Japan Radio NKE2043 MARINE RADAR User Manual NKE2063UserMan

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Chapter 3TRUE AND FALSE ECHOES ON DISPLAY 3.1RADAR WAVE WITH THE HORIZON 3-13INSTRUCTION MANUAL Chapter 3TRUE AND FALSE ECHOES ON DISPLAYThe radar operator has a role of interpreting the radar displays to provide his best aid in maneuvering the ship. For this purpose, the operator has to observe the radar displays after fully understanding the advantages and disadvantages that the radar has. For better interpretation of radar display, it is important to gain more experiences by operating the radar equipment in fair weathers and comparing the target ships watched with the naked eyes and their echoes on the radar display. The radar is mainly used to monitor the courses of own ship and other ships in open seas, to check buoys and other nautical marks when entering 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 of the earth. The propagation varies with the property of the air layer through which the radar beam propagates. In the normal propagation, the distance (D) of the radar wave to the horizon is approximately 10% longer than the distance to the optical horizon. The distance (D) is given by the following formula: D=2.23(h1 + h2)(nm) h1: Height (m) of radar scanner above sea level h2: Height (m) of a target above sea level Fig. 3.1-1 is a diagram for determining the maximum detection range of a target that is limited by the curve of the earth surface in the normal propagation. Fig. 3.1-1 

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.

Chapter 3TRUE AND FALSE ECHOES ON DISPLAY 3.2REFLECTION FROM TARGET 3-33INSTRUCTION MANUAL 3.2 REFLECTION FROM TARGET The signal intensity reflected from a target depends not only on the height and size of the target 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 carefully. Fig. 3.2-1 

Chapter 3TRUE AND FALSE ECHOES ON DISPLAY 3.3SEA CLUTTER AND RAIN AND SNOW CLUTTER 3-43.3 SEA CLUTTER AND RAIN AND SNOW CLUTTERIn addition to the echo required for observing ships and land radar video image also includes unnecessary echo, such as reflection from waves on the sea surface and reflection from rain and snow. Reflection from the sea surface is called "sea clutter," and reflection from rain and snow is called "rain and snow clutter," and those spurious waves must be eliminated by the clutter rejection function. 3.3.1 SEA CLUTTER Sea clutter appears as an image radiating outwardly from the center of the radar display and changing depending on the size and the shape of waves. Generally, as waves become larger, image level of the sea clutter is intensified and the clutter far away is also displayed. When waves are large and the sea clutter level is high, it is difficult to distinguish sea clutter from a small boat whose reflection 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 indicating land is displayed in some cases. Furthermore, because radio waves tend to attenuate due to rain and snow, the ability to detect a target in the rain and snow clutter or a target beyond the rain and snow clutter may decrease 3.3.3 COPING WITH SEA CLUTTER AND RAIN AND SNOW CLUTTERWhen the weather is bad and the ocean is rough, reducing the pulse width will reduce the influence by spurious waves, and also the spurious wave rejection function effectively works; therefore, the use of short pulse is effective when the weather is bad. By using image processing functions "3Scan COREL" to "5Scan COREL", it is expected that spurious waves are further suppressed. Since optimal settings for those items can be automatically made by using the function mode, it is recommended that STORM or RAIN be used by selecting the function mode when the weather is bad. For details of the function mode, see Section "2.14 FUNCTION KEY SETTINGS". However, these functions may make some targets invisible, particularly targets with higher speeds.

Chapter 3TRUE AND FALSE ECHOES ON DISPLAY 3.4FALSE ECHOES 3-53INSTRUCTION MANUAL 3.4 FALSE ECHOES The radar observer may be embarrassed with some echoes that do not exist actually. These false echoes appear by the following causes that are well known: 3.4.1 SHADOWWhen the radar scanner is installed near a funnel or mast, the echo of a target that exists in the direction of the funnel or mast cannot appear on the radar display because the radar beam is reflected on the funnel or mast. Whether there are some false echoes due to shadows can be checked monitoring 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 isolated.(See Fig. 3.4-1.) Fig. 3.4-1 3.4.3 FALSE ECHO BY SECONDARY REFLECTION When a target exists near own ship, two echoes from the single target may appear on the radar display. One of those echoes is the direct echo return from the target and the other is the secondary reflection return from a mast or funnel that stands in the same direction as shown in Fig. 3.4-2.

Chapter 3TRUE AND FALSE ECHOES ON DISPLAY 3.4FALSE ECHOES 3-6Fig. 3.4-2 Radar scannerFunnelHLDirect microwaveSecondary reflectionof microwaveActual targetFalse echo from funnel 3.4.4 FALSE ECHO BY MULTIPLE REFLECTION When there is a large structure or ship with a high vertical surface near own ship as shown in Fig. 3.4-3, multiple refection returns may appear on the radar display. These echoes appear in the same intervals, of which the nearest echo is the true echo of the target.Fig. 3.4-3 3.4.5 SECOND TIME ECHOES The maximum radar detection range 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 of 1400 Hz), the first pulse is reflected from a target at about 58 NM or more and received during the next pulse repetition time. In this case, a false echo (second time echo) appears at a position that is about 58 NM shorter than the actual distance. If the false echo appears at 5 NM on the radar display, the true distance of the target is 5+58=63 NM. On the pulse

Chapter 3TRUE AND FALSE ECHOES ON DISPLAY 3.4FALSE ECHOES 3-73INSTRUCTION MANUAL length is SP1 (on the repetition frequency of 2250 Hz), a false echo may appear at a position that is about 36 NM shorter than the actual distance. This type of false echo can be discriminated by changing over the range scale (the repetition frequency), because the distance of the target changes accordingly. If second time echo is appeared, the use of Economy mode in PRF menu is effective. Otherwise, Stagger Trigger menu set to on. (Refer to Section "4.6 SCANNER" of INSTALLATION MANUAL.) 3.4.6 RADAR INTERFERENCE When another radar equipment using the same frequency band as that on own ship is near own 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 transmitting repetition frequency is nearly the same. As a result, interference patterns may be displayed concentrically. In this case, the interference patterns cannot be eliminated by using only the interference reflector function, so press the [TX/PRF] key several times to fine-tune the transmitting repetition frequency. An interference suppressing effect can be heightened by applying a different transmitting repetition frequency to the interference pattern source radar and this radar.

Chapter 3TRUE AND FALSE ECHOES ON DISPLAY 3.5DISPLAY OF RADAR TRANSPONDER (SART) 3-83.5 DISPLAY OF RADAR TRANSPONDER (SART)The SART (Search and rescue Radar Transponder) is a survival device authorized by the GMDSS (Global Maritime Distress and Safety System), which is used for locating survivors in case that a distress accident occurs at sea. The SART is designed to operate in the 9 GHz frequency band. When receiving the 9 GHz radar signal (interrogating signal) transmitted from the radar equipment on a rescue ship or search aircraft, the SART transmit a series of response signals to inform the distress position to the rescue and search party. Perform the following settings to display SART 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: z 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 surveillance over the conditions around own ship by visual watch in order to avoid any collision or stranding. If two or more sets of radar equipment are installed on own ship, use one set of 9 GHz band radar for detection of the SART signal and operate others as normal radars for avoiding collision, monitoring targets around own ship, and checking on own ship's position and avoidance of stranding. After the detection of SART signal, the radar adjustment is required for general navigation.

Chapter 4MAINTENANCE4.1ROUTINE MAINTENANCE 4-14INSTRUCTION MANUAL Chapter 4 MAINTENANCE 4.1 ROUTINE MAINTENANCE DANGERNever carry out internal inspection or repair work of the equipment by users. Inspection or repair work by unauthorized personnel may result in fire hazard or electric shock. For inspection and repair work of equipment components, consult with our branch office, branch shop, sales office, or our distributor in your district. When conducting maintenance, make sure to turn the main power off.Failure to comply may result in electrocution. 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 outputted from the rectifier even after the indicator and the radar are turned off. Failure to comply may result in equipment failure, or death or serious injury due to electric shock. For operating the radar equipment in the good conditions, it is necessary to make the maintenance work as described below. If maintenance is made properly, troubles will reduce. It is recommended to make regular maintenance work. Common points of maintenance for each unit are as follow: Clean the equipment. Remove the dust, dirt, and sea water rest on the equipment cabinet with a piece of dry cloth. Especially, clean the air vents with a brush for good ventilation.

Chapter 4MAINTENANCE4.2MAINTENANCE ON EACH UNIT 4-24.2 MAINTENANCE ON EACH UNIT 4.2.1 SCANNER UNIT NKE-2042, 2043, 2062/HS, 2063/HS, 2103-4/4HS/6/6HSDANGERWhen conducting maintenance work on the antenna, make sure to turn its main power off. Failure to comply may result in electrocution or injuries. Make sure to turn off the antenna operation switch. Failure to comply may result in injuries caused by physical contact with the rotating antenna. Do not touch the radiator. Even if the power is turned off, the radiator may be rotated by the wind. After the work, turn "ON" the scanner unit safety switch.  Precautions in Mounting the Cover When the cover 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: yThe proper fastening torque of the fitting bolts (M8) is 1176 to 1470 N•cm (120 to 150kgf•cm) (which makes the inside water-tight and protects the packings against permanent compressive strain). The packings start producing from the cover at a torque of approximately 1470N•cm (150kgf•cm). Do not fasten the bolts with a torque exceeding the specified value. Otherwise, the screws may be broken. yUse an offset wrench of 11 mm × 13 mm or a double-ended wrench of 13 mm × 17 mm (not longer than 200 mm). yScrew 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. ճնձմյղNKE-2042 Cover Bolt Tightening Procedure 4-M5 (stainless steel) bolt Tightening torque: 120 to 150 kgf/cm

Chapter 4MAINTENANCE4.2MAINTENANCE ON EACH UNIT 4-34INSTRUCTION MANUAL մճղձմ ճղձձղճմ NKE-2063/HS Cover Bolt Tightening Procedure 4-M8 (stainless steel) bolt Tightening torque: 120 to 150 kgf/cm ճնձմյղNKE-2043 Cover Bolt Tightening Procedure 4-M5 (stainless steel) bolt Tightening torque: 120 to 150 kgf/cm NKE-2103-4/4HS/6/6HS Cover Bolt Tightening Procedure 4-M8 (stainless steel) bolt Tightening torque: 120 to 150 kgf/cm NKE-2062 Cover Bolt Tightening Procedure 4-M8 (stainless steel) bolt Tightening torque: 120 to 150 kgf/cm

Chapter 4MAINTENANCE4.2MAINTENANCE ON EACH UNIT 4-4 Radiator Note: z If the radiator front face (radiation plane) is soiled with smoke, salt, dust, paint or birds’ droppings, wipe it with a piece of soft cloth wetted with alcohol or water and try to keep it clean at all times. Otherwise, radar beam radiation may attenuate or reflect on it, resulting in deterioration of radar performance. z Never use solvents of gasoline, benzine, trichloroethylene and ketone for cleaning. Otherwise, the radiation plane may deteriorate. Check up and clean the radiator.  Rotating section Oiling gears Apply grease evenly to the tooth surfaces of the main shaft drive gear and the encoder drive gear with a spreader or brush. Oiling in short intervals is more effective to prevent the gears from wear and tear and extend their service life, but oil at least every six months. Use the grease of Mobilux 2 of Mobil Oil. Driving motor i) Attenuator Greasing is not necessary unless there is oil leakage. ii) Motor The life span of the brush itself is 2000 hours. When the brush is worn 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. Carbon brush Communicator contact sideSpring

Chapter 4MAINTENANCE4.2MAINTENANCE ON EACH UNIT 4-54INSTRUCTION MANUAL Table 4.2-1 List of replacement carbon brushes Scanner unit model name Item name Model name JRC code Replacement quantity JMA-3316 Carbon brush 54531-01 BRXP05247 2 JMA-3336 Carbon brush 54531-01 BRXP05247 2 Mounting legs Check the mounting legs and mounting bolts of the scanner unit case for corrosion at intervals and maintain them to prevent danger. Apply paint to them once a half year because painting is the best measure against corrosion. 4.2.2 DISPLAY UNIT NCD-2182 WARNINGWhen cleaning the display screen, do not wipe it too 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.

Chapter 4MAINTENANCE4.3PERFORMANCE CHECK 4-64.3 PERFORMANCE CHECK Make operational check on the radar equipment regularly and if any problem is found, investigate it immediately. Pay special attention to the high voltage sections in checking and take full care that no trouble is caused by any error or carelessness in measurement. Take note of the results of checking, which can be used effectively in the next check work. Operational check shall be made in accordance with Table 4.3-1 Function Check List in the order as specified in it. Table 4.3-1 Function Check List Equipment Item to be checked Criteria RemarksTransmitter-receiver Unit Tuning LED of Receiver The LED is lighting during operation 48NM rangeVideo and echoes on the screenSensitivity LCD brilliance can be controlled correctly Various markers Various numerical indications Lighting Can be correctly controlled Safety Switch Various Currents and VoltagesSee "■ Sensor Test" in "4.3.8 SELF TEST".Communication Lines See "■ Line Test" in "4.3.8 SELF TEST". Memory See "■ Memory Test" in "4.3.8 SELF TEST".Panel See "■ Key Test" in "4.3.8 SELF TEST". Checking the Monitor See "■ Monitor Display Test" in "4.3.8 SELF TEST". Magnetron Current See "4.3.4 SCANNER INFORMATION". Error Logging Display See 4.3.6 ERROR LOG. Display Unit System Information Display See 4.3.2 SYSTEM INFORMATION and 4.3.3 SYSTEM TIME.

Chapter 4MAINTENANCE4.3PERFORMANCE CHECK 4-74INSTRUCTION MANUAL 4.3.1 TEST MENU The performance status of this radar equipment can be checked on the Test Menu.  "Test" operations 1Open Test from the Main Menu. "Test" menu appears. 4.3.2 SYSTEM INFORMATION Displays the current system information (software version information).  "System INFO" operations 1Open Test - System Information . The software version is displayed.

Chapter 4MAINTENANCE4.3PERFORMANCE CHECK 4-84.3.3 SYSTEM TIME Displays the following system time information. yIndicator Running Time yScanner Transmit Time yScanner Motor Time yScanner Running Time  "System Time" operations 1Open Test - System Time . "System Time" menu appears. 4.3.4 SCANNER INFORMATION Displays the following scanner information. yTransmitted output power yMotor Type yMagnetron Current  "Scanner Information" operations 1Open Test - Scanner INFO . "Scanner Information" menu appears.

Chapter 4MAINTENANCE4.3PERFORMANCE CHECK 4-94INSTRUCTION MANUAL 4.3.5 HARDWARE INFORMATION Displays the following hardware information. ySerial Number yMAC Address yTemperature  "Hardware Information" operations 1Open 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 1Open Test - Error Log . "Error Log" menu appears.

Chapter 4MAINTENANCE4.3PERFORMANCE CHECK 4-10 Displaying Error Log 1Open 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 1Open Error Log - Erase .  Yes : Erases the error log. No : Does not erase the error log.

Chapter 4MAINTENANCE4.3PERFORMANCE CHECK 4-114INSTRUCTION MANUAL 4.3.7 LINE MONITOR Serial communication data can be seen on the built-in Line monitor. Line monitor can be used to make sure that the serial data are received properly.  "Line Monitor" operations 1Open Test - Line Monitor . "Line Monitor" 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 scrolling. Soft key 4: Clear Press the soft key 4 to clear all listed serial communication data.

Chapter 4MAINTENANCE4.3PERFORMANCE CHECK 4-124.3.8 SELF TEST The following tests can be performed. yKey Test yBuzzer Test yKey Light Test yMonitor Display Test yMemory Test yLine Test ySensor Test  "Self Test" operations 1Open Test - Self Test . 

Chapter 4MAINTENANCE4.3PERFORMANCE CHECK 4-134INSTRUCTION MANUAL  Key Test 1Open Self Test - Key Test . Operation key video will be displayed. When pressing each key, the corresponding operation key is color-inverted on the display.Press the [CLEAR] key to turn off the operation keys.  Buzzer Test 1Open Self Test - Buzzer Test . The buzzer will sound. The buzzer automatically stops after it sounds for a certain time. The buzzer will sound regardless of the buzzer setting.  Key Light Test 1Open Self Test - Key Light Test . The brightness of the operation panel is gradually intensified.

Chapter 4MAINTENANCE4.3PERFORMANCE CHECK 4-14 Monitor Display Test 1Open 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 levels) Pattern6 : Displays a color bar. Pattern7 : The square figure of a specified RGB value is shown at the center of the display. Input the value. Turn the [MULTI] control to set the value. The value can be set between 0 and 31. Operate the same way for the other settings.

Chapter 4MAINTENANCE4.3PERFORMANCE CHECK 4-154INSTRUCTION MANUAL  Memory Test 1Open Self Test - Memory Test . When no abnormality is found, "OK" is displayed. When an abnormality is found, "NG" is displayed. Reference:More time may be required for USB detection in order to acquire "OK". Do not remove USB during memory test.  Line Test 1Open Self Test - Line Test . When no abnormality is found, "OK" is displayed. When an abnormality is found, "NG" is displayed.

Chapter 4MAINTENANCE4.3PERFORMANCE CHECK 4-16 Sensor Test 1Open Self Test - Sensor Test . When no abnormality is found, "OK" is displayed. When an abnormality is found, "NG" is displayed.

Chapter 4MAINTENANCE4.4REPLACEMENT OF MAJOR PARTS 4-174INSTRUCTION MANUAL 4.4 REPLACEMENT OF MAJOR PARTS The system includes parts that need periodic replacement. The parts should be replaced as scheduled. Use of parts over their service life can cause a system failure. WARNINGDirect exposure to electromagnetic waves at close range will have adverse effects on the human body. When it is necessary to get close to the antenna for maintenance or inspection purposes, make sure to turn the indicator power switch to "OFF" or "STBY." Direct exposure to electromagnetic waves at close range will have adverse effects on the human body. 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. Some equipment components can carry electrical current even after the power switch is turned off, and conducting maintenance work without unplugging the power connector may result in electrocution, equipment failure, or accidents. CAUTIONMake 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-voltage circuit. Failure to comply may result in electrocution. Make sure to take off your watch when your hand must get close to the magnetron. Failure to comply may result in damage to the watch since the magnetron is a strong magnet. Do not directly touch the inverter circuit of the LCD display with a bare hand since high voltage temporarily remains in the circuit even after the main power is shut off. Failure to comply may result in electrocution.

Chapter 4MAINTENANCE4.4REPLACEMENT OF MAJOR PARTS 4-18 Parts Required for Periodic Replacement Here are parts required for periodic replacement. Part name Interval 1. Magnetron 4,000 hours 2. Motor 10,000 hours 3. LCD backlight 50,000 hours 4. Fan motor 20,000 hours

Chapter 4MAINTENANCE4.5FAULT FINDING 4-194INSTRUCTION MANUAL 4.5 FAULT FINDING In case of semiconductor circuits, it is deemed that there are few cases in which the used semiconductor devices have inferior quality or performance deterioration except due to insufficient design or inspection or by other external and artificial causes. In general, the relatively many causes are disconnection in a high-value resistor due to moisture, a defective variable resistor and poor contact of a switch or relay. Some troubles are caused by defective parts, imperfect adjustment (such as tuning adjustment) or insufficient service (such as poor cable contact). It will also be effective to check and readjust these points. 4.5.1 LIST OF ALARMS AND OTHER INDICATIONS If any of the following alarm occurs, the system displays the alarm message in red in order to attract the attention of operator. Other messages are displayed with the suitable color which is yellow or blue depending on the level of message importance. Alarm: Red ࣭Collision-related Alarm ࣭Navigation Alarm ࣭System Alarm Caution: Yellow ࣭System Warning Status: Blue ࣭Operation Information The following table shows alarms and other indications the system displays. Table 4.5-1 Alarm list Alarm name (Japanese)Alarm name (English) Class Description㆙ሗ࢚࣮ࣛ Alarm Error Alarm Cannot send the alarm because of insufficient message buffer for alarm task. Table 4.5-2 Alarm list of system alarm: scanner Alarm name (Japanese)Alarm name (English) Class Description✵୰⥺ Ᏻ඲ SW ࢜ࣇ Scanner(SSW Off) Alarm The safety switch OFF bit of scanner communication data is set. ✵୰⥺ AZI Scanner(AZI) Alarm The BP error bit of scanner communication data is set. ✵୰⥺ HL Scanner(HL) Alarm The BZ error bit of scanner communication data is set. ✵୰⥺ ኚㄪ㧗ᅽ Scanner(MHV) Alarm The high-voltage modulator error bit of scanner communication data is set. ✵୰⥺ ↓㏻ಙ Scanner(Time Out) Alarm No reply from the scanner after data transmission.

Chapter 4MAINTENANCE4.5FAULT FINDING 4-20Alarm name (Japanese)Alarm name (English) Class Description✵୰⥺ ࢹ࣮ࢱ Scanner(Data) Alarm Collision occurs when transmitting data to the scanner. Checksum of the received data is different. ✵୰⥺ EEPROM Scanner(EEPROM) Alarm Stored value error is returned from the scanner when the initial adjustment data is requested. The save operation is not completed when data save is requested to scanner EEPROM. ✵୰⥺ ࣄ࣮ࢱ㟁ᅽ Scanner(Heater) Alarm The MAG heater voltage error bit of scanner communication data is set. ✵୰⥺ ㏫ᅇ㌿ Scanner(Reverse) Alarm The reverse rotation alarm bit of scanner communication data is set.✵୰⥺ ࣅࢹ࢜ Scanner(Video) Alarm The VIDEO error bit of scanner communication data is set. ✵୰⥺ ࢺ࣮ࣜ࢞ Scanner(Trigger) Alarm The TRIGGER error bit of scanner communication data is set. ✵୰⥺ ࣇ࢓ࣥ 1 Scanner(Fan 1) Alarm The FAN error bit (FAN 1) of scanner communication data is set.✵୰⥺ ࣇ࢓ࣥ 2 Scanner(Fan 2) Alarm The FAN error bit (FAN 2) of scanner communication data is set.✵୰⥺ ࣮ࣔࢱ㟁ὶ Scanner(Motor) Alarm The motor current error of scanner communication data is set. Table 4.5-3 Alarm list of system alarm: display unit Alarm name (Japanese)Alarm name (English) Class Description᧯స㒊 1↓㏻ಙ Keyboard1(Time Out) Alarm No reply from the control panel after data transmission. ᧯స㒊 2↓㏻ಙ Keyboard2(Time Out) Alarm No reply from the control panel after data transmission. DSP ࣅࢹ࢜ DSP(Video) Alarm DSP detects VIDEO error. DSP ࢺ࣮ࣜ࢞ DSP(Trigger) Alarm DSP cannot receive TI interrupt. DSP AZI DSP(AZI) Alarm DSP cannot receive BP interrupt. DSP HL DSP(HL) Alarm DSP cannot receive BZ interrupt. DSP ฎ⌮␗ᖖ DSP Error Alarm Abnormal operation (infinite loop) of DSP. Table 4.5-4 Alarm list of system alarm: external equipment communication Alarm name (Japanese)Alarm name (English) Class DescriptionGPS ࣏࣮ࢺ GPS Port Alarm Serial driver error occurs during COM1 port communication. Gyro/Compass ࣏࣮ࢺ Gyro/Compass Port Alarm Serial driver error occurs during COM2 port communication. NMEA1 ࣏࣮ࢺ NMEA1 Port Alarm Serial driver error occurs during COM3 port communication. NMEA2 ࣏࣮ࢺ NMEA2 Port Alarm Serial driver error occurs during COM4 port communication. Keyboard ࣏࣮ࢺ Keyboard Port Alarm Serial driver error occurs during COM5 port communication. Scanner ࣏࣮ࢺ Scanner Port Alarm Serial driver error occurs during COM6 port communication. ࢪࣕ࢖ࣟ ↓㏻ಙ GYRO(Time Out) Alarm For heading equipment=Gyro, cannot receive valid sentences (including checksum error) which had been received properly.

Chapter 4MAINTENANCE4.5FAULT FINDING 4-214INSTRUCTION MANUAL Alarm name (Japanese)Alarm name (English) Class Descriptionࣟࢢ ↓㏻ಙ Log(Time Out) Alarm For speed equipment=log, cannot receive valid sentences (including checksum error) which had been received properly. ࢪࣕ࢖ࣟ ㏻ಙࢹ࣮ࢱ GYRO(Data) Alarm For heading equipment=Gyro, the GYRO error bit of NSK communication data is set. ࣟࢢ ㏻ಙࢹ࣮ࢱ Log(Data) Alarm For speed equipment=log, the LOG error bit of NSK communication data is set. 㔪㊰ ↓㏻ಙ Heading(Time Out) Alarm For heading equipment=compass, cannot receive valid NMEA bearing sentences (including checksum error) which had been received properly. 㔪㊰㏻ಙࢹ࣮ࢱ Heading(Data) Alarm For heading equipment=compass, cannot receive valid NMEA bearing data which had been received properly. 2㍈ᑐᆅ ↓㏻ಙ 2AXG(Time Out) Alarm For speed equipment=2-axis log, cannot receive valid VBW sentences (including checksum error) which had been received properly. 2㍈ᑐᆅ ㏻ಙࢹ࣮ࢱ 2AXG(Data) Alarm For speed equipment=2-axis log, cannot receive valid VBW ground data which had been received properly. GPS ࢚࣮ࣛ GPS(Error) Status Failed to set GPS. GPS ↓㏻ಙ GPS(Time Out) Alarm Cannot receive valid GPS sentences (including checksum error) which had been received properly. GPS ఩⨨ࢹ࣮ࢱ GPS(Position) Alarm Cannot receive valid position data which had been received properly GPS ᆅ⣔ࢹ࣮ࢱ GPS(Datum) Alarm Cannot receive valid geodetic data which had been received properly GPS ㏿ᗘࢹ࣮ࢱ GPS(Speed) Alarm For speed equipment=GPS, cannot receive valid speed data which had been received properly GPS ఩≧ែ GPS(Status) Alarm Received GPS fixing status error (invalid) data Ỉ῝ ↓㏻ಙ Depth(Time Out) Alarm Cannot receive valid depth sentences (including checksum error) which had been received properly Ỉ῝ ㏻ಙࢹ࣮ࢱ Depth(Data) Alarm Cannot receive valid depth data which had been received properlyỈ ↓㏻ಙ TEMP(Time Out) Alarm Cannot receive valid water temperature sentences which had been received properly Ỉ ㏻ಙࢹ࣮ࢱ TEMP(Data) Alarm Cannot receive valid water temperature data which had been received properly 㢼ྥ㢼㏿ ↓㏻ಙ Wind(Time Out) Alarm Cannot receive valid wind direction/wind velocity sentences (including checksum error) which had been received properly 㢼ྥ㢼㏿㸦┿㸧㏻ಙ㺡㺼㺎㺞 Wind True(Data) Alarm Cannot receive valid water temperature data after valid wind direction/wind velocity (true) data had been received properly

Chapter 4MAINTENANCE4.5FAULT FINDING 4-22Alarm name (Japanese)Alarm name (English) Class Description㢼ྥ㢼㏿㸦┦㸧㏻ಙ㺡㺼㺎㺞 Wind Relative(Data) Alarm Cannot receive valid water temperature data after valid wind direction/wind velocity (relative) data had been received properly ᅇ㢌⋡ ↓㏻ಙ Turn(Time Out) Alarm Cannot receive valid turning ratio sentences (including checksum error) which had been received properly ᅇ㢌⋡ ㏻ಙࢹ࣮ࢱ Turn(Data) Alarm Cannot receive valid turning ratio data which had been received properly ⯦ゅ ↓㏻ಙ Rudder(Time Out) Alarm Cannot receive valid steering direction sentences (including checksum error) which had been received properly ⯦ゅ㏻ಙࢹ࣮ࢱ Rudder(Data) Alarm Cannot receive valid steering direction data which had been received properly AIS ↓㏻ಙ AIS(Time Out) Alarm For AIS function=On, cannot receive valid AIS data (including checksum error) which had been received properly AIS ㏻ಙࢹ࣮ࢱ AIS(Data) Alarm For AIS function=On, cannot receive valid AIS data which had been received properly AIS 㺏㺵㺎㺯 001 AIS(Alarm 001) Alarm For AIS function=On, an error from the AIS receiver is received (ALR)AIS 㺏㺵㺎㺯 002 AIS(Alarm 002) Alarm For AIS function=On, an error from the AIS receiver is received (ALR)AIS 㺏㺵㺎㺯 003 AIS(Alarm 003) Alarm For AIS function=On, an error from the AIS receiver is received (ALR)AIS 㺏㺵㺎㺯 004 AIS(Alarm 004) Alarm For AIS function=On, an error from the AIS receiver is received (ALR)AIS 㺏㺵㺎㺯 005 AIS(Alarm 005) Alarm For AIS function=On, an error from the AIS receiver is received (ALR)AIS 㺏㺵㺎㺯 006 AIS(Alarm 006) Alarm For AIS function=On, an error from the AIS receiver is received (ALR)AIS 㺏㺵㺎㺯 008 AIS(Alarm 008) Alarm For AIS function=On, an error from the AIS receiver is received (ALR)AIS 㺏㺵㺎㺯 025 AIS(Alarm 025) Alarm For AIS function=On, an error from the AIS receiver is received (ALR)AIS 㺏㺵㺎㺯 026 AIS(Alarm 026) Alarm For AIS function=On, an error from the AIS receiver is received (ALR)AIS 㺏㺵㺎㺯 029 AIS(Alarm 029) Alarm For AIS function=On, an error from the AIS receiver is received (ALR)AIS 㺏㺵㺎㺯 030 AIS(Alarm 030) Alarm For AIS function=On, an error from the AIS receiver is received (ALR)

Chapter 4MAINTENANCE4.5FAULT FINDING 4-234INSTRUCTION MANUAL Alarm name (Japanese)Alarm name (English) Class DescriptionAIS 㺏㺵㺎㺯 032 AIS(Alarm 032) Alarm For AIS function=On, an error from the AIS receiver is received (ALR)AIS 㺏㺵㺎㺯 035 AIS(Alarm 035) Alarm For AIS function=On, an error from the AIS receiver is received (ALR)Table 4.5-5 Notification list Alarm name (Japanese)Alarm name (English) Class Descriptionࢪࣕ࢖ࣟタᐃ Set Gyro Status Requires setting of true bearing. ࡲࡶ࡞ࡃ TM ࣜࢭࢵࢺ TM Reset Status For TM, the own ship position is out of 60% of the radius of PPI. ᶵෆ ᗘୖ᪼ High Temperature Caution Adjusting the LCD brilliance due to internal temperature control. GPS ఩⢭ᗘపୗ GPS(HDOP) Caution Received excessive HDOP value beyond the setting. Table 4.5-6 Radar alarm list Alarm name (Japanese)Alarm name (English) Class Description㺸㺎㺞㺼㺎㺏㺵㺎㺯 1㐍ධ Area1(Approach) Alarm Echo in area 1. 㺸㺎㺞㺼㺎㺏㺵㺎㺯 2㐍ධ Area2(Approach) Alarm Echo in area 2. 㺸㺎㺞㺼㺎㺏㺵㺎㺯 1㞳⬺ Area1(Secession) Alarm No echo in area 1 㺸㺎㺞㺼㺎㺏㺵㺎㺯 2㞳⬺ Area2(Secession) Alarm No echo in area 2 㺸㺎㺞㺼㺎㺏㺵㺎㺯 1㡿ᇦእ Area1(Out of Range) Alarm yRectangle area 1 is out of range yCreation of area 1 is out of range 㺸㺎㺞㺼㺎㺏㺵㺎㺯 2㡿ᇦእ Area2(Out of Range) Alarm yRectangle area 1 is out of range yCreation of area 2 is out of range TT ༴㝤┠ᶆ TT(CPA/TCPA) Alarm TT is changed to a dangerous ship TT ᪂つ┠ᶆ TT(New Target) Alarm TT is automatically acquired TT ┠ᶆࣟࢫࢺ TT(Lost) Alarm TT is lost TT 㡿ᇦእ TT(Out of Range) Alarm TT is too far to be tracked TT ᭱኱ᤕᤊᩘ TT(Max Target) Status Manually acquired when the number of acquisition reached maximum TT ᭱኱ᤕᤊᩘ 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/VRM1 㡿ᇦእ EBL/VRM1(Out) Status The floating position of EBL1/VRM1 in the latitude/longitude floating setting is out of the radius of PPI EBL2/VRM2 㡿ᇦእ EBL/VRM2(Out) Status The floating position of EBL2/VRM2 in the latitude/longitude floating setting is out of the radius of PPI

Chapter 4MAINTENANCE4.5FAULT FINDING 4-24Alarm name (Japanese)Alarm name (English) Class Descriptionᖹ⾜⥺࣮࢝ࢯࣝ㡿ᇦእ P-CURS(Out) Status The floating position of the parallel cursor in the latitude/longitude floating setting is out of the radius of PPI Table 4.5-7 Error message list and alarm list for operations Alarm name (Japanese)Alarm name (English) Class Description᪉఩ࢹ࣮ࢱ↓ࡋ No Heading Data Status Cannot function because own ship heading is not available yOperations for specifying TT acquisition/numerical display yChanging to TM yChanging to N Up/C Up ࣉࣜࣄ࣮ࢺ୰࡛ࡍ On Preheating Status Transmission operation during preheating ᧯స㛫㝸ࡀ▷࠸࡛ࡍ Short Interval Status Transmission operation in the interval of 1 second or less between standby and transmission ࢚࣮ࣛⓎ⏕୰࡛ࡍ Error Occurring Status Transmission operation during prohibition of transmission caused by scanner error ᭱኱Ⅼᩘ࡛ࡍ Max Point Status Exceeded the maximum number of marks ࣇ࢓࢖ࣝ↓ࡋ File Not Found Status File does not exists እ㒊࣓ࣔࣜ↓ࡋ USB Memory Not Set Status USB memory does not exists ࣇ࢓࢖ࣝㄞ㎸ࡳኻᩋ File Read Error Caution Failed to load the file ࣇ࢓࢖ࣝ᭩ฟࡋኻᩋ File Write Error Caution Failed to write the file ✵ᐜ㔞୙㊊ Not Enough Space Status Insufficient capacity ࣇ࢛࣮࣐ࢵࢺኻᩋ Format Error Caution Failed to format ࣇ࢓࢖ࣝᩘ࣮࢜ࣂ࣮ Num of files Over Caution Writing data to the USB memory in which the number of the file has reached to the maximum ࣇ࢓࢖ࣝ๐㝖ኻᩋ File Erase Error Caution Failed to delete the file デ᩿⤖ᯝ NG Self Test NG Caution Diagnosis NG ⮬⯪㧗⦋ᗘ࣮࢜ࣂ࣮ LAT(Out of Bounds) Caution The own ship's latitude is 80 degrees or more (indicating that some functions are limited) yDisplays AIS, waypoint, mark/line, own ship trail, etc. for 80 degrees or more yInput operations for 80 degrees or more (refer to "High Latitude" alarm)

Chapter 4MAINTENANCE4.5FAULT FINDING 4-254INSTRUCTION MANUAL Alarm name (Japanese)Alarm name (English) Class Descriptionタᐃࡉࢀ࡚࠸ࡲࡏࢇ Unsetting Status yMenu display operations when all soft key menu/multi control menu items are turned off yArea creation operations for alarm class=Off yEBL bearing setting while EBL is off yFloating setting while EBL/VRM is off yVRM range setting while VRM is off yBearing/width setting while parallel cursor is off yManual tuning setting while automatic tuning is on yAIS operations while AIS function is off yTT operations while TT function is off yOperations to display the weather information while no observation point is selected ᭱኱ࣞࣥࢪ࡛ࡍ MAX Range Scale Status Range up operations at the maximum range ᭱ᑠࣞࣥࢪ࡛ࡍ MIN Range Scale Status Range down operations at the minimum range ↓ຠ್࡛ࡍ Invalid Data Status Cannot function due to invalid value yInvalid code is input for the code input screen ᧯స୰࡛ࡍ In Operation Status This operation is disabled due to another operation ySetting enable/disable and class during alarm area creation ySetting operations for on/off and floating position during EBL bearing setting ySetting operations for on/off and bearing during EBL floating position setting yOperations for on/off during VRM range setting yOperations for on/off, mode and saving during off center custom position setting yOperations for PRF tuning during manual tuning operations ySetting for automatic/manual mode during manual tuning operations yOperations for manual tuning during PRF tuning operation

Chapter 4MAINTENANCE4.5FAULT FINDING 4-26Alarm name (Japanese)Alarm name (English) Class Description᪉఩/⦋ᗘ⤒ᗘ ↓ࡋ No HDG/POSN Data Status Cursor operations when own heading or latitude/longitude is disabled yMOB input yEvent mark input yInputting/erasing/moving marks yInputting/erasing/moving/inserting lines yFloating position setting for EBL latitude/longitude. yFloating position setting for VRM latitude/longitude. yFloating position setting for parallel cursor latitude/longitude yAIS numerical display/destination ship/retrieved vessel selection yCreating latitude/longitude alarm area. yTLL transmission for cursor. ࡛ࡁࡲࡏࢇ Not Allowed Status yOperations for inserting by selecting the end point in the line list. yOperations for switching to H-UP during TM (When heading is not available, temporarily changed to RM-HUp, therefore, message is disabled.) タᐃ୙ྍ࡞ࣞࣥࢪ࡛ࡍ Range Scale Limit Status Operations functionally restricted for certain range. yZoom operations in range where zoom is not available. yOff center operations in range where off center is not available.yTM setting operations in range where TM setting is not available. ࢹ࣮ࢱࡀ࠶ࡾࡲࡏࢇ No Valid Data Status Operations without data. yDisplaying history menu without history data. yOperations for editing/erasing in the mark list while there is no mark. yOperations for editing/erasing/inserting in the line list while there is no line.

Chapter 4MAINTENANCE4.5FAULT FINDING 4-274INSTRUCTION MANUAL Alarm name (Japanese)Alarm name (English) Class Descriptionࢫࢱࣥࣂ࢖୰࡛ࡍ Scanner Standby Status The functions which are available only during transmitting are operated during standby (or preheating). ySetting Timed TX to on. Cursor operations during standby (no graphic display is available).yCustom position setting for off center. yInputting/erasing/moving marks yInputting/erasing/moving/inserting lines yFloating position setting for EBL. yFloating position setting for VRM. yFloating position setting for parallel cursor. yTT acquisition/release/numerical display selection. yAIS numerical display/destination ship/retrieved vessel selection yAlarm area creation 㧗⦋ᗘ࣮࢜ࣂ࣮ High Latitude Status Operations for the position of latitude 80 degrees or more. yMOB input yEvent mark input yInputting/moving marks yInputting/moving/inserting lines yFloating position setting for EBL latitude/longitude. yFloating position setting for VRM latitude/longitude. yFloating position setting for parallel cursor latitude/longitude. yCreating latitude/longitude alarm area. ↓ຠ࡞ࣂ࣮ࢪ࡛ࣙࣥࡍ Invalid Version Status Program is loading a file with an incompatible version. yInternal Setting yMarks/lines yOwn track yOption languages ySTC curve yColorFlash ROM ␗ᖖ Flash ROM Error Alarm Initialization error of flash ROM file system during startup. USB ␗ᖖ USB Error Alarm Initialization error of USB during startup.

Chapter 4MAINTENANCE4.5FAULT FINDING 4-284.5.2 FUSE CHECKING Melted fuses are caused by any clear cause. When a fuse is replaced, it is necessary to check the related circuits even if there is no trouble. In checking, note that there is some dispersion in the fusing characteristics. Table 4.5-8 shows a list of fuses used in the equipment. Table 4.5-8 Fuse List Location Parts No. CurrentRating Type Protection Circuit Application Display Unit F1 10A MF60NR 250V 10 I/F circuit Display Unit NCD-2182Display Unit F2 6.3A ST4-6.3AN1 I/F circuit Scanner NKE-2042(4kW) NKE-2043(4kW) NKE-2062(6kW) NKE-2063(6kW) (For DC12V) for the compound modulator Display Unit F2 3.15A ST4-3.15AN1 I/F circuit Scanner NKE-2042(4kW) NKE-2043(4kW) NKE-2062/HS(6kW) NKE-2063/HS(6kW) (For DC24V) for the compound modulator Display Unit F2 5A ST4-5AN1 I/F circuit Scanner NKE-2103-4/4HS/6/6HS (10kW) for the modulator Display Unit F3 5A ST4-5AN1 I/F circuit Scanner NKE-2103-4/4HS/6/6HS (6kW) for the motor Display Unit F3 10A ST6-10AN1 I/F circuit Scanner NKE-2103-4/4HS/6/6HS (10kW) for the power supply to motor

Chapter 4MAINTENANCE4.5FAULT FINDING 4-294INSTRUCTION MANUAL  Fuse Locations Fuse locations are shown below. F3F1F2

Chapter 4MAINTENANCE4.6TROUBLE SHOOTING 4-304.6 TROUBLE SHOOTING As this radar equipment includes complicated circuits, it is necessary to request a specialist engineer for repair or instructions for remedy if any circuit is defective. There are also troubles by the following causes, which should be referred to in checking or repair work. zPoor Contact in Terminal Board of Inter-Unit Cables yPoor contact in terminal board yThe cable end is not fully connected, that it, contacted with earthed another terminal. yDisconnected cable wire zPoor 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-2042 (4kW) Name/Type Parts No. Code Shape (mm) Quantity Location ApplicationFuse ST4-6.3AN1 F2 5ZFCA00051 4Insideprocessing unit (DC12V)For the modulatorFuse ST4-3.15AN1 F2 5ZFCA00047 4 Insideprocessing unit (DC24V)For the modulator7ZXRD0012 : Scanner NKE-2043 (4kW) Name/Type Parts No. Code Shape (mm) Quantity Location ApplicationFuse ST4-6.3AN1 F2 5ZFCA00051 4Insideprocessing unit (DC12V)For the compound modulatorFuse ST4-3.15AN1 F2 5ZFCA00047 4 Insideprocessing unit (DC24V)For the compound modulator31.86.3531.86.3531.86.3531.86.35

Chapter 4MAINTENANCE4.6TROUBLE SHOOTING 4-314INSTRUCTION MANUAL 7ZXRD0013 : Scanner NKE-2062/HS (6kW) Name/Type Parts No. Code Shape (mm) Quantity Location ApplicationFuse ST4-6.3AN1 F2 5ZFCA00051 4Insideprocessing unit NKE-2062(DC12V)For the modulatorFuse ST4-3.15AN1 F2 5ZFCA00047 4 Insideprocessing unit NKE-2062/HS(DC24V)For the modulatorFuse ST4-5AN1 F3 5ZFCA00050 4 Insideprocessing unit NKE-2062/HSFor the scanner motor Carbon brush 54531-01 – BRXP05247 2 Scanner For the scanner motor 7ZXRD0013 : Scanner NKE-2063/HS (6kW) Name/Type Parts No. Code Shape (mm) Quantity Location ApplicationFuse ST4-6.3AN1 F2 5ZFCA00051 4 Insideprocessing unit NKE-2063(DC12V)For the compound modulatorFuse ST4-3.15AN1 F2 5ZFCA00047 4 Insideprocessing unit NKE-2063/HS(DC24V)For the compound modulatorFuse ST4-5AN1 F3 5ZFCA00050 4 Insideprocessing unit NKE-2063/HSFor the scanner motor Carbon brush 54531-01 – BRXP05247 2 Scanner For the scanner motor 7ZXRD0026 : Scanner NKE-2103-4/4HS/6/6HS (10kW) Name/Type Parts No. Code Shape (mm) Quantity Location ApplicationFuse ST4-5AN1 F2 5ZFCA00050 4 Insideprocessing unit For the modulatorFuse ST6-10AN1 F3 5ZFCA00053 4 Insideprocessing unit For the power supply to motor32.08.031.86.3531.86.3531.86.3531.86.3531.86.3531.86.3531.86.3531.86.3532.08.0

Chapter 4MAINTENANCE4.6TROUBLE SHOOTING 4-327ZXRD0028 : Display unit NDC-2182 Name/Type Parts No. Code Shape (mm) Spare Location Application Connector LTWBD-06BFFA-LL7001 P3 5JCDX00032 1Insideprocessing unitMainly for GPS connection Connector LTWBD-08BFFA-LL7001 P5 5JCDX00034 1 Insideprocessing unitMainly for connecting course equipment such as a GPS compass Connector LTWBD-07BFFA-LL7001 P6 5JCD00033 1Insideprocessing unitFor AIS connection For connecting other external devices when the AIS is not used For acquiring 2-axis logs, current data, and wind direction data 44.018.044.018.044.018.0

Chapter 4MAINTENANCE4.6TROUBLE SHOOTING 4-334INSTRUCTION MANUAL 4.6.2 SPECIAL PARTS Table 4.6-2 Special Parts JMA-3314Parts No. Name Type Code Manufacturer Location V201 Magnetron MSF1421B 5VMAA00049 NJRC Scanner A101 Circulator FCX68 6AJRD00001 Toshiba Scanner A102 Diode Limiter NJS6930 5EZAA00024 NJRC Scanner JMA-3334Parts No. Name Type Code Manufacturer Location V101 Magnetron MSF1421B 5VMAA00092 NJRC Scanner A101 Circulator FCX68R 5AJIX00027 OrientMicrowave ScannerA102 Diode Limiter NJS6930 5ATBT00006 NJRC Scanner JMA-3316/HSParts No. Name Type Code Manufacturer Location V101 Magnetron MSF1422B 5VMAA00068 NJRC Scanner A101 Circulator FCX68 6AJRD00001 Toshiba Scanner A102 Diode Limiter NJS6930 5EZAA00024 NJRC Scanner JMA-3336/HSParts No. Name Type Code Manufacturer Location V101 Magnetron MSF1422B 5VMAA00090 NJRC Scanner A101 Circulator FCX68R 5AJIX00027 OrientMicrowave ScannerA102 Diode Limiter NJS6930 5ATBT00006 NJRC Scanner JMA-3340-4/4HS/6/6HS Parts No. Name Type Code Manufacturer Location V101 Magnetron MAF1565N 5VMAA00102 NJRC Scanner A101/A102 Circulator FCX68R 5AJIX00027 OrientMicrowave ScannerA103 Dummy NJC4002 5ANDF00001 NJRC Scanner A104 Filter NJC9952 5AWAX00002 NJRC Scanner A301 Diode Limiter NJS6930 5ATBT00006 NJRC Scanner

Chapter 4MAINTENANCE4.6TROUBLE SHOOTING 4-344.6.3 CIRCUIT BLOCK TO BE REPAIRED Table 4.6-3 Circuit Block to be Repaired JMA-3314Location Circuit Block Type Remarks Scanner Motor unit 7BDRD0023* Scanner Modulation circuit CME-322 Scanner Receiver CAE-475 Display Unit Processing circuit CDC-1346BR Display Unit I/F circuit CMH-2235 Display Unit I/F circuit CQC-1262 Display Unit Operation circuit CCK-991 Display Unit Operation circuit CCK-1017 Display Unit Fuse MF60NR 250V 10 F1 "*" means revision, such as A, B and so on. JMA-3334Location Circuit Block Type Remarks Scanner Motor 7BDRD0052* Scanner Compound Modulator Circuit CME-385 Scanner Receiver Unit NRG-239 Including CAE-548 Display Unit Processing circuit CDC-1346BR Display Unit I/F circuit CMH-2235 Display Unit I/F circuit CQC-1262 Display Unit Operation circuit CCK-991 Display Unit Operation circuit CCK-1017 Display Unit Fuse MF60NR 250V 10 F1 "*" means revision, such as A, B and so on.

Chapter 4MAINTENANCE4.6TROUBLE SHOOTING 4-354INSTRUCTION MANUAL JMA-3316/HSLocation Circuit Block Type Remarks Scanner Motor with gear CBP-169 DC brushless motor Scanner Modulator CME-339 Excluding Magnetron Scanner Receiver NRG-226 Including CAE-475-1 Display Unit Processing circuit CDC-1346BR Display Unit I/F circuit CMH-2235 Display Unit I/F circuit CQC-1262 Display Unit Operation circuit CCK-991 Display Unit Operation circuit CCK-1017 Display Unit Fuse MF60NR 250V 10 F1 JMA-3336/HSLocation 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-1346BR Display Unit I/F circuit CMH-2235 Display Unit I/F circuit CQC-1262 Display Unit Operation circuit CCK-991 Display Unit Operation circuit CCK-1017 Display Unit Fuse MF60NR 250V 10 F1 JMA-3340-4/4HS/6/6HS Location Circuit Block Type Remarks Scanner Motor with gear 7BDRD0048* DC brushless motor Scanner Modulation circuit CME-363 Excluding Magnetron Scanner Receiver NRG-610 Including CAE-529-1 Scanner Power supply circuit CBD-1783 Scanner Encoder CHT-71A Scanner Motor control power circuit CBD-1779 Display Unit Processing circuit CDC-1346BR Display Unit I/F circuit CMH-2235 Display Unit I/F circuit CQC-1262 Display Unit Operation circuit CCK-991 Display Unit Operation circuit CCK-1017 Display Unit Fuse MF60NR 250V 10 F1 "*" means revision, such as A, B and so on.

Chapter 4MAINTENANCE4.6TROUBLE SHOOTING 4-36

Chapter 5AFTER-SALES SERVICE 5.1KEEPING PERIOD OF MAINTENANCE PARTS 5-15INSTRUCTION MANUAL Chapter 5AFTER-SALES SERVICE 5.1 KEEPING PERIOD OF MAINTENANCE PARTS Keeping period of maintenance parts is ten years from the production is discontinued. 5.2 WHEN YOU REQUEST FOR REPAIR If you suppose the product may be out of order, read the description in "4.5 FAULT FINDING" and "4.6 TROUBLE SHOOTING", and check the suspected point again. If it is still out of order, you are recommended to stop operation of the equipment and consult with the dealer from whom you purchased the product, or our branch office in your country or district, the sales department in our main office in Tokyo. z Repair within the Warranty Period If any failure occurs in the product during its normal operation in accordance with the instruction manual, the dealer or JRC will repair 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. z 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.z Necessary Information for Repair ۼ Product name, model, manufacturing date and serial number ۼ Trouble conditions (as detailed as possible. Refer to page 5-2 "■ Radar Failure Check List".) ۼ Name of company/organization, address and telephone number 5.3 RECOMMENDED MAINTENANCE The performance of the product may deteriorate due to the secular change of the parts used in it, though such deterioration depends upon the conditions of operation. So checkup and maintenance is recommendable for the product in addition to your daily care.For maintenance, consult with the near-by dealer or our sales department. Such maintenance will be made with charges. For further details of after-sale service, contact the JRC Offices.

Chapter 5AFTER-SALES SERVICE 5.3RECOMMENDED MAINTENANCE 5-2 Radar Failure Check List

Chapter 6DISPOSAL6.1DISPOSAL OF THE UNIT 6-16INSTRUCTION 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.

Chapter 6DISPOSAL6.2DISPOSAL OF USED MAGNETRON 6-26.2 DISPOSAL OF USED MAGNETRON Magnetron is used in the Scanner (NKE-2103). zWhen 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 

Chapter 7SPECIFICATIONS 7.1GENERAL SPECIFICATIONS 7-17INSTRUCTION MANUAL Chapter 7 SPECIFICATIONS 7.1 GENERAL SPECIFICATIONS (1) Class of Emission P0N (2) Display Color Raster Scan (3) Display capability VGA (4) Screen 10.4-inch Color LCD Effective diameter of radar echo, more than 150 mm (5) Range Scale 0.125, 0.25, 0.5, 0.75, 1.5, 3, 6, 12, 24, 48, 72 NM User can add 0.0625, 1, 2, 4, 8, 16, 32 or 64 NM. * Off Center is not available at 64, 72NM. (6) Range Resolution Less than 30m (7) Minimum Detective Range Less than 40m (8) Range Accuracy Less than 1% of the maximum distance of the range scale in use or less than 15m whichever is larger (9) Bearing Accuracy Less than 1° (10) Bearing Indication Head-up, North-up, Course-up (11) 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 0.7 G Velocity of the wind 51.5m/s (100kn) Waterproof/dustproof Scanner IP26 Display Unit IP55 (front panel) (12) Power Supply Input DC+24V (All models, cable length of 30m or less) DC+12V (4 kW/6 kW models, cable length of 20m or less)

Chapter 7SPECIFICATIONS 7.1GENERAL SPECIFICATIONS 7-2(13) Power Consumption In calm wind: Approx. 60W (NKE-2042) Approx. 60W (NKE-2043) Approx. 85W (NKE-2062) Approx. 85W (NKE-2063) Approx. 85W (NKE-2062HS) Approx. 85W (NKE-2063HS) Approx. 100W (NKE-2103-4) Approx. 100W (NKE-2103-4HS) Approx. 100W (NKE-2103-6) Approx. 100W (NKE-2103-6HS) Maximum (Velocity of the wind: 100 kn): Approx. 60W (NKE-2042) Approx. 60W (NKE-2043) Approx. 230W (NKE-2062) Approx. 180W (NKE-2063) Approx. 230W (NKE-2062HS) Approx. 230W (NKE-2063HS) Approx. 360W (NKE-2103-4) Approx. 360W (NKE-2103-4HS) Approx. 360W (NKE-2103-6) Approx. 360W (NKE-2103-6HS) (14) Range of power supply voltage fluctuation +10.8 to 41.6 VDC (Display Unit) (4kW/6kW) +21.6 to 31.2 VDC (Display Unit) (6kWHS/10kW/10kWHS) (15) Pre-heating Time Approx. Within 1min30sec (16) Scanner Refer to Scanner Specifications (17) Display unit Refer to Display Unit Specifications (18) Inter-Unit Cables Using common scanner connecting cable CFQ-6912-** Maximum cable length: 30 m

Chapter 7SPECIFICATIONS 7.2SCANNER7-37INSTRUCTION MANUAL 7.2 SCANNER7.2.1 NKE-2042(1) Dimensions Height 275mmDiameter of radome 620mm (2) Mass Approx. 10.5kg (3) Polarization Horizontal Polarization (4) Directional Characteristic Horizontal Beam Width (-3dB): 2° Vertical Beam Width (-3dB): 25° Sidelobe Level: -21dB or less (less than ±10° from the main lobe) (5) Rotation Approx. 27rpm (NKE-2042) (6) Peak Power 4 kW (7) Transmitting Frequency 9410 r30MHz(8) Transmitting Tube Magnetron [MSF1421B] (9) Pulse width/Repetition Frequency (Bandwidth) SP: 0.08Ps/2250 Hz MP1: 0.25Ps/1700 Hz, MP2: 0.5Ps/1200 Hz LP1: 1.0Ps/650 Hz 0.125NM 0.08Ps/2250Hz (SP) 0.25NM 0.08Ps/2250Hz (SP) 0.5NM 0.08Ps/2250Hz (SP) 0.25Ps/1700Hz (MP1) 0.75NM 0.08Ps/2250Hz (SP) 0.25Ps/1700Hz (MP1) 1.5NM 0.08Ps/2250Hz (SP) 0.25Ps/1700Hz (MP1) 3NM 0.25Ps/1700Hz (MP1) 0.5Ps/1200Hz (MP2) 6NM 0.5s/1200Hz (MP2) 1.0Ps/650Hz (LP1) 12NM 1.0s/650Hz (LP1) 24NM 1.0s/650Hz (LP1) 48NM 1.0s/650Hz (LP1) (10) Duplexer Circulator + Diode Limiter (11) Front End Module MIC (12) Intermediate Frequency Amplifier Intermediate Frequency: 60MHz Band Width: 20MHz (0.08Ps) 6MHz (0.25Ps, 0.5Ps) 3MHz (1.0Ps)Gain: More than 90dB Amplifying Characteristics: Logarithmic Amplifier (13) Overall Noise Figure 6dB (Average)

Chapter 7SPECIFICATIONS 7.2SCANNER7-47.2.2 NKE-2043(1) Dimensions Height 275mmDiameter of radome 620mm (2) Mass Approx. 10kg (3) Polarization Horizontal Polarization (4) Directional Characteristic Horizontal Beam Width (-3dB): 4° Vertical Beam Width (-3dB): 25° Sidelobe Level: -21dB or less (less than ±10° from the main lobe) (5) Rotation Approx. 27rpm (NKE-2043) (16/20/24/27/30/36/42/48rpm can be set) (6) Peak Power 4 kW (7) Transmitting Frequency 9410 r30MHz(8) Transmitting Tube Magnetron [MSF1421B] (9) Pulse width/Repetition Frequency (Bandwidth) SP1: 0.08s/4000Hz, SP2: 0.08s/2250Hz, SP3: 0.13s/1700HzMP1: 0.25s/1700Hz, MP2: 0.5s/1200Hz LP1: 0.8s/750Hz, LP2: 1.0s/650Hz0.125NM 0.08Ps/4000Hz (SP1) 0.25NM 0.08Ps/4000Hz (SP1) 0.5NM 0.08Ps/4000Hz (SP1) 0.25Ps/1700Hz (MP1) 0.75NM 0.08Ps/2250Hz (SP2) 0.25Ps/1700Hz (MP1) 1.5NM 0.08Ps/2250Hz (SP2) 0.25Ps/1700Hz (MP1) 0.5s/1200Hz (MP2) 3NM 0.13Ps/1700Hz (SP3) 0.25Ps/1700Hz (MP1) 0.5s/1200Hz (MP2) 6NM 0.5s/1200Hz (MP2) 0.8Ps/750Hz (LP1) 1.0s/650Hz (LP2) 12NM 0.5s/1200Hz (MP2) 0.8s/750Hz (LP1) 1.0s/650Hz (LP2) 24NM 1.0s/650Hz (LP2) 48NM 1.0s/650Hz (LP2) 72NM 1.0s/650Hz (LP2) (10) Duplexer Circulator + Diode Limiter (11) Front End Module MIC (12) Intermediate Frequency Amplifier Intermediate Frequency: 60MHz Band Width: 20MHz (0.08s, 0.13s) 6MHz (0.25Ps) 3MHz (0.5s, 0.8s, 1.0s)Gain: More than 90dB Amplifying Characteristics: Logarithmic Amplifier (13) Overall Noise Figure 6dB (Average)

Chapter 7SPECIFICATIONS 7.2SCANNER7-57INSTRUCTION MANUAL 7.2.3 NKE-2062/HS(1) Dimensions Height 432mmSwing Circle 1220mm (2) Mass Approx. 24kg (3) Polarization Horizontal Polarization (4) Directional Characteristic Horizontal Beam Width (-3dB): 2° Vertical Beam Width (-3dB): 30° Sidelobe Level: -23dB or less (less than ±10° from the main lobe) -26dB or less (±10° or more from the main lobe) (5) Rotation Approx. 27rpm (NKE-2062) Approx. 48rpm (NKE-2062HS)(6) Peak Power 6 kW (7) Transmitting Frequency 9410 r30MHz(8) Transmitting Tube Magnetron [MSF1422B] (9) Pulse width/Repetition Frequency (Bandwidth) SP: 0.08Ps/2250 Hz MP1: 0.25Ps/1700 Hz, MP2: 0.5Ps/1200 Hz LP1: 1.0Ps/650 Hz 0.125NM 0.08Ps/2250Hz (SP) 0.25NM 0.08Ps/2250Hz (SP) 0.5NM 0.08Ps/2250Hz (SP) 0.25Ps/1700Hz (MP1) 0.75NM 0.08Ps/2250Hz (SP) 0.25Ps/1700Hz (MP1) 1.5NM 0.08Ps/2250Hz (SP) 0.25Ps/1700Hz (MP1) 3NM 0.25Ps/1700Hz (MP1) 0.5Ps/1200Hz (MP2) 6NM 0.5Ps/1200Hz (MP2) 1.0s/650Hz (LP1) 12NM 1.0Ps/650Hz (LP1) 24NM 1.0Ps/650Hz (LP1) 48NM 1.0Ps/650Hz (LP1) 72NM 1.0Ps/650Hz (LP1) (10) Duplexer Circulator + Diode Limiter (11) Front End Module MIC (12) Intermediate Frequency Amplifier Intermediate Frequency: 60MHz Band Width: 20MHz (0.08Ps) 6MHz (0.25Ps, 0.5Ps) 3MHz (1.0Ps)Gain: More than 90dB Amplifying Characteristics: Logarithmic Amplifier

Chapter 7SPECIFICATIONS 7.2SCANNER7-6(13) Overall Noise Figure 6dB (Average) (14) Tune AUTO/MANUAL

Chapter 7SPECIFICATIONS 7.2SCANNER7-77INSTRUCTION MANUAL 7.2.4 NKE-2063/HS(1) Dimensions Height 419.5mmSwing Circle 1220mm (2) Mass Approx. 21kg (3) Polarization Horizontal Polarization (4) Directional Characteristic Horizontal Beam Width (-3dB): 2° Vertical Beam Width (-3dB): 30° Sidelobe Level: -23dB or less (less than ±10° from the main lobe) -26dB or less (±10° or more from the main lobe) (5) Rotation Approx. 27rpm (NKE-2063) (16/17.4/19/20.6/22.2/23.8/25.4/27rpm can be set) Approx. 48rpm (27/36/48rpm can be set) (6) Peak Power 6 kW (7) Transmitting Frequency 9410 r30MHz(8) Transmitting Tube Magnetron [MSF1422B] (9) Pulse width/Repetition Frequency (Bandwidth) SP1: 0.08Ps/4000Hz, SP2: 0.08Ps/2250Hz, SP3: 0.13Ps/1700HzMP1: 0.25Ps/1700 Hz, MP2: 0.5Ps/1200 Hz LP1: 0.8s/750Hz, LP2: 1.0s/650Hz0.125NM 0.08Ps/4000Hz (SP1) 0.25NM 0.08Ps/4000Hz (SP1) 0.5NM 0.08Ps/4000Hz (SP1) 0.25Ps/1700Hz (MP1) 0.75NM 0.08Ps/2250Hz (SP2) 0.25Ps/1700Hz (MP1) 1.5NM 0.08Ps/2250Hz (SP2) 0.25Ps/1700Hz (MP1) 0.5s/1200Hz (MP2) 3NM 0.13Ps/1700Hz (SP3) 0.25Ps/1700Hz (MP1) 0.5s/1200Hz (MP2) 6NM 0.5Ps/1200Hz (MP2) 0.8s/750Hz (LP1) 1.0s/650Hz (LP2) 12NM 0.5Ps/1200Hz (MP2) 0.8s/750Hz (LP1) 1.0s/650Hz (LP2) 24NM 1.0Ps/650Hz (LP2) 48NM 1.0Ps/650Hz (LP2) 72NM 1.0Ps/650Hz (LP2) (10) Duplexer Circulator + Diode Limiter (11) Front End Module MIC

Chapter 7SPECIFICATIONS 7.2SCANNER7-8(12) Intermediate Frequency Amplifier Intermediate Frequency: 60MHz Band Width: 20MHz (0.08s, 0.13s) 6MHz (0.25Ps) 3MHz (0.5s, 0.8s, 1.0s)Gain: More than 90dB Amplifying Characteristics: Logarithmic Amplifier (13) Overall Noise Figure 6dB (Average) (14) Tune AUTO/MANUAL

Chapter 7SPECIFICATIONS 7.2SCANNER7-97INSTRUCTION MANUAL 7.2.5 NKE-2103-4/6/4HS/6HS(1) Dimensions Height: approx. 458 mm Swing Circle: approx. 1,285mm (4ft) Height: approx. 458 mm Swing Circle: approx. 1910 mm (6ft) (2) Mass Approx. 38 kg (4ft) Approx. 40 kg (6ft) (3) Polarization Horizontal Polarization (4) Directional Characteristic Horizontal Beam Width (-3dB) 1.8° (4ft) 1.2° (6ft)Vertical Beam Width (-3dB) 20° (4ft/6ft) Sidelobe Level –26 dB or less (less than ±10° from the main lobe) (4ft/6ft)–30 dB or less (±10° or more from the main lobe) (4ft/6ft)(5) Rotation 27rpm (NKE-2103-4/6) 48rpm (NKE-2103-4HS/6HS) (6) Transmitting Frequency 9410 ±30 MHz(7) Peak Power 10 kW r50% (8) Transmitting Tube Magnetron [MAF1565N] (9) Transmitting Pulse Width/Repetition Frequency (Bandwidth) SP: 0.08Ps/2250 Hz MP1: 0.25Ps/1700 Hz, MP2: 0.5Ps/1200 Hz LP1: 0.8Ps/750 Hz, LP2: 1.0Ps/650 Hz 0.125NM 0.08Ps/2250Hz (SP) 0.25NM 0.08Ps/2250Hz (SP) 0.5NM 0.08Ps/2250Hz (SP) 0.25Ps/1700Hz (MP1) 0.75NM 0.08Ps/2250Hz (SP) 0.25Ps/1700Hz (MP1) 1.5NM 0.08Ps/2250Hz (SP) 0.25Ps/1700Hz (MP1) 0.5s/1200Hz (MP2) 3NM 0.25Ps/1700Hz (MP1) 0.5Ps/1200Hz (MP2) 0.8s/750Hz (LP1) 6NM 0.5Ps/1200Hz (MP2) 0.8Ps/750Hz (LP1) 1.0s/650Hz (LP2) 12NM 0.5Ps/1200Hz (MP2) 0.8Ps/750Hz (LP1) 1.0s/650Hz (LP2) 24NM 1.0Ps/650Hz (LP2) 48NM 1.0Ps/650Hz (LP2) 72NM 1.0Ps/650Hz (LP2) (10) Duplexer Circulator + Diode Limiter

Chapter 7SPECIFICATIONS 7.2SCANNER7-10(11) Front End Module MIC(12) Intermediate Frequency Amplifier Intermediate Frequency: 60MHz Band Width: 20MHz (0.08Ps) 6MHz (0.25Ps, 0.5Ps) 3MHz (0.8Ps, 1.0Ps)Gain: More than 90dB Amplifying Characteristics: Logarithmic Amplifier (13) Overall Noise Figure 7.5dB (Average) (14) Tune Method AUTO/MANUAL

Chapter 7SPECIFICATIONS 7.3DISPLAY UNIT 7-117INSTRUCTION MANUAL 7.3 DISPLAY UNIT 7.3.1 INTEGRATED DISPLAY UNIT (NCD-2182) (1) Structure Desk Top Integrated Type (LCD Monitor Unit/Keyboard Unit/Processor Unit Integrated Structure)Vertical installation only desk top integrated type (2) Dimensions Desktop installation Height 310mm × Width 328mm × Depth 130.5mm Flush-mounting Height 290mm × Width 297mm × Depth 120mm (3) Mass Approx. 5kg (4) Tune Method MANUAL/AUTO (Bar-graph indication) (5) STC (SEA) MANUAL/AUTO (6) FTC (RAIN) MANUAL/AUTO (7) Radar Interference Rejection Built-in (The effect can be adjusted by three stages.) (8) Bearing Marker 360° in 5° digit(9) Heading Line Electronic(10) Off Center Within 66% of the radius of PPI (Not available at the maximum range) Transition of the radar trails is possible during Off Center mode. (11) True Motion Unit Built-in (Not available at the maximum range) (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: Only relative motion trails Trail time length: 15 sec to 15 min/Continuous 30 sec to 30 min/Continuous 1 min to 1 hr/Continuous 30 min to 12 hr/Continuous Arbitrary trail time length can be displayed at any time. Possible to display time series trail and continuous trail by color classification. Not possible to select true motion trails or relative motion trails.* When switching to true/relative trails, the radar trails are cleared. Transition of the trails is possible during Off Center mode (Relative motion). (Scroll)When the bearing mode is switched (RM (T), TM)

Chapter 7SPECIFICATIONS 7.3DISPLAY UNIT 7-12When the motion is switched (between RM (T) and TM), true motion trails is transition. * When switching to true/relative trails, the radar trails are cleared.(14) Variety of Pulse width SP/MP1/MP2/LP1 (NKE-2042) SP/MP1/MP2/LP1 (NKE-2062) SP/MP1/MP2/LP1/LP2 (NKE-2103) (15) Target enhance 3 stages (16) Plotting Line/200 marks/3 colors for own ship’s tracks, line types selectable (17) Display color Radar echo 16 stages, 5 colors (Yellow, Green, Orange, Purple, Red, Colored) Radar trails 16 stages3 colors for time trails (Green, White, Light Blue) 3 colors for continuous trails (Green, White, Light Blue) Background within PPI 3 colors (Black, Blue, Navy Blue) Characters 5 colors (White, Orange, Green, Black, Red)Cursor 4 colors (Cyan, Orange, Green, White) AIS/vector 3 colors (Cyan, Green, White) EBL/VRM 4 colors (Light Blue, Orange, Green, White) (18) Simulator Built-in simulator (19) Full screen Full screen (displayed without PPI mask) (20) Multiple languages Japanese, English, French, German, Spanish, Italian, Portuguese, Norwegian (21) LL / TD conversion Built-in (22) Navigation information during STBY Built-in(23) Land mile display Range, scale, VRM (24) Barge display Displays the own ship and a barge. (25) AIS information display (MMSI, ship name) List display, Retrieved Vessel, WPT setting

Chapter 7SPECIFICATIONS 7.3DISPLAY UNIT 7-137INSTRUCTION MANUAL 7.3.2 OPERATION PANEL (1) Structure Integrated on the display unit (2) Controls GAIN SEA RAIN MULTI Cursor keys (3) Keys STBY Stops transmission (Turns off the equipment if simultaneously pressed with "TX/PRF") TX/PRF Starts transmission (Turns off the equipment if simultaneously pressed with "STBY") Changes PRF during transmission. Clears SHM when held down. RANGE+ Increases the distance range. RANGE- Decreases the distance range. FUNC Switches the function.BRILL Adjusts LCD brightnessENT Enter key (Selects menu items, etc) CLEAR Cancels operationsMENU Opens/closes the menu screen Soft key 1 Soft key 1 Soft key 2 Soft key 2 Soft key 3 Soft key 3 Soft key 4 Soft key 4 7.3.3 AIS FUNCTION (1) Screen Number of targets Up to 50 targets (stores up to 500 ship static data) Target information Displays MMSI, call sign, ship name, COG, SOG, CPA, TCPA, direction, distance, latitude, longitude, status, etc. Filters Distance only Active targets Not available Dangerous ship targets No CPA/TCPA decision (2) Operation Built-in

Chapter 7SPECIFICATIONS 7.3DISPLAY UNIT 7-147.3.4 TT FUNCTION (1) Acquisition MANUAL/AUTO (by automatic acquisition/activation 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 Dangerous ship targets Decision by CPA/TCPA (4) Operation Built-in

Chapter 7SPECIFICATIONS 7.4INPUT/OUTPUT SIGNAL 7-157INSTRUCTION MANUAL 7.4 INPUT/OUTPUT SIGNAL 7.4.1 INPUT ENABLE SIGNAL (1) Navigation equipment IEC61162-1/2 Longitude/Latitude: GGA>RMC>GNS>GLL COG/SOG: RMC>VTG Log speed: VBW>VHW, NSK data Bearing: THS>HDT>HDG>HDM Depth: DPT>DBT Water temperature: MTW Rate of Turn: ROT Rudder: RSA AIS: VDM, VDO, ALR Direction of wind, velocity of wind: MWV>VWT, VWR (2) Bearing signal GYRO-SYNC: 360X, 180X, 90X, 36X (Require optional NSK unit NCT-4106A) GYRO-STEP: 360X, 180X, 90X, 36X (Require optional NSK unit NCT-4106A) JRC-NSK format (JLR-10/20/30) IEC61162 4800bps/38400bps: THS>HDT>HDG>HDM (3) Speed signal LOG-SYNC: 360X, 180X, 90X, 30X (Require optional NSK unit NCT-4106A) LOG-PULSE: 800, 400, 200, 100 (Require optional NSK unit NCT-4106A) 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 Bearing signal: THS, HDT (2) External buzzer Factory presetting: normal open contacts

Chapter 7SPECIFICATIONS 7.5STANDARD CONFIGURATION 7-167.5 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

APPENDIXAPPENDIX-1 APPENDIXINSTRUCTION MANUAL APPENDIXFig. A1 NKE-2042 SCANNER INTERCONNECTION DIAGRAM 

APPENDIXAPPENDIX-2 Fig. A2 NKE-2043 SCANNER INTERCONNECTION DIAGRAM 

APPENDIXAPPENDIX-3 APPENDIXINSTRUCTION MANUAL Fig. A3 NKE-2062 SCANNER INTERCONNECTION DIAGRAM 

APPENDIXAPPENDIX-4 Fig. A4 NKE-2062HS SCANNER INTERCONNECTION DIAGRAM 

APPENDIXAPPENDIX-5 APPENDIXINSTRUCTION MANUAL Fig. A5 NKE-2063 SCANNER INTERCONNECTION DIAGRAM 

APPENDIXAPPENDIX-6 Fig. A6 NKE-2063HS SCANNER INTERCONNECTION DIAGRAM 

APPENDIXAPPENDIX-7 APPENDIXINSTRUCTION MANUAL Fig. A7 NKE-2103-4/4HS/6/6HS SCANNER INTERCONNECTION DIAGRAM 

APPENDIXAPPENDIX-8 Fig. A8 NCD-2182 DISPLAY UNIT INTERCONNECTION DIAGRAM 

APPENDIXAPPENDIX-9 APPENDIXINSTRUCTION MANUAL Fig. A9 PRIMARY POWER SUPPLY DIAGRAM, TYPE JMA-3300 

APPENDIXAPPENDIX-10 Fig. A10 JMA-3314 INTERCONNECTION DIAGRAM 

APPENDIXAPPENDIX-11 APPENDIXINSTRUCTION MANUAL Fig. A11 JMA-3334 INTERCONNECTION DIAGRAM 

APPENDIXAPPENDIX-12 Fig. A12 JMA-3316/HS INTERCONNECTION DIAGRAM 

APPENDIXAPPENDIX-13 APPENDIXINSTRUCTION MANUAL Fig. A13 JMA-3336/HS INTERCONNECTION DIAGRAM 

APPENDIXAPPENDIX-14 Fig. A14 JMA-3340-4/4HS/6/6HS INTERCONNECTION DIAGRAM 

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$APPENDIXAPPENDIX-17 APPENDIXINSTRUCTION MANUAL       VP5DQJH     VP    VP    VP    VP    VP    VP 1.(VP㸸6303VP㸸6303VP㸸6303VP㸸0303VP㸸03/3VP㸸/31.(VP㸸6303VP㸸6303VP㸸630303VP㸸630303VP㸸03/3/3VP㸸03/3/31.(VP㸸6303VP㸸6303VP㸸6303VP㸸0303VP㸸03/3VP㸸/31.(VP㸸6303VP㸸6303VP㸸630303VP㸸630303VP㸸03/3/3VP㸸03/3/31.(VP㸸6303VP㸸6303VP㸸630303VP㸸0303/3VP㸸03/3/3VP㸸03/3/3      NP5DQJH     NP    NP    NP    NP    NP 1.(NP㸸6303NP㸸6303NP㸸0303NP㸸03/3NP㸸/31.(NP㸸6303NP㸸630303NP㸸630303NP㸸03/3/3NP㸸03/3/31.(NP㸸6303NP㸸6303NP㸸0303NP㸸03/3NP㸸/31.(NP㸸6303NP㸸630303NP㸸630303NP㸸03/3/3NP㸸03/3/31.(NP㸸6303NP㸸630303NP㸸0303/3NP㸸03/3/3NP㸸03/3/3㻌㻌㻌9LGHR/DWLWXGH   1DUURZ1RUPDO:LGH:LGH    9LGHR1RLVH5HMHFWLRQ   2II/HYHO/HYHO/HYHO    7UDLOV,QWHUYDO   㻿㼔㼛㼞㼠㻦㻌㻌2IIVHFVHFPLQPLQPLQPLQPLQPLQPLQPLQ&217㻹㼕㼐㼐㼘㼑㻦㻌㻌㻻㼒㼒㻌㻛㻌㻟㻜㼟㼑㼏㻌㻛㻌㻝㼙㼕㼚㻌㻛㻌㻞㼙㼕㼚㻌㻛㻌㻟㼙㼕㼚㻌㻛㻌㻠㼙㼕㼚㻌㻛㻌㻡㼙㼕㼚㻌㻛㻌㻢㼙㼕㼚㻌㻛㻌㻝㻜㼙㼕㼚㻌㻛㻌㻌㻝㻡㼙㼕㼚㻌㻛㻌㻟㻜㼙㼕㼚㻌㻛㻌㻯㻻㻺㼀㻌㻸㼛㼚㼓㻦㻌㻌㻻㼒㼒㻌㻛㻌㻝㼙㼕㼚㻌㻛㻌㻞㼙㼕㼚㻌㻛㻌㻟㼙㼕㼚㻌㻛㻌㻠㼙㼕㼚㻌㻛㻌㻡㼙㼕㼚㻌㻛㻌㻢㼙㼕㼚㻌㻛㻌㻝㻜㼙㼕㼚㻌㻛㻌㻝㻡㼙㼕㼚㻌㻛㻌㻌㻟㻜㼙㼕㼚㻌㻛㻌㻝㼔㼞㻌㻛㻌㻯㻻㻺㼀㻌㻿㼡㼜㼑㼞㻌㻸㼛㼚㼓㻦㻌㻌㻻㼒㼒㻌㻛㻌㻟㻜㼙㼕㼚㻌㻛㻌㻝㼔㼞㻌㻛㻌㻞㼔㼞㻌㻛㻌㻟㼔㼞㻌㻛㻌㻠㼔㼞㻌㻛㻌㻡㼔㼞㻌㻛㻌㻢㼔㼞㻌㻛㻌㻝㻜㼔㼞㻌㻛㻌㻝㻞㼔㼞㻌㻛㻌㻯㻻㻺㼀㻌㻌㻌㻌㻌㻌7UDLOV0RGH   7UXH5HODWLYH    7UDLOV5()/HYHO   /HYHO/HYHO/HYHO/HYHO    7LPH$OO&RPELQH   2II2Q    0$;,QWHUYDO  㻌6KRUW0LGGOH/RQJ6XSHU/RQJ㻌   35)   1RUPDO(FRQRP\+LJK3RZHU    $QWHQQD+HLJKW   'HIDXOW㹼P㹼P㹼PP㹼6HDZHHG6KLS720$.20$,865LYHU(85LYHU    6DYH3UHVHQW6DWWH       6HW0RGH'HIDXOW       ,QLWLDOL]H      )XQFWLRQ6HWWLQJ        )XQFWLRQ6HWWLQJ        )XQFWLRQ6HWWLQJ      7DUJHW          )XQFWLRQ2Q2II          77   2II2Q$

$APPENDIXAPPENDIX-18      $,6   2II2Q   &3$/LPLW     㹼QP   7&3$/LPLW     㹼PLQ   &3$5LQJ     2II2Q   7DUJHW1XPEHU'LVSOD\          77   2II2Q     $,6   2II2Q   7DUJHW1XPEHU$OORFDWLRQ          77   㹼     $,6   㹼     2ZQ6KLSV   㹼     &XUVRU   㹼   $/5$ODUP)URP$,6     2II2Q   $,6'LVSOD\7DUJHW        $,6'HVWLQDWLRQ6KLS     㹼   $,65HWULHYHG9HVVHO          006,1XPEHU6HWWLQJ         5HWULHYHG9HVVHOLQIR  㹼      5HWULHYHG9HVVHOLQIR  㹼      5HWULHYHG9HVVHOLQIR  㹼      5HWULHYHG9HVVHOLQIR  㹼      5HWULHYHG9HVVHOLQIR  㹼      5HWULHYHG9HVVHOLQIR  㹼      5HWULHYHG9HVVHOLQIR  㹼      5HWULHYHG9HVVHOLQIR  㹼      5HWULHYHG9HVVHOLQIR  㹼      5HWULHYHG9HVVHOLQIR  㹼   $,6)LOWHU     㹼10   )LOH2SHUDWLRQ       㻿㼍㼢㼑㻌       $,65HWULHYHG9HVVHO    㻸㼛㼍㼐㻌       $,65HWULHYHG9HVVHO    㻱㼞㼍㼟㼑㻌       $,65HWULHYHG9HVVHO   5$'$5$ODUP          5$'$5$ODUP/HYHO     /HYHO/HYHO/HYHO/HYHO   5$'$5$ODUP/HYHO     /HYHO/HYHO/HYHO/HYHO 3ORW          :D\SRLQW'LVSOD\     2II2Q   0DUN     㻌㻌㻌㻌0DUN6L]H   6PDOO/DUJH     'LVSOD\0DUN&RORU         $OO  $OO,QGLYLGXDO      :KLWH  2II2Q      &\DQ  2II2Q      %OXH  2II2Q      *UHHQ  2II2Q      <HOORZ  2II2Q      0DJHQWD  2II2Q      5HG  2II2Q     'LVSOD\0DUN7\SH         $OO  $OO,QGLYLGXDO      㹖  2II2Q      㸩  2II2Q      㹗  2II2Q    2II2Q     0DUN/LVW      /LQH          'LVSOD\/LQH&RORU         $OO  $OO,QGLYLGXDO      :KLWH  2II2Q      &\DQ  2II2Q      %OXH  2II2Q      *UHHQ  2II2Q      <HOORZ  2II2Q      0DJHQWD  2II2Q      5HG  2II2Q     'LVSOD\/LQH7\SH    㻌㻌 $OO  $OO,QGLYLGXDO 㻌㻌 ̿̿  2II2Q 㻌㻌   2II2Q 㻌㻌 㸫㸫㸫㸫  2II2Q     /LQH/LVW      2ZQ7UDFN 㻌㻌     'LVSOD\2ZQ7UDFN&RORU         $OO  $OO,QGLYLGXDO      :KLWH  2II2Q      &\DQ  2II2Q      %OXH  2II2Q      *UHHQ  2II2Q      <HOORZ  2II2Q      0DJHQWD  2II2Q      5HG  2II2Q     'LVSOD\2ZQ7UDFN7\SH    㻌㻌 $OO  $OO,QGLYLGXDO$

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$APPENDIXAPPENDIX-20       6FDQQHU          6ORSH&RUUHFWLRQ     㹼   35))LQH7XQLQJ     㹼   6WDJJHU7ULJJHU    2II2Q   6FDQQHU5RWDWLRQ6SHHG 7KHRSWLRQVYDU\GHSHQGLQJRQWKHVFDQQHU      63   㹼     03   㹼     03   㹼     /3   㹼     /3   㹼     /3   㹼   35)     1RUPDO(FRQRP\+LJK3RZHU   6DIW\6ZLWFK     7;2II6WDQGE\7;2Q,JQRUH(UURU   7XQH3HDN$GMXVWPHQW     㹼   7XQH,QGLFDWRU     㹼      ,)'HYLFH          6HW*<52     㹼r  +HDGLQJ(TXLSPHQW     $872*<52&RPSDVV*360DQXDO   0DQXDO+HDGLQJ     㹼r  6SHHG(TXLSPHQW     *36/RJ/RJ0DQXDO   0DQXDO6SHHG     㹼NQ   0$*&RPSDVV6HWWLQJ          +HDGLQJ&RUUHFWLRQ   2II2Q     &RUUHFW9DOXH   :㹼(r      &203RUW6HWWLQJ          %DXG5DWH     㻌㻌㻌*<52&RPSDVV  㻌$㼁㼀㻻ESVESV㻌㻌㻌*36  㻌$㼁㼀㻻ESVESV㻌㻌㻌10($  㻌$㼁㼀㻻ESVESV㻌㻌㻌10($  㻌$㼁㼀㻻ESVESV   5;6HQWHQFH          *36//         **$  2II2Q      50&  2II2Q      50$  2II2Q      *16  2II2Q      *//  2II2Q     *36&2*62*         50&  2II2Q      50$  2II2Q      97*  2II2Q     +HDGLQJ         7+6  2II2Q      +'7  2II2Q     +'*  2II2Q     +'0  2II2Q     9+:  2II2Q    'HSWK        '37  2II2Q     '%6  2II2Q     '%7  2II2Q     '%.  2II2Q    :LQG        0:9  2II2Q     9:7  2II2Q     9:5  2II2Q    :37        50%  2II2Q     %:&  2II2Q     %:5  2II2Q   5;3RUW         *36   $872*<52&RPSDVV*3610($10($    /RJ   $872*<52&RPSDVV*3610($10($    /RJ   $872*<52&RPSDVV*3610($10($    'HSWK   $872*<52&RPSDVV*3610($10($    7HPSHUDWXUH   $872*<52&RPSDVV*3610($10($    :LQG   $872*<52&RPSDVV*3610($10($    :37   $872*<52&RPSDVV*3610($10($    5DWHRI7XUQ   $872*<52&RPSDVV*3610($10($    5XGGHU   $872*<52&RPSDVV*3610($10($   7;3RUW          770   2II*<52&RPSDVV*3610($10($     7//   2II*<52&RPSDVV*3610($10($     77'   2II*<52&RPSDVV*3610($10($     7/%   2II*<52&RPSDVV*3610($10($     **$   2II*<52&RPSDVV*3610($10($     *//   2II*<52&RPSDVV*3610($10($     50&   2II*<52&RPSDVV*3610($10($     *16   2II*<52&RPSDVV*3610($10($     97*   2II*<52&RPSDVV*3610($10($     26'   2II*<52&RPSDVV*3610($10($     56'   2II*<52&RPSDVV*3610($10($     7+6   2II*<52&RPSDVV*3610($10($$

$APPENDIXAPPENDIX-21 APPENDIXINSTRUCTION MANUAL      +'7   2II*<52&RPSDVV*3610($10($   7;'DWD)RUPDW          7;,QWHUYDO   㹼㼟㼑㼏     10($9HUVLRQ   999     10($7DONHU   1RUPDO*3   7DUJHW,QIRUPDWLRQ7;          7;7DUJHW   77$,677࣭$,6㻌㻌㻌㻌㻌770'LVWDQFH$FFXUDF\        77$YHUDJH0RGH   2II2Q     77$YHUDJH6FDQ   㹼      *36          *366HWWLQJ     㻌 10($9HUVLRQ   $㼁㼀㻻9㼂㻞㻚㻝9㻌㻌㻌㻌&RUUHFWLRQ0HWKRG  㻌*366LQJOH6%$6%HDFRQ$872㻌㻌㻌㻌)L[0RGH   ''$872㻌㻌㻌㻌(OHYDWH0DVN   㹼r     +'23        /DWLWXGHDQG/RQJLWXGH 㹼VHF5㹼     62* 㹼VHF5㹼     &2* 㹼VHF5㹼㻌㻌㻌㻌㻌6PRRWKLQJ 㹼VHF5㹼5㹼VHF5㹼5     6PRRWKLQJ VHFVHFVHF     5$,0$FFXUDF\/HYHO  2IIPPPP㻌㻌㻌㻌㻌([FOXVLRQ6DWHOOLWH  㻌㻌㻌㻌㻌 ([FOXVLRQ6DWHOOLWH  㹼㻌㻌㻌㻌㻌 ([FOXVLRQ6DWHOOLWH  㹼㻌㻌㻌㻌㻌 ([FOXVLRQ6DWHOOLWH  㹼㻌㻌㻌㻌㻌 ([FOXVLRQ6DWHOOLWH  㹼㻌㻌㻌㻌㻌 ([FOXVLRQ6DWHOOLWH  㹼㻌㻌㻌㻌㻌 ([FOXVLRQ6DWHOOLWH  㹼     6HQG'DWD        *36$GMXVW         3RVLWLRQ        $QWHQQD+HLJKW  㹼P      7LPH  㹼      'DWH  㹼      0DVWHU5HVHW        6HQG'DWD  $

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$APPENDIXAPPENDIX-26      'LVSOD\8QLW'63         $ODUP6HQVLWLYLW\ 㻌2II2Q      6HQVLWLYLW\7LPH 㻌㹼VHF     &203RUW 㻌㻌      $ODUP6HQVLWLYLW\ 㻌2II2Q     7HPSHUDWXUH 㻌㻌      $ODUP6HQVLWLYLW\ 㻌2II2Q   &RQQHFWLRQ'HYLFH          3DQHO7LPH2XW         $ODUP6HQVLWLYLW\ 㻌2II2Q      6HQVLWLYLW\7LPH 㻌㹼VHF     3DQHO7LPH2XW         $ODUP6HQVLWLYLW\ 㻌2II2Q      6HQVLWLYLW\7LPH 㻌㹼VHF㻌㻌㻌㻌*<527LPH2XW    㻌㻌 $ODUP6HQVLWLYLW\ 㻌2II2Q 㻌㻌 6HQVLWLYLW\7LPH 㻌㹼VHF    /RJ7LPH2XW         $ODUP6HQVLWLYLW\ 㻌2II2Q      6HQVLWLYLW\7LPH 㻌㹼VHF    *367LPH2XW         $ODUP6HQVLWLYLW\ 㻌2II2Q      6HQVLWLYLW\7LPH 㻌㹼VHF   5;'DWD     㻌㻌㻌㻌㻌*<52   㻌㻌㻌 $ODUP6HQVLWLYLW\ 㻌2II2Q㻌㻌㻌 6HQVLWLYLW\7LPH 㻌㹼VHF㻌㻌㻌㻌㻌&RPSDVV   㻌㻌㻌 $ODUP6HQVLWLYLW\ 㻌2II2Q㻌㻌㻌 6HQVLWLYLW\7LPH 㻌㹼VHF㻌    /RJ         $ODUP6HQVLWLYLW\ 㻌2II2Q      6HQVLWLYLW\7LPH 㻌㹼VHF㻌    /RJ         $ODUP6HQVLWLYLW\ 㻌2II2Q      6HQVLWLYLW\7LPH 㻌㹼VHF     &RXUVH6SHHG         $ODUP6HQVLWLYLW\ 㻌2II2Q      6HQVLWLYLW\7LPH 㻌㹼VHF     'HSWK         $ODUP6HQVLWLYLW\ 㻌2II2Q      6HQVLWLYLW\7LPH 㻌㹼VHF     7HPSHUDWXUH         $ODUP6HQVLWLYLW\ 㻌2II2Q      6HQVLWLYLW\7LPH 㻌㹼VHF     :LQG         $ODUP6HQVLWLYLW\ 㻌2II2Q      6HQVLWLYLW\7LPH 㻌㹼VHF     5DWHRI7XUQ         $ODUP6HQVLWLYLW\ 㻌2II2Q      6HQVLWLYLW\7LPH 㻌㹼VHF     5XGGHU         $ODUP6HQVLWLYLW\ 㻌2II2Q      6HQVLWLYLW\7LPH 㻌㹼VHF    :37         $ODUP6HQVLWLYLW\ 㻌2II2Q      6HQVLWLYLW\7LPH 㻌㹼VHF     /$7/21         $ODUP6HQVLWLYLW\ 㻌2II2Q      6HQVLWLYLW\7LPH 㻌㹼VHF     'DWXP         $ODUP6HQVLWLYLW\ 㻌2II2Q      6HQVLWLYLW\7LPH 㻌㹼VHF     6WDWXV         $ODUP6HQVLWLYLW\ 㻌2II2Q      6HQVLWLYLW\7LPH 㻌㹼VHF     +'23         $ODUP6HQVLWLYLW\ 㻌2II2Q      6HQVLWLYLW\7LPH 㻌㹼VHF     $,6         $ODUP6HQVLWLYLW\ 㻌2II2Q      6HQVLWLYLW\7LPH 㻌㹼VHF$

Japan Radio NKE2043 MARINE RADAR User Manual NKE2063UserMan

Japan Radio Co Ltd. MARINE RADAR NKE2063UserMan

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