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SECTION TWO: Installing and wiring the 958

Page 8

958 Installation Manual, Rev. A1

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.

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:

•

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

TABLE 2: In t e r f a c e c o n n e c t o r f u n c t i o n s

Connector name

Connector function(s)

Connects to...

NMEA (NMEA I/O)
(18-pin port)

NMEA 1 input/output -------------->

NMEA 2 input/output -------------->

Honk alarm/200 ppnm ------------>

NMEA devices: radar, autopilot, etc.

Same as NMEA 1

Remote honk alarm (or speed indicator)

GPS (Antenna)
(7-pin RS232 port)

GPS/WAAS input/output --------->

Beacon input/output -------------->

2201 or 2301 GPS antenna
- or -
Northstar 2701 beacon receiver (optional)

AUX (Auxiliary)
(6-pin auxiliary NMEA
port)

RS-422/NMEA input/output ----->

Northstar 490 echo sounder (optional)

- 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

CAUTION!

As a good safety practice, Northstar strongly recommends
that you connect the 958 to a circuit breaker or 20-amp fuse
at the power source (battery).

Содержание 958

Страница 1: ...958 INTEGRATED NAVIGATION SYSTEM INSTALLATION MANUAL Part Number GM958IM Revision A1 Northstar Technologies 30 Sudbury Road Acton Massachusetts 01720 800 628 4487 978 897 6600 www northstarcmc com ...

Страница 2: ...f the owner To be covered by this warranty the Northstar equipment must have been 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...

Страница 3: ... SECTION FIVE Checking out the system 21 Turning the 958 on and off 21 Installation test checklist 22 SECTION SIX Interfacing the 958 system 23 Wiring the connector pins 23 Configuring the NMEA output ports 24 Using 200 ppnm output 29 Configuring the RS 232 port 29 Connecting the 958 to a remote display 30 Connecting the 958 to a video camera 30 Connecting two Northstar units 31 Setting the anchor...

Страница 4: ......

Страница 5: ...n 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 sunshi...

Страница 6: ...r for AUX port KS672 1 beacon receiver including GPS DGPS antenna 50 foot AN205 P antenna cable 10 foot pre finished data power cable 2701 optional AN205 P WC 256 958BDM CA 1 1 1 1 958 yoke mount kit 601 YOKE IK optional 1 remote control and batteries 958RC optional 1 Table 1 958 parts list Part name Part number Qty ...

Страница 7: ...additional mounting recommendations WARNING Before starting the installation be sure to turn power off Further Northstar highly recommends keeping power off while you re installing 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 ...

Страница 8: ...uld 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 ...

Страница 9: ...irements 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 Yoke mounting the 958 For the recommended mounting clearances see Figure 2 and Figure 3 below Figure 2 958 yoke mount dimensions side CAUTION When flush mounting be sure to mount the 958 on a flat surface Mounting on a curved s...

Страница 10: ... Avoiding cable wiring shortcuts Most installation problems are caused by shortcuts taken with system cables When wiring the 958 follow the guidelines in Figure 4 and Figure 5 below Figure 4 Incorrect cable wiring 13 5 11 6 12 4 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 ...

Страница 11: ...ack of 958 below The function of these connectors is described in Table 2 below Figure 6 Interface connectors back of 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 NMEA connector VIDEO connector Power connector GPS conne...

Страница 12: ...t i o n s Connector name Connector function s Connects to NMEA NMEA I O 18 pin port NMEA 1 input output NMEA 2 input output Honk alarm 200 ppnm NMEA devices radar autopilot etc Same as NMEA 1 Remote honk alarm or speed indicator GPS Antenna 7 pin RS232 port GPS WAAS input output Beacon input output 2201 or 2301 GPS antenna or Northstar 2701 beacon receiver optional AUX Auxiliary 6 pin auxiliary NM...

Страница 13: ...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 ship s ground NOTE Ground the 958 to the vessel to eliminate interference Withou...

Страница 14: ...SECTION TWO Installing and wiring the 958 Page 10 958 Installation Manual Rev A1 ...

Страница 15: ...onents NOTE You can shorten the cable but do not lengthen it The cable 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 50 foot cable with two finished waterproof 7 pin connectors 3 mounting screws and 3 washers 2201 only Northstar 2201 Northstar 2301 ...

Страница 16: ... 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 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 Norma...

Страница 17: ...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 Figure 9 Mounting the 2201 on a flat surface viewed from below Connector receptacle with 7 male contacts Mating Switchcraft EN3C7FC or equivalent 3x 3 16 32UNF 2B x 48 deep Mounting holes equally spaced around a 1 75 diameter circle 1 00 14UN...

Страница 18: ...dustry standard UNS thread mounting install the base of the 2201 onto a standard antenna mount Do not overtighten or you may damage the housing 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 conne...

Страница 19: ... in the mounting extension bringing cable up through the hollow core of the extension and out the top 4 Screw a mounting adapter onto the extension bringing cable up through hollow core of the adapter and out the top 5 Screw the 2301 s bottom half base onto mounting adapter 6 Plug the cable s connector into connector on the 2301 s base 7 Place the 2301 s top half antenna onto base 8 Align top half...

Страница 20: ...riate 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...

Страница 21: ...r 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 tight...

Страница 22: ...ector 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 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 ...

Страница 23: ... 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...

Страница 24: ...SECTION FOUR Installing and wiring the 2701 Page 20 958 Installation Manual Rev A1 ...

Страница 25: ...ss SAT INFO 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 gov...

Страница 26: ...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 Review the functions With a chart cartridge inserted check that the CHART screen is displayed 3 Confirm that the DIFFERENTIAL O...

Страница 27: ...MEA 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 orang...

Страница 28: ...ETUP 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 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 connecti...

Страница 29: ...tting 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 see page 27 choose GP LC or II to make the 958 look like a GPS receiver Loran C receiver or an integrated instrument NMEA 0183 LL PRECISION see page 27 choose hundredths of minutes thousandths of minutes or ten thousandths of minutes OUTPUT RATE see page 28 ...

Страница 30: ...ces 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 individual sentences on or off In general you may want to turn on only those sentences used by th...

Страница 31: ...n 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 numbe...

Страница 32: ...r waypoint names 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 the 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 C...

Страница 33: ...ace 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 B...

Страница 34: ...acturer 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 ...

Страница 35: ...er 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 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 di...

Страница 36: ... 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 958 6 PIN AUX CONNECTOR 957 958 6 PIN AUX CONNECTOR 1 2 3 4 5 6 1 2 3 4 5 6 No connect Aux input A Ground shield Aux output A Aux input B Aux output B Shield termination Aux output A Aux input A Aux output B Aux input B Ground shield Pin number No con...

Страница 37: ...side view solder cup 952 951 941 10 PIN AUX CONNECTOR Pin number 1 2 3 4 958 6 PIN AUX CONNECTOR Pin number 5 6 7 8 9 10 1 2 3 4 5 6 No connect No connect No connect No connect No connect Aux input B Ground shield Aux output B Aux input A Aux output A Shield termination Aux input B Ground shield Aux output B Aux output A Aux input A No connect ...

Страница 38: ...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 anch...

Страница 39: ...all other systems to ensure that their performance doesn t degrade when the 958 is turned on TABLE 11 Troubleshooting the 958 installation Problem Area Symptom Possible Solutions Reasons POWER DISPLAY 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 The display may have failed Call your Northstar dealer or the Nort...

Страница 40: ...eck 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 The system locks up on a random basis with no apparent pattern The system locks up when using a chart card System fails any initial self tests Possible internal failure call your Northstar d...

Страница 41: ... 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 C...

Страница 42: ...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 ...

Страница 43: ...t 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 Contac...

Страница 44: ...ts 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 Northstar 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 Northst...

Страница 45: ...arges 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 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 ...

Страница 46: ...SECTION SEVEN Troubleshooting and servicing the 958 system Page 42 958 Installation Manual Rev A1 ...

Страница 47: ...capability to a PC with appropriate software High contrast anti reflective screen Waterproof chart cartridge door One VGA out port connects to Northstar 1201 monitor and others Large easy to use backlit controls One VIDEO in port Easy interfacing I O plugs NMEA input sentences WPL and others 0 degrees Celsius 55 degrees Celsius max 95 relative humidity noncondensing 10 36 volts DC power 50 watts 2...

Страница 48: ...o 19 200 baud Default baud rate 9600 Performance Environmental Acceleration 4 Gs 39 2 m s2 Jerk 2 m s3 Operating temperature 30 to 75 C standard Velocity 1852 km h 514 m s max Storage temperature 55 to 90 C Position accuracy 3 m 2dRMS Humidity SAE J1455 4 2 Procedure I II Time to first fix TTFF Hot start 20 seconds typical with current almanac Warm start 45 seconds typical with current almanac Col...

Страница 49: ...ar error probability CEP DGPS 2 m circular 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 1 second typic...

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