Furuno 1751 Operator's Manual

Furuno marine radar user manual

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Operator's manual (84 pages)

Table Of Contents

Table of Contents

Table of Contents
General Safety Information
Operating Precautions
Features
Specifications
Compass Safe Distance
Equipment List
Complete Set
Installation Materials
Spare Parts
Option
Principle of Operation
Operational Overview
The Front Panel
Description of Controls
Display Screen Indications
Turning the Unit on and off
Basic Operation
Display Unit
Range Selection
Tips on Selecting Range
Location of Range and Fixed Range Ring Indications
Adjusting the GAIN Control
Tips on Adjusting GAIN
Adjusting the A/C SEA Control
Tips on Adjusting A/C Sea
The Menu Touchpad
Tuning the Radar Receiver
Adjusting Display Brightness
Adjusting Front Panel Backlighting
Measuring Range and Bearing
Fixed Range Rings
Cursor/Vrm
Bearing
Unit of Range Measurement
Cursor
Ebl
Tips on Measuring Bearing
Reducing Interference
Precipitation Clutter
Effect of FTC
Radar Interference
Effect of Radar Interference Rejection Circuit
Shifting and Zooming the Display
Guard Alarm
Setting Guard Zone
Auto In/Out Alarm
Plotting
Plot Brilliance
Plotting Indications
Navigation Data
Navigation Data on the Screen
Better Distinction of Echoes
Watchman
Watchman Mode
Application
Factors Affecting Minimum Range
Sea Return
Vertical Beamwidth
Factors Affecting Maximum Range
Radar Horizon
Target Properties
Interpreting the Display
Land Targets
Ship Targets
Echo Size
Beamwidth Versus Target Appearance
False Echoes
Multiple Echoes
Side-Lobe Echoes
Blind and Shadow Sectors
Indirect Echoes
Radar Picture and Corresponding Chart
Position Fixing with Radar
By Radar Range
By Range and Bearing to a Point of Land
By Two Bearings
Position Fixing Using Two Bearings
Collision Avoidance and Relative Motion
Radar Echo on each Ship
Assessing the Risk
Maintenance
General
Scanner Unit
Radiator
Cleaning the Display Screen
Fuse Replacement
Troubleshooting
Basic Troubleshooting
Advanced Troubleshooting
Typical Problems and Their Causes
Checking the Magnetron
Display Unit Left Side View
Display Unit Right Side View
Inside of Scanner Upper Housing
Inside of Scanner Lower Housing
Installation
General Mounting Considerations
Scanner Unit Installation
Siting Considerations
Mounting of Scanner Unit
Bolt to be Prepared Locally
Mounting of Scanner Housing
Connections
Cable Connection and Grounding
Final Preparation
Appliance Prohibited Areas
Antenna Radiator Mounting
Place of Magnet
Display Unit Installation
Display Unit Outline Drawing
Installation of Rubber Vibration Isolators
Antenna Connection
Power Connection
Rubber Vibration Isolator
Ground Connection
Gyrocompass Connection
Gyro Connection
External Navigational Receiver Connection
Fuse Exchange for 24/32 VDC Power Supplies
Navigational Receiver Connection
Detailed Wiring Diagram
Checking the Installation
Right-Side View of Display Unit
Installation Checklist
Adjustments
Initial Procedures
Sweep Timing
Examples of Improper and Correct Sweep Timings
Installation Menu
Timing Adjustment
Relative Bearing Alignment
Calculating Bearing Error
Display of Heading Adjustment
Display During Heading Adjustment
MAG or GYRO Indication
Range Unit Selection
MAG/GYRO Selection
NK/KM Selection
Magnetron Heater Voltage
Inside of Scanner Unit
Measurement of Blind Shadow Sectors
Shadows Caused by Objects
Shadow Sector Diagram
List of Circuit Diagrams and Outline Drawings

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