Furuno FSV-30, Operator'S Manual

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iii
TABLE OF CONTENTS
FOREWORD ...................................................................................................... viii
SYSTEM CONFIGURATION ................................................................................. x
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 ........................................................................................................... 1-12
1.8 Menu
Overview................................................................................................................ 1-13
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 Horizontal1 & horizontal2 mode............................................................................ 2-3
2.3 Display Range.................................................................................................................... 2-6
2.4 Tilt Angle ............................................................................................................................ 2-7
2.4.1 Setting the tilt angle .............................................................................................. 2-7
2.4.2 Automatic
tilt.......................................................................................................... 2-7
2.4.3 Relation between bottom echo and tilt angle........................................................ 2-9
2.4.4 Tilt angle for surface fish..................................................................................... 2-10
2.4.5 Suitable tilt angle..................................................................................................2-11
2.5 Finding Range and Bearing to a Target............................................................................2-11
2.6 Eliminating
Weak Echoes................................................................................................ 2-12
2.7 Suppressing Bottom Tail.................................................................................................. 2-14
2.7.1 AGC..................................................................................................................... 2-14
2.7.2 By
decreasing pulselength.................................................................................. 2-15
2.7.3 2
nd
AGC ............................................................................................................... 2-15
2.7.4 Near AGC............................................................................................................ 2-16
2.8 Suppressing Bottom and Sea Surface Reflections in Shallow........................................ 2-17