Onwa KF-667 manual Table of Contents

TABLE OF CONTENTS

INTRODUCTION

PRINCIPLE OF OPERATION

SYSTEM CONFIGURATION

1.CONTROLS, INDICATIONS 1-1

1.1Control Description 1-1

1.2Indications 1-3

2.BASIC OPERATION 2-1

2.1Turning the Power On/Off 2-1

2.2Adjusting Brilliance 2-1

2.3Display mode Selection, Description 2-1

2.4 Adjusting Gain 2-4

2.5Automatic Operation 2-4

2.6Selecting Picture Advance Speed 2-5

2.7Display Range selection 2-5

2.8Erasing Weak Echoes 2-6

2.9Measuring Depth to a Fish School 2-7

2.10A-scope Display 2-7

2.11Menu Operation 2-8

2.12Suppressing interference 2-11

2.13Suppressing Low Level Noise 2-11

2.14Selecting Background

and Echo Colors 2-12

2.15Alarms 2-12

2.16White Marker 2-14

3. INTERPRETING THE DISPLAY		3-1
3.1	Zero Line	3-1
3.2	Fish School Echoes	3-1

3.3Bottom Echo 3-1

3.4Surface Noise/Aeration 3-2

4.MAINTENANCE, TROUBLESHOOTING 4-1

4.1Maintenance 4-1

4.2 Basic Troubleshooting 4-3

4.3Transducer Check 4-4

4.4Water Temperature

Sensor (option) Check 4-4

MENU TREE A-1

SPECIFICATIONS SP-1

INDEX Index-1