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Furuno 1941 User Manual

Furuno 1941
91 pages
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Furuno 1941 Specifications

General IconGeneral
BrandFuruno
Model1941
CategoryMarine Radar
LanguageEnglish

Summary

Foreword

Features

Details the features and capabilities of the MODEL 1941 Marine Radar.

Specifications

Operational Overview

The Control Panel

Describes the purpose and function of each button and control on the radar's panel.

Turning the Radar On and Off

Provides step-by-step instructions for powering the radar unit on and off.

Transmitting & Stand-by

Explains the operational states of transmitting and stand-by for radar operation.

Basic Operation

Covers fundamental operational procedures like selecting range and adjusting sensitivity.

The Menu

Overview of the radar's main menu structure and its less-used functions.

Measuring Range and Bearing

Procedures for measuring distances and directions to targets using radar.

Reducing Interference

Information on identifying and reducing common types of radar interference.

Enlarging an Area of Interest (zoom)

Functionality to double the display area for a closer look at specific targets.

Shifting the Picture (off center)

Allows shifting the vessel's position on the display for better viewing.

Guard Alarm

Details the guard alarm feature for detecting targets entering or exiting a defined zone.

Trailing Target Movement (echo trail)

Feature to display target movement history for collision avoidance.

Displaying Navigation Data

How to display navigation information like position, speed, and course.

Magnifying Long Range Echoes (echo stretch)

Enhances visibility of weak echoes from long-range targets.

Watchman

Automated radar function to periodically check a guard zone.

Application

The Radar Wave and Radar Horizon

Explains the propagation characteristics of radar waves and the concept of radar horizon.

Target Properties and Radar Wave Reflection

Discusses how different target materials and shapes affect radar echo strength.

Range Resolution

Defines range resolution and its dependence on pulselength.

Bearing Resolution

Defines bearing resolution and its dependence on horizontal beamwidth.

False Echoes

Information on common false echoes like multiple echoes and their causes.

Position Fixing with Radar

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

Nautical Chart and Radar Picture

Compares radar display with a nautical chart and highlights radar limitations.

Maintenance

Routine Maintenance, Location of Parts

Guidelines for regular maintenance and identification of key components.

Replacing the fuse

Procedure for safely replacing fuses in the radar unit.

Location of parts

Diagrams showing the location of major internal components for maintenance.

Troubleshooting

Troubleshooting Table

A comprehensive table to diagnose and resolve common operational issues.

Installation

Scanner Unit Installation

Detailed instructions for the proper installation of the radar scanner unit.

Display Unit Installation

Instructions for the proper installation of the radar display unit.

Connection of External Equipment

How to connect external navigation sensors like heading sensors and navigators.

Checking the Installation

A checklist to verify that all installation steps have been completed correctly.

Adjustments

Procedures for adjusting the radar's performance after installation.

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