NorthStar Navigation 978/897-6600 Marine GPS System User Manual
Contents
1. 3 Slide the twist lock onto the connector body 4 Screw the connector backshell to the connector body and tighten 5 Install the strain relief clamp with two screws 6 Connect each end of the cable into the 6 pin ports at the back of the 958 or connect one end of the cable into the 10 pin port at the back of the 941 951 or 952 7 Turn both units on and test for the proper cable connection a Press WAYPTS ROUTES b Press IMPORT EXPORT c Press IMPORT DATA or EXPORT DATA d Press TEST COMM The message should read REMOTE LINK OK If so the hardware connection is done and the two units can now transfer all waypoints and routes between them Setting the anchor watch alarm honk The anchor watch alarm function is used to set the 958 to honk in addition to beep once you connect a honker to pin 14 on the NMEA connector See Figure 19 below for wiring to support the 958 s external honk feature You can use Radio Shack part number 273 060 or an equivalent A continuous honking sequence will begin either when the vessel moves outside the specified anchor alarm radius or when the navigation source becomes unavailable once you ve set the anchor watch alarm to honk For details see the Northstar 958 Operators Manual part number GM958UM Page 34 Sonalert or equiv Pin 14 pink wi GPS in 14 pink wire 12VDC 1 8 Amp Fuse 100mA max current 50 volts max Figure 19 Pin14 honk alarm connecti2. gt 2201 or 2301 GPS antenna 7 pin RS232 port Or Beacon input output gt Northstar 2701 beacon receiver optional AUX Auxiliary RS 422 NMEA input output gt Northstar 490 echo sounder optional 6 pin auxiliary NMEA port or A second 958 or to a Northstar 957 952 951 941 to transfer waypoints and routes PWR Power Power 10 to 36 VDC 50 watts VGA 15 pin port Video output Remote display VIDEO coaxial Video input Any NTSC compatible device Electrical power requirements Power source The 958 is a negative ground system that s reverse polarity protected Power requirement is 10 VDC minimum to 36 VDC maximum with at least 16 gauge connecting wire CAUTION As a good safety practice Northstar strongly recommends A that you connect the 958 to a circuit breaker or 20 amp fuse at the power source battery Connecting the 958 to ship s power The 958 ships with a 10 foot power cable that you can lengthen to a maximum of 25 feet e for a cable length up to 15 feet the power connections must use 16 gauge connecting wire or heavier for a cable length from 15 to 25 feet use 14 gauge connecting wire or heavier Page 8 958 Installation Manual Rev A1 SECTION TWO Installing and wiring the 958 If you lengthen the power cable use an external fuse at the battery end as an added safety precaution The fuse size should match the size of the wiring on the ves
3. Figure 17 957 958 aux ports interface diagram wiring side view solder cup TABLE 9 958 to 958 wiring 958 Function 958 Function Pin Pin 1 Ground shield 1 Ground shield 2 No connect 2 No connect 3 Aux In B 5 Aux Out B 4 Aux Out A 6 Aux In A 5 Aux Out B 3 Aux In B 6 Aux In A 4 Aux Out A Page 32 958 Installation Manual Rev A1 SECTION SIX Interfacing the 958 system 952 951 941 10 PIN AUX CONNECTOR Pin number Shield No connect 1 termination No connect 2 No connect 3 958 6 PIN AUX CONNECTOR No connect Pin number 4 Aux input B 5 1 Ground shield Ground shield 6 2 No connect Aux output B Aux input B 7 3 Aux input A 8 4 Aux output A Aux output A Aux output B 9 5 No connect i 7 Aux input A O OO oo Figure 18 952 951 941 and 958 aux ports interface diagram wiring side view solder cup 958 Installation Manual Rev A1 Page 33 SECTION SIX Interfacing the 958 system TABLE 10 952 951 941 to 958 wiring 952 Function 958 Function 951 Pin 941 Pin 5 Aux In B 5 Aux Out B 6 Ground shield 1 Ground shield 7 Aux Out B 3 Aux In B 8 Aux In A 4 Aux Out A 9 Aux Out A 6 Aux In A Pins 1 2 3 4 and 10 on the 941 951 952 aux connector and pin 2 on the 958 aux connector aren t used
4. 958 Installation Manual Rev A1 Page 23 SECTION SIX Interfacing the 958 system Figure 15 NMEA connector pin configuration TABLE 7 Aux connector pins Description Wire color Pin Shield Gnd brown 1 Remote On Gnd green 1 Remote On white 2 NMEA AUX In B black 3 NMEA AUX Out B orange 4 NMEA AUX Out A violet 5 NMEA AUX In A blue 6 Pin 1 on the AUX port requires two connections from the cable The red wire is not connected on the 958 end and should be insulated and capped For the aux port pin configuration see Figure 17 on page 32 Configuring the NMEA output ports You can set each output port to meet the requirements of devices that conform to the NMEA 0183 or other data format specifications Press STAR to display the OPTIONS SERVICE INFO screen then press PORT SETUP OPTIONS to display the PORT SETUP OPTIONS screen Press PORT 1 SETUP or PORT 2 SETUP to display a list of data format control options as shown below Page 24 958 Installation Manual Rev A1 Port 1 Setup Output Format NMEA 0183 Talker ID NMEA 0183 LL Precision Output Rate NMEA 0183 Waypt ID as NMEA 0183 Checksums Output Datum SECTION SIX Interfacing the 958 system 0183 V2 1 GP XX XXX 2 Seconds NUMBER ON WGS84 RETURN The devices interfacing with the 958 may have special requirements check their installation instructions The factory setti
5. SECTION SEVEN Troubleshooting and servicing the 958 system TABLE 13 Troubleshooting the 2701 and AN205 P installation lise Then Satellite signals are often lost or the AN205 P works while you re travelling in one direction but not the opposite one The antenna may be partially shaded by metallic objects around it Re position or raise the antenna away from the object for a better satellite view Signals may be lost when the antenna is under a bridge or when shielded by buildings Poor SNR readings are obtained even after running the 958 for several minutes Check the quality of the antenna location the antenna should have a clear view of the sky Make sure the antenna is clean and not covered with ice snow or exhaust soot You re having difficulty obtaining WAAS satellites Check that WAAS is available in your operating area Reset the 958 s satellite elevation setting to its default 10 degrees Check that the 958 s DIFFERENTIAL OPERATIONS option is set to either WAAS or AUTO The following error message appears on the 958 display COMM FAIL TOO FEW SATS With power on check the antenna and wiring connections Disconnect the 2701 from the 958 then measure the 25 pin 2701 connector for 10 36 volts at pin 25 ground at pin 13 Check the 2701 s remote on Pin 12 should measure less than 5 ohms to ground After testing above re connect the cable and turn the 95
6. lt 2 mcircular error probability CEP WAAS Time to first fix TTFF Hot start 20 seconds typical with current almanac position time and ephemeris Warm start 45 seconds typical with current almanac position time and ephemeris Cold start 2 minutes typical no almanac position and time With WAAS acquisition add 30 seconds typical max 1 minute Re acquisition time lt 1 second typical to re acquire 5 second obscuration 3 seconds typical to re acquire 60 minute obscuration Channels allocation 10 GPS channels plus two WAAS satellites 958 Installation Manual Rev A1 Page 45
7. Review the functions With a chart cartridge inserted check that the CHART screen is displayed 3 Confirm that the DIFFERENTIAL OPERATIONS option is at the desired setting If not press the STAR key to display the OPTIONS SERVICE INFO screen then press the RECEIVER OPTIONS menu key to display the RECEIVER OPTIONS screen Press the EDIT key change it to the desired setting then press the ENTER key For more in depth information about troubleshooting the 958 installation see SECTION SEVEN Troubleshooting and servicing the 958 system starting on page 35 Page 22 958 Installation Manual Rev A1 958 system Wiring the connector pins TABLE 6 NMEA connector pins CS SECTION SIX Interfacing the Description Wire color Pin NMEA port 1 input A brown 3 NMEA port 1 input B blue 1 NMEA port 1 input ground white with blue stripe 4 NMEA port 1 output A violet 12 NMEA port 1 output B gray 7 NMEA port 1 output ground blue with white stripe 8 NMEA port 2 input A white with brown stripe 6 NMEA port 2 input B brown with white stripe 2 NMEA port 2 input ground white 5 NMEA port 2 output A yellow 15 NMEA port 2 output B orange 11 NMEA port 2 output ground black 10 RS 232 ground tan 17 RS 232 RX green 16 RS 232 TX red 18 External ground foil drain white with orange shield 9 Reserved orange with white stripe 13 Honk out 200 PPNM pulses pink 14 per nautical mile
8. 2201 2301 technical specifications Physical features Interfacing Self contained 12 channel L1 GPS WAAS pod antenna receiver Dimensions 4 5 114mm diameter x 3 79 96mm high Weight 1 2 lb maximum excluding cable 0 55 kg Cable normal installation 22 Ga conductors foil shielded cable environmentally sealed 50 foot cable supplied Mounting 1 14 UNS threads x 1 deep for mast mounting and 3 x 10 32 UNF screws for deck mounting 2201 only Connector receptacle with 7 male contacts Mating Switchcraft EN3C7FC or equivalent Prime power 10 to 36 VDC 12V and 24V system 2 4 watts typical at 12V Reverse polarity protected and load dump protected Input messages Auxiliary RTCM SC104 messages 1 3 9 Output messages NMEA GGA GSA GSV RMC VTG ZDA GLL Serial communications RS 232 asynchronous data port Main port IN OUT plus AUX input 19 200 baud standard both ports user selectable from 300 to 19 200 baud Default baud rate 9600 Performance Environmental Acceleration 4 Gs 39 2 m s Jerk 2 m s Velocity 1852 km h 514 m s max Position accuracy lt 3 m 2dRMS Time to first fix TTFF Hot start 20 seconds typical with current almanac Warm start 45 seconds typical with current almanac Cold start 2 minutes typical with no almanac Re acquisition time lt 1 second typical to re acquire five second obscuration 3 seconds typical to re acquire 60 minute obscu
9. Page 21 SECTION FIVE Checking out the system TABLE 5 Satellite identification numbers PRN 120 121 122 123 124 125 126 127 128 129 ONGPS 33 34 35 36 37 38 39 40 41 42 SATS SCREEN PRN 130 131 132 133 134 135 136 137 138 ON GPS 43 44 45 46 47 48 49 50 51 SATS SCREEN Selecting differential options The 958 has several settings for differential reception To select one press the STAR key to display the OPTIONS SERVICE INFO screen then press the RECEIVER OPTIONS key to display the RECEIVER OPTIONS screen The DIFFERENTIAL OPERATIONS field offers the following options depending on the equipment connected to the 958 e DISABLED to turn off all differential corrections RADIO BEACON to force radiobeacon differential if the 958 is connected to a radiobeacon source for example the 2701 e WAAS to force WAAS differential corrections if the 958 is connected to a WAAS capable unit for example the 2201 2301 or 2701 AUTO the default setting to prefer WAAS differential corrections but if the 958 is connected to the optional 2701 the 958 will automatically switch to radiobeacon corrections if and when WAAS becomes unavailable or is less accurate than radiobeacon Installation test checklist To check out the 958 system after installation 1 Turn on the 958 then check for the presence of GPS WAAS or DGPS signals 2
10. T DO THAT TOO MANY SENTENCES FOR 1 SEC INTERVAL In this case you must select fewer sentences There are some applications that need a longer update period In that case you can increase the span to 999 seconds Choosing the waypoint identification ID Many marine devices can display waypoint names if they re output by the 958 At the PORT 1 SETUP or PORT 2 SETUP screen highlight the NMEA 0183 WAYPT ID AS option then press the EDIT menu key Change the option from NUMBER to NAME and press the ENTER key when done If capable the listening device will now display six character waypoint names L _ _ gt K _EEL__ SS NOTE Be sure to see if the listening device can do this before you change the NMEA WAYPT ID AS option Many older devices won t understand this identifier and using it may cause problems with displaying waypoint information or when following routes There is no standard for identifying how numbers should be assigned when converting waypoints from names to numbers When you export waypoint information as numbers to a peripheral device be aware that numbers aren t sequentially defined and may be re used on a random basis Choosing the checksum setting Some older devices may not accept sentences containing the NMEA 0183 checksum that s output by the 958 In such cases the device may not work properly or at all If you have problems interfacing to older equipment t
11. antenna 2201 or 2301 1 50 foot data power cable 958POD CA 1 10 32 UNF mounting screws 2201 only HS520 3 washers 2201 only for deck mounting HW500 3 cable heat shrink HM1005 1 958 Installation Manual Rev A1 Page 1 SECTION ONE Introducing the 958 Table 1 958 parts list Part name Part number Qty cable heat shrink HM509 1 6 pin cable connector for AUX port KS672 1 beacon receiver including 2701 optional 1 GPS DGPS antenna AN205 P 1 50 foot AN205 P antenna cable WC 256 1 10 foot pre finished data power cable 958BDM CA 1 958 yoke mount kit 601 YOKE IK optional 1 remote control and batteries 958RC optional 1 Page 2 958 Installation Manual Rev A1 SECTION TWO Installing and wiring the 958 WARNING Before starting the installation be sure to turn power off Further Northstar highly recommends keeping power off while you re installing A the system If power is left on or turned on during the installation fire electrical shock or other serious injury may occur Be sure that the voltage of the power supply is compatible with the 958 s voltage rating of 10 to 36 volts DC Connecting to the wrong power supply can cause fire or damage to the equipment Be sure to ground the equipment to prevent electrical shock and mutual interference Be sure to use the proper fuse Using the wrong fuse can cause fire or damage to the 958 Bench testing the 958
12. automatically dim The internal 8117 video chip has failed contact the Northstar Service Department This failure affects only the video image nothing else Check that the video image is turned on press STAR to display the VIDEO SETUP screen Check the cables and the connectors Check that the video equipment is working properly SYSTEM System lock ups Hardware related e The system locks up on a random basis with no apparent pattern e The system locks up when using a chart card e System fails any initial self tests Possible internal failure call your Northstar dealer or the Northstar Ser vice Department Possible bad chart card Remove the card and inspect the pin area of the card and the 958 for damage If the pins in the 958 are bent or damaged to prevent further damage don t insert another card If you re sure the card pins aren t bent try inserting a new card turn power off before inserting Possible internal failure call your Northstar dealer or the Northstar Ser vice Department Page 36 958 Installation Manual Rev A1 SECTION SEVEN Troubleshooting and servicing the 958 system TABLE 12 Troubleshooting the 2201 and 2301 installation If Then Satellite signals are often lost or the 2201 works while you re travelling in one direction but not the opposite one The 2201 or 2301 may be partially shaded by metallic objects around it Re
13. connector If you ever want to shorten the antenna cable or remove its connector to make more room to run the cabling you can remove the connector from the 958 end and then replace it 1 After shortening or snaking the cable slide the available heat shrink tubing onto the cable then slide the connector backshell onto the cable as shown below 2 Prepare each wire for insertion into its solder cup by stripping it and tinning it 3 Carefully solder each wire to the appropriate cup as described in Table 3 below 4 Slide the backshell down the cable and screw it onto the connector body It should be hand tight 5 Using the supplied screws screw the strain relief onto the backshell 6 Slide the heat shrink tubing onto the connector Be sure to leave room for the locking collar to retract 7 Heat the shrink tubing until it shrinks around the connector providing a watertight seal For the pin numbers and functions for the 958 end of the cable see Table 3 below TABLE 3 Wiring connections for 2201 2301 cable Description Wire color Pin RS232 RX1 Main receive port Blue 1 RS232 RX2 Aux receive port Orange 2 RS232 TX1 Main transmit port Green 3 Signal gnd Brown 4 Remote power on Black 5 Ship s power control Power gnd White 6 system gnd Power in 9 36 VDC Red 7 Page 16 958 Installation Manual Rev A1 SECTION FOUR Installing and wiring the 2701 CAU
14. in normal use This war ranty does not apply to units with defects caused by improper installation physical damage abuse tampering lightning or other abnormal electrical discharge or to units with defaced or altered serial numbers or to units repaired by unauthorized persons or repaired in a manner that violates North star s recommended service procedures All repairs and or replacements made under this warranty must be performed at Northstar s facilities in Acton Massachusetts Performance of warranty work elsewhere will not be authorized and North star will not pay for any charges for such work Northstar will not be responsible for payment of any charges imposed by a Northstar dealer or other party for services requested by and or performed for a unit s owner in connection with this warranty Such services might include removal of the unit from a vessel inspection packaging handling reinstallation and the like Northstar Technologies assumes no responsibility for any consequential losses of any nature with respect to any of its products or services sold rendered or delivered The foregoing is the only war ranty expressed or implied No other warranty exists Contents SECTION ONE Introducing the 958 1 Checking the ODS PAG Ae ss inrsin austin donner erst en eee ets 1 SECTION TWO Installing and wiring the 958 3 Bench testinge the 958 van na RARE Ma
15. must be a maximum of 50 feet Do not open the 2201 There aren t any serviceable parts inside Unauthorized tampering will automatically void the warranty 958 Installation Manual Rev A1 Page 11 SECTION THREE Installing and wiring the 2201 or 2301 Mounting and wiring Choosing the best mounting location Before you drill or cut choose a mounting location that meets the following criteria The 2201 and 2301 should be mounted where there s enough mounting clearance to easily connect the cable low on the vessel since side to side motion caused by the vessel s rolling can degrade speed over ground SOG and course over ground COG readings below the radiation plane of any INMARSAT or radar antennas and away from any other high power transmitting antennas see Figure 8 on page 13 e high enough to provide an unblocked view of the sky in all directions and that minimizes or eliminates any objects that block the 2201 and 2301 s view of the sky the 2201 and 2301 use satellites down to zero degrees elevation or to the horizon away from masts or objects that could shadow the 2201 2301 but where there s an adequate view of the sky NOTE Before permanently installing the 2201 or 2301 try temporarily installing it and using the 958 to see if the location works well The 2201 and 2301 are installed differently The 2201 is mounted directly onto a standard antenna mount and its cable is routed e
16. position or raise the 2201 or 2301 away from the object for a better satellite view Signals may be lost when the 2201 or 2301 is under a bridge or when shielded by buildings Poor SNR readings are obtained even after running the 958 for several minutes Check the quality of the antenna location the antenna should have a clear view of the sky For the correct antenna placement see Figure 8 on page 13 Make sure the antenna is clean and not covered with ice snow or exhaust soot You re having difficulty obtaining WAAS satellites Check that WAAS is available in your operating area Reset the 958 s satellite elevation setting to its default 10 degrees Check that the 958 s DIFFERENTIAL OPERATIONS option is set to either WAAS or AUTO The following error message appears on the 958 display COMM FAIL TOO FEW SATS With power on check the antenna and wiring connections Disconnect the 2201 or 2301 from the 958 then measure the 7 pin 2201 2301 connector for 10 36 volts at pin 7 ground at pin 6 Check the 2201 or 2301 s remote on Pin 5 should measure less than 5 ohms to ground After testing above re connect the cable and press the PWR key to turn the 958 off then turn it back on again Check if anything is blocking the 2201 or 2301 s view of the sky The almanac may not be complete allow up to 30 minutes for full initial acquisition 958 Installation Manual Rev A1 Page 37
17. sure you have the proper cable length and check the quality of the antenna location and the quality and proper termination of the connectors Also make sure that the 2701 s ground lug terminal is securely connected with a heavy gauge conductor to ship s ground 7 00 gt Use the locking nut shown to prevent rotation of the antenna or bottoming out of the mounting stanchion into the threaded mount portion of the antenna If done with enough force either of these may break the antenna TNC 3 5 gt Figure 13 Northstar AN205 P antenna dimensions Connecting the 2701 to the antenna The 50 foot antenna cable connects the 2701 with the AN205 P antenna The cable length must be a maximum of 50 feet but can be shortened to the desired length Don t make any tight bends in the cable and fasten it along its length to avoid chafing or whipping or any kind Coil up any unused length of cable Be sure that the cable connectors are securely fastened NOTE Installations that require a cable length from 50 to 100 feet should order the AN206 combo antenna and a 100 foot length of coaxial cable from the Northstar Sales Department 958 Installation Manual Rev A1 Page 19 SECTION FOUR Installing and wiring the 2701 Page 20 958 Installation Manual Rev A1 SECTION FIVE Checking out the Vi A NY Ney system Turning the 958 on and off To turn on the 958 briefly press the PWR key The 958 emits sever
18. the listener that it is receiving information from a navigation source not a communications or sensor device which transmits completely different forms of data Certain listening devices will only accept navigation data identified as coming from loran LC GPS GP or an integrated instrument II The 958 lets you set its talker ID to LC GP or II to match what the listener device is expecting 1 Check the listener device s instruction manual to determine which talker ID codes it will respond to 2 At the PORT 1 SETUP or PORT 2 SETUP screen press the CURSOR PAD to highlight the NMEA 0183 TALKER ID option then press the EDIT menu key 3 Scroll through the three choices using the CURSOR PAD to make your selection and press the ENTER key The interfaced equipment will now receive the 0183 data in the correct nav source format Choosing the lat lon precision For more flexibility when communicating with a variety of other devices you can set the precision level of the 0183 position information output by the 958 The choice you make depends on the equipment to which you re outputting the NMEA data for the number of digits of precision required for that particular device see the manufacturer s instructions You have three choices XX XX lat lon precision to two decimal places hundredths of minutes or 60 feet XX XXX lat lon precision to three decimal places thousandths of minutes or 6 feet this is the factory se
19. 1 also using your own data transfer cable Each 952 951 and 941 that you want to transfer waypoints and routes to or from must be using software version 3 12 or higher Assembling the cable To assemble the cable 1 Cut the cable to the desired length 2 Slide the following parts onto each end of the cable in the following order connector backshell e rubber strain relief boot that fits inside the backshell twist lock also known as a quarter turn ensuring that it s facing in the correct direction 3 Trim and prepare the wires for soldering to the connector body 4 Terminate the cable as described below Terminating the cable To terminate the cable 1 Terminate and solder the appropriate wires to the appropriate pins For wiring two 958 s or a 958 to a 957 see Figure 17 on page 32 and Table 9 on page 32 For wiring a 958 to a 952 951 941 see Figure 18 on page 33 andTabl e10 on page 34 2 Move to Step 3 on page 34 958 Installation Manual Rev A1 Page 31 SECTION SIX Interfacing the 958 system Shield termination l 958 6 PIN AUX CONNECTOR 957 958 6 PIN AUX CONNECTOR Pin number Pin number Ground shield 1 1 Ground shield No connect 2 2 No connect Aux input B 3 3 Aux input B Aux output A 4 a Aux output A Aux output B 5 5 Aux output B Aux input 6 6 Aux input A O oCo
20. 600 or 800 628 4487 U S mail 30 Sudbury Road Acton MA 01720 USA Website www northstarcmc com you can send email to Northstar directly from this site and access additional technical information and download manuals in PDF form under either the Manuals or Support links 958 Installation Manual Rev A1 Page 39 SECTION SEVEN Troubleshooting and servicing the 958 system Hearing from you Your feedback is important and helps Northstar ensure that this manual is a valuable resource for all marine technicians Email your comments or suggestions about this manual to the following address manuals northstarcmc com Using the Dealer Express web pages Northstar dealers can get service information online by going to the Dealer Express area on Northstar s website Contact Northstar for your dealer password before clicking on the Dealer Express link This area includes the following topics e service bulletins for known issues and solutions e software update information for new software features e service request form for sending systems back service status request form for systems currently under repair warranty registration form for registering new products Obtaining software updates Periodically Northstar posts software update addenda on its website www northstarcmc com under the Manuals link For dealers Once Northstar has posted an addendum to its website you can call the Northsta
21. 8 off then turn it back on again Check if anything is blocking the 2701 s or antenna s view of the sky The almanac may not be complete allow up to 30 minutes for full initial acquisition Page 38 958 Installation Manual Rev A1 SECTION SEVEN Troubleshooting and servicing the 958 system Getting technical support Contacting Northstar After you ve followed the instructions in this manual if you need technical assistance or have any other service related questions you can contact the Northstar Service Department Please be as complete and accurate as possible when describing the problem so that a service technician can research the problem and provide the quickest response You can reach Northstar s Service Department by email fax U S mail or phone as described in Table 14 below Northstar s Service Department is available between 9 00 AM and 5 00 PM Eastern Time Monday through Friday excluding major holidays To buy spare replacement or missing parts and to get brochures and product information contact the Northstar Sales Department NOTE Please have the 958 s serial number available on the back or on the OPTIONS SERVICE INFO screen ready before contacting Northstar s Service Department TABLE 14 Contacting Northsta r Email Service service northstarcmc com Sales sales northstaremc com Fax Service 978 897 1595 Sales 978 897 7241 Telephone Main number 978 897 6
22. 9 SECTION SIX Interfacing the 958 system pressing EDIT pressing ENTER when done and RETURN to go back to the PORT SETUP OPTIONS screen 3 If necessary change the RS 232 SETUP option to display the appropriate COPY PORT 1 or COPY PORT 2 selection by pressing EDIT then pressing the CURSOR PAD to change the selection then pressing ENTER The unit will now copy and output the specified port s data format through the RS 232 port to an external device NOTE The RS 232 diagnostic port may overflow when its configured to either COPY PORT1 or COPY PORT2 and one of the copied ports is in 0183 output mode unless the diagnostic ports baud rate is fast enough to handle the number of characters Because the diagnostic port s baud rate can now be changed the 958 will always display this precautionary message before you actually reset the baud rate WARNING ALL SENTENCES MAY NOT TRANSMIT AT DIAG BAUD RATE PRESS ENTER TO CONTINUE Using the port off setting Use this setting when you don t need the RS 232 port s input or output functions About the diagnostic setting This setting is only used for troubleshooting at the Northstar factory Do not use this setting Connecting the 958 to a remote display The 958 s VGA connector is used to connect it with a remote display such as the Northstar 1201 or 1202 Northstar doesn t supply the connecting cable since the cable requirements vary with each particular installat
23. N Troubleshooting and servicing the 958 system 35 Troubleshooting installation problems 44443 uses dre eee ee 35 Getting TECHNICAL SUPPOR iy ican dg han EEK Gee ea en MN de SOS 39 APPENDIX A 958 system technical specifications 43 958 Checking the 958 package SECTION ONE Introducing the The Northstar 958 is a full featured color GPS navigation system that you can connect to a wide variety of optional equipment including the Northstar 490 echo sounder Northstar radar and VGA output equipment such as the Northstar 1201 remote display Other optional interfaces include any NTSC compatible video input equipment such as a video camera TV DVD or VHS and the optional Northstar 2701 DGPS WAAS receiver instead of the 2201 or 2301 for WAAS GPS radiobeacon differential For installation instructions for the Northstar 490 or Northstar radars see the Northstar 490 Installation Manual P N GM491 or the Northstar Radar Installation Manual P N GMKRadIM Table 1 958 parts list Part name Part number Qty 958 unit 1 flush mount hardware kit 957PK 1 flush mount gasket HG366 1 10 foot interface cable WA215 1 10 foot power cable with 10 amp fuse WA535 D 1 sunshield XP600 1 warranty registration card GD671 1 Northstar 958 Installation Manual GM9581M 1 Northstar 958 Flush Mounting Template GT958 1 Northstar 958 Operator s Manual GM958UM 1 WAAS GPS
24. NORTHSTARX TECHNOLOGIES Inc NORTHSTAR 7 NORTHSTAR gt lt NORTHSTAR gt lt 958 INTEGRATED NAVIGATION SYSTEM INSTALLATION MANUAL Northstar Technologies 30 Sudbury Road Acton Massachusetts 01720 800 628 4487 978 897 6600 Part Number GM958IM Revision A1 www northstarcmc com Limited warranty policy Northstar Technologies Inc warrants the Northstar 958 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 shipment of the unit F O B Acton Massachusetts to an authorized Northstar dealer Systems may not be returned to Northstar without a Returned Materials Authorization RMA num ber 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 Return shipments from Northstar to points within the United States are made via ground transportation freight prepaid Special shipping charges overnight two day and so on are the responsibility of the owner To be covered by this warranty the Northstar equipment must have been
25. Northstar recommends bench testing the 958 before installing it onto the vessel Bench testing ensures that the equipment is fully operational and lets the 2201 2301 antenna or 2701 beacon receiver collect the current almanac and ephemeris data for the installed location which results in less on board installation time Mounting the 958 CAUTION Proper installation of the Northstar 958 is critical to accurately receive and effectively use GPS WAAS signals under a wide variety of weather A conditions Keep the following safe compass distance from the 958 1 0m standard 0 8m steering Choosing the best 958 location Choose the mounting location carefully before you drill or cut The display screen is high contrast and anti reflective and is viewable in direct sunlight but for best results install the 958 out of direct sunlight See the figure below for additional mounting recommendations 958 Installation Manual Rev A1 Page 3 SECTION TWO Installing and wiring the 958 Regardless of the type of mounting the 958 should be installed in an accessible location dry where the operator can easily use the controls and clearly see the display screen Be sure to leave a direct path for all of the cables Regardless of the type of mounting the location should have minimal glare from windows or bright objects If the 958 is yoke mounted low tilt the 958 back for best viewing contrast TLD SUING ERY Fi
26. TION Do not open the 2701 There aren t any serviceable parts inside A Unauthorized tampering will automatically void the warranty Mounting and wiring the 2701 Choosing the best 2701 mounting location The 2701 is housed in a rugged aluminum enclosure with a mounting flange gaskets and watertight connectors Though designed to withstand the marine environment the unit is not completely waterproof protect it by installing it where water won t contact it directly or enter it through data power or antenna cables Mounting and wiring the 2701 You can mount the 2701 either horizontally or vertically using the appropriate mounting holes see Figure 12 on the next page Keyhole slots at the rear will help if you re installing the 2701 where access is limited and it s hard to start the mounting screws at the obstructed end Securely tighten all mounting screws to avoid vibration related problems 958 Installation Manual Rev A1 Page 17 SECTION FOUR Installing and wiring the 2701 R 1 I T 1 1 1 0 52 TOP VIEW VERTICAL MOUNT 1 i p GQ I I E 2 0 UNIT OVERALL SPACE FOR 8 34 MOUNTING CENTERS UNIT REMOVAL 4 68 UNIT OVERALL 4 ai 1 L Silk i l f 3 0 REAR 1 8 FRONT MOUNTING l MOUNTING CENTERS TOP VIEW HORIZONTAL MOUNT 1 CENTERS l I f eH O f 5 1 140 Ly 8 9 UNIT OVERALL a 1 Connecting
27. al sentences on or off In general you may want to turn on only those sentences used by the particular equipment interfaced to the 958 Turning NMEA output sentences on and off To turn on or off the 958 s NMEA 0183 sentences first follow the above description to display the 0183 SENTENCE screen then press the CURSOR PAD to highlight the sentence you want to turn on or off then press EDIT Press the CURSOR PAD to toggle the sentence on or off and press ENTER to make your selection or CLEAR to leave it unchanged Repeat for each sentence as desired When you re done press RETURN to go back to the PORT SETUP screen NOTE The NMEA ON OFF item list controls only the Version 2 01 GLL and BWC items not the 1 5 version of these items Thus ON OFF changes made to the Version 1 5 GLL and BWC output items have no effect on the data actually output unless you select that particular format version Page 26 958 Installation Manual Rev A1 SECTION SIX Interfacing the 958 system If you want to set all the sentences to the factory settings for recommended output press the SAFE RESET menu key If you want to turn on only a select few sentences for output press the ALL OFF menu key to turn off all sentences then turn the desired ones back on Choosing the talker ID The NMEA 0183 standard requires that the equipment you re interfaced to the listener knows what type of device is transmitting the data The 958 s talker ID tells
28. al short beeps as it displays the START UP screen then performs a series of self tests to check its critical components and functions Next a message is shown as a reminder against relying on the 958 s chart cartography as the only means of safe navigation To see DGPS status on the GPS POSITION screen press DGPS INFO to display the DGPS STATUS screen Check for low noise levels and mid range SNR readings To see information about signals from the satellites press SAT INFO GPS Satellites 3p nav DPN NR 30 satellite 1 number 2 3 4 5 6 7 WAAS satellite number ACCURACY 5 FT epops 472 J RETURN Figure 14 Satellites on the GPS satellites screen The satellite map on the GPS SATELLITES screen shows the current location of the satellites in the sky The 958 displays GPS satellites as circles WAAS satellites as hexagons You can check the quality of their signals by looking at each satellite s Signal to Noise Ratio SNR The higher the ratio the better the quality Although the U S government identifies WAAS satellites by their pseudo random number PRN a three digit number ranging from 120 to 138 the 958 identifies them by two digit numbers ranging from 33 to 51 For example the satellite for the Atlantic Operating Region AOR is PRN 122 which the 958 displays as 35 See Table 5 below for the satellite identification numbers that may be displayed on the 958 s screen 958 Installation Manual Rev A1
29. ceptacle with 7 male contacts Mating Switchcraft EN3C7FC or equivalent Figure 9 Mounting the 2201 on a flat surface viewed from below 958 Installation Manual Rev A1 Page 13 SECTION THREE Installing and wiring the 2201 or 2301 2 Make sure the 2201 has enough clearance for you to easily connect the cable For example mount the 2201 on the edge of the deck or drill a small hole in the deck or other surface to allow the cable to pass through To mount the 2201 on a standard antenna mount 1 Using the 1 x 14 marine industry standard UNS thread mounting install the base of the 2201 onto a standard antenna mount Do not overtighten or you may damage the housing 4 50 114mm lt wwg6 62 0a Figure 10 Using a standard antenna mount 2 To avoid stressing the 2201 s connector with the weight of the cable use a tie wrap or similar near the 2201 to hold the cable s weight 3 Plug the 2201 end of the cable into the 2201 and the 958 end into the connector labelled GPS Coil any extra cable away from the 2201 Don t pinch the cable or make any sharp bends Don t run the cable where it interferes with any controls Page 14 958 Installation Manual Rev A1 Mounting and wiring the 2301 SECTION THREE Installing and wiring the 2201 or2301 The 2301 is mounted onto a standard antenna mount To complete this installation you ll also need a standard antenna mount mounting extension and mo
30. from zero to 100 knots clamps at 100kt ee MAIN UNIT l EXTERNAL CIRCUITRY 200 PPNM OUT VCC 12 volts 3 50 Volts max Figure 16 Wiring for 200 PPNM output Configuring the RS 232 port The RS 232 port on the NMFA connector is used to interface to any any compatible SC104 output or a PC for downloading waypoints or for uploading 958 software updates The following sections describe the RS 232 port s settings for SC 104 in and copy port 1 and 2 Using SC 104 in THE SC 104 IN setting lets the 958 accept optional differential corrections from any source that transmits the standard SC 104 data stream When using SC 104 IN be sure that the BAUD RATE setting also matches the beacon receiver s baud rate requirements Using copy port 1 and copy port 2 The COPY PORT setting lets you interface the 958 to many PC s without using an RS422 to RS232 converter Many PC application programs can be used for waypoint route loading chart programs data logging etc This function copies the output of the specified port 1 or port 2 data format NMEA 0183 or Raytheon 0183 to the RS 232 port s output for direct connection to the computer 1 Press STAR to display the OPTIONS SERVICE INFO screen then press PORT SETUP OPTIONS 2 Press PORT 1 SETUP or PORT 2 SETUP to confirm that the port you want to copy is now set to output the desired data format If necessary make changes now by 958 Installation Manual Rev A1 Page 2
31. gure 1 Mounting recommendations Page 4 958 Installation Manual Rev A1 Flush mounting the 958 SECTION TWO Installing and wiring the 958 When flush mounting leave at least two and a half inches of clearance space behind the mounting panel for all of the cables and connectors Flush mounting requires good ventilation behind the mounting panel Poor ventilation will cause the 958 to overheat which in turn may cause the display screen to darken For overall width and height requirements see the Northstar 958 Flush Mounting Template P N GT958 which you can use to drill the mounting holes and cut the mounting panel in the exact recommended locations CAUTION A When flush mounting be sure to mount the 958 on a flat surface Mounting on a curved surface can break or distort the plastic and break the waterproof seal Do not overtighten the mounting screws you may damage the case and compromise its waterproof seal This type of physical damage will void the warranty Yoke mounting the 958 For the recommended mounting clearances see Figure 2 and Figure 3 below 958 Installation Manual Rev A1 2 5 q 82 Figure 2 958 yoke mount dimensions side Page 5 SECTION TWO Installing and wiring the 958 a 13 5 ii 12 4 Figure 3 958 yoke mount dimensions front Wiring the 958 Avoiding cable wiring shortcuts Most installation problems are caused by sh
32. he 958 lets you turn off the NMEA 0183 checksum At the PORT 1 SETUP or PORT 2 SETUP screen press the CURSOR PAD to highlight the NMEA 0183 CHECKSUMS option then press EDIT Press the CURSOR PAD to change the setting from ON to OFF then press ENTER Selecting an independent NMEA output port datum You can adjust the geodetic datum for NMEA 0183 ports 1 and 2 separately from the datum you choose for position display At the PORT SETUP 1 or PORT SETUP 2 screen highlight the OUTPUT DATUM option then press EDIT Scroll through the choices to make your selection To apply this chosen datum to the lat lon coordinates in the NMEA 0183 output sentences press the ENTER key Page 28 958 Installation Manual Rev A1 SECTION SIX Interfacing the 958 system Using 200 ppnm output The 958 provides an open collector transistor output on pin 14 that s programmed to produce 200 pulses per nautical mile The emitter of the NPN transistor is connected to ground and its collector connects to the output pin see Figure 16 Wiring for 200 PPNM output below The output can sink 100mA and can withstand a maximum positive voltage of 50 volts If the output connects to an inductive device for example a relay a spike suppression diode such as a 1N4001 should be connected across the load Cathode connects to the power side of the device and anode connects to the output pin side The output is normally open switching to ground for 80ms It supports speeds
33. ion The VGA connector accepts the 15 pin connector from a standard VGA cable Check the manufacturer s instructions for further cabling and setup details If you re connecting to the Northstar 1201 or 1202 see the Northstar 1200 Series Display Owner s Guide part number GM1200UG Connecting the 958 to a video camera The 958 s VIDEO connector is used to connect to any NTSC compatible device such as a video camera Northstar doesn t supply the connecting cable since the cable requirements vary with each particular installation Check the manufacturer s instructions for further cabling and setup details After you ve connected the 958 to the video device check the connection by pressing the VIDEO menu key available on most 958 s screens to see the video image For instructions on moving the image and changing its size see the Northstar 958 Operator s Manual part number GM958UM Page 30 958 Installation Manual Rev A1 SECTION SIX Interfacing the 958 system Connecting two Northstar units You can connect two 958 s or a 958 to a 957 and then transfer one of the unit s waypoints and routes into the other To connect the 958 s you must fabricate an interface cable and terminate both its ends with the supplied 6 pin solder cup style cable connectors This data transfer cable is not included with the 958 You must select a cable use only shielded twisted pair You can also connect a 958 with a Northstar 952 951 or 94
34. n RMA number from the Northstar Service Department If the 958 was purchased through a dealer call the dealer with the 958 serial number so they can help you get an RMA number Shipments without a proper RMA number will not be accepted CAUTION You may want to back up any user defined waypoints and routes before returning the 958 for repair See the Northstar 958 A Operator s Manual for details The 958 is covered by a two year hardware only warranty which in summary states that if the unit is returned to the 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 See the Limited Warranty Policy at the front of this manual for further details The only cost to the owner will be the one way shipping charges and any associated charges that may be imposed by the dealer If you have overnight or second day shipping requirements before shipping the unit please call the factory for turnaround time freight charges and payment arrangements The 958 should be shipped only in a properly designed carton with packing material and to the Northstar factory at the following address Northstar Technologies Service Department 30 Sudbury Road Acton MA 01720 USA 958 Installation Manual Rev A1 Page 41 SECTION SEVEN Troubleshooting and servici
35. ng the 958 system Page 42 958 Installation Manual Rev A1 APPENDIX A 958 system technical specifications TABLE 15 958 technical specifications Physical features environmental Interfacing Waterproof control head 10 4 diagonal color LCD Unsurpassed sunlight viewability 640x480 pixel hi temp backlit transmissive color LCD Flush mount standard High contrast anti reflective screen Waterproof chart cartridge door Large easy to use backlit controls Easy interfacing I O plugs 0 degrees Celsius 55 degrees Celsius max 95 relative humidity noncondensing 10 36 volts DC power 50 watts Two bi directional NMEA I O ports 1 AUX port Two bi directional RS 232 ports Interfaces to optional Northstar 490 for fishfinding or to an optional Northstar radar Waypoint upload download capability to a PC with appropriate software One VGA out port connects to Northstar 1201 monitor and others One VIDEO in port NMEA input sentences WPL and others 200 PPNM speed output Honk output NMEA output sentences APB BOD BWC GGA GLC GLL GSA GSV LCD HSC MSS RNN RMC RMA RMB VTG WCV XTE ZDA ZTG Conforms to NMEA v 2 0 and later Supports 1 5 GLL and BWC Accepts most external loran receivers Waypoint and route transfer between two 958 s or a 957 and a Northstar 941 951 952 958 Installation Manual Rev A1 Page 43 APPENDIX A 958 system technical specifications TABLE 16
36. ngs are fine for most devices but the following are available if needed TABLE 8 Setup options for the NMEA port Setting Choices OUTPUT FORMAT see below For port 1 choose NONE 0183 RAY or 0183 V2 1 For port 2 choose the above plus RADAR NMEA 0183 TALKER ID choose GP LC or II to make see page 27 the 958 look like a GPS receiver Loran C receiver or an integrated instrument NMEA 0183 LL PRECISION choose hundredths of minutes see page 27 thousandths of minutes or ten thousandths of minutes OUTPUT RATE see page 28 choose 2 to 999 seconds for the interval at which data is sent to the external device see page 28 NMEA 0183 WAYPT ID AS choose NAME or NUMBER for the identifier of waypoints sent to the external device see page 28 NMEA 0183 CHECKSUMS choose ON or OFF for compatibility with some older devices OUTPUT DATUM see page 28 choose from a list of datums to apply to your lat lon coordinates if necessary Choosing the output format The 958 outputs navigation data in any of several standard formats as required by the receiving or listener device The OUTPUT FORMAT option provides the following choices None turns the outputs off for when the 958 isn t connected to an external device 958 Installation Manual Rev A1 Page 25 SECTION SIX Interfacing the 958 system 0183 Ray is used when transmitting recei
37. ntirely on the outside from the external connector to the connector on the 958 The 2301 uses a mount with an extension and the cable is routed through the inside of the extension To avoid mutual interference among different antennas on the vessel see the recommendations in Figure 8 below This figure shows the minimum distances that should separate GPS WAAS antennas from other antennas and physical mounting surfaces Normally these guidelines produce a relatively trouble free installation however since every installation is unique you may want to adjust these distances to the particular equipment Page 12 958 Installation Manual Rev A1 SECTION THREE Installing and wiring the 2201 or2301 y Heda pu 7 whip antenna ae MF HF a 7 INMARSAT beam Northstar INMARSAT GPS WAAS Min 3m Antenna Antenna we Min 5m Min 1 5m Min 0 5m Radar SERRE 77 Wi not within Ls radar beam Long wire la Tx MF HF Min 1m Min 4m Figure 8 Recommended separation distances between antennas antenna Mounting and wiring the 2201 To mount the 2201 onto a deck or any other flat surface 1 Using the three screws and washers provided mount the 2201 onto the flat surface using three holes on a 1 75 inch diameter circle see Figure9 below 61 750 1 00 14UNS 2Bx 1 00 deep 3x 3 16 32UNF 2B x 48 deep Mounting holes equally spaced around a 1 75 diameter circle Connector re
38. on 958 Installation Manual Rev A1 SECTION SEVEN Troubleshooting and servicing the 958 system Troubleshooting installation problems Problem Area CAUTION Make sure that the 958 doesn t interfere with any other on board systems Check all other systems to ensure that their performance doesn t degrade when the 958 is turned on TABLE 11 Troubleshooting the 958 installation Symptom Possible Solutions Reasons POWER DISPLAY e Pressing the PWR key doesn t start the 958 The 958 powers up beeps but there isn t any video Check the fuse and the power to the 958 e The display may have failed Call your Northstar dealer or the Northstar Ser vice Department 958 Installation Manual Rev A1 Page 35 SECTION SEVEN Troubleshooting and servicing the 958 system TABLE 11 Troubleshooting the 958 installation cont Problem Area Symptom Possible Solutions Reasons DISPLAY cont e The display screen dims either slightly or more after the 958 has been on for a certain time e The message 8117 FAILURE appears where the video input image should be e Color bars appear where the video overlay image should be The 958 may be going into auto dim ming mode Auto dimming helps maintain the integrity of the display and reduce power consumption when the 958 is on and running too hot for its current environment In this case the display screen may
39. ortcuts taken with system cables When wiring the 958 follow the guidelines in Figure 4 and Figure 5 below DON T DO THIS Don t make sharp bends in the cables Don t run cables in a way that allows water to flow down Figure 4 Incorrect cable wiring Page 6 958 Installation Manual Rev A1 SECTION TWO Installing and wiring the 958 DO THIS Do make drip and service loops Do tie wrap all cables to keep them secure If cables are shortened lengthened or re terminated do seal and protect all wiring connections Do leave room at the back to service the 958 Figure 5 Correct cable wiring Understanding the interface connectors All of the 958 s interface connectors are shown in Figure 6 Interface connectors back of 958 below The function of these connectors is described in Table 2 below AUX connector VGA connector GPS connector NMEA connector VIDEO co o Power connector Figure 6 Interface connectors back of 958 958 Installation Manual Rev A1 Page 7 SECTION TWO Installing and wiring the 958 TABLE 2 Interface connector functions Connector name Connector function s Connects to NMEA NMEA 1 0 NMEA 1 input output gt NMEA devices radar autopilot etc 18 pin port NMEA 2 input output gt Same as NMEA 1 Honk alarm 200 ppnm gt Remote honk alarm or speed indicator GPS Antenna GPS WAAS input output
40. r Sales Department to order the corresponding software update or download the update from the Dealer Express area of the website For operators 958 operators should contact their respective dealer for software updates Northstar does not recommend that operators install software updates If an update is installed incorrectly by mistake you may lose data and the 958 may not work properly Software updates aren t covered by the Northstar warranty Returning a 958 for service 958 repairs are performed only by authorized Northstar dealers or at the Northstar factory Service includes a complete hardware and software check out For a system under warranty shipping charges to the factory are the only cost for factory repair The repaired 958 will be returned via prepaid economy ground freight units returned overseas are chargeable The 958 and any accessories returned for warranty repair that are determined to be without fault are subject to a handling charge Page 40 958 Installation Manual Rev A1 SECTION SEVEN Troubleshooting and servicing the 958 system NOTE For 958 s still under warranty field repairs aren t authorized and will void the warranty Please contact the Northstar Customer Service Department if you need clarification or need assistance with having repairs done NOTE Before returning the 958 to the Northstar factory to prevent delays it is critical that you first obtain a Return Materials Authorizatio
41. ration Channel allocation 10 GPS channels plus two WAAS satellites Coarse acquisition C A code 1 023 MHz chip rate code and carrier phase tracking Sensitivity 135 dBm antenna input level Operating temperature 30 to 75 C standard Storage temperature 55 to 90 C Humidity SAE J1455 4 2 Procedure I II Waterproof Fully sealed unit Meets MIL STD 810E method 512 3 equivalent to 6 foot 30 minutes submersion Shock MIL STD 810E Method 506 4 Procedure IV Vibration MIL STD 810E Method 514 4 Category 8 Salt spray MIL STD 810E Method 509 3 48 hours Sand and dust MIL STD 810E Method 510 3 ESD IEC 1000 4 2 level 2 8 kV to 8 kV EMI FCC Class B European CE 89 EEC EN55022 class B EN50082 1 Ultraviolet light protection ASTM G53 88 Page 44 958 Installation Manual Rev A1 APPENDIX A 958 system technical specifications TABLE 17 2701 technical specifications Physical features Interfacing Dimensions 2 0 high x 4 68 wide x 8 9 deep Primary power 10 to 40 VDC 12V and 24V Weight 2 pounds systems 10 watts typical RS 232 GPS and beacon receiver comm ports Performance Environmental Velocity 1852 km h 514 m sec max Operating temperature Acceleration 4 Gs 39 2 m sec Jerk 2 m sec Receiver 0 degrees C to 50 degrees C Position accuracy lt 1 m circular error probability Antenna preamp 40 degrees C to 50 degrees C CEP DGPS
42. sel See the NMEA or American Boating and Yachting Counsel specifications to find the correct fuse for your cable For the best protection from noise connect the power cable directly to the battery or dedicated electronics buss The green ground wire should be connected to ship s ground directly The power cable has an inline fuse to protect the vessel s wiring and prevent electrical fires and damage to the 958 If you shorten this cable be sure to keep the inline fuse intact The wires in the power cable must be connected as follows red positive black negative green gt ship s ground NOTE Ground the 958 to the vessel to eliminate interference Without an earth grounding performance may be reduced Secure the green wire to the vessel s nearest grounding point If a noise free earth grounding point isn t available cap and insulate the green wire it shouldn t be used when an earth ground isn t available or with systems using floating grounds 958 Installation Manual Rev A1 Page 9 SECTION TWO Installing and wiring the 958 Page 10 958 Installation Manual Rev A1 SECTION THREE Installing and wiring the 2201 or 2301 Northstar 2201 Northstar 2301 3 mounting screws and 3 washers 2201 only 50 foot cable with two finished waterproof 7 pin connectors Figure 7 2201 and 2301 components booo 1 NOTE You can shorten the cable but do not lengthen it The cable
43. the 2701 to the 958 The pre finished 958BDM CA cable connects the 958 with the 2701 Plug the cable s 25 pin connector into the 2701 and the 7 pin connector into the 958 connector labelled GPS If you must remove one of the connectors re fabricate the cable using the wiring connections described below Figure 12 2701 case and mounting dimensions TABLE 4 Wiring connections for 2701 cable 958 connector 7 pin 2701 connector 25 pin Function 1 7 GPS RX1 Blue 2 21 BDM RX1 Orange 3 6 GPS TX1 Green 4 20 BDM TX1 Brown 5 12 Power CTL Black or Gray 6 13 GND White 7 25 Power Red 6 NC Drain Wire NC KS131 Foil Shield Page 18 958 Installation Manual Rev A1 SECTION FOUR Installing and wiring the 2701 Installing the AN205 P antenna Choosing the best antenna mounting location The 2701 operates with Northstar s AN205 P combo GPS DGPS antenna For mounting recommendations see see Choosing the best mounting location beginning on page 12 NOTE Before permanently installing the AN205 P_ try temporarily installing it and using the 958 to see if the antenna location works well CAUTION Don t mount the antenna near rotating warning beacons or strobe lights electric motors fluorescent lights or other RF A sources These can create RF interference to the differential reception If position data is intermittent make
44. tting XX XXXX lat lon precision to four decimal places ten thousands of minutes or roughly 2 foot The 958 conforms to the NMEA version 2 00 standard and is also compatible with version 1 50 Electronic and pen plotting devices typically benefit the most from three and four decimal places of precision However many older devices and some current autopilots designed to operate with the original 0183 and other formats can only function with two place precision NOTE Position information can be output and displayed to four decimal places but the ability to actually navigate with such accuracy is limited by the accuracy of the Loran and GPS systems Therefore choosing more decimal places doesn t necessarily increase navigating accuracy 958 Installation Manual Rev A1 Page 27 SECTION SIX Interfacing the 958 system Choosing the output rate The default rate for standard NMEA 0183 output is two seconds The 958 lets you use a one second update interval a rate of 1 Hz under limited circumstances for NMEA and diagnostic data output Using the 1 Hz output option requires some thought when specifying either NMEA 0183 NMEA version 2 0 or Raytheon RAY 0183 Because there isn t enough time to transmit all available sentences within one second you must select for output only those that are needed If you select more sentences than can be output in one second the 958 displays the following error message SORRY CAN
45. uda eye a a a wh Na Mas ad A 3 MOUS CHG ODS nues Mao waa TETEE A EN AGA Me gin RS ANNE aa ig Wiring the O58 a fn csi Sea a ey KIN ie aia ay Cpa tel a at 6 SECTION THREE Installing and wiring the 2201 or 2301 11 Checking the 2201 and 2301 parts 448 une ne pie de te RGAE 11 Mounting and WNS Sans CR ates Matta Sah ter nn the de 12 SECTION FOUR Installing and wiring the 2701 17 Mounting and wiring the 2701 pus paiandehines dental pyar a r Pat dsl 17 Installing the AN205 P antenna 45 cd uscane tae nas a tater ads RU eee routine hard A 19 SECTION FIVE Checking out the system 21 Turning Te 05 SON AOR ALU hid Gal ae his hehe leh at Race deat aot ta ds 21 Installation test checklist 55 ses ye Pe us ne RONG BA ATE ONE BE OLA ERS 22 SECTION SIX Interfacing the 958 system 23 Wiring the connector pins arrete Ete EEO OAS 23 Configuring the NMEA output ports 40 Presentation pip dede bn arabe sem pale 24 Using 200 ppnmM OUtpUt s is nes dita deg ok see nee BANAT da nl ae BA ga re 29 Configuring the RS 232 Doria ttn Gata ee A need 29 Connecting the 958 to a remote display 1 ses i eta ete Ae de eee ete 30 Connecting the 958 to a video camera lt 3 0 5 6 4 nature sata ben 30 Connecting two Northstar units 44 4ciesaviwss bai ew ced eee tente week ey 31 Setting the anchor watch alarm BONES otis the ee teh gh iat eae atk lek ats 34 SECTION SEVE
46. unting adapter 1 Antenna mount 2 Mounting extension 3 Hole in mounting extension 4 Mounting adapter 5 Base of 2301 6 2301 connector 7 Top of 2301 antenna 958 Installation Manual Rev A1 To install the 2301 1 Install a 1 x 14 UNF thread antenna mount in the desired location Screw a mounting extension onto the antenna mount Feed the 2301 cable through the hole in the mounting extension bringing cable up through the hollow core of the extension and out the top Screw a mounting adapter onto the extension bringing cable up through hollow core of the adapter and out the top Screw the 2301 s bottom half base onto mounting adapter Plug the cable s connector into connector on the 2301 s base Place the 2301 s top half antenna onto base Align top half of the 2301 with the base and tighten with four supplied screws Do not over tighten the screws or you may damage the housing Usea tie wrap or similar near the 2301 to hold the cable and help avoid stressing the 2301 s connector with the cable s weight Coil any extra cable away from the 2301 Don t pinch the cable or make any sharp bends Don t run the cable where it interferes with any controls Plug the 958 end of the cable into the connector labelled GPS Figure 11 Mounting the 2301 on an antenna mount Page 15 SECTION THREE Installing and wiring the 2201 or 2301 Re fabricating the 958
47. ving position information to or from Raytheon equipment In Raytheon s NMEA 0183 format the checksum isn t used Note Since the checksum isn t used the 958 may receive incorrect NMEA data when connected to an external Raytheon loran NMEA 0183 Version 2 1 is a general use interface output format used by most autopilots radars plotters and other equipment NMEA 0183 Version 1 5 sentences BWC GLL and RNN allow backwards compatibility with marine equipment designed for this earlier version of 0183 Radar is used when the 958 is connected to a Northstar radar Displaying NMEA output sentences When you select 0183 or 0183 RAY as the output format after pressing the EDIT menu key and press ENTER a screen is displayed showing all the NMEA 0183 sentences the 958 can output Port 1 NMEA 0183 Press EDIT to change paps MSS BOD RMA BWC RMB BWC 1 5 RMC GGA RNN 1 5 GLC VTG FE GLL WCV RESET GLL 1 5 WPL ut GSA XTE ALL OFF GSV ZDA HSC ZTG Lt RETURN Three letter abbreviations identify each sentence and are listed alphabetically For the meaning of these sentences see the NMEA interface specifications document published by the NMEA The sentences to be output are followed by the word ON those that won t be output have two dashes indicating that they re off Some devices can t handle all these sentences correctly so you can customize the output here by turning individu
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