v
TABLE OF CONTENTS
FOREWORD ..........................................................................................................xi
SYSTEM CONFIGURATION ................................................................................xiii
1.
OPERATIONAL OVERVIEW .........................................................................1-1
1.1
Control Description ................................................................................................1-1
1.2
Turning the Power On/Off ......................................................................................1-2
1.2.1
Turning the power on ...................................................................................1-2
1.2.2
Turning the power off ...................................................................................1-2
1.3
Lowering, Raising the Transducer.........................................................................1-3
1.3.1
Lowering the transducer...............................................................................1-3
1.3.2
Raising the transducer .................................................................................1-3
1.4
Screen Brilliance ....................................................................................................1-3
1.5
Control Panel Dimmer ...........................................................................................1-4
1.6
Display Mode, Display Division .............................................................................1-6
1.6.1
Selecting a display mode .............................................................................1-6
1.6.2
Sample display mode pictures .....................................................................1-7
1.7
Adjusting the Gain................................................................................................1-13
1.8
Menu Overview ....................................................................................................1-14
2.
HORIZONTAL MODE ....................................................................................2-1
2.1
Basic Operating Procedure ...................................................................................2-1
2.2
Indications and Marks............................................................................................2-2
2.2.1
Horizontal mode...........................................................................................2-2
2.2.2
Horizontal2 mode.........................................................................................2-3
2.3
Display Range........................................................................................................2-7
2.4
Tilt Angle.................................................................................................................2-8
2.4.1
Setting the tilt angle .....................................................................................2-8
2.4.2
Automatic tilt ................................................................................................2-9
2.4.3
Relation between bottom echo and tilt angle.............................................. 2-11
2.4.4
Tilt angle for surface fish ............................................................................2-12
2.4.5
Suitable tilt angle........................................................................................2-13
2.5
Measuring Range and Bearing to a Target .........................................................2-14
2.6
Eliminating Weak Echoes ....................................................................................2-15
2.7
Suppressing Bottom Tail ......................................................................................2-17
2.7.1
Adjust AGC ................................................................................................2-17
2.7.2
Decrease pulse length ...............................................................................2-18
2.7.3
Adjust 2
nd
AGC...........................................................................................2-18
2.7.4
Adjust Near AGC........................................................................................2-19
2.8
Suppressing Bottom and Sea Surface Reflections in Shallow Waters ..............2-20
2.9
Rejecting Sonar Interference and Noise .............................................................2-21
2.9.1
Identifying noise source .............................................................................2-21
2.9.2
Interference rejector...................................................................................2-21
2.9.3
Changing Tx interval ..................................................................................2-22
2.9.4
Shifting Tx frequency .................................................................................2-22
2.9.5
Noise limiter ...............................................................................................2-23
Summary of Contents for FSV-84
Page 1: ...COLOR SCANNING SONAR FSV 84 ...
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Page 34: ...1 OPERATIONAL OVERVIEW 1 18 This page intentionally left blank ...
Page 158: ...4 SLANT MODE 4 48 This page intentionally left blank ...
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