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General| Type | Marine Radar |
|---|---|
| Display | LCD |
| Antenna Rotation Speed | 24 rpm |
| Range Resolution | 20 m |
| Frequency | 9410 MHz |
| Antenna Size | 4ft or 6ft |
| Display Size | 12.1 inch |
| Power Supply | AC 100-115V or 220-230V |
| Range Scales | 0.0625, 0.125, 0.25, 0.5, 0.75, 1.5, 3, 6, 12, 24, 48, 96 NM |
Discusses dangers and precautions related to high voltages in electronic equipment.
Provides immediate steps to take when someone experiences an electric shock.
Details the immediate steps for providing first aid to an electric shock victim.
Describes the main functions of the radar system, including sensitivity adjustment and clutter suppression.
Highlights key features like high-resolution display, advanced signal processing, and easy operation.
Details the system's configuration, including scanners, output powers, and radar setup.
Provides visual representations and dimensions of the equipment's external components.
Illustrates the overall system architecture and interconnections between units.
Shows a typical radar display layout with various information areas and indicators.
Identifies and explains the purpose of each button and control on the equipment's operation panel.
Details the functionalities of the software buttons located on the radar display screen.
Explains software buttons in Area 1, covering range scale, motion mode, and transmission control.
Describes software buttons in Area 2, focusing on zoom, interference rejection, and clutter suppression.
Details software buttons in Area 3, including cursor mode, EBL/VRM adjustment, and bearing display.
Explains software buttons in Area 4, covering mark color, track interval, map display, and graphic display settings.
Describes software buttons in Area 5, which display own ship's speed, time, and positioning system information.
Details software buttons in Area 6 for displaying other ships' vector, track, and AIS information.
Explains software buttons in Area 7 for displaying AIS and tracked target information numerically.
Details software buttons in Area 7 for displaying tracked target information numerically.
Describes software buttons in Area 8 for controlling brightness, menus, and alarm functions.
Outlines the fundamental steps for operating the radar system from power-on to shutdown.
Explains the structure of the radar's menu system and how to navigate through it.
Covers initial setup procedures like adjusting display brilliance, contrast, and day/night modes.
Details common operational tasks such as starting transmission, changing range, and controlling sensitivity.
Explains general usage of the radar, including cursor movement, EBL/VRM, and trails display.
Describes how to manage and display own ship's track data, including color selection and interval settings.
Covers procedures for inserting and displaying various types of chart data like coastline and electronic charts.
Explains how to display and manage navigation data such as waypoints, NAV lines, and geodetic systems.
Details advanced radar functions like signal processing, target enhancement, and various settings.
Explains how to configure radar signal processing parameters for optimal performance.
Covers the settings for displaying and managing radar trails for tracked targets.
Details how to configure cursor operation modes and display settings on the radar screen.
Explains how to adjust various screen display parameters, including graph and display settings.
Covers settings related to the scanner unit, including PRF tuning, stagger trigger, and band selection.
Explains how to configure the display of chart data, including colors, brilliance, and types of features.
Details the procedure for setting LORAN C parameters and performing corrections for display.
Explains how to use the function switch for selecting predefined radar modes like COAST, DEEP SEA, FISHNET, and STORM.
Describes how to call and switch between different radar function modes using the FUNC key.
Lists and categorizes the items available within the function setting menus for customization.
Provides an overview of the operation for each function selected from the setting menu.
Explains how to register and manage personal operation status and settings using user keys.
Provides guidance on using memory cards for saving and transferring data, including recommendations and cautions.
Details the procedure for saving internal data to a memory card and transferring data between cards.
Explains how to erase and initialize memory card contents, including specific data types and formatting.
Explains how to measure target range and bearing using the trackball cursor on the radar display.
Describes how to use range rings for assessing target distance on the radar display.
Details the procedure for measuring target bearing and range using Electronic Bearing Lines (EBLs) and Variable Range Markers (VRMs).
Explains how to measure the bearing and range between any two points on the radar display.
Covers features and initial settings for Target Tracking (TT) and Automatic Identification System (AIS) functions.
Explains the concept of collision avoidance in navigation and marine accidents.
Defines various symbols used for target tracking and AIS target identification on the radar display.
Details how to display target vectors in true or relative motion modes and adjust vector length.
Explains the different cursor modes and their functions for target acquisition and data display.
Describes how to set collision decision criteria like CPA and TCPA limits for TT and AIS systems.
Explains how to turn the CPA ring display on or off for visualizing collision risk.
Details how to set vector time for targets using the multi-dial and switch between true/relative vector modes.
Provides instructions on setting the GPS antenna location and offset ranges for accurate positioning.
Explains how to use the Target Tracking functions, including acquisition, cancellation, and data display.
Covers automatic and manual target acquisition methods, including setting acquisition zones.
Explains how to cancel unwanted targets individually or collectively from the radar display.
Details how to display and cancel numerical data for tracked targets, including identification and status.
Explains how to display or hide target ID numbers assigned to acquired targets on the radar display.
Describes how to input target information such as name, track color, and association priority for TT targets.
Explains how to set a reference target for calculating own ship's speed, especially when the speed sensor malfunctions.
Introduces the TT Test Menu for checking the operational status of target tracking functions and simulating targets.
Details the AIS function, including restrictions, initial settings, symbol display, and alarm configurations.
Lists limitations and conditions affecting the usability of the AIS function.
Covers initial setup procedures for the AIS function, including GPS antenna location and collision criteria.
Explains how to switch the AIS symbol display function on or off for better visualization.
Describes manual and automatic methods for activating AIS targets to display their vectors and make collision decisions.
Details how to deactivate AIS targets and clear their vectors and heading lines from the display.
Explains how to display numerical data for specified AIS targets, including navigation and ship information.
Covers the display or hiding of target ID numbers assigned to AIS symbols for easier identification.
Explains how to set AIS filters (range, sector, zone) to preferentially display targets within specific areas.
Outlines the conditions and time limits for deciding when an AIS target is considered lost.
Details how to configure AIS alarms for lost targets and dangerous target situations (CPA/TCPA).
Describes how to assess if AIS targets and tracked targets are identical and configure association parameters.
Explains the process of assessing target identity and displaying association symbols.
Covers setting the priority for creating association symbols based on AIS or tracked target data.
Details how to set the azimuth difference threshold for identifying targets as a single entity.
Explains setting the distance difference threshold for identifying targets as a single entity.
Covers setting the course difference threshold for identifying targets as a single entity.
Details setting the speed difference threshold for identifying targets as a single entity.
Explains setting the hysteresis level for identifying tracked and AIS targets as one, with caution on value impact.
Describes setting the non-hysteresis level to separate targets identified as one.
Specifies which AIS targets (activated or sleeping) should be assessed for association.
Lists and explains various alarm messages related to Target Tracking (TT) and AIS functions.
Covers the display and setting of ship tracks, including past track display and other ship's track settings.
Explains how to display past positions of tracked and AIS targets at specified time or distance intervals.
Details how to make track settings for acquired targets, including track color and display on/off.
Explains the nature of radar beam propagation and its effect on detection range due to Earth's curvature.
Discusses how target characteristics and environmental conditions influence radar signal reflection and detection distance.
Explains sea clutter, rain/snow clutter, and methods for their elimination using clutter rejection functions.
Identifies common causes of false echoes on radar displays, such as shadow, side lobe, and secondary reflection effects.
Describes how to display and utilize the SART signal for locating distress positions and detecting beacons.
Covers electrical adjustment procedures for system installation, including tuning and bearing calibration.
Explains the procedure to access the system's adjustment menus for initial setup.
Details the process of adjusting the transmitter and receiver tuning for optimal radar performance.
Describes how to adjust the radar bearing to match the ship's compass or gyro heading for accurate display.
Explains how to adjust the radar's range scale to ensure accurate display of target distances.
Covers the procedure for setting the antenna height above sea level to optimize radar performance.
Details how to set the CCRP, radar antenna, and GPS antenna positions for accurate referencing.
Details settings related to navigation input signals from gyro and GPS systems for accurate bearing and speed data.
Explains how to select and configure the ship's heading equipment, such as gyro or compass.
Covers the setting of the NSK Unit switches according to the type of gyro compass used.
Details how to adjust the true bearing value to match the gyro azimuth for accurate radar display.
Explains how to set and correct the magnetic compass heading for accurate radar display.
Covers selecting the source for ship speed data, such as manual, log, or GPS.
Explains how to manually input the ship's speed when the speed sensor is set to Manual.
Details how to set the current set and drift values for correcting the ship's course and speed.
Explains communication port settings, including baud rate, reception, transmission, and sentence configuration.
Covers the configuration of radar communication ports for inputting signals from external sensors.
Details how to set the baud rate for signals entering the COM port, specifying standard ports and options.
Explains how to set the reception port for signals from sensors or use the automatic recognition function.
Covers setting which signal sentences are received from sensors and selecting sentence types.
Details setting communication ports for transmitting signals to sensors and selecting output formats.
Explains how to set sector ranges to prevent displaying radar echoes within specific areas for stable tuning.
Covers setting a TNI blank sector to stabilize tuning operation when structures are near the radar antenna.
Explains how to set the output value of bearing pulse for the radar, specifically for 25 kW antennas.
Details how to switch the display language between Japanese and English.
Covers setting the local time, date, and time zone, and how NMEA0183 sentences affect display.
Describes electrical adjustment procedures for optimizing radar performance, such as noise level and target tracking adjustments.
Explains how to adjust the noise level for signal processing to display echoes correctly.
Details adjustments for target tracking performance, including vector constant and quantization level settings.
Covers adjusting the Main Bang Suppression (MBS) level to suppress main bang signals and optimize image display.
Explains how to adjust the performance monitor for transmission and reception circuits after unit replacement.
Outlines procedures for equipment maintenance, including safety switch settings, memory initialization, and data backup.
Details how to use the scanner safety switch to measure transmission/reception performance when the antenna is stopped.
Explains how to initialize the memory area to reset the system to factory settings, potentially stabilizing operation.
Covers saving internal memory data, such as menu settings and track data, onto a flash memory card.
Describes how to update character strings for second language display using a flash memory card.
Explains how to clear the transmission and motor run times of the antenna unit, typically after replacement.
Details the procedure for updating AIS processor programs using a flash memory card.
Provides general guidelines for regular equipment cleaning and upkeep to ensure optimal performance.
Details specific maintenance procedures for individual components like scanner units and display units.
Covers safety precautions and procedures for maintaining the NKE-2103/2254 scanner units.
Explains how to perform operational checks and tests on the radar equipment to verify its functionality.
Introduces the TEST MENU for checking the performance status of the radar equipment.
Explains how to perform self-diagnosis checks for memory, scanner unit, and communication lines.
Details how to check the display performance using various test patterns.
Covers testing the controls and switches of the operation panel, including keys, buzzer, and lights.
Explains how to view the performance monitor status and adjust attenuation values.
Describes how to access and manage the alarm log, displaying system errors with dates and times.
Explains how to view current system information, including software versions and operating times.
Details how to check the MAGI bar for monitoring magnetron current.
Describes how to use the built-in Line Monitor to check serial communication data received from sensors.
Explains how to check the reception status of connected GPS receivers and satellite positioning.
Details procedures and safety precautions for replacing major components like magnetrons, motors, and backup batteries.
Lists parts that require periodic replacement based on their operating hours or lifespan.
Provides step-by-step instructions and safety precautions for replacing the magnetron.
Details the procedure for replacing the antenna motor, including cover removal and cable connections.
Explains how to replace the diode limiter component, including mounting direction and wiring.
Covers the procedure for replacing the coin-cell backup battery, including safety and handling precautions.
Guides users on identifying and understanding system alarms, messages, and common error indications.
Lists system notifications, alarms, and other indications, with descriptions of their meaning.
Explains how to check the system's operating status and restart it if the display freezes.
Guides users on checking fuses and related circuits, noting potential dispersion in fusing characteristics.
Provides guidance on common troubleshooting steps for issues like poor contact in cables and connectors.
Lists spare parts required for the scanner units, including type, shape, and part number.
Lists special parts required for specific radar models (JMA-5212-4/6, JMA-5222-7/9).
Identifies circuit blocks within the scanner and processor units that may require repair.
Outlines procedures for requesting repairs, warranty information, and recommended maintenance services.
States the keeping period for maintenance parts after production discontinuation.
Guides users on troubleshooting before repair and provides contact information for service requests.
Recommends regular checkups and maintenance to ensure product performance and longevity.
Instructs users to follow local laws and regulations for the proper disposal of the unit.
Provides safety warnings and disposal guidelines for used lithium batteries, emphasizing terminal insulation.
Advises on the proper procedure for returning used magnetrons to the dealer or business office.
Presents information on the content of toxic and hazardous substances in the product's components according to China RoHS standards.
Lists the technical specifications for the JMA-5212-4/6 radar model, including display and environmental conditions.
Details the technical specifications for the JMA-5222-7/9 radar model, covering display and environmental requirements.
Provides technical specifications for the NKE-2103-4/6 scanner unit, including dimensions, polarization, and frequency.
Lists technical specifications for the NKE-2254-7/9 scanner unit, covering dimensions, mass, and pulse width.
Outlines the specifications for the NCD-4380 display unit, including screen size, display modes, and bearing indication.
Details the specifications of the NDC-1460 processor unit, covering dimensions, tune method, and scan correlation.
Provides specifications for the NCA-877A target tracking unit, including acquisition, tracking, and display capabilities.
Lists specifications for the NQA-2155 AIS unit, covering activation, display, and alarm functions.
Describes the specifications for the plotter unit, including projection, scale, and track storage capabilities.
Outlines the specifications for the NCE-7699A keyboard unit, detailing switches and operation.
Provides specifications for the NJU-85 performance monitor, including dimensions and operating frequency.
Lists the types of navigation and sensor signals that can be input into the system.
Details the types of radar video and navigation information that can be output by the system.
Lists the standard components included with the radar system.
Specifies recommended distances between radar components and other equipment.
Lists optional accessories and cables available for the radar system.
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