3
Table Of Contents
Important Notice 5
Principle of Operation 6
Display Unit Installation 8
Transducer Installation 12
Basic Operation 20
Getting Started 24
Vertical and Horizontal Scanning Modes 25
Vertical (Probe) Mode:
Set-Up View 28
Demo Program 28
Units of Measure 28
Language Selection 29
Transducer Level Adjustment 29
Forward View (Full Scan) 30
Plot (Track Plot) View 33
Chart View 35
Data View 39
Chart/Plot View 42
Chart/Scan View 44
Horizontal (Sea Scout) Mode:
Set-Up View 47
Alignment Adjustment 48
Forward View (Full Scan) 49
Plot (Track Plot) View 52
Chart View 54
Data View 58
Chart/Plot View 61
Chart/Scan View 63
NMEA 0183 Interface 66
Interpreting the Twinscope’s Forward Vertical (Probe) Display 67
Distance Forward 68
Noise and Sensitivity Adjustments 68
Transducer Sidelobe Effect 68
Interpreting the Twinscope’s Forward Horizontal (Sea Scout) Display 70
Noise and Sensitivity Adjustments 71
Reference Information 73
FAQ’s (Frequently Asked Questions) 76
Maintenance 78
Reset Unit & Calibration 79
Troubleshooting Guide 80
Interference Problems 81
Specifications 82
How To Obtain Service 85
Warranty 87
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