NorthStar Navigation 491 installation manual Index

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14

16

Index

A

Airmar Technology Corporation 4

C

Cable

491 and 961/962 14

491 and ship’s power

491 to 957/958/6000i

Cautions installation 2, 3, 11

interference with 491 11

tampering with the 491 11 transducer 3, 5, 19

troubleshooting the 491 19 wiring the 491 14, 17

E

Echo sounder

components of system 1, 12 definition of 29

installation. See Installation, 491 serial number 26

setup options 19 specifications 27 STAT indicator light 18 turning off 19 turning on 18

wiring 14

Electrical power, requirements 14

F

Fairing block, definition of 29

I

Installation

491

cautions 2, 11, 14, 17, 19 connecting to 957/958/6000i 16 connecting to 961/962 14 connecting to ship’s power 14 electrical power requirements 14 general considerations 2 mounting dimensions 13 mounting location 13

491 INSTALLATION MANUAL Revision A

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Contents Echo Sounder Installation Manual Page Table of Contents Page Who should read this manual Scope of this manual Section ONE IntroductionWelcome to the Northstar Installation considerations Safety considerations Section TWO Installing the transducerAirmar transducer elements Northstar-recommended transducersDo not mount the transducer Choosing a mounting locationHull thickness limits LWL Installing the transducerLWL Using anti-fouling paintDetail Cleaning a transducerPage Section Three Installing Section Three Installing Installation Manual Revision a Echo sounder system components with the Northstar 961/962 System components190 dia 360 dia MountingConnecting the 491 to the 961/962 WiringInterface cable connection from 961/962 to Cable connection between the 961/962Connecting the 491 to the 957/958 491-to-transducer connector pin wiring Connecting the 491 to a transducerFor the 961/962 Initial checkoutTurning the 491 on For the 957/958/6000i Installation test checklistSetting up the echo sounder Turning the 491 offStatus LED Section Four Troubleshooting and servicing961/962 echo sounder system troubleshooting 957/958/6000i echo sounder system troubleshooting Contacting Northstar Getting technical supportHearing from you Ordering replacement parts ServicingReturning a 491 for service 491 technical speciﬁcations Appendix a Technical speciﬁcations ON/OFF Cavitation Deadrise Echo sounder Fairing block Transducer GlossaryGlossary Installation Manual Revision a Index 491 Index Index Installation Manual Revision a