Document Outline

• SAFETY INSTRUCTIONS
• TABLE OF CONTENTS
• FOREWORD
  • A Word to CSH-23F/24F Owners
  • Features
  • System Configuration
• CONTROL DESCRIPTION
  • Control Layout on Display Unit, Processor Unit and Remote Control Box
  • Main Panel
  • Sub Panel 1
  • Sub Panel 2 (data setting window)
  • Remote Control Box
• OPERATIONAL OVERVIEW
  • Turning the Power On/Off
  • Adjusting Screen Brilliance, Control Panel Backlighting
  • Lowering the Transducer
  • Selecting a Display Mode
  • Selecting a Display Range
  • Setting the Tilt Angle
  • Adjusting the Gain
  • Measuring Range and Bearing to a Target
• FINE TUNING THE PICTURE
  • Eliminating Unwanted Feeble Echoes
  • Suppressing Seabed Tail
  • Suppressing Seabed and Sea Surface Reflections in Shallow Waters
  • Rejecting Sonar Interference and Noise
  • Adjusting Beamwidth
• MARKS AND DATA
  • Marks, Data and Display Mode
  • Permanently Displayed Marks and Data
  • Erasable Marks and Data
• MENU OVERVIEW
  • USER Menu Operation
  • USER Menu Description
  • SYSTEM Menu Description
  • DATA SET Menu Description
  • INIT SET/TEST Menu Description
• FUNCTION KEYS
  • Programming the Function Keys
  • Replaying a Function Key
  • Function Key Fine Tuning
  • Saving Function Key Settings to a Memory Card
  • Replaying Function Key Settings from a Memory Card
• ADVANCED LEVEL OPERATION
  • Finding Fish School Center
  • Tracking a Fish School (target lock)
  • Detecting Fish Schools Aurally
  • The Fish Alarm
  • Relocating Fish School for Easy Observation
  • Comparing of Fish School Concentration
  • Measuring Fish School Speed
  • The Event Mark
  • True Motion Display
  • Plotting Net Location Mark
  • Observing Net Behavior
  • Target Slice Display
• VERTICAL SCANNING DISPLAY
  • Using Vertical Scanning Display
  • Application to Bonito and Tuna Fishing
• PORT/STARBOARD, HORIZONTAL SLICE DISPLAYS
  • Port/Starboard display
  • Horizontal slice display
• MEMORY CARD OPERATIONS
  • Initializing Memory Cards
  • Saving the Picture
  • Transferring Echo Data from Internal Memory to Memory Card
  • Saving Net Shooting Data
  • Replaying Saved Data
  • Deleting Memory Card Contents
• TURNING MARKS, DATA ON/OFF
• INTERPRETING THE DISPLAY
  • Seabed Echoes
  • Fish Schools
  • Sea Surface Reflections
  • Wake
  • False Echo by Sidelobe
  • Noise and Interference
• WARNINGS
  • Overvoltage Warning
  • Unretracted Transducer Warning
• SELF TESTS
  • Opening the Self Test Menu
  • Self Test Description
  • Interface Unit CS-120A Self Test
• INPUT DATA SELECTION
  • Selection of Data at Interface Unit CS-120A
  • Setting Distances Between Net Sonde Transmitters
• MAINTENANCE
  • Display Unit Maintenance
  • Hull Unit Maintenance
  • Replacement of Fuse, Memory Card Battery
• MENU TREE
  • USER Menu
  • DATA SET Menu
  • INIT SET/TEST Menu
  • SYSTEM Menu
• SPECIFICATIONS
  • 1. GENERAL
  • 2. DISPLAY
  • 3. HULL UNIT
• INDEX