Onwa KF-667 manual Table of Contents

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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

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Contents Model KF-667 Safety Instructions Table of Contents Introduction FeaturesPage Principle of Operation Display Unit System ConfigurationPower TransducerTD/Temp Control Function CONTROLS, IndicationsBrill Voltage IndicationsDisplay mode selection Turning the Power On/OffAdjusting Brilliance Display Mode Selection, DescriptionDisplay mode description 200K, 50K high frequency, low frequency modeDual frequency mode Marker Zoom Zoom mode high or low frequencyEnabling automatic operation Adjusting GainAutomatic Operation How it worksSelecting Picture Advance Speed Display Range SelectionBasic range selection Range shifting Erasing Weak EchoesScope Display Measuring Depth to a Fish SchoolMenu selection Menu OperationSystem Menu Main menu descriptionMenu item Description System Menu System menu descriptionSuppressing Low Level Noise Suppressing InterferenceAlarms Alarm descriptionSelecting Background and Echo Colors Silencing the buzzer Activating/deactivating an alarmWhite Marker Bottom Echo Interpreting the DisplayZero Line Fish School EchoesSurface Noise/Aeration General checking MAINTENANCE,TROUBLESHOOTINGMaintenance Replacement of fuseMaintenance of the transducer CleaningBasic troubleshooting Basic TroubleshootingTransducer Check Water Temperature Sensor option CheckMENU1 Menu TreeKF-667 Specifications on Color Video SounderPower Supply Index