Furuno CH-300 User Manual
Page 5

iii
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