Nortel Networks 2210 Cordless Telephone User Manual
Contents
1. to the 961 962 3 meter data cable supplied with the 491 The cable connects to the P1 slot on the back of the navigator The cable is shipped with a round 6 pin connector that attaches to other Northstar navigators To install the 491 with a 961 or 962 you must cut off and discard the 6 pin connector and wire the cable as shown below Be sure you don t cut off the 8 pin connector that plugs into the 491 Figure 8 below illustrates the wiring at the 961 962 end of the cable Table 4 describes the pin s functions 491 INSTALLATION MANUAL Revision A PAGE 15 SECTION THREE Installing the 491 961 962 P1 Connector Plug Wiring Side View Green Data Cable Red not eH lPe d eqpPe CTT NTT w Ee S ES FIGURE 8 Interface cable connection from 961 962 to 491 Table 4 Cable connection between the 961 962 and 491 961 962 pin number 961 962 P1 signal name Cable wire color 9 Port 3 In A Blue 10 Port 3 In B Black 11 Ground Brown 127 Port 3 Out A Violet 12 Port 3 Out A White 13 Port 3 Out B Orange 16 Ground Green ji Not connected Red Connector P1 pin 12 on the 961 962 requires two connections from the cable The red wire is not connected on the 961 962 end and should be insulated and capped PAGE 16 491 INSTALLATION MANUAL Revision A SECTION THREE Installing the 491 Connecting the 491 The connection between the 957 958 6000i and t2. 491 Wiring the 491 CAUTION A Make sure that fuse or circuit breaker protection is provided at the power source The majority of installation problems are caused by shortcuts taken with system cables When installing the 491 be sure that you e assemble connectors carefully e don t make sharp bends in the cables e leave service and drip loops so that moisture won t run down the cables and into the 491 or the navigator e tie wrap all cables to keep them secure e if cables are shortened lengthened not recommended or re termi nated seal all wiring splices e prevent interference from the transducer cable Electrical power The 491 is a negative ground system that is reverse polarity and over requirements voltage protected The unit requires 8 to 36 VDC power at 8 Watts Connecting the 491 The connection between ship s power and the 491 requires the 10 foot to ship s power 3 meter power cable supplied with the 491 The wires in the power cable must be connected as follows black and white can be connected together at the power source e Red Positive fused lead e Black Negative e Green gt Ground earth NOTE The 491 should be grounded to the vessel to eliminate interfer ence Secure the green wire to the vessel s nearest grounding point Without an earth grounding performance may be degraded Connecting the 491 The connection between the 961 962 and the 491 uses the 10 foot
3. A PAGE 13 SECTION THREE Installing the 491 Choosing a Before any drilling or cutting takes place carefully choose a mounting mounting location for the 491 module that meets the following criteria location e where the transducer cable is kept securely away from other wires e where the path for running the required electrical cabling is reason ably direct keep in mind the different cable lengths e where the 491 won t be exposed to water e where the status indicator on the front of the 491 can be observed for system testing and troubleshooting NEVER MOUNT THE 491 MODULE IN THE BILGE Mounting the Figure 7 shows the mounting dimensions for the 491 The 491 may be 491 mounted either horizontally or vertically The mounting template supplied with the unit may be helpful in plan ning the installation and locating the mounting holes The keyhole slots make installation in hard to reach areas easier but be sure to tighten all mounting screws securely Leave room for installing and removing cables 0 190 dia 0 360 dia 2 35 E A kanmo 1 Speed 2 Speed HThemistor O OS Speed Tenis Allow space 3 aes ats aes jin HO Depth o 9 Depth for cabling from connectors 6 24 7 22 DATA TRANSDUCER Dimensions in inches 0 190 dia FIGURE 7 491 mounting dimensions and connector locations PAGE 14 491 INSTALLATION MANUAL Revision A SECTION THREE Installing the
4. meters Advance speed 1 8 to 2 1 Depth units Feet meters fathoms Installation calibrations Speed temperature gain transducer depth offset 491 INSTALLATION MANUAL Revision A cavitation deadrise echo sounder fairing block transducer water column Glossary The formation of bubbles which may negatively impact a transducer s readings by reducing its ability to put energy into the water 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 An instrument that uses sound waves to measure the depth of a body of water or an object such as a school of fish below the water s surface A block used to create a horizontal surface for mounting a thru hull transducer when the vessel s deadrise is more than 5 degrees The device mounted through the hull to send and receive ultrasonic beams that determine seabed conditions and locate fish Essentially a transducer is an energy converter which changes electricity to sound send and sound to electricity receive An imaginary column through the water created by the path of a single transducer ping and its echoes 491 INSTALLATION MANUAL Revision A PAGE 29 Glossary PAGE 30 491 INSTALLATION MANUAL Revision A Index A Airmar Technology Corporation 4 C Cable 491 and 961 962 14 491 and ship s power 14 491 to 957 958 6000i 16 Ca
5. on during the installation fire electrical shock or other seri ous injury may occur Be sure to ground the equipment to prevent electri cal shock and mutual interference Be sure the transducer outputs are tied together before handling to avoid electrical charge build up WARNING Be sure to use a 3 amp fuse Using the incorrect i fuse can result in fire or damage to the 491 CAUTION Mounting the transducer requires drilling holes through the hull make sure the installation does A not cause the vessel to leak A thru hull installation should be performed by a professional installer Do not attempt this unless you are fully qualified Do not perform a thru hull installation of the trans ducer when the vessel is actually in the water Immediately after installing the transducer be sure to check for leaks and don t leave the vessel in the water for more than three hours before checking it again Northstar assumes no responsibility for improper installation of a transducer NOTE Be sure that the transducer doesn t interfere with any of the on board systems Check all other sys tems to ensure that their performance doesn t degrade when the transducer is connected 491 INSTALLATION MANUAL Revision A PAGE 3 SECTION TWO Installing the transducer Selecting a transducer Airmar Manufacturer Northstar recommends using an Airmar transducer with the Northstar 491 echo sounder T
6. 8 491 INSTALLATION MANUAL Revision A SECTION THREE Installing the 491 1 2 Max B 2 Speed V 3 Speed Gnd 7 Thermistor 6 Depth 50 kHz see 1 Speed Signal 4 Thermistor 5 Depth 50 kHz 8 Depth 200 kHz 10 Depth 200 kHz 9 Depth Shields Wire stripping detail FIGURE 10 Wiring of B260 transducer cable solder cup side of connector shown 1 2 Max an 1 Speed Signal 4 Thermistor 5 Depth 50 kHz 2 Speed V 3 Speed Gnd 7 Thermistor 3 6 6 Depth 50 kHz E 8 Depth 200 kHz 10 Depth 200 kHz 9 Depth Shields Wire stripping detail FIGURE 11 Wiring of B44 B744 and P66 transducer cable solder cup side of connector shown Plug the transducer cable into the TRANSDUCER connector of the 491 If your transducer doesn t support speed you can connect a separate speed sensor such as the Airmar ST650 to pins 1 2 and 3 as shown in the table Initial This section assumes that the 491 Northstar navigator and transducer checkout are now all properly connected Turning on the navigator automatically turns on the 491 be sure your vessel is in the water To turn the naviga tor on briefly press its PWR key Turning the 491 on For the 961 962 To use the 491 echo sounder the 961 962 must be running software ver sion 3 0 or higher If not contact the factory to obtain the upgrade CD To install the upgrade follow the steps on the back of the jewel box Y
7. NORTHSTAR 491 ECHO SOUNDER INSTALLATION MANUAL RevA Part Number GM495 Northstar a unit of Brunswick New Technologies Marine Electronics www NorthstarNav com 30 Sudbury Road Service 978 897 6600 Acton Massachusetts 01720 Sales 800 628 4487 Table of Contents SECTION ONE Introduction 1 Welcome to the Northstar 491 1 Who should read this manual 1 Scope of this manual 1 Installation considerations 2 SECTION TWO Installing the transducer 3 Safety considerations 3 Selecting a transducer 4 Installation considerations 5 Choosing a mounting location 5 Installing the transducer 7 Maintaining the transducer 8 SECTION THREE Installing the 491 11 Safety considerations 11 System components 13 Choosing a mounting location 14 Mounting the 491 14 Wiring the 491 15 Initial che kout s asa a e a Se S S A E 19 Installation test checklist 20 SECTION FOUR Troubleshooting and servicing the 491 21 Common 491 installation problems 21 Thestatus LED He eee E ee E a ee
8. all packing material in case you have to return the 491 to the factory for repair or evaluation Unpack the carton and check its contents You should have received e the Northstar 491 Echo Sounder e 10 foot 3 meter data cable to connect the 491 to the navigator e 10 foot 3 meter power cable for the 491 e 491 parts kit containing transducer cable end connector back shell heatshrink tubing and the Transducer Connector Instruc tions GM492 e Northstar 491 Echo Sounder Installation Manual GM495 e Northstar 491 Echo Sounder Operations Manual GM494 owner registration card Fill out the owner registration 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 491 to a transducer starting on page 18 Mount the 491 For instructions see Mounting the 491 beginning on page 14 Connect the 491 to ship s power and to the navigator Connection information begins on page 15 With the vessel in the water turn on the system and verify proper opera tion 491 INSTALLATION MANUAL Revision A 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 AN you keep power off while you re performing the installation If power is left on or turned
9. ater properly and won t be able to detect any echoes To avoid cavitation choose a mounting location with good water flow all around it at all speeds Before any drilling or cutting takes place carefully choose a mounting location for the transducer that meets the following criteria also see Figure 1 on page 7 depending on the type of vessel e the transducer is more than four feet away from the Northstar navi gator and other similar equipment to prevent mutual electrical and magnetic interference e the transducer and its cable are as far as possible from other electri cal cables e there is space above the transducer for the transducer s stem hous ing and cable 491 INSTALLATION MANUAL Revision A PAGE 5 SECTION TWO Installing the transducer PAGE 6 Model AirMar B44V B744V with fairing 6 mm 1 4 inch 19 mm 3 4 inch the path for running the transducer s cable is reasonably direct keep in mind that the transducer cable is 33 feet long 10 meters To pre vent damage coil any excess cable and secure it water turbulence and noise are minimal decreasing the amount of bubbles passing over the transducer face the transducer isn t behind hull irregularities or near eroding paint both indicate areas subject to turbulence the transducer is as far as possible from the engine or propellers and inboard of the lifting strakes the transducer always remains submerged and parallel to the water surface the transduc
10. e navigator s Aux Port been configured 491 is communicating with the navigator Ged STEADY 1 Check transducer GREEN connector for the the 491 s STAT proper wiring indicator If wiring is correct check transducer impedance with an ohmmeter If the transducer is open FLASHING or shorted replace it GREEN There s a hardware problem with the 491 957 958 6000i echo sounder system troubleshooting PAGE 23 SECTION FOUR Troubleshooting and servicing the Getting technical support You can E mail the Service Department directly from Northstar s website www northstarnav com Here you also can access additional technical information under either the Manuals link you can download manuals in PDF form or Support link PAGE 24 After you ve followed the instructions in this manual if you need addi tional technical or operations support for the 491 or if you have any other service related questions you can contact either your dealer or the Northstar factory You can reach the Service Department by E mail fax U S mail or phone as described in Table 7 below NOTE Please have the following items available when you contact Northstar e the 491 s serial number located on the top of the unit e the transducer manufacturer s name and the transducer s model and part number Please be as complete and accurate as possible when describing the prob lem so that a service t
11. e ee 21 Getting technical support 24 Ordering replacement parts 25 Servicing the 491 25 Returning a 491 for service 26 APPENDIX A Technical specifications 27 Glossary 22 2G sGe eee See Re teehee eee ees 29 Welcome to the Northstar 491 Who should read this manual Scope of this manual SECTION ONE Introduction An echo sounder is a device that provides information about the water directly beneath a vessel The Northstar echo sounder system consists of e the Northstar 491 echo sounder sensor e a Northstar navigation system such as the 962 958 or 6000i e atransducer The 491 can be used with either a single element transducer or a dual element transducer The 491 automatically pings both transmitters at power up to determine the number of transducer elements connected If a single element is detected the 491 operates in single frequency or dual frequency interleaved mode as determined by the operator at 600 Watts If two elements are detected the 491 uses both elements at 1000 Watts Installation and setup procedures are different for the two basic types of Northstar navigators The following terminology should be carefully fol lowed e the term 961 962 indicates instructions that apply to the Northstar 961 and the 962 navigators e the term 957 958 60001 is used for these units e the term navigator by itself identifies
12. echnician can research the problem and provide the quickest response The Northstar Service Department is available between 9 00 AM and 5 00 PM Eastern Time Monday through Friday excluding major holidays If you have questions about purchasing parts or finding an authorized Northstar dealer or if you want basic product information and brochures contact the Northstar Sales Department as described in the table below Table 7 Contacting Northstar Email Service service northstarnav com Sales sales northstarnav com Fax Service 978 897 1595 Sales 978 897 7241 Telephone Main number 978 897 6600 or 800 628 4487 Sales 978 897 0770 Service 978 897 6600 US mail Northstar 30 Sudbury Road Acton MA 01720 Website www northstarnav com you can send E mail to Northstar directly from this site 491 INSTALLATION MANUAL Revision A Hearing from you Ordering replacement parts Servicing the 491 SECTION FOUR Troubleshooting and servicing the 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 to docs northstarcmc com To order spare parts or replacement missing parts call the Sales Depart ment at 978 897 0770 Repair of the 491 is performed only at the factory Service includes a com plete hardware and software check out NOTE Field repair
13. ecifications Performance characteristics Frequencies 50 and 200 kHz Output power 1000 watts with dual element transducers 600 watts with single element transducers Pulse lengths 0 1 to 2 ms Pulse repetition rate 30 to 600 pulses min Alarms Fish bottom and temperature Update rate 10 Hz maximum depends on water depth up to 20Hz when used with the Northstar 6000i Zoom modes Marker bottom lock bottom lock center bottom Auto modes Fishing or cruising Navigation data Shown on bottom of screen Display modes Single dual frequency split screen four zoom modes A Scope Physical characteristics Dimensions 8 78 x 7 22 x 2 35 inches including back plate Weight 2 pounds Environmental characteristics Temperature 25 C to 60 C operating temperature 55 C to 90 C storage temperature Standards Waterproof sealed design meets the follow ing EN60529 IP65 EN60945 emissions CE Electrical characteristics 8 to 36 VDC 8 watts reverse polarity and overvoltage protection Transducer outputs protected against open circuit short circuit 491 INSTALLATION MANUAL Revision A PAGE 27 APPENDIX A Technical specifications PAGE 28 Table 8 491 technical specifications Continued Manual controls Gain 0 to 75 dB Clutter O0to9 Signal level Oto5 Noise limiter ON OFF White level Background color Range up to 3500 feet 1000
14. ed from the trans ducer s manufacturer 491 INSTALLATION MANUAL Revision A PAGE 7 SECTION TWO Installing the transducer 3 incline angle 1 3 aft LWL Load Waterline Length FIGURE 2 Recommended transducer incline angle backing block slope of hull deadrise 3 angle hull parallel to i wo waterline i fairing Sa i Lex fairing thickness Pe at narrowest point 6 12mm 1 4 1 2 multisensor Deadrise angle and fairing thickness B44V shown FIGURE 3 Typical finished thru hull installation with a fairing block Airmar B744V Maintaining Do not expose the transducer s face or plastic housing to gasoline or the transducer s solvents such as acetone These solvents can penetrate and degrade many plastics and reduce their strength Using anti fouling The transducer should be coated with water based anti fouling paint to paint prevent aquatic growth PAGE 8 491 INSTALLATION MANUAL Revision A SECTION TWO Installing the transducer housing paddle wheel insert Paint exposed housing and bore up 30mm 1 1 4 detail lower O ring Paint outside wall below the lower O ring including exposed end paddle wheel cavity and paddle wheel Anti fouling paint B744V shown FIGURE 4 Anti fouling paint areas for Airmar B744V CAUTION Use special transducer paint Other paints may contain copper which is conduct
15. er is easily accessible from inside the vessel for adjust ments and maintenance the transducer s ultrasonic beams aren t obstructed by the keel pro peller shafts or any other part of the vessel the hull thickness falls within the limits in Table 3 below all dimen sions are perpendicular to the waterline Table 3 Hull thickness limits Minimum Maximum AirMar B44V B744V without fairing 6 mm 1 4 inch 65 mm 2 1 2 inches AirMar B260 with fairing 45 mm 1 3 4 inches AirMar B260 without fairing 19 mm 3 4 inch 114 mm 4 1 2 inches 491 INSTALLATION MANUAL Revision A SECTION TWO Installing the transducer pressure waves 1 3 aft u te i 50 300mm Load Waterline Length 6 12 displacement hull outboard and I O planning hulls inboard step hull full keel sailboat Best location for the transducer FIGURE 1 Recommended installation locations for a transducer Installing the A flat bottom hull provides the best environment for mounting the trans transducer ducer 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 If the vessel has a deadrise angle greater than 5 degrees mount the transducer on a fairing block to create a horizontal surface and keep the transducer perpendicular to the waterline see Figure 3 You must order the fairing block if need
16. ere with any of the on board systems Check all other systems to ensure that their performance doesn t degrade when the 491 is turned on If the vessel is out of the water when the echo sounder is turned on the transducer may be damaged CAUTION A Do not open the 491 There are no serviceable parts inside Unauthorized tampering with the unit will automatically void the warranty CAUTION A Do not mount the 491 in the bilge It is not designed to resist heavy exposure to water and chemicals 491 INSTALLATION MANUAL Revision A PAGE 11 SECTION THREE Installing the 491 PAGE 12 491 INSTALLATION MANUAL Revision A SECTION THREE Installing the 491 System Figure 5 on page 13 shows a configured 961 962 echo sounder system components and Figure 6 on page 13 shows a configured 957 958 6000i echo sounder system GPS Antenna Northstar 961 962 display 10 foot data cable Northstar supplied Northstar 961 962 Processor Northstar 491 Echosounder 33 foot cable Part of transducer 10 foot power cable Northstar supplied GPS Antenna 10 foot data cable Northstar supplied Northstar 957 958 6000i Navigator Northstar 491 Echosounder 33 foot cable Part of transducer 10 foot power cable Northstar supplied Transducer Figure 6 Echo sounder system components with the Northstar 957 958 6000i 491 INSTALLATION MANUAL Revision
17. he 491 requires the to the 957 958 10 foot 3 meter data cable supplied with the 491 The cable connects to 6000i 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 iF 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 PAGE 17 SECTION THREE Installing the 491 Connecting the 491 to a transducer Transducers purchased from Northstar see page 4 are shipped with a connector installed The following information is supplied for transducers purchased elsewhere and for cases where it is necessa
18. he Airmar B260 B744 and P66 can be obtained from Northstar as an installation kit with connectors installed Table 1 Northstar recommended transducers Housing B260 Frequency 50 200 kHz Northstar P N TD1004 PAGE 4 Airmar B744V B44V with 600 W 50 200 kHz TD1005 3 wire speed Airmar P66 600 W 50 200 kHz TD1006 A table of Airmar transducer elements is given below to assist in evaluat ing characteristics of other Airmar transducers Table 2 Airmar transducer elements Transducer Single Used in Acoustic Beam Beam Rated element or Dual Airmar material Width Width Power element P N 50 200 kHz kHz 50 200A Single B744V Urethane 45 600W B744VL P319 B117 SS555 50 200A Single P66 LPU 45 600W P79 P74 50 200B Single B256 Urethane 23 1200W 50AE 200Riq Dual B45 Urethane 19 1000W B250 B B260 Dealers can also purchase quantities of transducers directly from Airmar Technology Corporation at Airmar Technology Corporation 35 Meadowbrook Drive Milford New Hampshire 03055 4613 Phone 603 673 9570 Fax 603 673 4624 www airmar com 491 INSTALLATION MANUAL Revision A Installation considerations Choosing a mounting location Choose the mounting location to obtain the best possible performance from the transducer and the 491 Take into account the vessel s maximum speed when selecting a mounting location as turbulence ca
19. icating properly Check the wiring of the data cable between the 961 962 and the 491 Figure 12 961 962 echo sounder system troubleshooting PAGE 22 Is the Advance Speed set to zero YES NO Is the 961 962 software Version 3 0 or greater NO YES NO been configured for the 491 YES STEADY GREEN Check the 491 s STAT indicator OFF FLASHING GREEN RED Change the Advance Speed setting 491 is communicating with the navigator 1 Check transducer connector for the proper wiring If wiring is correct check transducer impedance with an ohmmeter If the transducer is open or shorted replace it There s a hardware problem with the 491 491 INSTALLATION MANUAL Revision A Configure the navigator s Aux Port for the 491 See the Initial checkout section of this manual Check fuses and circuit breakers Check power to 491 with a voltmeter Verify that the data cable between the navigator and the 491 is properly wired and connected The 491 and the navigator aren t communicating properly Check the wiring of the data cable between the navigator and the 491 Figure 13 491 INSTALLATION MANUAL Revision A SECTION FOUR Troubleshooting and servicing the No echoes displayed on sounder screen Is the Advance Change the Advance Speed Speed set to setting zero Has th
20. information that applies to all units This manual is for marine technicians who are installing the Northstar 491 and connecting it to a Northstar navigator and a transducer In this manual you ll find information about the following e mounting and wiring the 491 e connecting the 491 to the Northstar navigator e installing a transducer an overview is provided but for such details as wiring see the documentation provided by the transducer s man ufacturer 491 INSTALLATION MANUAL Revision A PAGE 1 SECTION ONE Introduction Installation considerations PAGE 2 connecting the 491 to a transducer see also the Transducer Connec tor Instructions GM492 troubleshooting and testing the system technical specifications for the 491 For information about obtaining technical support and returning the 491 for factory service SECTION FOUR Troubleshooting and servicing the 491 beginning on page 21 For details about operating the 491 see the Northstar 491 Echo Sounder Operations Manual GM494 or Northstar 6000i s Reference Manual for that product CAUTION The following list of installation considerations isn t a substitute for all the details in Section Three To AN ensure that you meet all critical installation parame ters be sure to read that entire section and follow all of its recommendations Check the shipping carton for any damage and immediately report any damage to the carrier Save
21. ive and can burn out the transducer within minutes Cleaning a To clean the transducer of heavy debris or foul sea growth use a stiff transducer rush or putty knife but don t scratch the surfaces Check the transducer every few weeks maximum Use sanding sparingly as repeated sanding may affect the transducer s performance at high speeds For lighter cleaning the surface may be wet sanded with 220 or finer wet dry sandpaper 491 INSTALLATION MANUAL Revision A PAGE 9 SECTION TWO Installing the transducer PAGE 10 491 INSTALLATION MANUAL Revision A SECTION THREE Installing the 491 Safety considerations WARNING A 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 Be sure to ground the equipment to prevent electrical shock and mutual interference Be sure that the voltage of the power supply is between 10 and 36 volts DC Connecting to the wrong power supply can result in fire or damage to equipment Be sure to use a 3 amp fuse Using the incorrect fuse can result in fire or damage to the 491 CAUTION A Keep the following safe compass distances from the 491 1 0 m standard 0 8 m steering CAUTION A Be sure that the 491 doesn t interf
22. lation turn on the navigator and con firm that power is on with no errors If echo sounder data isn t mov ing across the ECHO screen from right to left see Common 491 installation problems beginning on page 21 491 INSTALLATION MANUAL Revision A SECTION FOUR Troubleshooting and servicing the 491 Common 491 Typical problems you may encounter either during or after the 491 installation installation process are outlined in Figure 12 on page 22 and Figure 13 on page 23 problems In the 961 962 the diagnostics screen may also help pinpoint a problem The status LED The two color LED located behind the 491s front panel STATUS window displays the unit s current condition The LED presents the following information e solid green System has power self test passed and communicating with navigator e Flashing green 491 is not communicating with the navigator e Red Self test failed 491 INSTALLATION MANUAL Revision A PAGE 21 SECTION FOUR Troubleshooting and servicing the 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 491 See the Initial checkout section of this manual Check fuses and circuit breakers Check power to 491 with a voltmeter Verify that the data cable between the 961 962 and the 491 is properly wired and connected The 491 and the 961 962 aren t commun
23. n affect echo sounding capabilities SECTION TWO Installing the transducer The following basic setup information isn t a substitute for the installa tion instructions provided by the transducer s manufacturer To ensure that you meet all critical installation parameters be sure to read and fol low all of the requirements in their instructions Northstar assumes no responsibility for improper installation CAUTION Do not mount the transducer A behind strakes fittings or hull irregularities mount ing in those locations may increase turbulence aer ation and cavitation or near the keel near openings for water intake or discharge where it might be loosened by the vessel s vibration less than four feet away from the Northstar 961 962 processor or other similar equipment to minimize interference The two most common problems with echo sounder installations stem from electrical noise and cavitation Fither of these situations can produce poor performance Electrical noise occurs when the transducer cable is routed too closely to noise producing electronics such as alternators AC generators radars etc To avoid problems with noise route the transducer cable by itself not in a bundle and away from other wires or cables and the engine Cavitation can occur at high speeds During cavitation bubbles form between the transducer and the water When this happens the trans ducer can t get its energy into the w
24. ndicator light 18 T Technical support contacting Northstar 24 ordering parts 25 repairing the 491 25 repairing the transducer 25 Transducer definition of 29 installation See Installation transducer maintenance See Maintenance transducer mounting See Installation transducer recommended 4 service parts and repair 25 Troubleshooting diagnostics screen 21 flow chart 23 installation checklist 19 installation problems 21 491 INSTALLATION MANUAL Revision A Index U Upgrades obtaining software 18 WwW Water column definition of 29 Website addresses Airmar Technology Corporation 4 Northstar 24 Northstar Technologies 24 491 INSTALLATION MANUAL Revision A PAGE 33 Index PAGE 34 491 INSTALLATION MANUAL Revision A
25. ou must set the 961 962 s Port 3 to 490 Press STAR to display the SERVICE MENU screen Press PORT SETUP Press PORT 3 4 Set the FORMAT option to 490 The STATUS indicator light on the 491 glows steady green when the 491 s power is on WN e 491 INSTALLATION MANUAL Revision A PAGE 19 SECTION THREE Installing the 491 Setting up the echo sounder Turning the 491 off Installation test checklist PAGE 20 For the 957 958 6000i You must set the navigator s AUX port to Sounder 1 Press the STAR key to display the OPTIONS SERVICE INFO screen then press the PORT SETUP OPTIONS key 2 Set the AUX PORT option to Sounder then press the ENTER key The STATUS indicator light on the 491 glows steady green when the 491 s power is on and it is communicating with the navigator You ll need to set the echo sounder display options on the navigator s ECHO SOUNDER SETUP screen Press the STAR key to display this screen and set these options For details see the Northstar 491 Echo Sounder Operations Manual GM494 To turn off the 491 turn off the navigator by pressing and holding PWR until the screen goes dark The 491 will turn off automatically CAUTION If the vessel is out of the water when the echo A sounder is turned on the transducer may be dam aged Perform all tests on the with the vessel in the water 1 Make sure the vessel is in the water 2 To test the system after instal
26. ry to remove and reinstall the connector CAUTION A High voltage is present on the transducer wires Figure 10 and Figure 11 below show how to install the connector on the cable 1 Slide the heat shrink tubing onto the transducer cable 2 Slide the connector backshell onto the transducer cable 3 Prepare each wire for insertion into its solder cup by stripping it as shown below and tinning it 4 Carefully solder each wire to the appropriate cup as specified in the table 5 Slide the backshell down the wire and screw it onto the connector body It should be hand tight 6 Using the supplied screws screw the strain relief onto the backshell 7 Slide the heat shrink tubing onto the connector Be sure to leave room for the locking collar to retract 8 Heat the shrink tubing until it shrinks around the connector provid ing a watertight seal Table 6 491 to transducer connector pin wiring Signal name Pin no Wire color Wire color Airmar B260 Airmar B44 B744V ONLY and P66 ONLY Speed signal 1 N A Green Speed V 2 N A Red Speed ground 3 N A Bare Thermistor temperature 4 Brown Brown Depth 50 kHz unused on sin 5 Yellow N A gle frequency transducer Depth 50 kHz unused on sin 6 BIk Wht N A gle frequency transducer Thermistor temperature 7 White White Depth 200 kHz 8 Blue Blue Depth shields 9 Shields Shields Depth 200 kHz 10 Black Black PAGE 1
27. s are not authorized and will void the warranty For transducer service including parts and repairs please contact the transducer manufacturer The 491 and any accessories returned for warranty repair that are deter mined to be without fault are subject to a handling charge 491 INSTALLATION MANUAL Revision A PAGE 25 SECTION FOUR Troubleshooting and servicing the Returning a 491 for service Before returning the 491 to the factory to prevent delays it is critical that you first obtain a Return Materials Authorization RMA number from the Northstar Service Department If the 491 was purchased through a dealer call the dealer with the 491 serial number so they can help you get an RMA number The 491 s serial number can be found on the label at the top of the 491 Shipments without a proper RMA number will not be accepted PAGE 26 If you have overnight or second day shipping requirements before ship ping the 491 please call Northstar for turnaround time freight charges and payment arrangements The 491 should be shipped only in a properly designed carton with pack ing material Shipments to the Northstar factory should be made to the following address Northstar Service Department 30 Sudbury Road Acton MA 01720 USA NOTE Return the transducer to its manufacturer not to Northstar 491 INSTALLATION MANUAL Revision A APPENDIX A Technical specifications Table 8 491 technical sp
28. utions 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 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 PAGE 31 Index PAGE 32 overview 11 safety considerations 11 troubleshooting 21 wiring 14 transducer cautions 3 5 19 cavitation 5 hull thickness limits 6 noise problems 5 preferred mounting location 5 recommended incline angle 8 thru hull installation with a fairing block 8 M Maintenance transducer 8 N Northstar feedback on manuals 25 website See Website addresses Northstar 491 Echo Sounder See Echo sounder Northstar 957 958 GPS WAAS Chart Navigator 18 Northstar 957 958 6000i GPS WAAS Chart Navigator Northstar 961 962 GPS Chart Navigator 1 Pp Parts ordering See Technical support S Safety considerations 491 11 transducer 3 Software upgrades obtaining 18 Specifications 27 STAT status i
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