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INTRODUCTION
PRINCIPLE OF OPERATION
SYSTEM CONFIGURATION
1. CONTROLS, INDICATIONS
1.1 Control Description
1.2 Indications
2. BASIC OPERATION
2.1 Turning the Power On/Off
2.2 Adjusting Brilliance
2.3 Display mode Selection, Description
2.4 Adjusting Gain
2.5 Automatic Operation
2.6 Selecting Picture Advance Speed
2.7 Display Range selection
2.8 Erasing Weak Echoes
2.9 Measuring Depth to a Fish School
2.10 A-scope Display
2.11 Menu Operation
2.12 Suppressing interference
2.13 Suppressing Low Level Noise
2.14 Selecting Background
and Echo Colors
2-1
2-1
2-1
2-4
2-4
2-5
2-6
2-7
2-7
2-8
2-11
2-11
2-12
2.15 Alarms
2.16 White Marker
3. INTERPRETING THE DISPLAY
3.1 Zero Line
3.2 Fish School Echoes
3.3 Bottom Echo
3.4 Surface Noise/Aeration
4. MAINTENANCE, TROUBLESHOOTING
4.1 Maintenance
4.2 Basic Troubleshooting
4.3 Transducer Check
4.4 Water Temperature
Sensor (option) Check
MENU TREE
SPECIFICATIONS
3-1
3-1
3-1
3-1
3-2
4-1
4-1
4-3
4-4
4-4
A-1
SP-1
INDEX
1-3
1-1
1-1
2-1
2-5
2-14
TABLE OF CONTENTS
2-12
Index-1