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JRC JMA-5110 User Manual

JRC JMA-5110
242 pages
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JMA-5104/5106/5110
MARINE RADAR
EQUIPMENT
INSTRUCTION
MANUAL

Table of Contents

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JRC JMA-5110 Specifications

General IconGeneral
Frequency9410 MHz ±30 MHz
Range0.125 to 96 NM
Antenna Rotation Speed24 RPM
Operating Temperature-15°C to +55°C
TypeMarine Radar
Display10.4-inch LCD
Antenna TypeSlotted Waveguide
Antenna Size6 feet (1.8 meters)
Power Supply21.6 to 41.6 VDC
Range Scales0.125, 0.25, 0.5, 0.75, 1.5, 3, 6, 12, 24, 48, 96 nautical miles
Display Resolution800 x 600 pixels

Summary

Preface

About Your Safety

Cautions for High Voltage

Details high voltage risks and precautions for electronic radar equipment.

What to Do in Case of Electric Shock

Provides immediate steps to take when someone experiences an electric shock.

First Aid Treatments

First-Aid Treatments

Outlines general first-aid procedures for victims of electric shock, emphasizing artificial respiration.

Before Operation

Pictorial Indication

Explains various symbols used on the equipment for safe operation and their meanings.

Examples of Pictorial Indication

Illustrates specific pictorial symbols like DANGER, WARNING, CAUTION, and their associated meanings.

Warning Label

Instructs not to remove, break, or modify the equipment's warning label.

Cautions to be Used During Operation

Refrain from Internal Inspection

Advises users not to inspect or repair internal parts; contact service personnel for safety.

Maintenance in Increment Weather

Warns to shut off main power during maintenance in increment weather due to electric shock risk.

Scanner Unit Maintenance

Emphasizes shutting off power for scanner unit maintenance to prevent injury from sudden rotation.

Electric Wave Exposure Caution

Warns about risks of dying or serious injury from electric waves at proximate distances.

High Voltage Warning

Alerts to high voltages (4000V) in modulator sections, only accessible by service engineers.

Microwaves Radiated When Scanner is OFF

Warns of potential injury if microwaves are radiated when the scanner unit is not rotating.

Equipment Appearance

Scanner Unit Type NKE-2042 (2 feet)

Shows the external appearance of the NKE-2042 scanner unit.

Scanner Unit Type NKE-2062 (4 feet)

Shows the external appearance of the NKE-2062 scanner unit.

Chapter 1 Introduction

1.1 Functions

Describes the device as a marine radar utilizing a scanner, transmitter, receiver, and LCD display.

1.3 Composition

Details the radar configuration, ship's power supply, and attachments like manuals and cables.

1.5 General System Diagram

Illustrates the overall system connections between scanner, processing, display, and other units.

Chapter 2 Keyboard and Menu Structure

2.1 Functions of the Keyboard

Explains operation using switches, knobs, jog dial, and track ball on the keyboard unit.

2.2 Description of Screen Display

Explains the various information elements displayed on the radar screen in horizontal and vertical formats.

2.3 Menu Functions

Describes how to navigate and use the radar's menu system for various settings.

Chapter 3 Operation Procedures

3.2 Power-on Operation

Guides through the initial steps of turning on the radar, transmitting, and tuning.

3.4 Basic Operation

Explains fundamental operations like transmitting, halting, changing range, and adjusting sensitivity.

3.5 General Operation

Details advanced operations including interference elimination, rain/snow clutter, sea clutter, trackball, VRM, and EBL usage.

Chapter 4 How to Interpret the PPI Screen

4.1 Height of and the Distance to the Target

Explains how target height and scanner unit height affect radar detection range and visibility.

4.3 Propagation Path of Radio Waves

Covers how obstacles like mountains or weather can shield radio waves and affect target visibility.

Chapter 5 Maintenance and Inspection

5.1 General Maintenance

Provides common maintenance steps like cleaning equipment, checking screws, and verifying connections.

5.6 Actions to Deal with Abnormalities and Breakdown

Provides a troubleshooting table listing common breakdowns and their conceivable causes, like fuse issues or unit failures.

Chapter 6 After-sales Service

When Asking for Repair

Instructs on steps to take when a system failure occurs, including consulting the dealer or JRC.

Chapter 7 Disposal

7.2 Disposal of Used Batteries

Provides safety precautions for disposing of lithium batteries, including insulation and non-combustible waste disposal.

Chapter 8 Specifications

8.1 General Specifications

Lists general technical specifications like picture system, resolution, display type, range scale, and environmental conditions.

8.2 Scanner Unit Specification

Provides detailed specifications for scanner units NKE-2042, NKE-2062, and NKE-2102, including dimensions, beam width, and pulse length.

Chapter 9 Installation

9.1 General

Emphasizes the importance of proper installation for radar capability, troubleshooting, and maintenance.

9.2 Installing the Scanner Unit

Guides on selecting the installation location for the scanner unit, considering obstacles and interference.

9.2.1 Selecting the Installation Location

Provides detailed considerations for scanner unit placement, including height, obstacles, and avoiding interference.

9.3 Installing an Indicator Unit

Outlines the components of an indicator unit and the installation method for easy observation and maintenance.

9.3.9 Connecting a GPS Receiver and NMEA Equipment

Guides on connecting JRC GPS receivers and other manufacturer's GPS or NMEA equipment.

9.3.10 Connecting a GPS Compass (JLR-10)

Explains how to connect the JLR-10 GPS compass using a dedicated cable or without it.

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