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Furuno MARK-2 1941 User Manual

Furuno MARK-2 1941
95 pages
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Furuno MARK-2 1941 Specifications

General IconGeneral
Power Output4 kW
Display Size10.4"
Display TypeLCD
Frequency9410 MHz ±30 MHz
Antenna Rotation Speed24 rpm

Summary

Safety Instructions

DANGER Notices

Explains DANGER notices for immediate hazardous situations.

WARNING Notices

Explains WARNING notices for potential hazardous situations.

CAUTION Notices

Explains CAUTION notices for unsafe practices or minor hazards.

Notice

Installation and Environmental Considerations

Requirements for mounting location, temperature, ventilation, and compass safety.

Magnetic Field Precautions

Guidance on keeping magnets away from equipment to prevent interference.

Foreword

Features

Overview of the radar's key capabilities and design features.

Specifications

Scanner Unit Specifications

Detailed technical specifications for the radar scanner unit.

Transceiver Module Specifications

Technical details of the radar transceiver module, including frequency and power.

Display Unit Specifications

Technical performance metrics for the radar display unit.

Environmental and Power Specifications

Details on operating conditions, power supply, and consumption.

Equipment List

Comprehensive list of included equipment, installation materials, and spare parts.

Operational Overview

The Control Panel

Identification and explanation of all controls on the radar's front panel.

Turning the Radar On and Off

Step-by-step instructions for safely powering the radar system.

Transmitting and Stand-by Modes

Explains the radar's transmission modes and on-screen indicators.

Stand-by Operation Features

Details on economy mode and displaying navigation data during stand-by.

Basic Operation Procedures

Fundamental operations like range selection and receiver sensitivity adjustment.

Adjusting Sea Clutter (A/C SEA)

Method for reducing sea clutter using the A/C SEA control.

Selecting Display Modes

How to choose display orientations like heading up, north up, and true motion.

Display Brightness and Mark Adjustments

Adjusting screen brilliance and how to erase heading marks.

Radar Tuning Procedures

Steps for performing automatic or manual tuning of the radar receiver.

The Radar Menu System

Guide to navigating and using the radar's main menu functions.

Measuring Target Range and Bearing

Techniques for measuring distances and directions to targets.

Reducing Radar Interference

Strategies to minimize interference from other radar sources or environmental factors.

Enlarging Display Area (Zoom)

Using the zoom function to magnify specific parts of the radar display.

Shifting the Radar Picture (Off Center)

How to move the vessel's position on the display to view surrounding areas.

Guard Alarm Configuration

Setting up the guard alarm to detect targets entering or exiting a zone.

Trailing Target Movement (Echo Trail)

Visualizing target history for collision avoidance using echo trails.

Displaying Navigation Data

Showing navigational information such as position and course on the radar screen.

Magnifying Long Range Echoes (Echo Stretch)

Enhancing faint echoes from distant targets for better visibility.

Watchman Function Operation

Utilizing the watchman feature for periodic radar scans and alerts.

Summary of Display Indications and Marks

A visual reference for all symbols and indicators on the radar display.

Application

Radar Wave Propagation and Horizon

Principles of radar wave travel and the concept of the radar horizon.

Target Reflection Characteristics

How target material and shape influence radar echo strength.

Range and Bearing Resolution Explained

Understanding the radar's ability to differentiate closely spaced targets.

Identifying False Echoes

Recognizing and understanding multiple and side-lobe echoes.

Indirect Echoes and Shadow Sectors

Causes and identification of indirect echoes and radar blind/shadow sectors.

Radar Position Fixing Methods

Techniques for determining the vessel's position using radar measurements.

Nautical Chart vs. Radar Picture

Comparison of radar display with nautical charts and radar limitations.

Maintenance

Routine Maintenance Procedures

Schedule and steps for maintaining the radar's performance and longevity.

Replacing Fuses

Safe instructions for replacing fuses to protect the radar unit.

Troubleshooting

Troubleshooting Guide for Users and Technicians

A table to help diagnose and resolve common operational problems.

Location of Key Components

Diagrams illustrating the physical placement of important internal parts for service.

Installation

Scanner Unit Installation Steps

Guidance on siting, handling, mounting, and connecting the scanner unit.

Display Unit Installation Steps

Guidance on mounting and connecting the display unit.

External Equipment Connections

Procedures for connecting external sensors and data sources to the radar.

Installation Verification Checklist

A checklist to confirm all installation steps were performed correctly.

Adjustments

Antenna Height Setting

Configuring antenna height for optimal radar performance.

Heading Alignment Procedure

Adjusting the radar display to accurately reflect the vessel's heading.

Sweep Timing Adjustment

Calibrating sweep timing for precise target detection on short ranges.

Magnetron Heater Voltage Verification

Checking the magnetron heater voltage to ensure proper operation.

Measuring Radar Shadow Sectors

Identifying and documenting blind and shadow sectors caused by obstructions.

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