Furuno CH-300 - Manual (Page 5)

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TABLE OF CONTENTS
FOREWORD ........................................................................................................ vi
SYSTEM CONFIGURATION.............................................................................. viii
1. OPERATIONAL OVERVIEW......................................................................... 1-1
1.1 Control Description .................................................................................................... 1-1
1.2 Remote Controller...................................................................................................... 1-2
1.3 Turning the Power On/Off .......................................................................................... 1-3
1.3.1 Power on......................................................................................................... 1-3
1.3.2 Power off......................................................................................................... 1-3
1.4 Raising, Lowering the Transducer.............................................................................. 1-4
1.4.1 Lowering the transducer.................................................................................. 1-4
1.4.2 Raising the transducer .................................................................................... 1-4
1.5 Adjusting Screen Brilliance, Panel Dimmer ................................................................ 1-5
1.6 Choosing a Display.................................................................................................... 1-6
1.7 Choosing a Frequency............................................................................................... 1-9
1.8 Mix Display .............................................................................................................. 1-11
1.9 Adjusting the Gain ................................................................................................... 1-13
1.10 Menu Overview........................................................................................................ 1-15
2. HORIZONTAL MODE .................................................................................... 2-1
2.1 Operational Overview ................................................................................................ 2-1
2.2 Typical Horizontal Mode Display ................................................................................ 2-2
2.3 Choosing a Range..................................................................................................... 2-3
2.4 Choosing Sector Width .............................................................................................. 2-4
2.5 Choosing Train Center............................................................................................... 2-5
2.6 Choosing a Tilt Angle ................................................................................................. 2-5
2.6.1 Tilt angle for surface fish ................................................................................. 2-6
2.6.2 Distinguishing fish echo from bottom echo in coastal waters ........................... 2-6
2.6.3 Suitable tilt angle............................................................................................. 2-8
2.7 Choosing Training Speed........................................................................................... 2-9
2.8 Changing Training Direction....................................................................................... 2-9
2.9 Finding Echo Position with the Cursor ..................................................................... 2-10
2.10 Event Marker ........................................................................................................... 2-11
2.11 Depth and Horizontal Range Markers ...................................................................... 2-12
2.12 Adjusting the Picture................................................................................................ 2-13
2.12.1 Suppressing bottom and surface reflections.................................................. 2-13
2.12.2 Suppressing bottom tail................................................................................. 2-14
2.12.3 Displaying weak echoes clearly..................................................................... 2-14
2.12.4 Erasing weak echoes .................................................................................... 2-16
2.12.5 Suppressing interference from marine life ..................................................... 2-17
2.12.6 Enlarging fish echoes (horizontal expansion display)..................................... 2-18
2.13 Target Lock.............................................................................................................. 2-19
2.13.1 Choosing a target lock mode......................................................................... 2-19
2.13.2 Position mode ............................................................................................... 2-19
2.13.3 Echo mode.................................................................................................... 2-20