Table of Contents
Advertisement
Quick Links
Download this manual
See also:
Operating Manual
Advertisement
Table of Contents
Related Manuals for NorthStar 490 Echosounder
Summary of Contents for NorthStar 490 Echosounder
- Page 1 490 E OUNDER NSTALLATION ANUAL Rev B2 Part Number GM491 Northstar Technologies www.NorthstarNav.com 30 Sudbury Road Service: 978/897-0770 Acton, Massachusetts 01720 Sales: 978/897-6600...
- Page 3 Call the Northstar dealer or Northstar for instructions. During the unit’s warranty period, Northstar will repair or replace, at its option, any part of the unit it finds to be defective due to faulty material(s) or workmanship. All such repairs and/or replacements will be promptly performed by Northstar free-of-charge to the owner, excluding freight costs incurred in shipping to the factory.
-
Page 5: Table Of Contents
Welcome to the Northstar 490 ........ - Page 6 Page ii 490 INSTALLATION MANUAL, Revision B2...
-
Page 7: Section One Introduction
The echo sounder system consists of: • the Northstar 490 echo sounder sensor • a Northstar navigation system such as the 961/962 or 957/ • a transducer The 490 is available in two models: •... -
Page 8: Who Should Read This Manual
Installation considerations Page 2 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. In this manual, you’ll find information about the following: •... - Page 9 Northstar 490 Echo Sounder Operations Manual (GM490) • warranty card Fill out the warranty card and mail it to Northstar. Review all of the installation requirements as outlined in Sections Two and Three. Install the transducer, then terminate the cable (see ”Connecting the 490 to a transducer”...
- Page 10 SECTION ONE Introduction Page 4 490 INSTALLATION MANUAL, Revision B2...
-
Page 11: Section Two Installing The Transducer
Safety considerations 490 INSTALLATION MANUAL, Revision B2 SECTION TWO Installing the transducer 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 turned on during the installation, fire, electrical shock, or other serious injury may occur. -
Page 12: Selecting A Transducer
Be sure that the transducer doesn’t interfere with any of the on-board systems. Check all other systems to ensure that their performance doesn’t degrade when the transducer is connected. Northstar recommends using an Airmar transducer with the Northstar’s 490 echo sounder. Table 1: Northstar-recommended transducers Manufacturer... -
Page 13: Installation Considerations
35 Meadowbrook Drive Milford, New Hampshire 03055-4613 Phone 603/673-9570 Fax 603/673-4624 For a list of transducers that are compatible with the Northstar 490, visit Northstar’s website at: www.NorthstarNav.com The following basic setup information isn’t a substitute for the installation instructions provided by the transducer’s manufacturer. - Page 14 SECTION TWO Installing the transducer Choose the mounting location to obtain the best possible performance from the transducer and the 490. Take into account the vessel’s maximum speed when selecting a mounting location, as turbulence can affect echo sounding capabilities. Page 8 The two most common problems with echo sounder installations stem from noise and cavitation.
- Page 15 Model AirMar B44V/B744V with fairing AirMar B44V/B744V without fairing AirMar B250 with fairing AirMar B250 without fairing Figure 1: Recommended installation locations for a transducer 490 INSTALLATION MANUAL, Revision B2 SECTION TWO Installing the transducer Table 2: Hull thickness limits Minimum 6 mm (1/4 inch) 6 mm (1/4 inch)
-
Page 16: Installing A Transducer
SECTION TWO Installing the transducer Installing a transducer Figure 3: Typical finished thru-hull installation with a fairing block (Airmar B44V) Page 10 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 2 for the recommended transducer incline angle). -
Page 17: Maintaining A Transducer
Maintaining a transducer Using anti-fouling paint Cleaning a transducer 490 INSTALLATION MANUAL, Revision B2 SECTION TWO Installing the 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. The transducer should be coated with water-based anti-fouling paint to prevent aquatic growth. - Page 18 SECTION TWO Installing the transducer Page 12 490 INSTALLATION MANUAL, Revision B2...
-
Page 19: Section Three Installing The 490
Safety considerations 490 INSTALLATION MANUAL, Revision B2 SECTION THREE Installing the 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 turned on during the installation, then fire, electrical shock, or other serious injury may occur. -
Page 20: System Components
SECTION THREE Installing the 490 System components NORTHSTAR 961/962 DISPLAY NORTHSTAR 961/962 PROCESSOR SHIP’S POWER (NORTHSTAR-SUPPLIED) Page 14 CAUTION! Be sure that the 490 doesn’t interfere with any of the on-board systems. Check all other systems to ensure that their performance doesn’t degrade when the 490 is turned on. -
Page 21: Choosing A Mounting Location
490 that meets the following criteria: • where the transducer is more than four feet away from the Northstar 961/962 or 957/958, to prevent mutual electrical and magnetic interference • where the transducer cable is kept securely away from other wires •... -
Page 22: Mounting The 490
SECTION THREE Installing the 490 Mounting the 490 Figure 7: 490 mounting dimensions and connector locations Page 16 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 all mounting screws securely. -
Page 23: Wiring The 490
8 Watts. The connection between ship’s power and the 490 requires the 10-foot (3-meter) power cable supplied by Northstar. The wires in the power cable must be connected as follows (black and white can be connected together at the power source): Red →... - Page 24 Page 18 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 illustrates the wiring at the 961/962 end of the cable.
- Page 25 Not connected 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 below illustrates the wiring for the 957/958 end of the cable.
- Page 26 SECTION THREE Installing the 490 Table 4: Cable connection between the 957/958 and 490 (cont.) 957/958 pin number * Pin 1 on the 957/958 AUX port requires two connections from the cable. The red wire is not connected on the 957/958 end, and should be insulated and capped. Connecting the 490 to a transducer Table 5: 490-to-transducer connector pin...
-
Page 27: Powering Up, Setting Up, And Powering Down The 490
To use the 490 echo sounder, the 961/962 must be running software version 3.0 or higher. If not, contact Northstar to obtain the upgrade CD. To install the upgrade, follow the steps on the back of the jewel box. -
Page 28: Installation-Test Checklist
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 Northstar 490 Echo Sounder Operations Manual (GM490). To turn off the 490, turn off the 961/962 or 957/958 by pressing and holding PWR until the screen goes dark. -
Page 29: Section Four Troubleshooting And Servicing The 490
Troubleshooting common 490 installation problems 490 INSTALLATION MANUAL, Revision B2 SECTION FOUR Troubleshooting and servicing the 490 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 the 961/962, the diagnostics screen may also help pinpoint the problem. - Page 30 SECTION FOUR Troubleshooting and servicing the 490 No echoes displayed when STAR key is pressed. Contact Northstar Service to upgrade to the latest version of 961/962 software. Configure NMEA Port 3 for the 490. See the 490 Operations Manual (GM490) for instructions.
- Page 31 Configure 957 Aux Port for the 490. See the 490 Operations Manual (GM490) for instructions. 1. Check fuses and circuit breakers. 2. Check power to 490 with a voltmeter. 3. Verify that the data cable between the 957 and the 490 is properly wired and connected.
-
Page 32: Getting Technical Support
490, or if you have any other service-related questions, you can contact either your dealer or the Northstar Service Department. You can reach Northstar’s Service Department by email, fax, U.S. mail, or phone as described in Table 6 below. -
Page 33: Ordering Replacement Parts
To order spare parts or replacement/missing parts, call the Northstar Sales Department at 978/897-0770. Repair of the 490 is performed only at the Northstar factory. Service includes a complete hardware and software check-out. NOTE: Field repairs are not authorized and will void the... -
Page 34: Returning A 490 For Service
490 is returned to the Northstar factory by the owner or dealer during the warranty period, Northstar will repair or replace, free of charge, any part found to be defective due to faulty materials or workmanship if the system has been properly installed and hasn’t been abused. -
Page 35: Appendix A Technical Specifications
Performance characteristics Frequencies Output power Pulse lengths Pulse repetition rate Alarms Update rate Zoom modes Auto modes Navigation data Display modes Physical characteristics Dimensions Weight 490 INSTALLATION MANUAL, Revision B2 APPENDIX A Technical specifications Table 7: 490 technical specifications 50 and 200 kHz 1000 watts (490-D);... - Page 36 APPENDIX A Technical specifications Environmental characteristics Temperature Standards Electrical characteristics Manual controls Gain Clutter Signal level Noise limiter White level Range Advance speed Depth units Installation calibrations Page 30 Table 7: 490 technical specifications (cont.) -25°C to +60°C operating temperature -55°C to +90°C storage temperature Waterproof, sealed design meets the following: EN60529 IP65;...
-
Page 37: Glossary
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 is, the slope of the hull away from the horizontal. - Page 38 Glossary water column Page 32 An imaginary column through the water created by the path of a single transducer ping and its echoes. 490 INSTALLATION MANUAL, Revision B2...
- Page 39 Airmar Technology Corporation Cable 490 and 957 490 and 961/962 490 and ship’s power Cautions installation 2, 5, 6, 13 interference with 490 tampering with the 490 transducer 5, 7, 22 troubleshooting the 490 wiring the 490 Echo sounder 1, 14 components of system definition of installation.
- Page 40 Maintenance, transducer Northstar 490 Echo Sounder. See Echo sounder Northstar 957 GPS/WAAS Chart Navigator Northstar 961/962 GPS Chart Navigator Northstar Technologies feedback on manuals sales department service department website.