NorthStar Navigation 491 instruction

SECTION THREE — Installing the 491

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491 INSTALLATION MANUAL Revision A

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NorthStar Navigation 491 installation manual Section Three Installing Installation Manual Revision a

Contents

Echo Sounder Installation Manual Page Table of Contents Page Welcome to the Northstar Section ONE IntroductionWho should read this manual Scope of this manual Installation considerations Section TWO Installing the transducer Safety considerations Northstar-recommended transducers Airmar transducer elements Choosing a mounting location Do not mount the transducer Hull thickness limits Installing the transducer LWL Using anti-fouling paint LWL Cleaning a transducer DetailPage Section Three Installing Section Three Installing Installation Manual Revision a System components Echo sounder system components with the Northstar 961/962 Mounting 190 dia 360 dia Wiring Connecting the 491 to the 961/962 Cable connection between the 961/962 Interface cable connection from 961/962 to Connecting the 491 to the 957/958 Connecting the 491 to a transducer 491-to-transducer connector pin wiring Turning the 491 on Initial checkoutFor the 961/962 Installation test checklist Setting up the echo sounderTurning the 491 off For the 957/958/6000i Section Four Troubleshooting and servicing Status LED 961/962 echo sounder system troubleshooting 957/958/6000i echo sounder system troubleshooting Getting technical support Contacting Northstar Ordering replacement parts Servicing Hearing from you Returning a 491 for service Appendix a Technical speciﬁcations 491 technical speciﬁcations ON/OFF Glossary Cavitation Deadrise Echo sounder Fairing block Transducer Glossary Installation Manual Revision a Index 491 Index Index Installation Manual Revision a