Furuno 1751 Operator's Manual page 5

Tabte of Contents
Radar horizon.3-2
Target properties .3-3
INTERPRETING THE DISPLAY .3-4
Land targets .3-4
Ship targets.3-5
Echo size.3-5
FALSE ECHOES .3-6
Multiple echoes.3-6
Side-Lobe echoes.3-6
Blind and shadow sectors .3-7
Indirect echoes.3-7
RADAR PICTURE AND CORRESPONDING CHART.3-8
POSITION FIXINGWITH RADAR.3-9
By radar range .3-9
By range and bearing to a point of land .3-9
By two bearings .3-10
COLLISION AVOiDANCE AND RELATIVE MOTION.3-11
Assessing the risk.3-12
4. MAINTENANCE.4-1
GENERAL .4-1
SCANNER UNIT .4-1
Radiator.4-1
DISPLAY UNIT.4-2
Cleaning the display screen.4-2
Fuse replacement.4-2
5. TROUBLESHOOTING. 5-1
BASIC TROUBLESHOOTING.5-2
ADVANCED TROUBLESHOOTING .5-3
Typical problems and their causes .5-3
CHECKING THE MAGNETRON.5-4
6. INSTALLATION.6-1
GENERAL MOUNTING CONSIDERATIONS.6-1
SCANNER UNIT INSTALLATION .6-2
Siting conskJerations .6-2
Mountlng.6-3
Connections.6-4
Final preparation.6-5
DISPLAY UNIT INSTALLATION .6-9
Installation of rubber vibration Isolators.6-10
Antenna connection.6-10
Power connection.6-10
Ground connection.....6-11
Gyrocompass (or heading sensor) connection (option) .6-11
External navigational receiver connection (option).6-12
Fuse exchange for 24/32 VDC power supplles.6-13
CHECKING THE INSTALLATION.6-14
ADJUSTMENTS.6-15
Initial procedures .6-15
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