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JRC JMA-2353, Instruction Manual

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JRC JMA-2353 Instruction Manual Download Page 142

Chapter 3

 

TRUE AND FALSE ECHOES ON DISPLAY 

3.1

 

RADAR WAVE WITH THE HORIZON 

3-2 

 

When the height of own ship's scanner is 10 m for instance, 

(a)  A target that can be detected at the radar range of 64 nm on the radar display is 

required to have a height of 660 m or more. 

(b)  If the height of a target is 10 m, the radar range has to be approx. 15 nm. 

However, the maximum radar range at which a target can be detected on the 
radar display depends upon the size of the target and the weather conditions, that 
is, the radar range may increase or decrease depending upon those conditions. 

 
 

Summary of Contents for JMA-2353

Page 1: ...JMA JMA 2353 2354 2353 2354 MARINE RADAR MARINE RADAR EQUIPMENT EQUIPMENT INSTRUCTION INSTRUCTION MANUAL MANUAL ...

Page 2: ......

Page 3: ...me 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 the burn sufficiently and get it tak...

Page 4: ...sk someone to call a doctor 4 Lay the victim on this 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 ...

Page 5: ...his nostrils and blow into 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 and keep him warm and quiet Never give him alcoholic drinks Method of mouth to mouth respiration by raising head Fig 1 Mouth to mouth respiration 1 Raise the victim s head Supp...

Page 6: ...escuer Repeat cardiac 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 15 times while the other person blow into his mouth twice and they shall repeat this combination Perform the cardiac massage and mouth to mouth respiration 3 Examine his pupils and his pulse sometimes When the both have return...

Page 7: ... obtain safe operation of marine ships This equipment consists of a scanner unit and a display unit as its main units 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 occurs ...

Page 8: ...re not operated correctly CAUTION This indication is shown where any person is supposed to be injured or any property damage is supposed to occur if this indication is neglected and these equipments are not operated correctly Examples of Pictorial Indication Electric Shock The mark represents CAUTION including DANGER and WARNING Detailed contents of CAUTION Electric Shock in the example on the lef...

Page 9: ...before cleaning the equipment Especially when a rectifier is used make sure to turn it off since voltage is still output from the rectifier even after the radar is turned off Failure to comply may result in equipment failure electric shock When conducting maintenance work on the antenna make sure to turn its main power off Failure to comply may result in electrocution or injuries During scanner un...

Page 10: ...transmitting The high level of microwave is radiated from the front face of the scanner specified below The microwave exposure at close range could result in injuries especially of the eyes Scanner Unit 10W m2 NKE 2063 40cm NKE 2043 22cm Make sure to install the antenna at a place higher than human height Direct exposure to electromagnetic waves at close range will have adverse effects on the huma...

Page 11: ...ge noise suppression level When using the sea clutter suppression function never set the suppression level too high canceling out all image noises from the rain or snow at close range Detection of not only echoes from the rain or snow but also targets such as other ships or dangerous objects will become inhibited When using the sea clutter suppression function make sure to choose the most appropri...

Page 12: ... Do not make any adjustments during navigation Failure to comply may result in adverse effects on the radar function which may lead to accidents or equipment failure Make sure to shut off the main power before replacing parts Failure to comply may result in electrocution or equipment failure When replacing magnetrons make sure to shut off the main power and let the equipment stand for more than 5 ...

Page 13: ...WARNING LABEL MOUNTING POINT xi WARNING LABEL MOUNTING POINT NKE 2043 Scanner Unit NKE 2063 Scanner Unit ...

Page 14: ...WARNING LABEL MOUNTING POINT xii NCD 2237 Display Unit ...

Page 15: ...WARNING LABEL MOUNTING POINT xiii NBD 865 Rectifier unit ...

Page 16: ...EQUIPMENT APPEARANCE xiv EQUIPMENT APPEARANCE Scanner Unit Type NKE 2043 2 feet Scanner Unit Type NKE 2063 3 9 feet NCD 2237 Display Unit ...

Page 17: ...S 1 5 1 5 GENERAL SYSTEM DIAGRAMS 1 8 Chapter 2 OPERATIONS 2 1 2 1 SCREEN DISPLAY 2 1 2 2 PANEL 2 2 2 3 POWER ON OFF 2 4 2 4 SENSITIVITY ADJUSTMENT 2 6 2 5 SEA CLUTTER SUPPRESSION 2 8 2 6 RAIN SNOW CLUTTER SUPPRESSION 2 11 2 7 SOFT KEY OPERATION 2 14 2 7 1 MEASURING TARGET BEARING EBL 2 22 2 7 2 MEASURING RANGE TO TARGET VRM 2 24 2 7 3 SETTING VECTORS 2 26 2 7 4 DISPLAYING OTHER SHIP S TRACKS RADA...

Page 18: ...ER 2 70 2 7 22 USING TLL TX 2 71 2 8 BASIC MENU OPERATIONS 2 72 2 9 RADAR ECHO SETTINGS 2 76 2 9 1 SETTING RADAR INTERFERENCE REJECTION 2 76 2 9 2 SETTING FOR ENHANCING TARGETS 2 77 2 9 3 PROCESS 2 78 2 9 4 ZOOMING 2 79 2 9 5 VIDEO LATITUDE 2 79 2 9 6 VIDEO NOISE REJECTION 2 80 2 10 MARKER SETTING 2 81 2 10 1 SETTING OPERATIONS FOR EBLS ELECTRONIC BEARING LINES 2 81 2 10 2 SETTING CURSORS 2 83 2 1...

Page 19: ...NOW CLUTTER 3 4 3 3 1 SEA CLUTTER 3 4 3 3 2 RAIN AND SNOW CLUTTER 3 4 3 3 3 COPING WITH SEA CLUTTER AND RAIN AND SNOW CLUTTER 3 4 3 4 FALSE ECHOES 3 5 3 4 1 SHADOW 3 5 3 4 2 SIDE LOBE EFFECT 3 5 3 4 3 FALSE ECHO BY SECONDARY REFLECTION 3 5 3 4 4 FALSE ECHO BY MULTIPLE REFLECTION 3 6 3 4 5 SECOND TIME ECHOES 3 6 3 4 6 RADAR INTERFERENCE 3 7 3 5 DISPLAY OF RADAR TRANSPONDER SART 3 8 Chapter 4 MAINTE...

Page 20: ... 5 1 5 2 WHEN YOU REQUEST FOR REPAIR 5 1 5 3 RECOMMENDED MAINTENANCE 5 1 Chapter 6 DISPOSAL 6 1 6 1 DISPOSAL OF THE UNIT 6 1 6 2 DISPOSAL OF USED MAGNETRON 6 2 6 3 CHINA RoHS 6 2 Chapter 7 SPECIFICATIONS 7 1 7 1 GENERAL SPECIFICATIONS 7 1 7 2 SCANNER 7 2 7 2 1 NKE 2043 7 2 7 2 2 NKE 2063 7 4 7 3 DISPLAY UNIT 7 6 7 3 1 INTEGRATED DISPLAY UNIT NCD 2237 7 6 7 3 2 OPERATION PANEL 7 8 7 3 3 AIS FUNCTIO...

Page 21: ...rossing Range and Bow Crossing Time C C up Course up Own ship s course is pointed to the top center of the radar display CCRP The Consistent Common Reference Point A location on own ship to which all horizontal measurements such as target range bearing relative course relative speed CPA or TCPA are referenced typically the conning position of the bridge Clutter Unwanted reflections on a radar scre...

Page 22: ...nt to the bearing scale to indicate the heading of the ship H up Head up Own ship s heading line is always pointed to the top center of the radar display I IR Radar Interference Rejecter L Lost AIS target A target symbol representing the last valid position of an AIS target before the reception of its data was lost or its last dead reckoned position Lost tracked target One for which target informa...

Page 23: ...sity incident on the target Range Rings A set of concentric circles labeled by distance from CCRP Reference target A symbol indicating that the associated tracked stationary target is used as a speed reference for the ground stabilization Relative course The direction of motion of a target relative to own ship motion Relative speed The speed of a target relative to own ship s speed data Relative v...

Page 24: ...ship SP Short Pulse STAB Stabilization STW Speed Through Water The speed of the ship relative to the water surface T TCPA Time to Closest Point of Approach to own ship Test target Radar target of known characteristics used for test requirement TM True Motion A display across which own ship moves with its own true motion Trails Display Radar Trails Other Ships Trails True course The direction of mo...

Page 25: ...dinated The international standard of time kept by atomic clocks around the world V VRM Variable Range Marker An adjustable range ring used to measure the distance to a target W Waypoint A geographical location on a route indicating an event ...

Page 26: ...GLOSSARY xxiv ...

Page 27: ...isplay unit Function of This System Sensitivity adjustment Sea clutter suppression Rain snow clutter suppression IR Interference rejection Bearing and range measurement using a cursor fixed variable range markers and electronic bearing line Own ship s track display NAV line and marker displays TM True Motion presentation Self diagnostic TT manual and automatic target acquisition automatic tracking...

Page 28: ...his instruction manual Target Detection by Latest Signal Processing Technology The system employs a signal processing technology of DSP to eliminate undesired clutter thus improving the target detection TT and AIS functions as Standard Equipment High performance target tracking function which can automatically track targets up to 10 targets and AIS target display function up to 50 targets are prov...

Page 29: ...r NBD 865 is necessary for using Ship s Mains 100 200 200 240 VAC 50 60Hz 1 2 If connecting to gyro with synchro signal output or step signal output optional NSK unit NCT 4106A is required Supplied accessories PRODUCT NAME MODEL QUANTITY JRC CODE REMARKS Instruction manual 7ZPRD0846 1 7ZPRD0846 This manual Installation manual 7ZPRD0848 1 7ZPRD0848 Quick manual 7ZPRD0850 1 7ZPRD0850 Read me 1 7ZPRD...

Page 30: ...5 1 NBD 865 For NKE 2043 2063 Equipment cable H CFQ5761 05 H CFQ5761 10 H CFQ5761 20 H CFQ5761 30 CFQ5761 05 10 20 30 Cable connecting the scanner unit and the display unit Length 5 10 20 30 m Cable with connectors at both ends For NKE 2043 4kW Equipment cable H CFQ5746 05 H CFQ5746 10 H CFQ5746 15 H CFQ5746 30 CFQ5746 05 10 15 30 Cable connecting the scanner unit and the display unit Length 5 10 ...

Page 31: ...Chapter 1 GENERAL AND EQUIPMENT COMPOSITION 1 4 EXTERIOR DRAWINGS 1 5 INSTRUCTION MANUAL 1 1 4 EXTERIOR DRAWINGS Fig 1 4 1 Exterior Drawing of Scanner Unit Type NKE 2043 ...

Page 32: ...Chapter 1 GENERAL AND EQUIPMENT COMPOSITION 1 4 EXTERIOR DRAWINGS 1 6 Fig 1 4 2 Exterior Drawing of Scanner Unit Type NKE 2063 ...

Page 33: ...Chapter 1 GENERAL AND EQUIPMENT COMPOSITION 1 4 EXTERIOR DRAWINGS 1 7 INSTRUCTION MANUAL 1 Fig 1 4 3 Exterior Drawing of Display Unit Type NCD 2237 ...

Page 34: ...Fig 1 5 1 General System Diagram of Radar Reference Install the radar cable as far as from the cables of other radio equipment in order to prevent other radio equipment from interfering with the radar operations In particular do not install the antenna cable parallel to the cables of other radio equipment ...

Page 35: ...Chapter 2 OPERATIONS 2 1 SCREEN DISPLAY 2 1 2 INSTRUCTION MANUAL Chapter 2 OPERATIONS 2 1 SCREEN DISPLAY ...

Page 36: ...w clutter MULTI Press Opens the soft key menu Turn Adjusts the selected mode Changes the setting values Selects soft key menu items RANGE Press Switches the range CLEAR Press Cancels menu operations Returns to upper menu Stops the alarm sound USER Press Performs the user key 1 function BRILL Press Changes the display brilliance Hold down Opens the display brilliance STBY Press Turns on this equipm...

Page 37: ...Key Operations Press Press a key then release the key before 2 seconds elapse Hold down Press a key and hold down the key for 2 seconds or more Press multiple keys Press multiple keys simultaneously Turn Turn a control in clockwise counterclockwise direction ...

Page 38: ...e setting it into the transmit state If the preheating time is short the magnetron causes sparks resulting in its unstable oscillation Start transmission on a short pulse range and change the range to the longer pulse ranges in turn If the transmission is unstable in the meantime immediately place the system back into the standby state and maintain it in the standby state for 5 to 10 minutes befor...

Page 39: ...by state if radar observation is restarted in a relatively short time Only pressing the TX PRF key starts observation Power Off 1 Press the STBY key and the TX PRF key simultaneously The system is turned off WARNING When conducting maintenance work make sure to turn off the power and unplug the power connector J1 of the display unit so that the power supply to the equipment is completely cut off S...

Page 40: ...same time if sensitivity is set too low detection of targets such as ships and dangerous objects may be hindered Therefore sensitivity must always be set to an optimal level Noise Adjustment 1 Turn the GAIN control Turn the GAIN control clockwise to increase sensitivity Turn the GAIN control counterclockwise to decrease sensitivity The sensitivity adjustment screen appears when turning the GAIN co...

Page 41: ...he targets and the background video As a result the targets become obscure on the radar display To observe densely crowded targets or short range targets turn the GAIN control counterclockwise to reduce the sensitivity so that the targets are easy to observe However be careful not to overlook important small targets Switching to Manual Automatic Mode 1 Hold down the GAIN control The sensitivity ca...

Page 42: ...d When using the sea clutter suppression function make sure to choose the most appropriate image noise suppression level Manual Sea Clutter Suppression Function Adjust the sea clutter returns on the display unit to achieve better observation state 1 Turn the SEA control Turn the SEA control clockwise to suppress sea clutter returns Turn the SEA control counterclockwise to intensify sea clutter ret...

Page 43: ...adar display Automatic Sea Clutter Suppression Function Sea clutter suppression can be performed in accordance with the level of sea clutter Use this automatic mode when sea clutter returns vary in direction 1 Hold down the SEA control Automatic function is selected Even when the automatic function is selected you can manually perform fine adjustments by turning the SEA control The sea clutter sup...

Page 44: ...unction is canceled The mode is indicated as shown below Reference When the automatic mode is selected for the sea clutter suppression function the rain snow clutter suppression function is switched to the manual mode The sea clutter suppression function Auto and the rain snow clutter suppression function Auto cannot be selected at the same time ...

Page 45: ...ing the sea clutter suppression function make sure to choose the most appropriate image noise suppression level Manual Rain Snow Clutter Suppression Function Adjust the rain snow clutter returns on the display unit to achieve better observation state 1 Turn the RAIN control Turn the RAIN control clockwise to suppress rain snow clutter returns Turn the RAIN control counterclockwise to intensify rai...

Page 46: ...to 0 Automatic Rain Snow Clutter Suppression Function Rain snow clutter suppression can be performed in accordance with the level of rain snow clutter Use this automatic mode when rain snow clutter returns vary in direction 1 Hold down the RAIN control Automatic function is selected Even when the automatic function is selected you can manually perform fine adjustments by turning the RAIN control T...

Page 47: ...tic function is canceled The mode is indicated as shown below Reference When the automatic mode is selected for the rain snow clutter suppression function the sea clutter suppression function is switched to the manual mode The sea clutter suppression function Auto and the rain snow clutter suppression function Auto cannot be selected at the same time ...

Page 48: ... Keys for operation Soft keys 1 2 3 and 4 MULTI control CLEAR key Soft Key Operations Example Opening Display Screen This section describes how to operate with the soft keys shown below TUNE PRF Display Screen TM RM Bearing Mode Pulse Length Off Center Symbol Display MOB Mark Line Own Track Event Mark AIS Filter TLL TX Reference The functions for the following soft key menu are initially set to of...

Page 49: ...urn the MULTI control to select Display Screen on the soft key menu Reference When a certain time elapses without any key operation after selecting an item on the soft key menu the soft key menu and the soft key display automatically disappear Display Screen is color inverted Press the MULTI control ...

Page 50: ...lect Own Track TLL TX Reference When the item at the bottom of the soft key menu is color inverted the soft key menu does not scroll any more even if the control is turned clockwise Own Track is color inverted Event Mark is color inverted TLL TX is color inverted AIS Filter is color inverted ...

Page 51: ...ol counterclockwise To select VRM2 EBL1 Reference When the item at the top of the soft key menu is color inverted the soft key menu does not scroll any more even if the control is turned counterclockwise VRM2 is color inverted VRM1 is color inverted EBL1 is color inverted EBL2 is color inverted ...

Page 52: ...ut set in the section 4 13 7 LOCATION CHANGE 2 Screen2 Soft key 4 Each time you press the soft key 4 when Numerical INFO is set the soft key display toggles in the following order Numerical INFO TT Detail AIS Detail Own AIS INFO MOB INFO Screen 1 is color inverted Screen 2 is color inverted Numerical INFO is color inverted Press the soft key 1 Press the soft key 2 Press the soft key 4 ...

Page 53: ... which were displayed previously appear again Soft key Operations Example Opening Brilliance This section describes how to operate with the soft keys shown below EBL1 EBL2 VRM1 VRM2 Vector Length RADAR Trails AIS TT Alarm1 Alarm2 Brilliance Reference The functions for the following soft key menu are initially set to off To use these functions set the menu items to on by referring to Soft Key Menu ...

Page 54: ...rm the same operations for the other soft key menu items to activate the functions Soft key 1 When the soft key 1 is pressed the monitor brill is switched This cannot be switched in the factory setting To enable switching perform the display setting for the soft keys Select Brilliance and press the control Day1 is color inverted Press the soft key 1 Press the MULTI control ...

Page 55: ...is color inverted and is activated Setting with the soft key menu To determine the setting of the soft key menu item press one of the followings Multi control CLEAR key The soft key menu item is determined then the soft key menu and the soft key display are turned off and the setting is finished Press the soft key 2 Monitor BRILL is color inverted Press the soft key 3 Panel BRILL is color inverted...

Page 56: ...RING TARGET BEARING EBL Measures bearing with EBLs Electronic Bearing Lines 1 Select EBL1 EBL2 on the soft key menu When EBL1 is selected the soft key menu is turned off and BRG Operation of the soft key display is color inverted EBL1 is activated When EBL2 is selected the soft key menu is turned off and BRG Operation of the soft key display is color inverted EBL2 is activated Select EBL1 and pres...

Page 57: ...floating off to floating state Press the cursor keys to move the starting point of EBL1 EBL2 Press the ENT key at the starting point of EBL1 EBL2 you want to move The starting point of EBL1 EBL2 is determined Reference The floating position of the EBL s starting point can be fixed on the radar display or at specific latitude and longitude Floating function must be turned on to use floating For det...

Page 58: ...e ends Reference When EBL1 EBL2 is not selected on the soft key menu press the soft key 4 to activate the EBL function EBL Bearing Display The bearing values of EBL1 and EBL2 displayed on the PPI are indicated at the radar display Even if EBL1 and EBL2 are not displayed the bearing values are displayed 2 7 2 MEASURING RANGE TO TARGET VRM Measures the range with VRM Variable Range Marker 1 Select V...

Page 59: ...not displayed The soft key menu and the soft key display disappears and VRM function is terminated Soft key 2 NM km sm Selects units of VRM1 VRM2 range Soft key 3 Not available Soft key 4 DIST Operation When VRM1 or VRM2 of the soft key menu is selected DIST Operation of the soft key display is color inverted Turn the MULTI control to operate VRM1 VRM2 Press the MULTI control the soft key 4 or the...

Page 60: ...M2 marker appears on the EBL2 If the starting point of an EBL is offset the center of a VRM marker is positioned at the starting point of the EBL 2 7 3 SETTING VECTORS Sets TT and AIS vectors Reference The bearing input is required to display TT and AIS vectors This function is initially set to off To use this function set this to on by referring to Soft Key Menu Setting in 4 10 Control of the Ins...

Page 61: ...tor Length of the soft key display is color inverted Vector time can be set in minutes in the range 1 to 60 min Turn the MULTI control to set the vector length Reference When Vector Length is not selected on the soft key menu press the soft key 4 to activate the Vector Length function Vector display Note When a target or own ship changes its course or when a new target is acquired its vector may n...

Page 62: ...onitored However no CPA RING can appear in this mode The relative vector is not displayed True vector Own ship s position HL Relative Vector Mode The relative vector does not represent the true motion of the target but its relative relation with own ship This means that a target with its relative vector directed to own ship passing through the CPA LIMIT ring will be a dangerous target In the Relat...

Page 63: ...and the tip of the vector represents the target s position expected to reach six minutes later 2 7 4 DISPLAYING OTHER SHIP S TRACKS RADAR TRAILS Sets radar trails Other ships movements and speeds can be monitored from the lengths and directions of their trails serving for collision avoidance 1 Select RADAR Trails on the soft key menu The soft key menu disappears and Trails of the soft key display ...

Page 64: ...ey 3 True Relative Switches the radar trail display between true and relative motion trail modes True motion trails The system plots the absolute motion trails of a target irrespective of the own ship s position The operator can easily judge the course and speed of the target The system does not plot the trails of land and other fixed targets Relative motion trails The system plots the trails of a...

Page 65: ...ctions see 2 13 SETTING TT AIS This function is initially set to off To use this function set this to on by referring to Soft Key Menu Setting in 4 10 Control of the Installation Manual 1 Select AIS on the soft key menu The soft key menu disappears and Target Select of the soft key display is color inverted AIS is activated 2 Operate with the soft keys Soft key 1 Numerical Data Retrieved Vessel DE...

Page 66: ... vessel is the function to preferentially display the user specified ship AIS Destination Ship AIS destination ship is the function to display the user specified ship as the destination AIS data Numerical Data Retrieved Vessel DEST Ship Displaying AIS data Operation with the soft key menu 1 Press the cursor keys to select AIS then press the ENT key When Numerical Data is displayed above the soft k...

Page 67: ...ment performs the followings On the AIS symbol Opens the AIS soft key and the numerical display of AIS On the TT symbol Opens the TT soft key and the numerical display of TT Not on the AIS or TT symbol Opens the TT soft key it will be acquired If operating with the ENT key when the AIS symbol overlaps the TT symbol the numerical display of AIS symbol takes priority Reference After setting the AIS ...

Page 68: ... then press the soft key 3 Setting Release When Numerical Data is displayed above the soft key 1 When Retrieved Vessel is displayed above the soft key 1 When DEST Ship is displayed above the soft key 1 The specified target data is displayed and the symbol is changed The target data will remain on the radar display until the target is lost or until another target is designated When the target for t...

Page 69: ...tting Release Numerical Data AIS retrieved vessel and AIS destination ship are canceled AIS Symbols This section describes types and definitions of AIS symbols Symbol Definition Remarks Activated AIS target This symbol shows the position of an AIS target on the PPI The shape is an isosceles triangle and its vertex shows the approximate heading direction If heading bearing information or COG inform...

Page 70: ...em or lose part of them Such swapping or less of targets may also occur if the picture of the target being tracked is affected by rain snow clutter returns or sea clutter returns or moves very close to land II Intensity of echoes and the target tracking function The intensity of echoes and the tracking function have a correlationship and thus the target will be lost if no echoes are detected durin...

Page 71: ...ical data and alarms may contain some errors Also targets that are not detected by the radar cannot be acquired or tracked Making the final navigation decision based only on the radar display may cause accidents such as collisions or running aground Reference This function is initially set to off To use this function set this to on by referring to Soft Key Menu Setting in 4 10 Control of the Insta...

Page 72: ...on the soft key menu press the soft key 4 to activate the TT function Target acquisition This equipment has automatic acquisition and manual acquisition Manual acquisition Operation with the soft key menu Note Manual acquisition can be operated when Soft key 1 TT Acquisition are selected If the range is switched the acquisitions of targets acquired before switching the range are released when thos...

Page 73: ...t on the AIS or TT symbol Opens the TT soft key it will be acquired If operating with the ENT key when the AIS symbol overlaps the TT symbol the numerical display of AIS symbol takes priority 1 Press the cursor keys to select the target for acquisition with the cursor then press the ENT key An initial acquisition symbol appears and the TT soft key is displayed After one minute elapses the target t...

Page 74: ...oft key 1 TT Release are selected 1 Press the cursor keys to select the target for releasing with the cursor then press the ENT key The target s vectors and symbols disappear and only the radar video remains Target tracking data numerical display Note The numerical display can be operated when Soft key 1 Numerical Data are selected Displaying tracking target data Operation with the soft key menu 1...

Page 75: ...and the numerical display of AIS On the TT symbol Opens the TT soft key and the numerical display of TT Not on the AIS or TT symbol Opens the TT soft key it will be acquired If operating with the ENT key when the AIS symbol overlaps the TT symbol the numerical display of AIS symbol takes priority 1 Press the cursor keys to select the target for numerical display with the cursor then press the ENT ...

Page 76: ...lay until the target is lost and its vector disappears or until another target is designated When the target for the numerical display is set is displayed in the TT list disappears when the target is released Reference If a target with the mark is designated only its true bearing and range will appear until its vector appears Tracking target data is displayed when the soft key 4 is set to TT Detai...

Page 77: ...l is displayed when the tracking target becomes a dangerous target with CPA TCPA decision This is displayed with a circle of thick line This blinks while this is not acknowledged Then it stops blinking when it is acknowledged When there are some dangerous targets targets which is not acknowledged blinks and targets which has been acknowledged does not blink Lost When a tracking target is no longer...

Page 78: ... is initially set to off To use this function set this to on by referring to Soft Key Menu Setting in 4 10 Control of the Installation Manual 1 Select Alarm1 Alarm2 on the soft key menu The soft key menu disappears and Make Zone of the soft key display is color inverted Alarm1 is activated The soft key menu disappears and Make Zone of the soft key display is color inverted Alarm2 is activated Alar...

Page 79: ...radar alarm AZ1 AZ2 Displays the acquisition area Soft key 3 When Alarm1 is selected In Out When Alarm2 is selected In Out Sets the alarm issuing conditions for the radar alarm In An alarm is issued when ship enters Out An alarm is issued when ship departs Soft key 4 When Alarm1 is selected Make Zone When Alarm2 is selected Make Zone Make Zone Make Zone When Make Zone of the soft key menu is selec...

Page 80: ...1 When Alarm1 is selected On When Alarm2 is selected On Soft key 2 When Alarm1 is selected AZ1 When Alarm2 is selected AZ2 The acquisition area is activated An initial acquisition symbol appears for an acquired target After one minute elapses the target tracking symbol is displayed Turning off the automatic acquisition 1 Perform the following settings Soft key 1 When Alarm1 is selected Off When Al...

Page 81: ...larm1 is selected Sector AZ1 When Alarm2 is selected Sector AZ2 The range setting is started for a fan shaped radar alarm acquisition area 2 Press the cursor keys to move the cursor to the first point setting of the start bearing and range then press the ENT key 3 Press the cursor keys to move the cursor to the second point setting of the end range then press the ENT key ...

Page 82: ...on area is determined Reference After the fan shaped radar alarm acquisition area is determined the soft key menu and the soft key display disappears and Alarm1 function is terminated Creating a rectangle shaped radar alarm 1 Perform the following settings Soft key 2 When Alarm1 is selected Rectangle When Alarm2 is selected Rectangle The range setting is started for a rectangle shaped radar alarm ...

Page 83: ... to the first point setting of the start latitude and longitude then press the ENT key 3 Press the cursor keys to move the cursor to the second point setting of the end latitude then press the ENT key 4 Press the cursor keys to move the cursor to the third point setting of the end latitude then press the ENT key ...

Page 84: ... can be changed 1 Select Brilliance on the soft key menu 2 Operate with the soft keys Soft key 1 Day1 Day2 Day3 Dusk Night Display brilliance and panel brilliance are changed in accordance with the setting of Main Menu Brilliance Each time the soft key 1 is pressed when Day1 is displayed above the soft key 1 the setting changes in order of Day2 Day3 Dusk Night If Main Menu Display Color Day1 Soft ...

Page 85: ...ILL Press the soft key 3 to adjust Monitor BRILL at four levels Soft key 4 Not available 2 7 9 ADJUSTING SCANNER There are automatic tuning mode AUTO and manual tuning mode MAN In the automatic tuning mode transmission and receiving frequencies are tuned and adjusted automatically In the manual tuning mode tuning is carried out using the MULTI control 1 Select TUNE PRF on the soft key menu The TUN...

Page 86: ...uning Tuning is adjusted when transmission is started the range is changed or pulse length is changed Soft key 3 PRF Fine Tuning When pressing the soft key 3 PRF Fine Tuning is color inverted The PRF fine tuning screen appears Fine tune the transmitting repetition frequency of the transmitter in the range 90 to 100 If radar s interference patterns are concentrically displayed increment or decremen...

Page 87: ... layout set with the menu Adjust Menu Display Screen Location Change Screen1 Soft key 2 Screen2 The screen changes to the layout set with the menu Adjust Menu Display Screen Location Change Screen2 Soft key 3 Not available Soft key 4 Numerical INFO TT Detail AIS Detail Own AIS INFO MOB INFO Each time you press the soft key 4 when Numerical INFO is set the soft key display toggles in the following ...

Page 88: ... Numerical INFO is displayed above the soft key 4 Numerical INFO which has been set in the menu Screen 1 is displayed If Screen2 has been set in the menu When Numerical INFO is displayed above the soft key 4 Numerical INFO which has been set in the menu Screen 2 is displayed Numerical INFO Numerical INFO ...

Page 89: ... TT Detail When Numerical INFO is displayed above the soft key 4 press the soft key 4 to display TT Detail on the radar screen AIS Detail When TT Detail is displayed above the soft key 4 press the soft key 4 to display AIS Detail on the radar screen TT Detail AIS Detail ...

Page 90: ...FO When AIS Detail is displayed above the soft key 4 press the soft key 4 to display Own AIS INFO on the radar screen MOB INFO When Own AIS INFO is displayed above the soft key 4 press the soft key 4 to display MOB INFO on the radar screen Own AIS INFO MOB INFO ...

Page 91: ...of own ship is always shown on the radar display The heading line is hidden while the TX PRF key is held down so the targets on the heading line can be easily observed 2 7 11 SWITCHING TO TRUE RELATIVE MOTION DISPLAY MODE Switches between true and relative motion display modes Reference The bearing signal input is required to display true motion 1 Select TM RM on the soft key menu The TM RM soft k...

Page 92: ...ay mode the own ship s position on the radar screen moves depending upon its speed and course and the influence of the current Land and other fixed targets are fixed on the radar screen and only actually moving targets move on the radar screen When the true motion display mode is selected the own ship s position is set to 66 of the display radius in the opposite direction to its course allowing fo...

Page 93: ...play N Up C Up 1 Select Bearing Mode on the soft key menu The Bearing Mode soft key display appears 2 Operate with the soft keys Soft key 1 H Up Relative bearing mode Head Up is selected Soft key 2 N Up True bearing mode North Up is selected Soft key 3 C Up Course up bearing mode Course Up is selected Soft key 4 C Up Reset In Course up mode reset the course up display Bearing Mode is color inverte...

Page 94: ...tions relative to the ship s heading line the operator can view the video in the same field of view as in operating the ship at sea This mode is suitable for watching over other ships True Bearing Mode The video is displayed so that the zenith of the PPI 0 on range rings points to the due north Fixed targets do not flicker and are easily identified on the chart and the true bearing of a target can...

Page 95: ... the heading line varies by the same shift of own ship s course To change the course press the soft key 3 several times to select the Course up mode and set a new course 2 7 13 SELECTING TRANSMITTER PULSE LENGTH Switches the transmitter pulse length 1 Select Pulse Length on the soft key menu The Pulse Length soft key display appears 2 Operate with the soft keys Soft key 1 SP1 SP2 SP3 MP1 MP2 LP1 L...

Page 96: ...s are densely crowded Rough sea state due to torrential rain or stormy weather MP The normal transmitter pulse length is set Both range resolution and sensitivity are appropriately set Recommended condition for selection General navigation LP The transmitter pulse length becomes longer and sensitivity improves Small targets are zoomed and are easy to observe When the sea state is bad detection per...

Page 97: ...he own ship s position on the radar screen Soft key 2 Off Center1 Off Center2 Off Center3 Custom Load Position Off Center1 The own ship s position is moved to 66 position of the display radius Off Center2 Te own ship s position is moved to 44 position of the display radius Off Center3 The own ship s position is moved to 22 position of the display radius Custom The own ship s position can be moved ...

Page 98: ...ines Own track Reference This function is initially set to off To use this function set this to on by referring to Soft Key Menu Setting in 4 10 Control of the Installation Manual 1 Select Symbol Display on the soft key menu The Symbol Display soft key display appears 2 Operate with the soft keys Soft key 1 TT Display TT Display Off TT Display The TT symbols are displayed TT Display Off The TT sym...

Page 99: ...he latitude longitude of the location and display the mark Also a straight line from the own ship to the mark is displayed Reference Bearing signal input and latitude longitude data input are required to display MOB This function is initially set to off To use this function set this to on by referring to Soft Key Menu Setting in 4 10 Control of the Installation Manual 1 Select MOB on the soft key ...

Page 100: ... SETTING SYMBOL DISPLAY marks cannot be created This function is initially set to off To use this function set this to on by referring to Soft Key Menu Setting in 4 10 Control of the Installation Manual 1 Select Mark on the soft key menu The Mark soft key display appears 2 Operate with the soft keys Soft key 1 X Y The mark type of a target is changed Soft key 2 Not available Soft key 3 Delete Pres...

Page 101: ...at arbitrary positions on the screen Reference Bearing signal input and latitude longitude data input are required to use lines Up to 200 lines marks can be displayed for lines marks and event marks in total This function is initially set to off To use this function set this to on by referring to Soft Key Menu Setting in 4 10 Control of the Installation Manual 1 Select Line on the soft key menu Th...

Page 102: ...P S TRACK The own ship s track function saves and displays own ship s track If navigation equipment is connected this radar system records latitude longitude data sent from the navigation equipment and displays own ship s track For detail settings of own track clearing own tracks saved data clearing method etc see 2 15 1 DISPLAYING WAYPOINT MARKS Reference Bearing signal input and latitude longitu...

Page 103: ...position of the own ship s track Off This system stops saving the position of the own ship s track 2 7 20 USING EVENT MARKS Displays the event marks Reference Bearing signal input and latitude longitude data input are required to display event marks Up to 200 lines marks can be displayed for lines marks and event marks in total This function is initially set to off To use this function set this to...

Page 104: ...ets that are inside the filter area are displayed setting can be made such that AIS targets outside the AIS filter will not be shown The filter is initially set in a circle having a radius of 20 NM from the own ship s position If 50 or more targets exist in the filter range they are displayed according to the priority explained in AIS Symbols of Section 2 7 5 AIS OPERATIONS Reference Bearing signa...

Page 105: ...this function set this to on by referring to Soft Key Menu Setting in 4 10 Control of the Installation Manual Sets the TLL TX Transmits the TLL sentence of the cursor position on the screen to inform the mark position 1 Select TLL TX on the soft key menu The TLL TX soft key display appears 2 Operate with the soft keys Soft key 1 Off TLL TX Off TLL sentence is not transmitted with the ENT key TLL T...

Page 106: ... key This section describes the operation with the MENU key Keys for operation MENU key Cursor keys MULTI control CLEAR key CLEAR key Press the CLEAR key to return to the upper level MENU Key Operations Example Opening IR 1 Press the MENU key Select one of the menu items with mark then press the ENT key or the cursor key right to display the submenu ...

Page 107: ...MANUAL 2 Press the cursor key down or turn the MULTI control clockwise to select RADAR Echo 3 Press the ENT key the cursor key right or the MULTI control RADAR Echo menu appears Current settings are displayed on the right pane of the menu RADAR Echo is color inverted ...

Page 108: ...e cursor key down or turn the MULTI control clockwise to select IR 5 Press the ENT key the cursor key right or the MULTI control IR menu appears Selectable items are displayed on the right pane of the menu IR is color inverted The current setting is color inverted ...

Page 109: ...t the desired item then press the ENT key or the MULTI control 7 The setting is determined and displayed Closing the menu Repeatedly press the CLEAR key or the cursor key left to return to the upper level and then close the menu screen Select the desired item Setting is determined ...

Page 110: ... Reference After the settings for radar signal processing are changed small targets may not be displayed or unwanted waves may not be suppressed Thus do not make a significant change in the settings 2 9 1 SETTING RADAR INTERFERENCE REJECTION Setting Radar Interference Rejection Use this function to eliminate interference waves from other radars 1 Open RADAR Echo IR IR menu appears Off Interference...

Page 111: ... this mode particularly when resolution is required Level1 Select this mode in general Expands the radar echo area at 1 step for vertical direction and at 1 step for horizontal direction Level2 Select this mode to easily view the radar video Expands the radar echo area at 1 step for vertical direction and at 2 steps for horizontal direction Level3 Select this mode to detect small targets such as b...

Page 112: ... video may be blurred Use this in TM mode Reference The bearing data input is required for video processing 1 Open RADAR Echo Process Process menu appears Off Select this mode in general 3Scan COREL Select this mode when many rain snow clutter returns are detected 4Scan COREL Select this mode to highlight targets while suppressing sea clutter returns 5Scan COREL Select this mode to detect small ta...

Page 113: ... VIDEO LATITUDE Video Latitude Select the dynamic range in which receiving signals are to be shown on the radar display 1 Open RADAR Echo Video Latitude Narrow Narrows the dynamic range at short range Normal Standard setting The dynamic range varies depending on the actual range Short range long range Wide1 Use this mode when rainy weather intensifies unwanted waves The dynamic range is about twic...

Page 114: ...yed like analog signals Level1 Rejects the signals of definitely unwanted waves noise and clutter When detection of targets or unwanted waves is not definite the signals are displayed When detection of targets is definite the signals are displayed Level2 Rejects the signals of definitely unwanted waves noise and clutter When detection of targets or unwanted waves is not definite the signals are re...

Page 115: ...10 MARKER SETTING Sets operations for EBLs parallel cursors cursors and range rings Marker operations 1 Open Marker from the Main Menu Marker menu appears 2 10 1 SETTING OPERATIONS FOR EBLS ELECTRONIC BEARING LINES EBL operations 1 Open Marker EBL1 EBL2 EBL menu appears ...

Page 116: ...f an EBL is moved to a position the starting point can be fixed at the latitude and longitude of that position When the function is set to Screen Fix the starting point of an EBL is fixed on the radar display The starting point is always indicated at the same position on the radar display even when the own ship has moved 1 Open EBL1 EBL2 Floating Floating menu appears Off Floating mode is disabled...

Page 117: ...perations 1 Open Marker Cursor Cursor menu appears Cursor Length Sets the length of the cross cursor mark on the radar display 1 Open Cursor Cursor Length Short Cuts the cross cursor mark in length Long Makes the cross cursor mark twice as long as when Short is selected Cursor Pattern Selects the type of the cross cursor mark on the radar display 1 Open Cursor Cursor Pattern ...

Page 118: ... Cursor Distance Unit NM The distance unit is set to NM km The distance unit is set to km sm The distance unit is set to sm 2 10 3 SETTING RANGE RINGS Displays hides the range rings Setting the range rings 1 Open Marker Range Ring Off The range rings are not displayed On The range rings are displayed ...

Page 119: ...rilliance from the Main Menu Brilliance menu appears Setting each items Sets the brilliance of each item Day1 1 Open Brilliance Day1 Day1 menu appears SoftKey If Off is selected Day1 is not displayed for the Display Screen soft keys 1 Open Day1 SoftKey SoftKey menu appears Off Day1 is not displayed for the Display Screen soft keys On Day1 is displayed for the Display Screen soft keys ...

Page 120: ...PERATIONS 2 11 BRILLIANCE 2 86 Keyboard Unit Brilliance Adjusts the brilliance of operation panel Keyboard Unit Brilliance menu appears Brilliance Adjusts the brilliance of operation panel Brilliance menu appears ...

Page 121: ...1 Open Control from the Main Menu Control menu appears 2 12 1 DISPLAYING TRUE RELATIVE MOTION Sets the bearing standards for the cursor TT AIS and MOB Reference Bearing signal input is required to display true motion Setting Bearing 1 Open Control Bearing True Relative Bearing True Relative menu appears True True bearing mode is selected Relative Relative bearing mode is selected ...

Page 122: ...tting Sets functions that can be performed with the user keys User key items Off No function is assigned to this user key VRM1 Unit The setting can be changed in VRM1 unit on the radar display VRM2 Unit The setting can be changed in VRM2 unit on the radar display Alarm Radar alarms can be set Display Display can be set EBL1 EBL1 on the radar display can be operated EBL2 EBL2 on the radar display c...

Page 123: ...rm goes off the operation panel of the equipment produces a sound to notify users of state changes Adjust the sound volume as follows Buzzer operations 1 Open Control Buzzer Buzzer menu appears Setting volume Sets Key ACK volume Turn the MULTI control to adjust Key ACK volume Key ACK volume can be adjusted between 0 and 255 When 0 is set the volume is turned off Operate the same way for the other ...

Page 124: ...g CPA TCPA Sets the external buzzer for CPA TCPA Off Sets the external buzzer to Off On Sets the external buzzer to On Operate the same way for the other external buzzer settings Reference For details of external buzzer connection refer to 3 10 CONNECTING CONTACT SIGNALS TO EXTERNAL BUZZERS EXTERNAL DEVICES in the INSTALLATION MANUAL ...

Page 125: ...n of all mobile craft constitutes a system with some closed loops regardless of the media through which the mobile craft travels whether air water the boundary between air and water or space This pattern consists of two closed loops in principle one of which is a collision with another mobile craft and the other is a loop of finding a right and safe way to reach a predeterminate destination Fig 2 ...

Page 126: ...h these problems any effective measures are needed and some equipment to achieve collision avoidance requirements have been developed at rapid strides Basic Concept of Collision Avoidance There are two aspects in collision avoidance collision prediction and avoidance Collision prediction is to predict that two or more vessels will happen to occupy the same point at the same time while collision av...

Page 127: ...c as described in the act of prevention of collision at sea can be readily grasped If there is a risk of collision with other ship the operator can determine which rule to be applied and how to operate own ship Fig 2 13 3 Relative Vector and True Vector N T R A O Vo VR VT VO Own ship s speed O Own ship s course VT Other ship s true speed T Target ship s true course VR Target ship s relative speed ...

Page 128: ...r All targets currently acquired are cleared Setting Collision Decision Criteria Set and check collision decision criteria before operating Input the CPA Limit value Turn the MULTI control to set the CPA Limit value The CPA Limit value can be set between 0 1 and 9 9 NM Input the TCPA Limit value Turn the MULTI control to set the TCPA Limit value The TCPA Limit value can be set between 1 and 99 min...

Page 129: ...ce The CPA ring is not displayed when the true vector mode is selected See 2 7 3 SETTING VECTORS to change the settings 2 13 3 SETTING TARGET NUMBER DISPLAY A target ID number is a value displayed beside the target symbol or AIS symbol These numbers are assigned to targets in acquisition order The numbers 1 to 10 are automatically assigned Each target is identified by the assigned ID number until ...

Page 130: ...umbers of TT AIS are not displayed On Target numbers of TT AIS are displayed Reference An ID number is always displayed for only targets with which numeric data is displayed 2 13 4 SETTING TARGET NUMBER ALLOCATION The start number of target can be specified for the target symbol or AIS symbol Target Number Allocation operations 1 Open Target Target Number Allocation Target Number Allocation menu a...

Page 131: ...he start number of target can be adjusted between 0 and 90 AIS The start number of target can be adjusted between 0 and 50 Own Ship s The start number of target can be adjusted between 0 and 99 Cursor The start number of target can be adjusted between 0 and 99 Reference Set the target number of TT AIS not to overlap each other 2 13 5 SETTING AIS ALARM Sets the display of NMEA ALR sentence received...

Page 132: ...to 20 30 The number of AIS display targets is set to 30 40 The number of AIS display targets is set to 40 50 The number of AIS display targets is set to 50 2 13 7 SETTING AIS DESTINATION SHIP DirecTrakTM AIS destination ship is the function to display the user specified ship as the destination If MMSI of AIS target is set the destination ship can be specified Setting AIS Destination Ship 1 Open Ta...

Page 133: ...ieved vessel can be specified Reference AIS retrieved vessel can be set up to 10 vessels AIS Retrieved vessel operations 1 Open Target AIS Retrieved Vessel AIS Retrieved Vessel menu appears MMSI Number Setting 1 Open AIS Retrieved Vessel MMSI Number Setting Retrieved Vessel info 1 Turn the MULTI control to set MMSI number MMSI number can be adjusted between 0 and 999999999 Operate the same way for...

Page 134: ...er to 2 7 21 SETTING AIS FILTER Setting AIS Filter 1 Open Target AIS Filter Turn the MULTI control to set the range for AIS filter The range can be set between 0 and 72 0 NM 2 13 10 TT Target All Clear All TT targets currently acquired are cleared TT Target All Clear 1 Open Target TT Target All Clear All targets currently acquired are cleared ...

Page 135: ...ITION OPERATIONS RADAR Alarm operations 1 Open Main Menu RADAR Alarm RADAR Alarm menu appears Setting Detection Level 1 Open RADAR Alarm RADAR Alarm1 Level RADAR Alarm1 Level menu appears Select Level1 Level2 Level3 or Level4 Operate the same way for the settings of RADAR Alarm2 Level Note Select Level1 Level2 Level3 or Level4 for alarm level When setting to lower level of detection the alarm oper...

Page 136: ...nt the waypoint mark appears on the radar display is indicated as the waypoint mark on the radar display Setting for Waypoint Display 1 Open Plot Waypoint Display Off The waypoint marks are not displayed On The waypoint marks are displayed Waypoint marks are displayed only when NMEA RMB BWC sentences are used to receive Waypoint information Reference To display Numerical INFO of waypoint see 4 13 ...

Page 137: ...Open Plot Own Track Own Track menu appears Clear Own Track Sets to clear the own tracks by specifying color type 1 Open Own Track Clear Own Track Clear Own Track menu appears Clear Own Track Type Specifies the type of the own tracks to be cleared Clear Own Track Clears the own tracks according to the setting of Clear Own Track Color and Clear Own Track Type ...

Page 138: ...d between TX and standby state The timed TX function can set TX time and standby time as desired Timed TX operations 1 Open Main Menu Timed TX Timed TX menu appears Turning on off Timed TX Function Turns on off the timed TX function Off Sets the timed TX function to Off On Sets the timed TX function to On Reference The timed TX function can be turned off only in TX state It cannot be turned off in...

Page 139: ... Time Sets the number of antenna rotation Turn the MULTI control to set the TX time TX time can be adjusted between 0 and 99Scan Setting Standby Time Sets the time for standby state Turn the MULTI control to set the Standby Time The standby time can be adjusted between 0 and 99min ...

Page 140: ...Chapter 2 OPERATIONS 2 16 SETTING TIMED TX 2 106 ...

Page 141: ...ring a port to measure own ship s position in the coastal waters relative to the bearings and ranges of the shore or islands using a chart and to monitor the position and movement of a heavy rain if it appears on the radar display Various types of radar display will be explained below 3 1 RADAR WAVE WITH THE HORIZON Radar beam radiation has the nature of propagating nearly along the curved surface...

Page 142: ...ange of 64 nm on the radar display is required to have a height of 660 m or more b If the height of a target is 10 m the radar range has to be approx 15 nm However the maximum radar range at which a target can be detected on the radar display depends upon the size of the target and the weather conditions that is the radar range may increase or decrease depending upon those conditions ...

Page 143: ...t but also on its material and shape The echo intensity from a higher and larger target is not always higher in general In particular the echo from a coast line is affected by the geographic conditions of the coast If the coast has a very gentle slop the echo from a mountain of the inland appears on the radar display as shown in Fig 3 2 1 Therefore the distance to the coast line should be measured...

Page 144: ...intensity is weak 3 3 2 RAIN AND SNOW CLUTTER Rain and snow clutter is a video image that appears in a location where rain or snow is falling The image changes according to the amount of rain or the amount of snowfall As precipitation increases the image of rain and snow clutter becomes intensified on the radar display and in the case of localized heavy rain an image similar to the image indicatin...

Page 145: ...ing the sea clutter returns in which there may be a part of weak or no returns Such shadows appear always in the same directions which the operator should have in mind in radar operation 3 4 2 SIDE LOBE EFFECT A broken line circular arc may appear at the same range as the main lobe of the radar beam on the radar display This type of false echo can easily be discriminated when a target echo appears...

Page 146: ...depends upon the height of the scanner and the height of a target as described in the Section 3 1 RADAR WAVE WITH THE HORIZON If a so called duct occurs on the sea surface due to a certain weather condition however the radar beam may propagate to a abnormally long distance at which a target may be detected by the radar For instance assuming that the pulse length is MP3 on the repetition frequency ...

Page 147: ... ship a radar interference pattern may appear on the radar display This interference pattern consists of a number of spots which appear in various forms In many cases these spots do not always appear at the same places so that they can be discriminated from the target echoes See Fig 3 4 4 Fig 3 4 4 If radar equipment causing an interference pattern and this radar are of the same model their transm...

Page 148: ...RT on the radar screen 1 Range 6 NM or 12 NM 2 SEA control Turning to the minimum position counterclockwise fully 3 Automatic sea clutter suppression function Off 4 Tuning function Off for less clutter 5 IR Off 6 Processing Off Note When performing the settings 1 to 6 above to display the SART signal targets around own ship will disappear from the radar display So it is necessary to exercise full ...

Page 149: ...ctrocution Turn off the main power before cleaning the equipment Especially when a rectifier is used make sure to turn it off since voltage is still output from the rectifier even after the radar is turned off Failure to comply may result in equipment failure electric shock For operating the radar equipment in the good conditions it is necessary to make the maintenance work as described below If m...

Page 150: ...the radome NKE 2043 When the radome is removed for regular checkup and replacement of parts and refitted after such work the procedures of fastening bolts shall be taken with the following precautions The proper fastening torque of the fitting bolts M5 is 103 N cm 10 5 kgf cm which makes the inside water tight and protects the packings against permanent compressive strain Do not fasten the bolts w...

Page 151: ...rench of 11 mm 13 mm or a double ended wrench of 13 mm 17 mm not longer than 200 mm Screw all the bolts by hand first to prevent them playing then fasten them evenly in order not to cause one sided fastening Fasten the bolts with 25 of the required torque at the first step Fasten the bolts in the diagonal order Radiator Note If the radiator front face radiation plane is soiled with smoke salt dust...

Page 152: ...orn out to a half of the entire length replace it The communicator must be kept clean all the time If carbon dust is stuck and cannot be removed with a dry cloth polish the section with sand paper of No 150 to 400 The carbon brush can be removed by removing the caps on both sides of the bottom of the motor Table 4 2 1 List of replacement carbon brushes Scanner unit model name Item name Model name ...

Page 153: ...o strongly with a dry cloth Also do not use gasoline or thinner to clean the screen Failure to comply will result in damage to the screen surface Dust accumulated on the screen will reduce clarity and darken the video For cleaning it wipe it with a piece of soft cloth flannel or cotton Do not wipe it strongly with a piece of dry cloth nor use gasoline or thinner ...

Page 154: ... Equipment Item to be checked Criteria Remarks Transmitter receiver Unit Tuning LED of Receiver The LED is lighting during operation 48NM range Video and echoes on the screen Sensitivity LCD brilliance can be controlled correctly Various markers Various numerical indications Lighting Can be correctly controlled Safety Switch Various Currents and Voltages See Sensor Test in 4 3 8 SELF TEST Communic...

Page 155: ...tus of this radar equipment can be checked on the Test Menu Test operations 1 Open Test from the Main Menu Test menu appears 4 3 2 SYSTEM INFORMATION Displays the current system information software version information System INFO operations 1 Open Test System Information The software version is displayed ...

Page 156: ...ner Transmit Time Scanner Motor Time Scanner Running Time System Time operations 1 Open Test System Time System Time menu appears 4 3 4 SCANNER INFORMATION Displays the following scanner information Transmitted output power Motor Type Magnetron Current Scanner Information operations 1 Open Test Scanner INFO Scanner Information menu appears ...

Page 157: ...nformation Serial Number MAC Address Temperature Hardware Information operations 1 Open Test Hardware Information Hardware Information menu appears 4 3 6 ERROR LOG The error log displays previously occurred system alarms with the dates and times when they occurred Error Log operations 1 Open Test Error Log Error Log menu appears ...

Page 158: ...4 10 Displaying Error Log 1 Open Error Log Display Error Log menu appears For details of alarms refer to 4 5 1 LIST OF ALARMS AND OTHER INDICATIONS Erasing Error Log 1 Open Error Log Erase Yes Erases the error log No Does not erase the error log ...

Page 159: ...nitor menu appears Receive Data The received serial communication data are displayed Send Data The transmitted serial communication data are displayed Soft key 1 GPS NMEA1 Gyro Compass NMEA2 Keyboard Scanner Press the soft key 1 to select the port for serial communication data Soft key 2 ASCII Binary Press the soft key 2 to switch the display Soft key 3 Stop Play Press the soft key 3 to stop start...

Page 160: ...y Light Test Monitor Display Test Memory Test Line Test Sensor Test Self Test operations 1 Open Test Self Test Key Test 1 Open Self Test Key Test Operation key video will be displayed When pressing each key the corresponding operation key is brightness inverted on the display Press the CLEAR key to turn off the operation keys ...

Page 161: ...itor Display Test 1 Open Self Test Monitor Display Test Pattern1 All colors are filled with white Pattern2 A white box is displayed on the black background of 1024 768 dots Pattern3 Displays rectangle 2 circle 2 and cross shape 9 white lines on the black background Pattern4 Displays H of 9 dots 9 dots on the entire screen white character on the black background Pattern5 Gray scale display 16 level...

Page 162: ...ntrol to set the value The value can be set between 0 and 31 Operate the same way for the other settings Memory Test 1 Open Self Test Memory Test When no abnormality is found OK is displayed When an abnormality is found NG is displayed Note NG is always displayed for USB memory test ...

Page 163: ...MANUAL Line Test 1 Open Self Test Line Test When no abnormality is found OK is displayed When an abnormality is found NG is displayed Sensor Test 1 Open Self Test Sensor Test When no abnormality is found OK is displayed When an abnormality is found NG is displayed ...

Page 164: ...ducting maintenance work without unplugging the power connector may result in electrocution equipment failure or accidents CAUTION Make sure to shut off the main power before replacing parts Failure to comply may result in electrocution or equipment failure When replacing magnetrons make sure to shut off the main power and let the equipment stand for more than 5 minutes to discharge the high volta...

Page 165: ...FF bit of scanner communication data is set 空中線 AZI Scanner AZI Alarm The BP error bit of scanner communication data is set 空中線 HL Scanner HL Alarm The BZ error bit of scanner communication data is set 空中線 変調高圧 Scanner MHV Alarm The high voltage modulator error bit of scanner communication data is set 空中線 無通信 Scanner Time Out Alarm No reply from the scanner after data transmission 空中線 データ Scanner ...

Page 166: ...ceive valid sentences including checksum error which had been received properly ログ 無通信 Log Time Out Alarm For speed equipment log cannot receive valid sentences including checksum error which had been received properly ジャイロ 通信データ GYRO Data Alarm For heading equipment Gyro the GYRO error bit of NSK communication data is set ログ 通信データ Log Data Alarm For speed equipment log the LOG error bit of NSK co...

Page 167: ...ot receive valid steering direction data which had been received properly AIS 無通信 AIS Time Out Alarm For AIS function On cannot receive valid AIS data including checksum error which had been received properly AIS 通信データ AIS Data Alarm For AIS function On cannot receive valid AIS data which had been received properly AIS ｱﾗｰﾑ 001 AIS Alarm 001 Alarm For AIS function On an error from the AIS receiver...

Page 168: ... lost TT 領域外 TT Out of Range Alarm TT is too far to be tracked TT 最大捕捉数 TT Max Target Status Manually acquired when the number of acquisition reached maximum TT 最大捕捉数 TT Max Target Status Detected when DSP tries to acquire 11 targets or more DSP notifies the maximum target alarm occurrence of automatic acquisition to the TT process task then the TT process task notifies it to the alarm task EBL1 V...

Page 169: ...高緯度オーバー LAT Out of Bounds Caution The own ship s latitude is 80 degrees or more indicating that some functions are limited Displays AIS waypoint mark line own ship trail etc for 80 degrees or more Input operations for 80 degrees or more refer to High Latitude alarm 設定されていません Unsetting Status Menu display operations when all soft key menu multi control menu items are turned off Area creation operat...

Page 170: ...sing moving inserting lines Floating position setting for EBL latitude longitude Floating position setting for VRM latitude longitude Floating position setting for parallel cursor latitude longitude AIS numerical display destination ship retrieved vessel selection Creating latitude longitude alarm area TLL transmission for cursor できません Not Allowed Status Operations for inserting by selecting the e...

Page 171: ...splay selection AIS numerical display destination ship retrieved vessel selection Alarm area creation 高緯度オーバー High Latitude Status Operations for the position of latitude 80 degrees or more MOB input Event mark input Inputting moving marks Inputting moving inserting lines Floating position setting for EBL latitude longitude Floating position setting for VRM latitude longitude Floating position set...

Page 172: ...aracteristics Table 4 5 8 shows a list of fuses used in the equipment Table 4 5 8 Fuse List Location Parts No Current Rating Type Application Display Unit F1 6 3A rush resistant ULTSC6 3AN1 Display Unit For DC12V Display Unit F1 3 15A rush resistant ULTSC3 15AN1 Display Unit For DC24V Display Unit F2 6 3A rush resistant ULTSC10AN1 Scanner NKE 2043 4kW DC12V NKE 2063 6kW DC12V 24V Fuse Locations Fu...

Page 173: ...Inter Unit Cables Poor contact in terminal board The cable end is not fully connected that it contacted with earthed another terminal Disconnected cable wire Poor Contact of Connector within Unit Reference This radar equipment is provided with standard included accessories shown in Table 4 6 1 4 6 1 INCLUDED ACCESSORIES Table 4 6 1 Included accessories 7ZXRD0012 Scanner NKE 2043 4kW Name Type Part...

Page 174: ...31 Display unit NCD 2237 Name Type Parts No Code Shape mm Quantity Location Application Fuse ULTSC3 15AN1 F1 1 5ZFCA00033 2 processing unit Display Unit For DC24V Fuse ULTSC6 3AN1 F1 2 5ZFCA00034 3 processing unit Display Unit For DC12V Fuse ULTSC10AN1 F2 5ZFCA00035 2 processing unit For NKE 2043 NKE 2063 Connector LTWBD 06FFA ll7001 P3 5JCDX00032 1 processing unit Mainly for GPS connection Connec...

Page 175: ... V101 Magnetron MSF1421B 5VMAA00092 NJRC Scanner A101 Circulator FCX68R 5AJIX00027 Orient Microwave Scanner A102 Diode Limiter NJS6930 5ATBT00006 NJRC Scanner JMA 2354 Parts No Name Type Code Manufacturer Location V101 Magnetron MSF1422B 5VMAA00090 NJRC Scanner A101 Circulator FCX68R 5AJIX00027 Orient Microwave Scanner A102 Diode Limiter NJS6930 5ATBT00006 NJRC Scanner ...

Page 176: ...t Operation circuit CCK 872 Display Unit Operation circuit CCK 1041 Display Unit Fuse ULTSC6 3AN1 DC12V ULTSC3 15AN1 DC24V F1 means revision such as A B and so on JMA 2354 Location Circuit Block Type Remarks Scanner Motor CBP 218 DC brushless motor Scanner Compound Modulator Circuit CME 386 Excluding Magnetron Scanner Receiver Unit NRG 239 Including CAE 548 Display Unit Processing circuit CDC 1346...

Page 177: ...r free of charge In case that any failure is caused due to misuse faulty operation negligence or force major such as natural disaster and fire the product will be repaired with charges Repair after the Warranty Period If any defective function of the product is recoverable by repair the repair of it will be made at your own charge upon your request Necessary Information for Repair Product name mod...

Page 178: ...Chapter 5 AFTER SALES SERVICE 5 3 RECOMMENDED MAINTENANCE 5 2 Radar Failure Check List ...

Page 179: ... 6 DISPOSAL 6 1 DISPOSAL OF THE UNIT 6 1 6 INSTRUCTION MANUAL Chapter 6 DISPOSAL 6 1 DISPOSAL OF THE UNIT When disposing of this unit be sure to follow the local laws and regulations for the place of disposal ...

Page 180: ...TRON 6 2 6 2 DISPOSAL OF USED MAGNETRON Magnetron is used in the Scanner When the magnetron is replaced with a new one return the used magnetron to our dealer or business office For detail consult with our dealer or business office 6 3 CHINA RoHS ...

Page 181: ... of the range scale in use or less than 15m whichever is larger 8 Bearing Accuracy Less than 1 9 Bearing Indication Head up North up Course up 10 Ambient Condition Standards IEC60945 Ed 4 0 Temperature Scanner Operation 25 to 55 C Storage 25 to 70 C Other Unit except Scanner Operation 15 to 55 C Relative Humidity Entire Unit 40 C 93 Vibration Entire Unit 2 to 13 2 Hz amplitude 1mm 13 2 to 100 Hz 0...

Page 182: ...etron MSF1421B 9 Pulse width Repetition Frequency Bandwidth SP1 0 08μs 4000Hz SP2 0 08μs 2250Hz SP3 0 13μs 1700Hz MP1 0 25μs 1700Hz MP2 0 5μs 1200Hz LP1 0 8μs 750Hz LP2 1 0μs 650Hz 0 125NM 0 08 s 4000Hz SP1 0 25NM 0 08 s 4000Hz SP1 0 5NM 0 08 s 4000Hz SP1 0 25 s 1700Hz MP1 0 75NM 0 08 s 2250Hz SP2 0 25 s 1700Hz MP1 1 5NM 0 08 s 2250Hz SP2 0 25 s 1700Hz MP1 0 5μs 1200Hz MP2 3NM 0 13 s 1700Hz SP3 0 ...

Page 183: ...UCTION MANUAL 12 Intermediate Frequency Amplifier Intermediate Frequency 60MHz Band Width 20MHz 0 08μs 0 13μs 6MHz 0 25 s 3MHz 0 5μs 0 8μs 1 0μs Gain More than 90dB Amplifying Characteristics Logarithmic Amplifier 13 Overall Noise Figure 6dB Average ...

Page 184: ...e Magnetron MSF1422B 9 Pulse width Repetition Frequency Bandwidth SP1 0 08 s 4000Hz SP2 0 08 s 2250Hz SP3 0 13 s 1700Hz MP1 0 25 s 1700 Hz MP2 0 5 s 1200 Hz LP1 0 8μs 750Hz LP2 1 0μs 650Hz 0 125NM 0 08 s 4000Hz SP1 0 25NM 0 08 s 4000Hz SP1 0 5NM 0 08 s 4000Hz SP1 0 25 s 1700Hz MP1 0 75NM 0 08 s 2250Hz SP2 0 25 s 1700Hz MP1 1 5NM 0 08 s 2250Hz SP2 0 25 s 1700Hz MP1 0 5μs 1200Hz MP2 3NM 0 13 s 1700H...

Page 185: ... End Module MIC 12 Intermediate Frequency Amplifier Intermediate Frequency 60MHz Band Width 20MHz 0 08μs 0 13μs 6MHz 0 25 s 3MHz 0 5μs 0 8μs 1 0μs Gain More than 90dB Amplifying Characteristics Logarithmic Amplifier 13 Overall Noise Figure 6dB Average 14 Tune AUTO MANUAL ...

Page 186: ...PI Transition of the radar trails is possible during Off Center mode 11 True Motion Unit Built in 12 True Motion Reset Position 66 of radius of any range 13 Radar trail indication True motion mode Only true motion trails Relative motion mode True motion trails or relative motion trails can be selected Trail time length 15sec 30sec 1min 2min 3min 6min 10min 15min Continuous Arbitrary trail time len...

Page 187: ...nese Chinese Korean Spanish Portuguese French Norwegian 19 LL TD conversion Built in 20 Navigation information during STBY Built in 21 Land mile display Range scale VRM 22 Barge display Displays the own ship and a barge 23 AIS information display MMSI ship name List display Retrieved Vessel WPT setting ...

Page 188: ...distance range RANGE Decreases the distance range USER Registers in the user menu BRILL Adjusts CRT brightness ENT Enter key Selects menu items etc CLEAR Cancels operations MENU Opens closes the menu screen 7 3 3 AIS FUNCTION 1 Screen Number of targets Up to 50 targets stores up to 500 ship static data Target information Select MMSI call sign ship name COG SOG CPA TCPA direction distance latitude ...

Page 189: ... by automatic acquisition zone 2 Tracking 10 targets Automatic tracking 3 Display Tracking data 1 ship AIS or TT Maximum tracking range 20 NM This varies depending on the range Target information Displays items selected from true bearing distance true course true speed CPA TCPA Display of Vectors True Relative ...

Page 190: ...ure MTW Rate of Turn ROT Rudder RSA AIS VDM VDO ALR Direction of wind velocity of wind MWV VWT VWR 2 Bearing signal IEC61162 4800bps 38400bps THS HDT HDG HDM JRC NSK format JLR 20 30 3 Speed signal IEC61162 4800bps VBW VHW 7 4 2 OUTPUT ENABLE SIGNAL 1 Navigation information IEC61162 1 2 Radar data RSD Own ship s data OSD TT data TTM TLL TTD latitude longitude data GGA RMC GNS GLL COG SOG RMC VTG B...

Page 191: ... 5 STANDARD CONFIGURATION 7 11 7 INSTRUCTION MANUAL 7 5 STANDARD CONFIGURATION Scanner 1 unit Display Unit 1 unit Standard included accessories 1 set Instruction manual 1 book Installation manual 1 book Quick instruction 1 book ...

Page 192: ...Chapter 7 SPECIFICATIONS 7 5 STANDARD CONFIGURATION 7 12 ...

Page 193: ...APPENDIX APPENDIX 1 APPENDIX INSTRUCTION MANUAL APPENDIX Fig A1 NKE 2043 SCANNER INTERCONNECTION DIAGRAM ...

Page 194: ...APPENDIX APPENDIX 2 Fig A2 NKE 2063 SCANNER INTERCONNECTION DIAGRAM ...

Page 195: ...APPENDIX APPENDIX 3 APPENDIX INSTRUCTION MANUAL Fig A3 NCD 2237 DISPLAY UNIT INTERCONNECTION DIAGRAM ...

Page 196: ...APPENDIX APPENDIX 4 Fig A4 PRIMARY POWER SUPPLY DIAGRAM TYPE JMA 2300MK2 ...

Page 197: ...APPENDIX APPENDIX 5 APPENDIX INSTRUCTION MANUAL Fig A5 JMA 2353 INTERCONNECTION DIAGRAM ...

Page 198: ...APPENDIX APPENDIX 6 Fig A6 JMA 2354 INTERCONNECTION DIAGRAM ...

Page 199: ...g VRM1 VRM2 Buzzer Key ACK 0 255 Operation Error 0 255 CPA TCPA 0 255 AZ Alarm Zone 0 255 Target Lost 0 255 System Alarm 0 255 Output Buzzer CPA TCPA Off On AZ Alarm Zone Off On Target Lost Off On System Alarm Off On Out of Range Off On Target TT Target All Clear CPA Limit 0 1 9 9NM TCPA Limit 1 99min CPA Ring Off On Target Number Display TT Off On AIS Off On AIS Destination Ship 000000000 9999999...

Page 200: ...tern7 Pattern8 Red 0 31 Green 0 31 Blue 0 31 Display Memory Test Line Test Sensor Test 2 Adjust Menu Basic Adjustment Bearing Adjustment 0 359 9 Range Adjustment 0 999 Tune Adjustment 0 127 Antenna Height 5m 5 10m 10 20m 20m Language English Japanese Chinese traditional Chinese Simplified Vietnamese Indonesian Korean Russian Custom RADAR Echo Noise Level 0 255 Main Bang Suppression Main Bang Suppr...

Page 201: ... RX Port GPS AUTO GYRO Compass GPS NMEA1 NMEA2 Log AUTO GYRO Compass GPS NMEA1 NMEA2 2Log AUTO GYRO Compass GPS NMEA1 NMEA2 Depth AUTO GYRO Compass GPS NMEA1 NMEA2 Temperature AUTO GYRO Compass GPS NMEA1 NMEA2 Wind AUTO GYRO Compass GPS NMEA1 NMEA2 WPT AUTO GYRO Compass GPS NMEA1 NMEA2 Rate of Turn AUTO GYRO Compass GPS NMEA1 NMEA2 Rudder AUTO GYRO Compass GPS NMEA1 NMEA2 TX Port TTM Off GYRO Comp...

Page 202: ...Number 120 138 Send Data Display GPS Receive Status Frequency Baudrate WER Antenna Height Mode SNR RSSI HDOP Geodetic Datum ROM Version LORAN Setting Display Time Zone Off LORAN A LORAN C LORAN A Select 1 1S1 1S2 1S3 1S4 1S6 1L0 1L1 1L4 1L5 2S0 2S1 2S2 2S3 2S4 2S5 2S6 2S7 2H4 2H5 2H6 Select 2 Same as Select 1 TD1 Correction 0 0 9 9 sec TD2 Correction 0 0 9 9 sec LORAN C Chain 4990 5930 5970 5980 5...

Page 203: ...ent Yes No Main Menu Yes No Adjust Menu Yes No System Information 1 Yes No System Information 2 Yes No All Menu Yes No Insert Language Yes No Echo Simulation Yes No Internal Setting Internal Memory to USB RADAR Echo Yes No Basic Adjustment Yes No Main Menu Yes No Adjust Menu Yes No System Information 1 Yes No System Information 2 Yes No All Menu Yes No USB to Internal Memory RADAR Echo Yes No Basi...

Page 204: ...f AXG Course Speed Latitude Longitude Numeric Display 0 Off Own Heading Speed Own AXG Course Speed Own Latitude Longitude ROT Rudder Depth Temperature Relative Wind True Wind Head Waypoint Bearing Distance Waypoint Latitude Longitude Waypoint Arrival Time Cursor Bearing Distance Cursor Latitude Longitude Cursor Arrival Time MOB Bearing Distance MOB Latitude Longitude MOB Arrival Time EBL1 VRM1 EBL...

Page 205: ...arm Sensitivity Off On Sensitivity Time 0 999sec Display Unit HL Alarm Sensitivity Off On Sensitivity Time 0 999sec Display Unit DSP Alarm Sensitivity Off On Sensitivity Time 0 999sec COM Port Alarm Sensitivity Off On Connection Device Panel1 Time Out Alarm Sensitivity Off On Sensitivity Time 0 999sec GYRO Time Out Alarm Sensitivity Off On Sensitivity Time 0 999sec Log Time Out Alarm Sensitivity O...

Page 206: ...Sensitivity Time 0 999sec LAT LON Alarm Sensitivity Off On Sensitivity Time 0 999sec Datum Alarm Sensitivity Off On Sensitivity Time 0 999sec Status Alarm Sensitivity Off On Sensitivity Time 0 999sec HDOP Alarm Sensitivity Off On Sensitivity Time 0 999sec AIS Alarm Sensitivity Off On Sensitivity Time 0 999sec ...

Page 207: ...paired 4 28 Cursor 2 83 Ｄ DirecTrakTM 2 98 DISP Screen 2 53 Display brilliance 2 50 Ｅ EBL 2 22 Electric bearing lines 2 23 2 81 Error log 4 9 Event marks 2 69 Ｆ Fault finding 4 17 Fuse 4 24 Ｈ Hardware information 4 9 Ｉ Included accessories 4 25 Ｌ Line monitor 4 11 Lines 2 67 Ｍ Maintenance 4 1 Major parts 4 16 Marker 2 81 Marking 2 66 MOB 2 65 Ｏ Own ship s display position 2 63 Own ship s track 2 6...

Page 208: ...2 1 Sea clutter 2 8 Self test 4 12 Sensitivity adjustment 2 6 Soft key 2 14 Special parts 4 27 Symbol DISP 2 64 System information 4 7 System time 4 8 Ｔ Target number display 2 95 Timed TX 2 104 TLL TX 2 71 Transmitter pulse length 2 61 Trouble shooting 4 25 True relative motion 2 57 2 87 TT 2 36 Ｕ User key 2 88 Ｖ Vector 2 26 2 95 VRM 2 24 Ｗ Waypoint mark 2 102 ...

Page 209: ......

Page 210: ...MSTERDAM Branch Telephone Facsimile e mail 31 20 658 0750 31 20 658 0755 service jrceurope com SEATTLE Branch Telephone Facsimile e mail 1 206 654 5644 1 206 654 7030 marineservice jrcamerica com CODE No 7ZPRD0845 CODE No 7ZPRD0845 MAR 2012 Edition 1 JRC MAR 2012 Edition 1 JRC Not use the asbestos For further information contact URL http www jrc co jp ...

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