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- Installation Manual
NorthStar 972 Installation Manual
Summary of 972
Page 1
972 networked navigation system i nstallation m anual revision b part number gm972im northstar a unit of brunswick new technologies marine electronics 30 sudbury road acton, massachusetts 01720 www.Northstarnav.Com service: 978/897-6600 sales: 800/628-4487.
Page 3: Contents
Contents section one: introducing the 972 - - - - - - - - - - - - - - - - 1 caution - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1 checking the 972 package - - - - - - - - - - - - - - - - - - - 1 section two: installing and wiring the 972 - - - - - - - - - - - 5 972 configuration - - - - ...
Page 5: Caution
972 installation manual, rev. B page 1 section one: introducing the 972 caution attention installers: this processor module must be handled with reasonable care and protected from the following; • moisture - do not mount this processor in unprotected areas of the vessel having moisture. • vibration ...
Page 6
Section one: introducing the 972 page 2 972 installation manual, rev. B to connect multiple units, ethernet cables must be purchased separately (see ”section four: networking the northstar 972” starting on page 17). Table 1: 972 processor installation kit qty part name part number 1 gps smart antenn...
Page 7
972 installation manual, rev. B page 3 table 3: 972 parts kit contents (p/n 15-pk) qty part name part number 1 spare fuse (7a fast-blow 5 x 20mm) ff211 12 hex nut, 8-32, for flush-mounting hn421 12 threaded stud, 8-32, for flush mounting hs605 12 lockwasher, #8, for flush mounting hw400 12 flat wash...
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Section one: introducing the 972 page 4 972 installation manual, rev. B.
Page 9: 972
Section two: installing and wiring the 972 972 installation manual, rev. B page 5 section two: installing and wiring the 972 972 configuration the northstar 972 uses a processor module that must be mounted in a protected location and a control head that can be exposed to water splash. A dvi video ca...
Page 10: Mounting The Control Head
Section two: installing and wiring the 972 page 6 972 installation manual, rev. B mounting the control head choosing the best mounting location choose the mounting locations carefully before you drill or cut. The control head should be mounted so that the operator can easily use the controls and cle...
Page 11: Mounting The Processor
Section two: installing and wiring the 972 972 installation manual, rev. B page 7 mounting the processor the processor should be installed in an accessible, dry location where cabling can be accessed and suitable ventilation is present. See the 972 processor mounting template (p/n gt972) for hole lo...
Page 12: Wiring The 972
Section two: installing and wiring the 972 page 8 972 installation manual, rev. B wiring the 972 avoiding cable wiring shortcuts most installation problems are caused by shortcuts taken with system cables. When wiring the 972, follow the guidelines below. 13-3/4 14-3/4 7 dimensions in inches 972 pro...
Page 13: Control Head Connectors
972 installation manual, rev. B page 9 control head connectors control head connectors are shown in figure 3 on page 9. The control head connects to: • dc power, through the supplied wa-535 cable with a 7-amp in-line fuse. • the processor module, using the supplied wc276-9 dvi video cable and the su...
Page 14
Section two: installing and wiring the 972 page 10 972 installation manual, rev. B wiring between the black box and the control head (shown below) is critical for proper operation. Never attempt to splice these cables. If necessary, use the available longer cables. Power fuse nmea connector (18-pin)...
Page 15
Section two: installing and wiring the 972 972 installation manual, rev. B page 11 electrical power requirements the 972 is a negative-ground system that’s reverse-polarity protected. Power requirement is 10 vdc minimum to 32 vdc maximum, using at least 16-gauge connecting wire. Connecting the 972 t...
Page 16
Section two: installing and wiring the 972 page 12 972 installation manual, rev. B if you lengthen the power cable, use an external fuse at the battery end as an added safety precaution. The fuse size should be chosen to be appropriate for the size of the smallest conductor in the circuit. See the n...
Page 17: The Gps Antenna
Section three: installing and wiring the gps antenna 972 installation manual, rev. B page 13 section three: installing and wiring the gps antenna the 2301 antenna mounting and wiring choosing the best mounting location before you drill or cut , choose a mounting location that meets the following cri...
Page 18
Section three: installing and wiring the gps antenna page 14 972 installation manual, rev. B • away from masts or objects that could “shadow” the 2301, but where there’s an adequate view of the sky. To avoid mutual interference among different antennas on the vessel, see the recommendations in figur...
Page 19
972 installation manual, rev. B page 15 mounting and wiring the 2301 the 2301 is mounted onto a standard antenna mount. To complete this installation, you’ll also need a standard antenna mount, mounting extension, and mounting adapter. Figure 8: mounting the 2301 on an antenna mount 1 2 3 4 5 6 7 1....
Page 20
Section three: installing and wiring the gps antenna page 16 972 installation manual, rev. B re-fabricating the 972 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 972 end and then replace it...
Page 21: Section Four: Networking The
Section four: networking the northstar 972 972 installation manual, rev. B page 17 section four: networking the northstar 972 the 972 uses northstar’s networking technology, based on the ethernet standard and conforming to the ieee 802.3u 100base-tx specification (also referred to as “fast ethernet....
Page 22: Restrictions On Networking
Section four: networking the northstar 972 page 18 972 installation manual, rev. B • if an nmea device is connected to a slave unit, that slave must be turned on and operating for that device to be functional across the network • should there be a failure in the master unit, a slave could be tempora...
Page 23: Number of Devices
972 installation manual, rev. B page 19 number of devices the initial survey should also determine whether or not an ethernet switch will be needed. A switch is only necessary if the installation includes more than two devices. For example, networking two 972s and radar requires a switch. Connecting...
Page 24
Section four: networking the northstar 972 page 20 972 installation manual, rev. B.
Page 25: Turning The 972 On and Off
972 installation manual, rev. B page 21 section five: checking out the system turning the 972 on and off to turn on the 972, gently and briefly press the pwr key. The unit emits several short beeps as it displays the start-up screen, then performs a series of self-tests to check its critical compone...
Page 26: Installation-Test Checklist
Section five: checking out the system page 22 972 installation manual, rev. B although the u.S. Government identifies waas satellites by their pseudo random number (prn)—a three-digit number ranging from 120 to 138—the 972 identifies them by two-digit numbers ranging from 33 to 51. For example, the ...
Page 27
Section six: interfacing the 972 system 972 installation manual, rev. B page 23 section six: interfacing the 972 system this section describes the use of the nmea, aux, vga and video connections. For networking using the ethernet connections, see “section four: networking the northstar 972” beginnin...
Page 28: The Nmea Connector
Section six: interfacing the 972 system page 24 972 installation manual, rev. B the nmea connector the 972’s nmea connector contains the following functions: nmea port 1, nmea port 2, and the rs-232 port. Wiring the nmea connector pins configuring the nmea ports you can set each nmea port to meet th...
Page 29
Section six: interfacing the 972 system 972 installation manual, rev. B page 25 the devices interfacing with the 972 may have special requirements; check their installation instructions. The factory settings are appropriate for most devices, but the following are available for special circumstances....
Page 30
Section six: interfacing the 972 system page 26 972 installation manual, rev. B sentences—bwc, gll, and rnn—are included to allow backwards compatibility with marine equipment designed for this earlier version of 0183). Selecting nmea output sentences when you select 0183 v2.1 as the output format (...
Page 31
Section six: interfacing the 972 system 972 installation manual, rev. B page 27 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 edit. 3. Scroll through the choices using the cursor pad to make your selection, and press enter...
Page 32: Configuring The Rs-232 Port
Section six: interfacing the 972 system page 28 972 installation manual, rev. B from number to name , and press enter when done. If capable, the listening device will now display six-character waypoint names. Choosing the checksum setting some older devices may not accept sentences containing the nm...
Page 33: Using The Aux Port
Section six: interfacing the 972 system 972 installation manual, rev. B page 29 connection to the computer. A number of pc application programs can be used for waypoint/route loading, charting programs, data logging, etc. After checking that the desired port is outputting the correct data: 1. Press ...
Page 34
Section six: interfacing the 972 system page 30 972 installation manual, rev. B to configure the aux port: 1. Press star to display the options/service info screen, then press port setup options. 2. Press the cursor pad to select the aux port setup line. 3. Press the cursor pad to choose sounder, da...
Page 35
Section six: interfacing the 972 system 972 installation manual, rev. B page 31 • for wiring a 972 to a 958 or 957, see figure 11 and table 12 on page 32. • for wiring a 972 to a 952, 951 or 941, see figure 12 and table 13 on page 33. 5. Slide the twist lock onto the connector body. 6. Screw the con...
Page 36
Section six: interfacing the 972 system page 32 972 installation manual, rev. B table 12: 957/958-to-972wiring 957/958 pin # function 6000i pin # function 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 o...
Page 37
972 installation manual, rev. B page 33 connecting the 972 to a remote display the 972’s vga connector is used to connect it with a remote display. A standard vga cable is used. Northstar doesn’t supply the connecting cable since the cable requirements vary with each particular installation. Check t...
Page 38
Section six: interfacing the 972 system page 34 972 installation manual, rev. B.
Page 39: Servicing The 972 System
Section seven: troubleshooting and servicing the 972 system 972 installation manual, rev. B page 35 section seven: troubleshooting and servicing the 972 system troubleshooting installation problems caution! Make sure that the 972 doesn’t interfere with any other on-board systems. Check all other sys...
Page 40: Getting Technical Support
Section seven: troubleshooting and servicing the 972 system page 36 972 installation manual, rev. B 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 ...
Page 41: Hearing From You
Section seven: troubleshooting and servicing the 972 system 972 installation manual, rev. B page 37 hearing from you your feedback is important and helps northstar ensure that this manual is a valuable resource for all marine technicians. E-mail your comments or suggestions about this manual to the ...
Page 42: Obtaining Software Updates
Section seven: troubleshooting and servicing the 972 system page 38 972 installation manual, rev. B • service bulletins (for known issues and solutions) • software update information (for new software features) • service request form (for sending systems back) • service status request form (for syst...
Page 43
Section seven: troubleshooting and servicing the 972 system 972 installation manual, rev. B page 39 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 972 should be shipped o...
Page 44
Section seven: troubleshooting and servicing the 972 system page 40 972 installation manual, rev. B.
Page 45
Appendix a: 972 technical specifications 972 installation manual, rev. B page 41 appendix a: 972 technical specifications table 15: 972 technical specifications gps specifications accuracy:3 meters accuracy with waas: 2 meters physical features/environmental waterproof (from the front side) control ...
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Appendix a: 972 technical specifications page 42 972 installation manual, rev. B.