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Furuno Manuals
Marine Radar
1721
Operator's manual
Furuno 1721 Operator's Manual
Marine radar
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Table Of Contents
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
Safety Information
Features
Specifications
Principle of Operation
Operational Overview
The Front Panel
Description of Controls
Display Screen Indications
Turning the Unit on and off
Basic Operation
Range Selection
Adjusting the Gain Control
Adjusting the A/C SEA Control
The MENU Touchpad
Tuning the Radar Receiver
Adjusting Front Panel Backlighting
Erasing the Heading Mark
Menu Description
Measuring Range and Bearing
Fixed Range Rings
Cursor/Vrm
Bearing
Unit of Range Measurement
Cursor
Ebl
Reducing Interference
Precipitation Clutter
Radar Interference
Shifting and Zooming the Display
Guard Alarm
Setting Guard Zone
Auto In/Out Alarm
Plotting
Plot Brilliance
Navigation Data
Better Distinction of Echoes
Watchman
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
False Echoes
Multiple Echoes
Side-Lobe Echoes
Blind and Shadow Sectors
Indirect Echoes
Radar Picture and Corresponding Chart
Position Fixing with Radar
Collision Avoidance and Relative Motion
Assessing the Risk
Maintenance
Scanner Unit Maintenance
Radome
Mounting Base
Display Unit Care
Cleaning the Display Screen
Fuse Replacement
Troubleshooting
Checking the Magnetron
Installation
General Mounting Considerations
Scanner Unit Installation
Mounting
Unpacking
Scanner Unit Outline Drawing
Optional Mounting Bracket Installation for Sailboat
Wiring and Final Preparation of Scanner Unit
Display Unit Installation
Installation of Rubber Vibration Isolators
Power Connection
Ground Connection
Gyrocompass (or Heading Sensor) Connection
External Navigational Receiver Connection
Checking the Installation
Adjustments
Sweep Timing
Timing Adjustment
Relative Bearing Alignment
Calculating Bearing Error
Location of Heading Mark Key
Display During Heading Adjustment
MAG or GYRO Indication
Range Unit Selection
Magnetron Heater Voltage
Measurement of Blind Shadow Sectors
List of Circuit Diagrams and Outline Drawings
Interconnection Diagram
Display Unit Diagram
Scanner Unit Diagram
Radar Display Unit Diagram
Radar Scanner Unit Diagram
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1
Specifications
2
The Front Panel
3
Troubleshooting
4
Wiring and Final Preparation of Scanner Unit
5
Interconnection Diagram
6
Scanner Unit Diagram
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