User Manuals: Furuno CHS-5LMARK-2-68 Scanning Sonar

Manuals and User Guides for Furuno CHS-5LMARK-2-68 Scanning Sonar. We have 1 Furuno CHS-5LMARK-2-68 Scanning Sonar manual available for free PDF download: Operator's Manual

Furuno CHS-5LMARK-2-68 Operator's Manual

Furuno CHS-5LMARK-2-68 Operator's Manual (90 pages)

SCANNING SONAR

Brand: Furuno | Category: Sonar | Size: 5 MB

Table of Contents

Table of Contents
6
Foreword

9
System Configuration

10
1 Operational Overview

13
- Control Unit
  13
- Remote Controller (Option)
  14
- Basic Operating Procedure
  15
  - Turning on the Power
    15
  - Lowering the Transducer
    15
  - Transmitting
    16
  - Adjusting Backlighting of Control Unit
    17
  - Choosing a Display Mode
    18
  - Choosing the Display Range
    20
  - Adjusting the Gain
    21
  - Setting the Tilt Angle
    22
  - Automatic Tilt On/Off
    22
  - Bottom and Tilt Angle
    23
  - How to Discriminate Fish Echoes from the Bottom
    24
  - Points to Consider
    24
  - Tilt Angle for Surface Fish
    24
  - Suitable Tilt Angle
    25
- Finding Range and Bearing to a Target
  26
- Sonar Menu Overview
  27
  - Operating Procedure
    27
  - Sonar Menu Description
    28
2 Fine Tuning the Sonar Picture

31
- Eliminating Unwanted Echoes
  31
- Displaying Surface Fish Clearly
  32
- Suppressing Bottom Tail
  32
  - Agc
    32
  - Pulse Length
    33
  - 2Nd Agc
    33
- Suppressing Bottom and Sea Surface Reflections in Shallow Fishing Grounds
  34
- Rejecting Sonar Interference and Noise
  35
- Choosing Beamwidth
  37
  - Horizontal Beamwidth
    37
  - Vertical Beamwidth
    37
- Deleting Weak Echoes
  37
- Echo Averaging
  37
3 Advanced Sonar Operation

39
4 Echosounder Mode

49
- Choosing the Range
  49
- Adjusting the Gain
  50
- Picture Advance Speed
  51
- Measuring Depth
  51
- Suppressing Interference
  52
- Suppressing Low Level Noise
  52
- Erasing Weak Echoes
  53
- Other Items on the Sounder Menu
  53
5 Marks and Data

55
- Marks and Data on the Normal Display
  55
- Marks and Data on the Echosounder and Audio Displays
  59
6 Interpreting the Display

61
- Bottom Echo
  61
- School of Fish
  62
- Sea Surface Reflections
  63
- Wake
  63
- False Echo by Sidelobe
  64
- Noise and Interference
  64
7 Marks and System Menus

65
- MARKS Menu
  65
- SYSTEM Menu
  67
- Activation Code
  69
8 Maintenance, Troubleshooting

71
- General Maintenance
  71
- Cleaning the Equipment
  71
- Hull Unit Maintenance
  72
  - Lubrication Points, Zinc Plate
    72
  - Manually Raising the Transducer
    73
- Fuse Replacement
  74
- Fan Replacement
  74
- Troubleshooting
  75
- Error Messages
  76
- Diagnostic Tests
  77
  - Choosing a Diagnostic Test
    77
  - Description of Diagnostic Tests
    78
Appendix

83
- Specifications
  85
- Index
  87

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