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General| Frequency | 9410 MHz ± 30 MHz |
|---|---|
| Transmitter Output Power | 25 kW |
| Type | X-band |
| Range | 0.125 to 96 nautical miles |
| Antenna Length | 9 ft |
| Antenna Rotation Speed | 24 rpm |
| Display | LCD |
Explains visual symbols used for safety and correct operation of equipment.
Provides visual examples of hazard, prohibition, and instruction symbols with their meanings.
Describes the warning label on the equipment and advises against its removal or modification.
Warns against touching high voltage areas and approaching the rotating scanner due to electric shock and injury risks.
Advises maintaining a safe distance from the antenna to avoid radiation exposure and specifies minimum safe distances.
Details high voltage dangers and safety procedures for maintenance, including discharging capacitors and using dry gloves.
Provides immediate steps to take if someone experiences an electric shock, including power source control and victim rescue.
Outlines general first-aid procedures for electric shock victims, emphasizing artificial respiration and seeking medical help.
Details mouth-to-mouth respiration techniques and considerations for restoring breathing after cardiac arrest.
Describes the radar system's overall functions, compliance with IMO standards, and specific ARPA capabilities.
Highlights key features like target detection technology, operability, ARPA functions, day/night modes, and compact design.
Details the configuration of scanners, transmitted output powers, and radar system components with ship's mains power requirements.
Provides exterior drawings and mounting dimensions for various scanner, transmitter-receiver, monitor, control, and keyboard units.
Presents block diagrams illustrating the general system connections for different radar types, including notes on interference elimination.
Discusses problems in collision avoidance, marine accidents, basic concepts like CPA/TCPA, and the role of radar in collision avoidance.
Identifies and explains the function of each switch and indicator on the control panel, referencing a display example.
Details the functions of software buttons available on the display, allowing direct setting of important parameters without opening a menu.
Outlines the basic step-by-step process from powering on the system to ending operation, with attention notes.
Explains the structure of the radar's menu system, including Main, Sub1, Sub2, and Test menus, and how to navigate them.
Covers essential preparation steps like tuning, adjusting sensitivity, brilliance, contrast, clutter suppression, and mode settings.
Details fundamental operational procedures, including cursor control, menu item settings, EBL/VRM usage, motion display modes, and target trails.
Explains how to use the trackball to move the cursor and measure target bearing and range relative to own ship.
Describes how to visually estimate target range using fixed range rings displayed on the radar.
Details the use of Electronic Bearing Lines (EBL) and Variable Range Markers (VRM) for precise measurement of target bearing and distance.
Explains how to measure range and bearing between two selected points using EBL2 and VRM2.
Covers initial settings for ARPA, including collision decision criteria, display modes, target acquisition, and data display settings.
Explains how to set motion display modes (TM/RM) and bearing display modes (AZI MODE) for optimal target visualization.
Describes how to display or hide target identification numbers assigned to captured targets for easy identification.
Details methods for acquiring targets automatically or manually, including guard zone settings and their operation.
Explains how to display target vectors (True/Relative) and past positions, including vector length adjustments and their significance.
Covers types of target data displayed and methods for displaying or clearing specific target data, including the meaning of symbols.
Details ARPA alarms such as dangerous target, guard zone, lost target, system function, and gyro set alarms, including their conditions and indications.
Explains the trial maneuvering function to simulate own ship’s course and speed for collision avoidance and its application in True and Relative Vector modes.
Provides procedures for cancelling acquired targets individually or all at once to optimize observation and reduce vector clutter.
Covers ARPA system settings such as simulator, VD level, vector constant, gate size, and test video for system checks and performance optimization.
Explains radar beam propagation characteristics and how the earth's curvature affects detection range based on scanner and target height.
Discusses factors influencing signal intensity, such as target size, material, shape, and coastal conditions.
Describes the appearance of sea clutter on the display due to wave conditions and swirling currents, and how it can mimic coastal lines.
Details various causes of false echoes, including shadow, side lobe effect, secondary reflection, multiple reflection, abnormal propagation, and radar interference.
Explains how to detect and display SART signals for search and rescue, including necessary radar settings and operational precautions.
Outlines basic maintenance procedures for keeping the radar equipment in good condition, focusing on cleaning the exterior and air vents.
Provides specific maintenance instructions for individual units, including scanner mechanism, transmitter-receiver, display unit, coaxial cable, and wave guide.
Details how to perform operational checks on the radar equipment using the TEST menu and lists items for checking transmitter-receiver and display units.
Discusses common causes of semiconductor circuit failures and provides a fuse list for equipment troubleshooting.
Addresses common contact issues in inter-unit cables and connectors, and lists special parts for specific radar models.
Provides safety precautions and step-by-step instructions for replacing major components like magnetrons, TRHPL, diode limiters, PIN attenuators, and CRT.
Explains the electrical adjustments performed by service personnel for tuning, bearing, range, antenna height, vector constant, quantization level, NSK unit, and main bang suppression.
Covers system settings for true bearing, ship speed, navigation equipment, current correction, time/day display, performance monitor, and interswitch adjustments.
Guides users on procedures for requesting repairs, including necessary information and warranty/post-warranty conditions.
Advises on regular checkups and maintenance to prevent performance deterioration and prolong equipment life, suggesting consultation with dealers.
Instructs users to follow local laws and regulations for the proper disposal of the radar unit.
Provides warnings and guidance on the safe disposal of used lithium batteries, emphasizing insulation and adherence to local laws.
Advises returning used magnetrons to the dealer or business office for proper disposal after replacement.
Lists general specifications, options, and safety distances for the JMA-9833-SA radar model.
Details general specifications, options, and safety distances for the JMA-9832-SA radar model.
Provides general specifications, options, and safety distances for the JMA-9823-7XA/9XA radar models.
Lists general specifications, options, and safety distances for the JMA-9822-6XA/9XA radar models.
Specifies dimensions, mass, polarization, beam width, revolution, drive motor, and wind velocity for the NKE-1079 scanner.
Details specifications for the NKE-1075 scanner, including dimensions, mass, polarization, frequency, power, pulse width, modulation, and tuning.
Lists specifications for NKE-1059-7/9 scanners, covering dimensions, mass, polarization, beam width, revolution, drive motor, and wind velocity.
Provides specifications for NKE-1052-6/9 scanners, including dimensions, mass, polarization, beam width, revolution, drive motor, and wind velocity.
Details specifications for the NTG-3037 transmitter-receiver unit, covering dimensions, frequency, power, pulse width, modulation, and tuning.
Lists specifications for the NTG-3027 transmitter-receiver unit, including dimensions, frequency, power, pulse width, modulation, and tuning.
Provides comprehensive specifications for the NCD-4111 display unit, including dimensions, screen, ranges, bearing, interface, and ARPA functions.
Details ARPA specifications such as acquisition modes, target tracking, presentation modes, alarms, safe limits, and data indication.
Lists dimensions, mass, and operation frequency for the NJU-63 Performance Monitor.
Provides dimensions, mass, and operation frequency for the NJU-64 Performance Monitor.
Provides a general overview of the Interswitch Kit's capabilities and its use with JMA-9800 series radar systems.
Details the operational flow for switching interswitch patterns, from menu opening to closing, including system standby mode.
Provides information on pre-heat time, pattern selection, alarm sound control, and master/slave connection notes for interswitch operation.
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