set to RM at activation 5 2 2 Setting the Bearing Display Mode AZI MODE Press the AZI MODE key to set the bearing display mode 5 2 Display Mode ...

Page 174: ...d zone as a acquisition zone to automatically acquire a target The guard zone is set arbitrarily The target which entered the guard zone is acquired automatically The mark is appended to the acquired target The mark is moved together with the target and a vector is displayed within one minute The target within the guard zone is displayed using the symbol and the target outside the guard zone is di...

Page 175: ...automatically acquired target is not available The automatically acquired target is erased sequentially from the rear one Great advantages are to be able to maintain the manual acquisition function and to automatically acquired a new target thereby eliminating the need for manually acquired it 5 3 3 Setting Deleting a Target Number This function sets deletes a number to from the target which is be...

Page 176: ...lect the true vector display relative vector display using the MAIN MENU key Procedures 1 Press the MAIN MENU key to open the MAIN MENU 2 Press the 8 key to select VECTOR 3 Press the 8 key to select TRUE or RELATIVE and then the ENT key or 1 Press the VECT TRK key Whenever it is pressed TRUE RELATIVE is changed The current vector mode is displayed at the lower right side of the screen T_VECT is di...

Page 177: ...y The relative vector displays the relative relationship with the own ship instead of displaying the true motion of the target In other words the target in which this relative vector faces to the direction of the own ship passes through the CPA ring is dangerous In the relative mode the place where the CPA closest point of approach of the target is located can be known at a glance HL The true vect...

Page 178: ...ition Setting the vector length Procedures 1 Press the SUB MENU key to open the SUB MENU 2 Press the 5 key to open the ATA 1 menu 3 Press the 2 key twice to select VECTOR TIME 4 Press the 0 to 9 keys to set the time of the vector length 5 Press the ENT key The vector time is fixed The time of the vector is displayed on the lower right of the screen Exit 6 Press the SUB MENU key or Procedures 1 Whe...

Page 179: ...14 ATA 1 1 ATA SYMBOL OFF ON TAGET DATA OFF ON 2 VECTOR TIME 5MIN 0 60MIN 3 PAST POSITION OFF ON 4 PAST POSITION TIME 30 SEC 1 MIN 2 MIN 4 MIN 5 LIMITS CPA 5 0NM 0 1 9 9NM TCPA 15MIN 1 99MIN ATA 1 0 PREV 9 NEXT ...

Page 180: ...aying the past position Procedures 1 Press the SUB MENU key to open the SUB MENU 2 Press the 5 key to open the ATA 1 menu 3 Press the 3 key to select PAST POSITION 4 Press the 3 key to select OFF or ON 5 Press the ENT key to set the past position Setting the past position interval 6 Press the 4 key in the procedure 3 for displaying the past position to select PAST POSITION TIME 7 Press the 4 key s...

Page 181: ...t Past positions Changed course Past positions Straight course Safety target Fig 5 1 EXAMPLE OF SCREEN DISPLAY FOR NORTH UP TRUE VECTOR MODE Besides the fixed variable range marker EBL etc are displayed ATA 1 1 ATA SYMBOL OFF ON TAGET DATA OFF ON 2 VECTOR TIME 5MIN 0 60MIN 3 PAST POSITION OFF ON 4 PAST POSITION TIME 30 SEC 1 MIN 2 MIN 4 MIN 5 LIMITS CPA 5 0NM 0 1 9 9NM TCPA 15MIN 1 99MIN ATA 1 0 P...

Page 182: ...An alarm character LOST appears and an alarm sounds No vector is displayed and the symbol blinks An alarm character GZ appears and an alarm sounds The symbol blinks This symbol is used to designate a target when acquiring it by manual erasing it or displaying its numerical data readouts The symbols are displayed only when PAST POSITION is ON The interval can be set to 30 SEC 1 2 or 4 minutes Safet...

Page 183: ...ayed Target Data Target ID TARGET ID of target being displayed True bearing T BRG In units of 1 Range RNG In units of 0 1 NM True course T CSE In units of 1 True speed T SPD In units of 0 1 knot Closes point of approach CPA In units of 0 1 NM Time to closest point of approach TCPA In units of 1 minute For the data reading target the symbol and the ID are displayed to distinguish it from other targ...

Page 184: ...ed target are displayed at the lower right side of the screen a symbol is changed to and the target ID is displayed near the symbol Subsequently they are continuously displayed until the target is lost and a vector disappears or another target is specified A is displayed for the target without its number Besides when specifying the target which is being initially acquired target to which the mark ...

Page 185: ...safety target and dangerous target The degree of danger can be easily recognized at a glance of the screen So the operator can easily judge which ship he should pay special attention to Types of target and alarm are as follows Dangerous Target Alarm Status Symbol on CRT Alarm character Buzzer Conditions CPA MIN CPA Safety target Symbol color Not displayed OFF 0 TCPA White TCPA MIN TCPA Beep CPA MI...

Page 186: ... The guard zone function sets a ring at a certain distance and issues an alarm when the target was invaded into this ring HL Guard zone For the setting method of the guard zone refer to subsection 5 1 1 V Setting the guard zone Guard Zone Alarm Status Symbol on CRT Alarm character Buzzer Conditions GZ Intermittent Guard zone alarm beep Blinking Red character Resettable When pressing the ALARM ACK ...

Page 187: ...hen any of the alarms in subsections 5 6 1 to 5 6 3 is generated the corresponding alarm information will be displayed in the lower right corner of the screen When multiple alarms are generated their information will be displayed in turn at intervals of 1 sec When the ALARM ACK key is pressed the alarms to that the highest priority order is given will be selected and their alarm information will b...

Page 188: ...ector and symbol disappear and only the radar image remains Specifying and erasing a target number Procedures 1 Press the TGT DATA key 2 Press the 0 to 9 keys to specify a target number 3 Press the TGT CNCL key The vector and symbol of the specified target disappear and only the radar image remains 5 7 2 Erasing All Targets When erasing all targets the tracking of all the targets must be stopped a...

Page 189: ...hown in the following stages These preset types of intensity are stored according to the DAY NIGHT mode MAIN MENU 1 RADAR TRAIL BRILL DAY1 2 RR VRM EBL BRILL DAY1 3 ATA BRILL DAY1 4 GRAPHIC DATA BRILL DAY1 5 PROCESS OFF PROC1 PROC2 PROC3 6 IR OFF IR1 IR2 IR3 7 FLOATING EBL OFF ON 8 VECTOR TRUE RELATIVE 9 GRAPHIC DATA DISP OFF 5 8 Adjusting Intensity MAIN MANU ...

Page 190: ...UB MENU 2 Press the 5 key to open the ATA 1 menu 3 Press the 9 key to open the ATA 2 menu 4 Press the 3 key to open the ATA TEST menu 5 Press the 2 key twice to select VECTOR CONST 6 When changing the vector constant use the data entry key to enter the value to be changed and fix this setting using the ENT key Exit 7 Press the SUB MENU key ATA TEST 1 TEST VIDEO VDG VDH VDL 2 VECTOR CONST 7 3 VIDEO...

Page 191: ...s the setting value is smaller a weaker echo is acquired If the setting is too small the echo is acquired even due to the sea clutter returns In that case increase the setting value Procedures 1 Set RANGE 3 NM TUNE Optimum GAIN Maximum SEA CLUTTER Optimum RAIN CLUTTER Optimum 2 Press the SUB MENU key to open the SUB MENU 3 Press the 5 key to open the ATA 1 menu 4 Press the 9 key to open the ATA 2 ...

Page 192: ...ation procedure as an appropriate video level so that the test video cannot be issued due to noise For example when the video level is 20 set 20 4 24 as an optimum video level Exit 8 Press the SUB MENU key Noise Noise Target Target Test videos VDG caused by sea clutter or noise appear Test videos are seen only far away from targets ATA TEST 1 TEST VIDEO VDG VDH VDL 2 VECTOR CONST 7 3 VIDEO TD LEVE...

Page 193: ...ys to enter the value of the video level and press the ENT key to fix this setting Exit 3 Press the SUB MENU key Setting the video LOW level The video LOW level is a signal level used for tracking a target in the far distance When a weak target in the far distance is difficult to track decrease the setting value When the level is increased exceedingly the noise is tracked Procedures 1 Press the 5 ...

Page 194: ...en the ATA 2 menu 5 Press the 3 key to open the ATA TEST menu 6 Press the 1 key to select TEST VIDEO 7 Press the 1 key and then press the ENT key to select VDH Confirm that the test video is displayed on the PPI screen at 0 1 mile far in the distance direction from the actual image and a target is tracked When the test video is not displayed and the target is tracked the setting of the video level...

Page 195: ... 9 5 30 ATA TEST 1 TEST VIDEO VDG VDH VDL 2 VECTOR CONST 7 3 VIDEO TD LEVEL 2 4 4 VIDEO HIGH LEVEL 1 8 5 VIDEO LOW LEVEL 6 6 GATE SIZE NORMAL SMALL 7 ATA NOISE LEVEL 220 8 ATA FTC LEVEL 214 ATA TEST 0 PREV ...

Page 196: ... ship s track number is set so that target past track can be displayed 5 10 1 Setting Target Past Track Function Setting this function to ON stores and displays up to 10 target past tracks Setting it to OFF does not store and display target past track If target past track is not erased this function holds the storage of target past track even while it is set to OFF Procedures 1 Press the SUB MENU ...

Page 197: ... released the tracking of a target is continued Specifying target past track Procedures 1 Press the TGT DATA key 2 Press the 0 to 9 keys to enter target past track ID 3 Align the cursor to the target being tracked for which target past track is not displayed and press the ENT key Releasing target past track Procedures 1 Press the TGT DATA key 2 Align the cursor to the target being tracked for whic...

Page 198: ...ey to open the ATA TRACK menu 3 Press the 2 key to select TRACK COLOR 4 Press the 2 key to select target past track number 5 Turn the COLOR control to select a color 6 Press the ENT key to fix this setting The color of target past track with the specified target past track number is switched to a new setting Exit 7 Press the SUB MENU key to close the ATA TRACK menu ATA TRACK 1 TRACK FUNCTION OFF O...

Page 199: ...open the SUB MENU 2 Press the 7 key to open the ATA TRACK menu 3 Press the 4 key several times to select TRK DISPLAY 4 Press the 4 key to select target past track number 5 Press the ENT key for fix this setting The display non display of target past track with the specified target past track number is switched The item indicated by an underline is displayed Exit 6 Press the SUB MENU key to close t...

Page 200: ...NU key to open the SUB MENU 2 Press the 7 key to open the ATA TRACK menu 3 Press the 5 key to select TRK MEM INTERVAL 4 Press the 5 key to select an interval 5 Press the ENT key to fix this setting Exit 6 Press the SUB MENU key to close the ATA TRACK menu ATA TRACK 1 TRACK FUNCTION OFF ON 2 TRACK COLOR ALL 0 1 2 3 4 5 6 7 8 9 OTHER WHT SKY BLU GRN YEL PNK RED WHT WHT WHT WHT 3 4 TRK DISPLAY ALL 0 ...

Page 201: ...to open the CLR TRACK menu 4 Press the 1 key to select CLEAR TRACK COLOR 5 Press the 1 key to select target past track color 6 When pressing the ENT key the confirmation display of erase will appear 7 Press the ENT key to erase the storage of target past track Exit 8 Press the SUB MENU key to close the CLR TRACK menu Canceling erase Press the CLR key instead of the ENT key in the operation procedu...

Page 202: ...n the CLR TRACK menu 4 Press the 2 key to select CLEAR TRACK NUMBER 5 Press the 2 key to select the confirmation display of erase 6 When pressing the ENT key the confirmation display of erase will appear 7 Press the ENT key to erase the storage of target past track Exit 8 Press the SUB MENU key to close the CLR TRACK menu Canceling erase Press the CLR key instead of the ENT key in the operation pr...

Page 203: ...o open the CLR TRACK menu 4 Press the 3 key to select CARD 2 TRACK DISP 5 When pressing the 3 key input of a file number is enabled 6 Press the 0 to 9 keys to enter a file number 7 Press the ENT key to fix this setting The track with the specified file number is displayed Exit 8 Press the SUB MENU key close the CLR TRACK menu CLR TRACK 1 CLEAR TRACK COLOR ALL WHT SKY BLU GRN YEL PNK RED 2 CLEAR TR...

Page 204: ...the SUB MENU key to open the SUB MENU 2 Press the 6 key to open the PLOTTER menu 3 Press the 5 key to select MEM CAPACITY COPY MEM MENU 4 Insert the memory card to the slot of card 2 5 Press the 2 key twice to select COPY INSIDE Card 2 6 Press the 0 to 9 keys to enter a 4 digit file number 7 Press the ENT key 8 For writing confirmation press the ENT key to execute writing To stop writing press the...

Page 205: ...rding the ATA symbol 5 Press the ENT key to fix this setting 6 Press the 1 key to select the display OFF or ON regarding target data 7 Press the ENT key to fix this setting Exit 8 Press the SUB MENU key Note The vector time and vector mode information are always displayed on the screen ATA 1 1 ATA SYMBOL OFF ON TAGET DATA OFF ON 2 VECTOR TIME 5MIN 0 60MIN 3 PAST POSITION OFF ON 4 PAST POSITION TIM...

Page 206: ...key to select AUDIBLE WARNING 5 Press the 1 key to select the display OFF or ON of an AUDIBLE WARNING regarding a dangerous target 6 Press the ENT key to fix this setting 7 Press the 1 key to select the display OFF or ON of an AUDIBLE WARNING regarding a lost target 8 Press the ENT key to fix this setting Exit 9 Press the SUB MENU key ATA 2 1 AUDIBLE WARNING CPA TCPA OFF ON LOST TARGET OFF ON 2 DI...

Page 207: ... the ENT key to fix this setting The radar image will disappear a pseudo target is displayed in the zero degree direction and the XX character will appear under the screen Exit 8 Press the SUB MENU key A target is displayed in 3 miles for STOP 4 miles for NEAR and 2 miles for FAR Selecting OFF returns to the normal radar image ATA 2 1 AUDIBLE WARNING CPA TCPA OFF ON LOST TARGET OFF ON 2 DISPLAY OF...

Page 208: ......

Page 209: ...6 6 1 Radar Line of sight Range 6 1 6 2 Strength of Reflection from Target 6 3 6 3 Sea Clutters 6 3 6 4 False Echoes 6 3 6 5 Display of Radar Transponder 6 6 TRUE AND FALSE ECHOES ON DISPLAY ...

Page 210: ...he chart to take distances to and bearings of land and island and to observe positions and motions of targets appeared on the screen in heavy rain Explanations on radar screen will follow hereunder 6 1 Radar Line of sight Range Radar wave has the characteristic to propagate along the curved surface of the earth This characteristic varies with the character of air layer through which the wave propa...

Page 211: ... have to be 660m or more b When the height of a target is 10m the radar line of sight range is 15nm But the maximum radar range varies with size of target and weather condition and the range may increase or decrease Height of radar scanner Line of sight range Height of target 5 0 10 10 20 30 40 50 60 70 700 660 600 500 400 300 200 100 50 25 10 0 h1 m D nm h2 m 0 20 30 6 1 ...

Page 212: ... 6 3 6 3 Sea Clutters When the sea is rough a bright and wide picture appears in the center of the screen The higher the waves are the stronger echo returns Swirling current is sometimes displayed as smooth as coastal line 6 4 False Echoes Pictures of targets which do not exist actually may bother the observer sometimes The following are supposed to be causes of such false echoes I Shadow Effect W...

Page 213: ...ection from the target and the indirect echo is caused by secondary reflection from mast or funnel as shown in Fig 6 5 The indirect echo appears in the direction of the mast or funnel Direct radio wave path Radar scanner Funnel Radio wave path affected by secondary reflection True echo Indirect echo caused by secondary reflection from funnel Fig 6 5 IV Indirect Echo by Multiple Reflection When the...

Page 214: ...een the true distance of the target is 5 52 57nm When the radar has been set to the range of 1 5 nm short pulse or medium pulse with the repetition pulse of 2080Hz a false echo may appear at a place about 39nm shorter than the actual distance This kind of false echo can be judged in observing distance changes of echoes by changing the range scale the repetition frequency When those false echoes al...

Page 215: ...O SEA OFF r TUNE DETUNED to reduce the clutter t IR Set IR OFF y PROCESS Set PROCESS OFF Position of the Rescue Craft Land Position of SART SART Code Other Ships 6 5 When above settings q to y are made to display SART signals objects around the own ship will not appear on the radar screen so perform thorough visual monitoring of the sea area around the own ship to avoid any collision or stranding ...

Page 216: ......

Page 217: ...7 7 1 Routine Maintenance 7 1 7 2 Maintenance of Each Unit 7 2 MAINTENANCE ...

Page 218: ... with a clean dry cloth Maintenance as described below is required for keeping the radar in a good condition Since appropriate maintenance reduces failure it is recommended to maintain the radar regularly 7 1 1 Cleaning 7 1 1 1 Cleaning of the Radar Clear the radar body of dust soil or seawater as much as possible with a dry cloth In particular completely clean the air duct using a brush so as to ...

Page 219: ...loroethylene or ketone for cleaning otherwise the radiant plane will be deteriorated 2 Scanner Unit Mechanism 1 Oiling to Gear Apply grease evenly to the main shaft driving gear and the encoder driving gear by using a spreader or brush Greasing at short intervals is effective to prevent gears from wear and to extend the service life Make it a rule to grease them every six months at least Use Mobil...

Page 220: ...7 3 7 2 Safety switch Fig 7 1 NKE 1055 Scanner unit Rear Safety switch Fig 7 2 NKE 1056 Scanner unit Rear ...

Page 221: ... wipe it with a soft cloth flannel or cotton wetted with water Do not wipe it strongly with a dry cloth nor use gasoline or thinner CAUTION When cleaning the CRT do not wipe it strongly with a dry cloth nor use gasoline or thinner otherwise it will be damaged or deteriorated Spring Carbon brush Contact surface with commutator Notch replace it when it has worn to this point ...

Page 222: ......

Page 223: ...8 1 Function Check 8 1 8 2 Failure Check 8 8 8 3 Troubleshooting 8 10 8 4 Replacement of Major Parts 8 14 8 5 Adjustment and Setting 8 19 8 COUNTERMEASURES FOR TROUBLE AND ADJUSTMENT ...

Page 224: ...nction Check List Equipment to be Check item Criteria Remark checked Scanner Receiver s tuning LED The LED is on during operation 48 nm range Pictures on the screen Sensitivity Brilliance of CRT Can be controlled correctly Display unit Various markers Various numerical indications Illumination Magnetron current Refer to subsection 8 1 2 8 8 1 2 Testing Functions with Menu This radar enables to ope...

Page 225: ...IC 2 menu 4 Press the 1 key to select MEMORY TEST 5 Press the 1 to 6 keys to start checking OK appears on the normally operated items Exit 6 Press the SUB MENU key Memory Test MEMORY TEST 0 PREVIOUS MENU 1 SRAM OK 2 GRAPHIC RAM 3 FLASH ROM OK 4 ATA COMMON RAM OK 5 CARD 1 OK 6 CARD 2 OK To close this menu press SUB MENU key GRAPHIC RAM G0 OK G1 OK G1 OK G2 OK G3 OK G4 OK G5 OK G5 OK G6 OK G7 OK G7 ...

Page 226: ... to the menu item to check them They normally operate if the numeral displays change 255 is displayed when the control is turned to the maximum and 0 when to the minimum 4 Press the 0 key Exit 5 Press the SUB MENU key Key Switch Test KEY SWITCH TEST 0 PREVIOUS MENU KEY xxxxx TRACK BALL X 42 Y 38 VOLUME GAIN 255 TUNE 126 STC 0 FTC 0 BRILL 250 SHAFT ENCODER EBL 0 VRM 255 ROTARY SWITCH RED 1 8 DIPSW1...

Page 227: ...display unit Exit 4 Press the SUB MENU key Sensor Test SAFETY KEY OK BEARING PULSE BP OK BEARING PULSE BZ OK 8 1 2 4 Line Test This test is used to check the communication status with optional equipment Procedures 1 Follow procedures 1 to 2 in subsection 8 1 2 3 The DIAGNOSTIC 1 menu appears 2 Press the 2 key to open the LINE TEST menu ON appears when communication or connection has been establish...

Page 228: ...appears Exit 3 Press the SUB MENU key ATA Status TRACKING NUMBER TD INTERRUPT NUMBER GZ NUMBER 8 1 2 6 ROM Version This test is used to check the versions of the software Procedures 1 Follow procedures 1 to 2 in subsection 8 1 2 3 The DIAGNOSTIC 1 menu appears 2 Press the 4 key to open the ROM VERSION The versions of MAIN CPU NSK ATA CPU and ATA TD are displayed Exit 3 Press the SUB MENU key ROM V...

Page 229: ...on 8 1 2 3 The DIAGNOSTIC 1 menu appears 2 Press the 5 key to open the ERROR LOGGING Refer to subsection 3 3 14 Stopping Alarm for the contents of error information Exit 3 Press the SUB MENU key Error Logging XXXXXXXXXXXX XXXXXXXXXXXX XXXXXXXXXXXX XXXXXXXXXXXX XXXXXXXXXXXX XXXXXXXXXXXX XXXXXXXXXXXX XXXXXXXXXXXX XXXXXXXXXXXX ERROR LOGGING 0 PREV ...

Page 230: ...ayed RANGE JMA 7725 JMA 7710 0 125 to 0 75nm 1 to 3 scales 1 to 2 scales 1 5nm 5 to 8 scales 3 to 5 scales 3nm 5 to 8 scales 3 to 5 scales 6 to 96 and 120 nm 5 to 8 scales 3 to 5 scales Exit 2 Press the SUB MENU key The running time indicates the time when the power has been turned on and the transmission time indicates the total time when transmission has actually been conducted Diagnostic 1 1 SE...

Page 231: ...r 2 a Fuse F5003 or 5004 7A time lag is fused b Rotation control circuit I F circuit PCB PC101 failure c Driving motor B101 failure d Scanner safety switch S101 failure e The motor control signal C2 is disconnected 3 a Receiver failure b Time base circuit PCB PC4402 failure c CPU control circuit PCB PC4401 failure d Shaft encoder B102 failure 4 a CPU control circuit PCB PC4401 failure if it is sti...

Page 232: ... CAUTION In case of fan failure radar unit will fail If fan failure occures turn off the power at once you should change the fan Table 8 3 List of Fuses in Use Location Parts No Rated Protection circuit Type current Inner F5001 to F5002 10A AC100V MF60NR 10A Inner F5001 to F5002 5A AC220V MF60NR 5A Inner F5003 to F5004 7A Time lag MF61 TS7 Display unit Inner F5005 0 5A MF60NR 0 5A Power supply F1 ...

Page 233: ... Fuse Fuse Fuse Fuse 2 1 2 2 2 1 1 1 4 1 3 4 7 8 6 3 6 3 12 Inner display unit AC100V Inner display unit Inner display unit Display unit monitor power supply circuit Display unit Power supply circuit Display unit Power supply circuit Display unit NSK circuit F1 to F4 F4 F5001 to F5002 F5001 to F5002 F5003 to F5004 F5005 MF60NR 10A 5ZFAD00018 MF60NR 0 5A 5ZFAD00013 MF61 TS7 5ZFAD00447 MF51NN 0 5A 5...

Page 234: ...ner unit 25 kW Modulator NMA 470 1 Including PC210 CPA 209 and excluding magnetron Scanner unit Receiver NRG 210A PC301 CAE 344 3 Scanner unit Interface circuit CMH 1562A PC101 Display unit Power supply unit NBL 267 Including CBD 1448 and CBA 313 Display unit Power supply circuit CBD 1448 PC5101 Display unit Power converter CBA 313 PC5102 Display unit NSK circuit CMJ 304C PC4201 Display unit CPU c...

Page 235: ...u set SYMBOL to ON CAUSE Faulty ACTION Contact the sales company CAUSE On the ATA 1 menu TARGET DATA is OFF ACTION On the ATA 1 menu set TARGET DATA to ON CAUSE Faulty ACTION Contact the sales company CAUSE On the MAIN MENU the setting of ATA BRILL is low ACTION On the MAIN MENU increase ATA BRILL CAUSE On the ATA 1 menu SYMBOL is OFF ACTION On the ATA 1 menu set SYMBOL to ON CAUSE An attempt is b...

Page 236: ...TION On the ATA 2 menu set the corresponding item to ON CAUSE On the ATA TEST menu the value of VECTOR CONST is small ACTION Increase the value of VECTOR CONST CAUSE On the ATA TEST menu the value of VECTOR CONST is large ACTION Slightly reduce the value of VECTOR CONST The guard zone cannot be set Dangerous ship and lost symbols are displayed but an alarm sound is not sounded When a target ship i...

Page 237: ... frame Replacement of Magnetron V201 10kW NKE 1055 Replace the magnetron as follows 1 Loosen the four A scanner unit screws see Fig 8 1 2 Lift the scanner unit to open the pedestal see Fig 8 1 3 Loosen the four B screws fixing the transceiver unit see Fig 8 1 4 Move the transceiver upward to remove it from the pedestal 5 Remove the four C screws and loosen the two D screws to remove the sender fro...

Page 238: ...8 15 8 4 B B A A Fig 8 1 Internal View of 10kW Scanner Unit NKE 1055 E E D C C Fig 8 2 Transmitter Unit of 10kW Scanner Unit NKE 1055 ...

Page 239: ...8 8 16 8 4 I I I H J H I J I Fig 8 3 Internal View of Sender of 10kW Scanner Unit NKE 1055 F F G Fig 8 4 Pulse Transformer of 10kW Scanner Unit NKE 1055 ...

Page 240: ...lead wires Handling of magnetron which had been stored for a long time Since the magnetron which had been stored for a long time may cause spark and become unstable after you start using it age it as follows 1 Make the cathode pre heating time longer than usual for 20 to 30 minutes in the standby mode 2 Start the operation from the short pulse range and gradually change it to the long pulse range ...

Page 241: ...enuator Remove the four screws fixing the diode limiter and another four screws fixing both the diode limiter and the PIN attenuator to take off the diode limiter When installing the new diode limiter pay attention to its direction so that the arrow faces in the direction of the receiver Replacement of PIN Attenuator A103 Remove the four screws fixing the PIN attenuator in the same way as for repl...

Page 242: ...election keys on the NSK circuit is set to the 360X synchrogyro before shipment adjust the keys as follows to suit it to the gyrocompass fitted on the ship For details see Appendix 12 Setting Table of the Gyro Compass and Gyro Select Switches 1 Before turning on the system set the keys and jumper pin on the NSK unit PC4201 as follows S1 Select the switch to OFF S2 Gyrocompasses output stepper or s...

Page 243: ... 7 OFF OFF ON ON S5 8 OFF ON OFF ON S6 Log test Select the switch to NORML position S7 BSH IMO spec Select the switch to BSH position JP1 Gyro type Synchro signal Select the SYNC position Stepper signal Select the STEP position 2 Connect the gyro signal and log signal cables to the NSK circuit PC4201 3 Set S1 to ON If radar echoes and the own ship s true bearing indications are displayed in revers...

Page 244: ...1 SYNC STEP 360X Normal NOR Reverse REV PULSE SYNCRO 800P 360X 400P 180X 200P 90X 100P 30X 180X 90X 36X Gyrational direction DIRECTION Type Pulse number PULSES NM 0 1 0 0 0 1 1 0 1 1 0 1 0 1 0 0 0 0 1 1 0 1 1 2 3 4 5 6 7 8 Gyro signal GYRO SIG Log signal LOG SIG ...

Page 245: ... the ENT key to clear the menu and display the radar screen Adjusting TUNE will be displayed in the lower right corner of the screen 6 Press the minus side of the RANGE key or plus side of the RANGE key to make the turning indication of the lower left of the screen the longest and press the ENT key Init set 2 1 BEARING ADJUSTMENT 2 RANGE ADJUSTMENT 3 TUNE ADJUSTMENT 4 SETTING OF PRF 23 5 PM ADJUST...

Page 246: ...en the INIT SET 2 menu 5 Press the 1 key to select BEARING ADJUSTMENT 6 Press the ENT key to clear the menu and display the radar screen Adjusting BEARING will be displayed in the lower right corner of the screen 7 After EBL1 appears turn the EBL control to adjust EBL1 to the target selected in procedure 2 and press the ENT key adjust the bearing to 25 by following the example in procedure 2 8 If ...

Page 247: ... the ENT key to clear the menu and display the radar screen Adjusting RANGE will be displayed in the lower right corner of the screen 6 Press the minus side of the RANGE key or plus side of the RANGE key to adjust the range and press the ENT key 7 If the range does not completely match repeat procedure 3 and after Init set 2 1 BEARING ADJUSTMENT 2 RANGE ADJUSTMENT 3 TUNE ADJUSTMENT 4 SETTING OF PR...

Page 248: ...elect ANTENNA HEIGHT 5 Press the 1 key to select UP to 5m 5 10m 10 20m or MORE 20m 6 Press the ENT key to confirm the setting Exit 7 Press the SUB MENU key Maintenance Menu MAINTENANCE MENU Press an item number key 0 PREVIOUS MENU 1 ANTENNA HEIGHT UP to 5M 5 10M 10 20M MORE 20M 2 3 ANTENNA SWITCH TRANSFER DISCARD 4 PARTIAL MASTER RESET 5 ALL MASTER RESET 6 INTERNAL SETTING to CARD 2 7 CARD 2 to IN...

Page 249: ...UB MENU key to open the SUB MENU 2 Press the 9 key to open the INIT SET 1 menu 3 Press the 2 key to select SPEED EQUIPMENT 4 Press the 2 key to select MANUAL LOG GPS 2AXIS WT or 2AXIS BT 5 Press the ENT key to confirm the setting Exit 6 Press the SUB MENU key Init set 1 1 2 SPEED EQUIPMENT MANUAL LOG GPS 2AXIS WT 2AXIS BT 3 MANUAL SPEED 0 0KT 4 FUNCTION MENU 5 BUZZER VOLUME OFF LOW MIDDLE HIGH 6 D...

Page 250: ... this time press the plus side of the RANGE key or minus side of the RANGE key according to the bearing of the compass and press the ENT key And after pressing the ENT key you can also enter this with numeric keys 0 to 9 as the following procedures Procedures 1 Press the SUB MENU key to open the SUB MENU 2 Press the 2 key to open the RADAR 2 menu 3 Press the 1 key to select GYRO 4 Press the ENT or...

Page 251: ...Press the 9 key to open the INIT SET 1 menu 3 Press the 3 key to select MANUAL SPEED 4 Press the ENT or 3 key to set the system in the numerical value entry mode 5 Set the speed using numeric keys 0 to 9 and press the ENT key 99 9 max Exit 6 Press the SUB MENU key After data is entered the following letters appear on the top of the screen Entered by GPS GPS Entered by DGPS DGPS Entered by LORAN LO...

Page 252: ...to set the system in the numerical value entry mode 5 Set the direction of the drift using numeric keys 0 to 9 and press the ENT key 6 Set the speed of the drift using numeric keys 0 to 9 and press the ENT key 9 9 max Exit 7 Press the SUB MENU key Init set 1 1 2 SPEED EQUIPMENT MANUAL LOG GPS 2AXIS WT 2AXIS BT 3 MANUAL SPEED 0 0KT 4 FUNCTION MENU 5 BUZZER VOLLUME OFF LOW MIDDLE HIGH 6 DRIFT SET 0 ...

Page 253: ...he 4 key twice to select SETTING OF PRF 4 Press the minus side of the RANGE key or plus side of the RANGE key or BRILL control to select number 0 39 5 Press the ENT key to confirm the setting Exit 6 Press the SUB MENU key Note This function cannot be used in the plotter mode Init set 2 1 BEARING ADJUSTMENT 2 RANGE ADJUSTMENT 3 TUNE ADJUSTMENT 4 SETTING OF PRF 23 5 PM ADJUSTMENT 6 DATA INPUT FORMAT...

Page 254: ...hen the transmission repetition frequency is ECONOMY NORMAL Balanced setting for the sensitivity and the life span of the magnetron HIPOWER Hipower setting use for detecting small targets However the life span of the magnetron is reduced ECONOMY Economy setting The maximum life span of the magnetron can be increased However the sensitivity deteriorates slightly Use this mode at radar trail fine li...

Page 255: ...er 183 JRC or 180 5 Press the ENT key to confirm the setting Exit 6 Press the SUB MENU key When 183 is selected the talker ID is displayed on the bottom of the screen in the plot mode after data is received from the navigation system Ask the navigation system manufacturer for the ID Initial set 2 1 BEARING ADJUSTMENT 2 RANGE ADJUSTMENT 3 TUNE ADJUSTMENT 4 SETTING OF PRF 23 5 PM ADJUSTMENT 6 DATA I...

Page 256: ... ER Global positioning system GPS GP Heading sensor compass magnetic HC gyro north seeking HE gyro non north seeking HN Integrated instrumentation II Integrated navigation IN LORAN LORAN A LA LORAN C LC OMEGA navigation system OM Proprietary code P Radar and or ATA RA Sounder depth SD Electronic positioning system other general SN Sounder scanning SS Turn rate indicator TI TRANSIT navigation syste...

Page 257: ... in it for approx 30 sec The radar will be set automatically to relative motion relative azimuth off center OFF and 24 NM 7 When the blinking of the character and numeral of P NON has stopped press the minus side of the RANGE key or plus side of the RANGE key to adjust the outer edge of the PM pattern so that it is aligned with the setting in Procedure 2 Exit 8 Press the ENT key The menu will disa...

Page 258: ...02 Antenna height Enter the height from the sea surface to the antenna Fixed mode Since the antenna height is constant in the case of a ship 2D 2 dimensional measurement is more stable DOP level In order to use accurate measurement results only select UP to 10 or UP to 5 Average position Select LONG to reduce the position deviation which delays the response Select SHORT to improve the response whi...

Page 259: ...izing GPS GPS status INITIALIZE GPS GPS STATUS Press an item number key 0 PREVIOUS MENU 1 POSITION N xx xx xxx Exxx xx xxx 2 EXCLUSION SAT x x x x x x 3 GEODETIC xx xxxxxxxxxxx 4 ANTENNA HEIGHT xxx M 5 FIX MODE 2D 3D AUTO 6 DOP LEVEL UP to 5 UP to 10 UP to 20 7 POSN AVERAGE LONG MIDDLE SHORT 8 SEND DATA 9 GPS STATUS GPS RCV TIME N xx xx xxx Exxx xx xxx xx ALT xxxxxM DOP xx RCV SAT 31 15 28 22 FIX ...

Page 260: ...HATHAM 1971 Chatham Island 18 CHUA ASTRO Paraguay 19 CORREGO ALEGRE Brazil 20 DJAKARTA VATAVIA Sumatra 21 EUROPEAN 1979 Europe 22 GEODETIC DATUM 1949 New Zealand 23 GUAM 1963 Guam 24 HAYFORD 1910 Finland 25 HJORSEY 1955 Iceland 26 INDIAN India Nepal 27 IRELAND 1965 Ireland 28 KERTAU 1948 West Malaysia 29 L C 5 ASTRO Cayman Black Island 30 LIBERIA 1964 Liberia 31 LUZON Philippines 32 MERCHICH Moroc...

Page 261: ... RICO Puerto Rico and Virgin Islands 42 QORNOQ South Greenland 43 RT90 Sweden 44 SANTA BRAZ Sao Maguel santa Maria Islands 45 SOUTH AMERICAN 1969 South American 46 SOUTHWEST BASE Faial Graciosa Pico Sao Jorge and Terceira Island 47 TIMBALAI 1948 Brunei and East malaysia ...

Page 262: ...h and elevation angle of the receiving satellite Signal level Displays the signal level of the receiving satellite The signal with an intensity of 20 or lower may not be used for measurement Receiving status Search Status when the satellite is being searched Tracking Status when the satellite is being tracked Demodulation Status when the data from the satellite is being demodulated Use Status when...

Page 263: ...3 GEODETIC xx xxxxxxxxxxx 4 ANTENNA HEIGHT xxx M 5 FIX MODE 2D 3D AUTO 6 DOP LEVEL UP to 5 UP to 10 UP to 20 7 POSN AVERAGE LONG MIDDLE SHORT 8 SEND DATA 9 GPS STATUS GPS RCV TIME N xx xx xxx Exxx xx xxx xx ALT xxxxxM DOP xx RCV SAT 31 15 28 22 FIX USE USE AZIMUTH 354 202 306 126 ELEVATE 65 47 23 15 LEVEL 52 53 00 00 STATUS D D T S To close this menu Press SUB MENU key ...

Page 264: ...to open the SETTING DGPS DGPS STATUS menu 4 Press the 1 key to select MODE 5 Press the 1 key to select AUTO or MANUAL 6 Press the ENT key to confirm the setting 7 In the AUTO mode Set the search step at 1 kHz for JAPAN After pressing the 4 key to select SET DATA press the 4 key to select 1 kHz and press the ENT key In the MANUAL mode Transmission starts after the frequency and baud rate of the bea...

Page 265: ... display for indicating that transmission error occurs appears In this case check the beacon receiver and cables Exit 11 Press the SUB MENU key Setting DGPS DGPS Status SETTING DGPS DGPS STATUS Press an item number key 0 PREVIOUS NEMU 1 MODE AUTO MANUAL 2 FREQUENCY xxx x kHz 3 BAUD RATE BPS 50 100 200 4 SET DATA 1kHz 500Hz 5 SEND DATA 6 7 8 9 STATUS BEACON RCV CONNECT FREQUENCY kHz BAUD RATE BAUD ...

Page 266: ...f the beacon station currently received When it is 100 or lower the beacon may not be received Procedures 1 Press the SUB MENU key to open the SUB MENU 2 Press the 9 key twice to open the INIT SET 2 menu 3 Press the 8 key to open the SETTING DGPS DGPS STATUS menu Exit 4 Press the SUB MENU key Setting DGPS DGPS Status SETTING DGPS DGPS STATUS Press an item number key 0 PREVIOUS NEMU 1 MODE AUTO MAN...

Page 267: ...MORIZE USER SETTING 9 RESTORE USER SETTING To close this menu Press SUB MENU key 8 5 6 1 Antenna Switch DISCARD is set on regular shipment Transmission can be enabled while the rotation of the scanner unit is stopped Procedures 1 Press the SUB MENU key to open the SUB MENU 2 Press the 9 key four times to open the INIT SET 4 menu 3 Press the 1 key to open the MAINTENANCE MENU 4 Press the 3 key to s...

Page 268: ...s displayed Exit 5 Press the SUB MENU key 8 5 6 3 Total Master Reset This function is used by our service personnel after the software is written Users are requested never to use this function 8 5 6 4 Internal Setting to Card 2 This function is used to write the contents internally set into card 2 Use this function after inserting a memory card for writing to the lower side of the card slot Proced...

Page 269: ...rnal Setting This function is used to set the contents written in the card to the internal memory Use this function after inserting the card to the lower side of the card slot Procedures 1 Follow procedures 1 to 3 in subsection 8 5 6 1 to open the MAINTENANCE MENU 2 Press the 7 key to select CARD 2 to INTERNAL SETTING 3 Press the 7 key to set the system in the standby mode 4 Press the ENT key to s...

Page 270: ...After writing a message informing the completion of writing appears Exit 5 Press the SUB MENU key 8 5 6 7 Restoring User Memory This function is used to read the contents written in the internal memory After reading the system assumes the transmission standby status Procedures 1 Follow procedures 1 to 3 in subsection 8 5 6 1 to open the MAINTENANCE MENU 2 Press the 9 key to select RESTORE USER SET...

Page 271: ...IOUS MENU 1 ANTENNA HEIGHT UP to 5M 5 10M 10 20M MORE 20M 2 3 ANTENNA SWITCH TRANSFER DISCARD 4 PARTIAL MASTER RESET 5 ALL MASTER RESET 6 INTERNAL SETTING to CARD 2 7 CARD 2 to INTERNAL SETTING 8 MEMORIZE USER SETTING 9 RESTORE USER SETTING To close this menu Press SUB MENU key ...

Page 272: ...de 6 Move the cursor to the position to be adjusted using the trackball and press the ENT key 7 Move the cursor to another position to be adjusted using the trackball and press the ENT key Perform positional adjustment In this case Chart adjustment will be displayed on the upper right corner of the screen Cancellation 1 Follow procedures 1 to 4 above to select the DELETE 2 Press the ENT key Positi...

Page 273: ...ng the north latitade south latitude east longitude or west longitud Cancellation 1 Follow procedures 1 and 2 above to select SHIFT COAST LINE 2 2 Press the 2 key enter 0 to an adjustment value for N using the 0 key and press the ENT key 3 Enter 0 to an adjustment value for E using the 0 key and press the ENT key This cancels position adjustment Exit 5 Press the SUB MENU key Position adjustment by...

Page 274: ...justment value for E east longitude using numeric keys 0 to 9 and press the ENT key Use the key for selecting the north latitade south latitude east longitude or west longitud Cancellation 1 Follow procedures 1 and 2 above to select LAT LON CORRECTION 2 Press the 3 key enter 0 to an adjustment value for N using the 0 key and press the ENT key 3 Enter 0 to an adjustment value for E using the 0 key ...

Page 275: ...keys 0 to 9 and press the ENT key 4 Enter an center position value for E east longitude W west longitude using numeric keys 0 to 9 and press the ENT key The data input from the GPS if any is prioritized Exit 5 Press the SUB MENU key Note Use this function can be used only when the plotter mode is selected Init set 3 1 SHIFT COAST LINE 1 SETTING DELETE 2 SHIFT COAST LINE 2 N 0 000 E 0 000 3 LAT LON...

Page 276: ......

Page 277: ...9 AFTER SALES SERVICE ...

Page 278: ...epairing we will repair it upon your request Items to be identified Product name model name manufacturing date and serial number Failure condition as detailed as possible see the Radar Failure Checklist on Page 9 2 Your company organization name location and telephone number Recommendation of maintenance inspection Although it depends on your operating condition the performance of the product may ...

Page 279: ...ay be optional If the function is optional answer is not necessary No Check Item Result 1 Power can be turned on The lamp on the operation panel is lit YES NO 2 A few minutes after powering on it will become stand by status TX Ready YES NO 3 When powering on or TX ON the CRT displays something CRT is lit YES NO 4 The scanner rotates at the transmission TX ON Check the following items while transmi...

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Page 281: ...10 10 1 Equipment Disposal 10 1 10 2 Disposal of Used Batteries 10 2 10 3 Disposal of Used Magnetron 10 3 DISPOSAL ...

Page 282: ...10 1 Dispose of this equipment by following the ordinances or regulations of the local authorities in charge of the disposal site 10 1 Equipment Disposal ...

Page 283: ...ice life of the battery is nearing its end check its output voltage Replace the battery if it reads lower than 3 0 volts Battery replacement procedure Replace the battery BT1 in the CMC 1055B CPU circuit board Be careful for making short circuit between the battrey terminal The data on the memory is sustained by super capacitance for a short period of time Do not keep used lithium batteries but di...

Page 284: ...in this radar use a magnetron NKE 1055 1056 After replacing it return the used one to your local distributor or our sales office For detail ask your local distributor or our sales office 10 3 Disposal of Used Magnetron ...

Page 285: ...6 11 2 11 3 Scanner Unit NKE 1056 6M 9M 11 3 11 4 Display Unit NCD 3901 2 11 4 11 5 ATA NCA 843 Optional 11 7 11 6 Inputable Signal 11 7 11 7 Outputable Signal 11 8 11 8 Standard Equipment Configuration 11 8 11 9 Installing Clearance between Equipment 11 8 11 10 Others Optional 11 8 SPECIFICATION ...

Page 286: ...1 degree max 9 Bearing resolution 1 5 degrees 6ft 1 1 degrees 9ft 10 Bearing display Relative bearing true bearing course up and stabilized course up 11 Ambient conditions Temperature Scanner 25 C to 55 C Storage 25 C to 70 C Equipment other than scanner 15 C to 55 C Relative humidity All equipment 40 C 93 Vibration All equipment 2 to 13 2Hz with excursion of 1mm 10 13 2 to 100Hz with constant max...

Page 287: ...requency Short Standard Long 0 125nm 0 08µs 2080Hz 0 25nm 0 08µs 2080Hz 0 5nm 0 08µs 2080Hz 0 75nm 0 08µs 2080Hz 0 2µs 2080Hz 1 5nm 0 08µs 2080Hz 0 2µs 2080Hz 0 4µs 1560Hz 3nm 0 2µs 2080Hz 0 4µs 1560Hz 0 8µs 780Hz 6nm 0 4µs 1560Hz 0 8µs 780Hz 1 2µs 520Hz 12nm 0 4µs 1560Hz 0 8µs 780Hz 1 2µs 520Hz 24nm 1 2µs 520Hz 32nm 1 2µs 520Hz 48nm 1 2µs 520Hz 96nm 1 2µs 520Hz 10 Transmission switch Circulator D...

Page 288: ...0 30MHz 8 Transmission tube Magnetron M1437 A 9 Transmission pulse length repetition frequency Short Standard Long 0 125nm 0 08µs 2080Hz 0 25nm 0 08µs 2080Hz 0 5nm 0 08µs 2080Hz 0 75nm 0 08µs 2080Hz 0 2µs 2080Hz 1 5nm 0 08µs 2080Hz 0 2µs 2080Hz 0 4µs 1560Hz 3nm 0 2µs 2080Hz 0 4µs 1560Hz 0 8µs 780Hz 6nm 0 4µs 1560Hz 0 8µs 780Hz 1 2µs 520Hz 12nm 0 4µs 1560Hz 0 8µs 780Hz 1 2µs 520Hz 24nm 1 2µs 520Hz ...

Page 289: ...e control 4 steps Radar track Gradation 1 Video color 1 sky white green Brilliance control 4 steps simultaneous control with radar video Fixed marker VRM EBL Video color Cyan Brilliance level 4 steps The following brilliance levels are simultaneously changed Letter dial plane Video color White Brilliance level 4 steps SHM cursor Video color White Brilliance level 4 steps 8 Range scale spacing Rang...

Page 290: ... indication bar attached 14 Sea clutter restraint Manual and auto 15 Rain clutter restraint Manual and auto 16 Radar interference rejection Built in 17 Bearing scale 1 degree scale 360 degrees 18 Bow display Electronic stern marker can also be displayed 19 Guard zone alarm Can be switched between OFF IN and OUT Buzzer sound available Range storing function equipped 1 sector ring 20 Off center Up t...

Page 291: ...ay night mode selecting key DAY NIGHT 8 Range scale brilliance key RR 9 Bearing mode key AZI MODE 10 Pulse width selecting key PL 11 TM reset key TM RST 12 TM RM key TM RM 13 Center moving key OFF CENT 14 Ship s head marker brilliance key HL OFF 15 Alarm reset key ALARM ACK 16 VRM control key VRM1 VRM2 17 VRM control key VRM OFF 18 EBL control key EBL1 EBL2 19 EBL control key EBL OFF 20 Function s...

Page 292: ...imum tracking target 30 targets automatic tracking 3 Maximum tracking range 32 nm 4 Tracking data display One target data display Range and bearing of a target CPA and TCPA of a target True course and true speed of a target 5 Vector display Relative or true 6 Past point display Past four points Display intervals 30 seconds 1 minute 2 minutes 4 minutes 7 Dangerous target alarm By setting the CPA TC...

Page 293: ...it 1 unit Display unit 1 unit Installation cable Between display and scanner unit Typ 15m scanner connector Performance monitor 1 unit Cable for Performance monitor Typ 15m Installing tools 1 set Standard spare parts 1 set Hood 1 unit Installation manual 1 Japanese or English 11 9 Installing Clearance between Equipment Max Typ Between scanner and display unit 30m 15m Between performance monitor an...

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Page 295: ...dix 6 Internal Connection Diagram of Scanner Unit Type NKE 1055 Appendix 7 Internal Connection Diagram of Scanner Unit Type NKE 1056 Appendix 8 Internal Connection Diagram of Display Unit Type NCD 3901 2 Appendix 9 Power Supply Connection Diagram of Display Unit Type NCD 3901 2 Appendix 10 NSK Log Selection Switches of Display Unit Type NCD 3901 2 Appendix 11 Setting Table of the Speed Log Select ...

Page 296: ...odulator circuit PC201 CMA 662 Internal equipment of receiver CAE 344 3 IF amplifier circuit PC301 CBP 143 Moter control circuit PC101 CQD 1735 Internal equipment of slow starter NKE 1056 25kW NMA 470 Modulator NRG 210A Receiver NAX 16A 6 NAX 16A 9 Radiator CQC 959 Internal equipment of scanner with diode limiter CMH 1562A Interface circuit PC101 CNM 201 Internal equipment of modulator CPA 209 Mod...

Page 297: ... control circuit PC4401 CED 44B Time base circuit PC4402 CCK 816 Panel circuit 1 PC4501 CCK 817 Panel circuit 2 PC4502 CCK 790E Panel circuit 3 PC4503 CBD 1448 Power supply circuit PC5101 CBA 313 Power converter PC5102 CSC 581 Relay circuit PC4701 CDC 1013 ATA circuit PC4403 Option Installation cable CFQ 8681 15 Installation cable for between the display and scanner 15m 2695111150 Cable for perfor...

Page 298: ...Appendix 2 Circuit Diagram of Radar Type JMA 7710 6 and JMA 7725 6 9 ...

Page 299: ...Appendix 3 Terminal Board Connection Diagram of Radar Type JMA 7710 6 ...

Page 300: ...Appendix 4 Terminal Board Connection Diagram of Radar Type JMA 7725 6 9 ...

Page 301: ...Appendix 5 Primary Power Supply System Diagram of Radar Type JMA 7710 6 and JMA 7725 6 9 ...

Page 302: ...Appendix 6 Internal Connection Diagram of Scanner Unit Type NKE 1055 ...

Page 303: ...Appendix 7 Internal Connection Diagram of Scanner Unit Type NKE 1056 ...

Page 304: ...Appendix 8 Internal Connection Diagram of Display Unit Type NCD 3901 2 ...

Page 305: ...N G N D G N D O U T O U T C 3 7 0 1 U 5 0 V R 4 2 R 4 3 1 K 4 7 K 1 W 1 2 W C D 2 5 T L G 1 2 4 A J 5 1 0 4 J 5 1 0 4 1 5 V H 1 5 V K A 8 1 1 5 V 1 1 A J 5 1 0 4 1 0 1 5 V 0 3 3 A 1 5 V C 4 3 2 2 0 U 6 3 V R 4 5 R 4 6 1 K 4 7 K 1 W 1 2 W K A C 4 2 0 1 U 5 0 V C D 2 6 T L G 1 2 4 A J 5 1 0 4 2 C D 2 1 E M 1 Z I C 4 U P C 7 9 1 5 A H F I N I N G N D G N D O U T O U T K A J 5 1 0 4 2 4 V 0 2 A 9 2 4 ...

Page 306: ...I I I I I I I I I I I I Appendix 9 2 Power Supply Connection Diagram of Display Unit Type NCD 3901 2 CBD 1448 2 2 ...

Page 307: ...3 33 1 2W R9 220 1 4W R8 3 3K 1 4W R7 47 1 2W R21 10 1 4W R11 10K 1 2W R12 10K 1 2W R14 100 1 4W R15 100 1 4W R17 0 047 2W R16 0 047 2W TR1 2SK1120 D 2 3 4 5 6 7 A2 K L1 C8 0 1U 250V C9 4700U 63V R19 6 2K 1 2W R20 1K 3W CD4 TLG124A 1 J5202 24V J5202 J5202 J5202 J5202 J5202 J5202 J5202 10A 2 3 4 5 6 7 8 350212 2 CD3 FML 365 A1 T1 9 10 11 12 13 S G D S G R6 3 3 1 2W R22 10 1 4 CD6 SM 1XN02 CD1 HZ18B...

Page 308: ...Appendix 10 NSK Log Selection Switches of Display Unit Type NCD 3901 2 ...

Page 309: ...Appendix 11 Setting Table of the Speed Log Select Switches of Display Unit Type NCD 3901 2 ...

Page 310: ...Sperry U S A ES 16 SR 120 220 SR 140 160 TG 6000 ES 140 160 CMZ 700D PR 26 6 6 6 7 Drawing 103590820 150 excitation Step motor GA 2001G 180X 35 VDC 24 VDC ON OFF ON STEP STEP C 1A 2 3 E HOKUSHIN PLATH 55 C PLATH HKRK C3 Synchro motor YM 14 TS 19 360X 60 VAC 100 VAC 60 Hz OFF OFF OFF SYNC SYNC OFF OFF OFF SYNC SYNC YOKOGAWA JAPAN C1JR C 1 JUNIOR CMZ 200A 300 D 1 IPS IPS 2 H2 2B 2B H2C 5 KM008 KR 05...

Page 311: ...ffices U S A U S A U S A U S A Japan Radio Co Ltd Nisshin Foods Building Suite 208 2125 Center Avenue Fort lee N J 07024 U S A Phone 1 201 242 1822 Fax 1 201 242 1885 I I I Indonesia ndonesia ndonesia ndonesia Japan Radio Co Ltd Graha Surya Internusa 7th F1 suite 703A J1 H R Rasuna Said Kav X O Jakarta 12950 INDONESIA Phone 62 21 527 3010 Fax 62 21 527 3013 Philippines Philippines Philippines Phil...

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