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NorthStar 490 Echosounder Install Manual

Manual is about: NorthStar 490 Echosounder Car-echo sounder: User Manual

Summary of 490 Echosounder

  • Page 1

    490 e cho s ounder i nstallation m anual rev b2 part number gm491 northstar technologies 30 sudbury road acton, massachusetts 01720 www.Northstarnav.Com service: 978/897-0770 sales: 978/897-6600

  • Page 3: Limited Warranty Policy

    Limited warranty policy northstar technologies, inc., warrants the northstar 490 to be free from defects in materials and workmanship for a period of two (2) years. This warranty applies to the original purchaser and to any subsequent owner during the warranty period, which begins on the date of shi...

  • Page 5: Table of Contents

    490 installation manual, revision b2 page i table of contents section one introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 welcome to the northstar 490 . . . . . . . . . . . . . . . . . . ....

  • Page 6

    Page ii 490 installation manual, revision b2.

  • Page 7: Section One

    490 installation manual, revision b2 page 1 section one introduction welcome to the northstar 490 an echo sounder is a device that provides information about the water directly beneath a vessel. The echo sounder system consists of: • the northstar 490 echo sounder sensor • a northstar navigation sys...

  • Page 8: Who Should Read

    Section one introduction page 2 490 installation manual, revision b2 who should read this manual this manual is for marine technicians who are installing the northstar 490 and connecting it with the northstar 961/962 processor or northstar 957/958, and a transducer. Scope of this manual in this manu...

  • Page 9

    Section one introduction 490 installation manual, revision b2 page 3 • the northstar 490 echo sounder (-d or -s model) • 10-foot (3-meter) data cable to connect the 490 to the 961/962 or 957/958 • 10-foot (3-meter) power cable for the 490 • 490 parts kit (containing transducer cable end connector, b...

  • Page 10

    Section one introduction page 4 490 installation manual, revision b2.

  • Page 11: Section Two

    490 installation manual, revision b2 page 5 section two installing the transducer safety considerations warning! Be sure to turn the power off before starting the installation. Further, it is highly recommended that you keep power off while you’re performing the installation. If power is left on or ...

  • Page 12: Selecting A

    Section two installing the transducer page 6 490 installation manual, revision b2 selecting a transducer northstar recommends using an airmar transducer with the northstar’s 490 echo sounder. Caution! Mounting the transducer requires drilling holes through the hull; make sure the installation does n...

  • Page 13: Installation

    Section two installing the transducer 490 installation manual, revision b2 page 7 to purchase a single transducer, contact gem electronics at: gem electronics company 110 south acline avenue lake city, south carolina 29560 phone 843/394-3565 fax 843/394-3736 if you are a dealer and want to purchase ...

  • Page 14

    Section two installing the transducer page 8 490 installation manual, revision b2 the two most common problems with echo sounder installations stem from noise and cavitation. Either of these situations can produce poor performance. Noise occurs when the transducer cable is routed too closely to nois...

  • Page 15

    Section two installing the transducer 490 installation manual, revision b2 page 9 figure 1: recommended installation locations for a transducer table 2: hull thickness limits model minimum maximum airmar b44v/b744v with fairing 6 mm (1/4 inch) 19 mm (3/4 inch) airmar b44v/b744v without fairing 6 mm ...

  • Page 16: Installing A

    Section two installing the transducer page 10 490 installation manual, revision b2 installing a transducer a flat-bottom hull provides the best environment for mounting the transducer: it provides a horizontal surface and a constant water flow over the transducer, with little turbulence (see figure ...

  • Page 17: Maintaining A

    Section two installing the transducer 490 installation manual, revision b2 page 11 maintaining a transducer do not expose the transducer’s face or plastic housing to gasoline or strong solvents, such as acetone. These solvents can penetrate and degrade many plastics and reduce their strength. Using ...

  • Page 18

    Section two installing the transducer page 12 490 installation manual, revision b2.

  • Page 19: Section Three

    490 installation manual, revision b2 page 13 section three installing the 490 safety considerations warning! Be sure to turn the power off before starting the installation. Further, it is highly recommended that you keep the power off while you’re performing the installation. If power is left on or ...

  • Page 20: System

    Section three installing the 490 page 14 490 installation manual, revision b2 system components figure 5 on page 14 shows a configured 961/962 echo sounder system, and figure 6 on page 15 shows a configured 957/958 echo sounder system. Figure 5: 961/962 echo sounder system components caution! Be sur...

  • Page 21: Choosing A

    Section three installing the 490 490 installation manual, revision b2 page 15 figure 6: 957/958 echo sounder system components choosing a mounting location before any drilling or cutting takes place, carefully choose a mounting location for the 490 that meets the following criteria: • where the tran...

  • Page 22: Mounting The 490

    Section three installing the 490 page 16 490 installation manual, revision b2 mounting the 490 figure 7 below shows the mounting dimensions for the 490. The 490 may be mounted either horizontally or vertically. The keyhole slots make installation in hard-to-reach areas easier, but be sure to tighten...

  • Page 23: Wiring The 490

    Section three installing the 490 490 installation manual, revision b2 page 17 wiring the 490 the majority of installation problems are caused by shortcuts taken with system cables. When installing the 490, be sure that you: • assemble connectors carefully • don’t make sharp bends in the cables • lea...

  • Page 24

    Section three installing the 490 page 18 490 installation manual, revision b2 connecting the 490 to the 961/962 the connection between the 961/962 and the 490 requires the 10-foot (3-meter) data cable supplied by northstar. The cable connects to the p1 slot on the back of the 961/962. Figure 8 below...

  • Page 25

    Section three installing the 490 490 installation manual, revision b2 page 19 connecting the 490 to the 957/958 the connection between the 957/958 and the 490 requires the 10-foot (3-meter) data cable supplied by northstar. The cable connects to the aux port on the back of the 957/958. Figure 9 belo...

  • Page 26

    Section three installing the 490 page 20 490 installation manual, revision b2 connecting the 490 to a transducer figure 10 below shows how to terminate the transducer cable for connection to the 490. Pay close attention to whether you’re wiring a 490-s or a 490-d. See also the transducer connector i...

  • Page 27: Powering Up,

    Section three installing the 490 490 installation manual, revision b2 page 21 powering up, setting up, and powering down the 490 turning the 490 on for the 961/962 this section assumes that the 490, northstar 961/962, and transducer are now all properly connected. To use the 490 echo sounder, the 96...

  • Page 28: Installation-Test

    Section three installing the 490 page 22 490 installation manual, revision b2 setting up the echo sounder you’ll need to set the echo sounder display options on the 961/ 962 or 957/958’s echo sounder setup screen. Press the star key to display this screen and set these options. For details, see the ...

  • Page 29: Section Four

    490 installation manual, revision b2 page 23 section four troubleshooting and servicing the 490 troubleshooting common 490 installation problems typical problems you may encounter either during or after the 490 installation process are outlined in figure 11 on page 24 and figure 12 on page 25. In th...

  • Page 30

    Section four troubleshooting and servicing the 490 page 24 490 installation manual, revision b2 figure 11: 961/962 echo sounder system troubleshooting no echoes displayed when star key is pressed. Is the 961/962 software version 3.0 or greater? Has nmea port 3 been configured for the 490? Check the ...

  • Page 31

    Section four troubleshooting and servicing the 490 490 installation manual, revision b2 page 25 figure 12: 957/958 echo sounder system troubleshooting no echoes displayed when star key is pressed. Has 957 aux port been configured for the 490? Check the 490's stat indicator what is the flash rate of ...

  • Page 32: Getting Technical

    Section four troubleshooting and servicing the 490 page 26 490 installation manual, revision b2 getting technical support after you’ve followed the instructions in this manual, if you need additional technical or operations support for the 490, or if you have any other service-related questions, you...

  • Page 33: Ordering

    Section four troubleshooting and servicing the 490 490 installation manual, revision b2 page 27 hearing from you your feedback is important and helps northstar ensure that this manual is a valuable resource for all marine technicians. Send your questions, comments, or suggestions about this manual t...

  • Page 34: Returning A 490

    Section four troubleshooting and servicing the 490 page 28 490 installation manual, revision b2 returning a 490 for service the 490 is covered by a two-year hardware-only warranty, which, in summary, states that if the 490 is returned to the northstar factory by the owner or dealer during the warran...

  • Page 35: Appendix A

    490 installation manual, revision b2 page 29 appendix a technical specifications table 7: 490 technical specifications performance characteristics frequencies 50 and 200 khz output power 1000 watts (490-d); 600 watts (490-s) pulse lengths 0.1 to 2 ms pulse repetition rate 30 to 600 pulses/min alarms...

  • Page 36

    Appendix a technical specifications page 30 490 installation manual, revision b2 environmental characteristics temperature -25°c to +60°c operating temperature -55°c to +90°c storage temperature standards waterproof, sealed design meets the following: en60529 ip65; en60945 emissions; ce electrical c...

  • Page 37: Glossary

    490 installation manual, revision b2 page 31 glossary cavitation the formation of bubbles, which may negatively impact a transducer’s readings by reducing its ability to put energy into the water. Deadrise the rise of the bottom of a vessel above a horizontal line at the center of the vessel; that i...

  • Page 38

    Glossary page 32 490 installation manual, revision b2 water column an imaginary column through the water created by the path of a single transducer ping and its echoes..

  • Page 39: Index

    490 installation manual, revision b2 page 33 index a airmar technology corporation 7 c cable 490 and 957 19 490 and 961/962 18 490 and ship’s power 17 cautions installation 2, 5, 6, 13 interference with 490 13 tampering with the 490 14 transducer 5, 7, 22 troubleshooting the 490 22 wiring the 490 17...

  • Page 40

    Page 34 490 installation manual, revision b2 preferred mounting location 8 recommended incline angle 10 thru-hull installation with a fairing block 10 m maintenance, transducer 11 n northstar 490 echo sounder. See echo sounder northstar 957 gps/waas chart navigator 1, 3, 15, 21 northstar 961/962 gps...