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NorthStar Navigation 491 User Manual

Page 3

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Table of Contents

SECTION ONE — Introduction

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Welcome to the Northstar 491

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Who should read this manual

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Scope of this manual

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Installation considerations

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SECTION TWO — Installing the transducer

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Safety considerations

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Selecting a transducer

- - - - - - - - - - - - - - - - - - - - - 4

Installation considerations

- - - - - - - - - - - - - - - - - - - 5

Choosing a mounting location

- - - - - - - - - - - - - - - - - 5

Installing the transducer

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Maintaining the transducer

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SECTION THREE — Installing the 491

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Safety considerations

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System components

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Choosing a mounting location

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Mounting the 491

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Wiring the 491

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Initial checkout

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Installation test checklist

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SECTION FOUR — Troubleshooting and servicing the 491

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Common 491 installation problems

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The status LED

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Getting technical support

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Ordering replacement parts

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Servicing the 491

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Returning a 491 for service

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APPENDIX A — Technical specifications

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Glossary

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Index

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