NorthStar Navigation installation manual Connecting the 491 to the 957/958

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SECTION THREE — Installing the 491

Connecting the 491 to the 957/958/ 6000i

The connection between the 957/958/6000i and the 491 requires the

10-foot (3-meter) data cable supplied with the 491. The cable connects to the AUX port on the back of the navigator.

The cable is shipped with the connector installed — the following infor- mation is provided for cases where it is necessary to remove and reinstall the connector.

Figure 9 below illustrates the wiring for the navigator end of the cable. Table 5 describes the pin’s functions.

Brown (pin 1)

Green (pin 1)

White (pin 2)

Blue (pin 6)

Orange (pin 5)

Violet (pin 4)

Black (pin 3)

Figure 9: Interface cable connection from 957/958/6000i to 491

Table 5: Cable connection between the 957/958/6000i and 491

navigator pin number

AUX port signal name

Cable wire color

 

 

 

1*

Shield/Gnd

Brown

 

 

 

1*

Remote On Gnd

Green

 

 

 

2

Remote On input

White

 

 

 

3

NMEA AUX In (B)

Black

 

 

 

4

NMEA AUX Out (A)

Violet

 

 

 

5

NMEA AUX Out (B)

Orange

 

 

 

6

NMEA AUX In (A)

Blue

 

 

 

* Pin 1 on the 957 AUX port requires two connections from the cable.

The red wire is not connected on the navigator end, and should be insulated and capped.

491 INSTALLATION MANUAL Revision A

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Contents Echo Sounder Installation Manual Page Table of Contents Page Section ONE Introduction Welcome to the NorthstarWho should read this manual Scope of this manual 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 transducerInitial checkout Turning the 491 onFor the 961/962 Setting up the echo sounder Installation test checklistTurning the 491 off For the 957/958/6000iStatus 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 specificationsON/OFF Cavitation Deadrise Echo sounder Fairing block Transducer GlossaryGlossary Installation Manual Revision a Index 491 Index Index Installation Manual Revision a