NorthStar Navigationメーカー941Xの使用説明書/サービス説明書
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North star 941X Re f ere nc e M a nua l SOFTW ARE VERSION 2.05 30 SU DBU R Y ROAD ACTON, MASSACHU SE TTS 01720 (508) 897-6600 Copyrigh t 1994, 1995, 1996 No rthstar Technologies P /N GM1100 Doc.
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WA RRA NTY North star Tech nologies, a Di vision of CM C E lectroni cs, Inc., war r ant ees its p roduct s to be free from defects in material and workmanship for a period of two (2) years from the date of s hipment to an authorized dealer. This warranty applies to the original pu rchaser or subsequent owner.
IM PORTA NT NOTICE Although Norths tar products are designed to be very usef ul navigation tool s, they are not substitutes for good seamans hip. The prudent navigator should never rely on any single device as the sole source of navigation guidance. Exercise caution and good judgment whenever underway.
! C C C CO NT EN TS ONTENTS ONTENTS ONTENTS ! The Northstar 941X The Northstar 941X The Northstar 941X The Northstar 941X Introduction ................................................................. 2 Upon First Start-up ............................
Creating Waypoints and Creating Waypoints and Creating Waypoints and Creating Waypoints and Routes Routes Routes Routes Entering Data .............................................................. 36 Creating Waypoints ................................
Other Special Functions Other Special Functions Other Special Functions Other Special Functions Alarms ......................................................................... 68 Screen Backlighting ...................................................
Figures Figures Figures Figures F IGU R E 1—M AX . P O S IT IO N V ARIANC E S WITH U NCORRECTED GPS .... 8 F IGU R E 2—Y OKE M OUNT D RI LL ING D IM EN S ION S ........................... 102 F IGU R E 3—R EAR C ONNECTORS .......................
Rev. D 1 — Introduction 1 — Introduction 1 — Introduction 1 — Introduction Page 1 Introduction 2 Upon First Start-up 2 Using This Manual 3 Features 4 Functions 5 Comparing GPS and L oran 5 Mou.
Page 2 1 — Introduction 1 — Introduction 1 — Introduction 1 — Introduction Rev. D HE NORTHSTAR 941X combines 12-ch annel GPS navigati on with Differential GPS capability, a high-def inition display, loran compati- bility, built-in tide data up to the year 2010, and many other navigation features.
Rev. D 1 — Introduction 1 — Introduction 1 — Introduction 1 — Introduction Pa ge 3 The alarm mess age NO G PS PO SIT ION FIX , al ong with its time and date, are shown in the RE CE NT ALAR M S box. The word NE W in the upper right corner of the box indicates that this is a previously unac- knowledged message.
Page 4 1 — In troduction 1 — Introduction 1 — Introduction 1 — Introduction Rev. D Upon using the 941X, you’l l see that you can actually learn to operate the system’s vari ous features with out constant r eferral to this manual. Aft er you’ve read thro ugh it once, yo u won't have to refer to it ve ry o ften again.
Rev. D 1 — Introduction 1 — Introduction 1 — Introduction 1 — Introduction Page 5 Five keys on the 941X instant ly select the most commonly used func- tions, as described b elow: POSITION disp.
Page 6 1 — In troduction 1 — Introduction 1 — Introduction 1 — Introduction Rev. D from a cha rt or other reference. Repeatable accuracy refers to the ability to return to a position w hose coordinates you have previousl y recorded with the same equipment.
Rev. D 1 — Introduction 1 — Introduction 1 — Introduction 1 — Introduction Page 7 “beacons, ” the transmitters are be ing situated at various locatio ns along the U.S. coastline and Great Lakes, most of which a re former marine ra- diobeacon sites.
Page 8 1 — Introduction 1 — Introduction 1 — Introduction 1 — Introduction Rev. D Loran, however, isn’t as prof icient as GPS in absolute accuracy , or visit- ing a spot f or the first time.
Rev. D 1 — Introduction 1 — Introduction 1 — Introduction 1 — Introduction Page 9 If you nee d a higher level o f accuracy than what basic GPS provides, there are two ch oices available to you: 1.
Page 10 1 — Introduc tion 1 — Introduction 1 — Introduction 1 — Introduction Rev. D real-time loran TDs. These fea tures greatly ea se the transition from using loran to u sing GPS. See pag e 30 for further de tails on us in g loran TDs . The 941X’s plotter provides a picture of your position, and of what is around you.
Rev. D 1 — Introduction 1 — Introduction 1 — Introduction 1 — Introduction Page 11 any oil or grease on the screen. Whenever p ossible, avoid touching the w i n d o w w i t h y o u r f i n g e.
Page 12 1 — Introduc tion 1 — Introduction 1 — Introduction 1 — Introduction Rev. D.
Rev. D 2 — Using the Controls 2 — Usin g the Controls 2 — Usin g the Controls 2 — Using the Con trols Page 13 POWER Key 14 CONTRAST Key 14 SAVE/MO B Key 15 Function Keys 16 Menu Keys 1 7 Cursor Keys 17 Keypad 17 Special Dis play Windo ws 18 HIS SECTION de scribes each of the Northstar 941X's contr ols.
Page 14 2 — Using the Con trols 2 — Usin g the Controls 2 — Usin g the Controls 2 — Usin g the Controls Rev. D H E M A J O R F U N C T I O N S o f e a c h o f t h e 9 4 1 X ' s c o n t r o l s a r e d e - scribed in this section. Press th e POWER s w i t c h b ri e f l y t o t u rn o n t he 9 4 1 X.
Rev. D 2 — Using the Con trols 2 — Usin g the Controls 2 — Usin g the Controls 2 — Using the Con trols Page 15 The SAVE/MOB k ey is us ed to sa ve yo ur cu rr en t p os it io n a s a wa yp o in t. It does this in either of two ways, dep ending on whether you pr ess the key briefly, or press an d hold it.
Page 16 2 — Using the Con trols 2 — Usin g the Controls 2 — Usin g the Controls 2 — Usin g the Controls Rev. D To leave MOB mode and return to normal navigation, press SAVE/MOB for at le as t three secon ds. The five functi on keys located b elow the disp lay screen c ontrol wha t the 941X is doing.
Rev. D 2 — Using the Con trols 2 — Usin g the Controls 2 — Usin g the Controls 2 — Using the Con trols Page 17 The NAV LOG key displays the waypoints yo u have passe d, and all ows you to change those ah ead of you. See “Wh at N AV LOG Does,” on page 64, fo r more informatio n.
Page 18 2 — Using the Con trols 2 — Usin g the Controls 2 — Usin g the Controls 2 — Usin g the Controls Rev. D right side of the field. If you make a mistake, you can press CL E AR to clear the entire number and re-enter it, or you can press the left-a rrow cursor key to reenter particular digits , one at a time.
Rev. D 2 — Using the Con trols 2 — Usin g the Controls 2 — Usin g the Controls 2 — Using the Con trols Page 19 Information windows are displayed wh ile you are entering data or using control functions. They give you extra deta ils pertaining to wh at is about to happen, or let you acknowledge a command.
Page 20 2 — Usin g the Controls 2 — Usin g the Controls 2 — Usin g the Controls 2 — Usin g the Controls Rev. D.
Rev. D 3 — Basic Na vigation 3 — Basic Navigation 3 — Basic Navigation 3 — Basic Naviga tion Page 21 Displaying Po sitio n, Heading & Sp eed 22 Position Plotter 22 Using GPS 25 Using Loran.
Page 22 3 — Basic Naviga tion 3 — Basic Navigation 3 — Basic Navigation 3 — Basic Navi gation Rev. D O DISPLAY the coor dinates of your current position, simply press the button marked POSITION .
Rev. D 3 — Ba sic Naviga tion 3 — Basic Navigation 3 — Basic Navigation 3 — Basic Naviga tion Page 23 The image of your boat displayed on the screen p oints in the dir ection of your Course-Over-Ground. Remember, this direction may be different from yo ur heading.
Page 24 3 — Basic Navigati on 3 — Basic Navigation 3 — Basic Navigation 3 — Basic Navi gation Rev. D To s et up the parameters fo r the display of data o n the plotter screen, press th e OPTIONS menu key.
Rev. D 3 — Ba sic Naviga tion 3 — Basic Navigation 3 — Basic Navigation 3 — Basic Naviga tion Pa ge 25 You may also choose to freeze th e track, so that no more points will be stored and the track will remain unchan ged. Pressing th e CLE AR TRACK menu key clears the track history displayed on the screen.
Page 26 3 — Basic Navigati on 3 — Basic Navigation 3 — Basic Navigation 3 — Basic Navi gation Rev. D In the center of the screen, th e name of th e datum cur rently in use is dis- played. The datum describes the reference of the char t you are currently using (the reference datum used is indicated on each chart).
Rev. D 3 — Ba sic Naviga tion 3 — Basic Navigation 3 — Basic Navigation 3 — Basic Naviga tion Page 27 For f urther information on operating in DGPS mode, ref er to “Internal Differential Beacon Receiver,” o n page 74.
Page 28 3 — Basi c Navigation 3 — Basic Navigation 3 — Basic Navigation 3 — Basic Navi gation Rev. D The following GPS data is also displayed: ACCURACY ACCURACY ACCURACY ACCURACY: The estimated a ccuracy of the GPS system to be expected at the curre nt time.
Rev. D 3 — Ba sic Naviga tion 3 — Basic Navigation 3 — Basic Navigation 3 — Basic Naviga tion Page 29 The lower par t of the screen sh ows three bar gr aphs: 1. SNR SNR SNR SNR The Signal to Noise Rati o (SNR) is a good overall measur e of overall signal quality, an d should be as high as possible.
Page 30 3 — Basic Navigation 3 — Basic Navigation 3 — Basic Navigation 3 — Basic Navi gation Rev. D MESSAGE MEANING OLD CORRECTIONS No DGPS corrections hav e been received within the DGPS DATA TIM EO UT limit set in RECE IVER OPTIONS (default is 1 min- ute), and the navigator has returned to non- differential operation.
Rev. D 3 — Ba sic Naviga tion 3 — Basic Navigation 3 — Basic Navigation 3 — Basic Naviga tion Page 31 4. Press the up and down cursor arrow keys to display EXT ERN AL LRN as the position source. If you change your mind, press CL E AR to restore the original setting; otherwise, press ENT ER, then the RETU RN menu key.
Page 32 3 — Basic N avigation 3 — Basic Navigation 3 — Basic Navigation 3 — Basic Navi gation Rev. D INDICATOR MEANING SNR Signal-to-Noise Ratio is low —use caution BLNK Coast Guard is trans.
Rev. D 3 — Ba sic Naviga tion 3 — Basic Navigation 3 — Basic Navigation 3 — Basic Naviga tion Page 33 ber, however, that these calculated TDs will not match exactly the posi- tions of previously recorded TD coordina tes obtained dir ectly from a c- tual loran signals.
Page 34 3 — Basic Navigation 3 — Basic Navigation 3 — Basic Navigation 3 — Basic Navi gation Rev. D Press th e L/L TDS menu key several times t o select the par ticular pair of TDs you wish to use o r to display GPS latitude/longitude.
Rev. D 4 — Creating Waypoints a nd Routes 4 — Cre ating Wayp oints and Ro utes 4 — Cre ating Wayp oints and Ro utes 4 — Cre ating Wayp o ints and Rout es Page 35 Entering Data 36 Creating W ay.
Page 36 4 — Creating Waypoi nts and Routes 4 — Cre ating Wayp oints and Ro utes 4 — Cre ating Wayp oints and Ro utes 4 — Cre ating Wayp oints and Ro utes Rev.
Rev. D 4 — Creating Waypoints a nd Routes 4 — Cre ating Wayp oints and Ro utes 4 — Cre ating Wayp oints and Ro utes 4 — Cre ating Wayp o ints and Rout es Page 37 4. String these waypoints to gether to form routes 5. Follow these routes 6. Edit or er ase waypoi nts or routes 7.
Page 38 4 — Creating Waypoints and Rou tes 4 — Cre ating Wayp oints and Ro utes 4 — Cre ating Wayp oints and Ro utes 4 — Cre ating Wayp oints and Ro utes Rev. D Waypoint coor dinates can be enter ed as lat/lon coordinates, loran TDs, or as distance and beari ng from your pr esent location or fr om any way- point in the 941X’s memory.
Rev. D 4 — Creating Waypoints a nd Routes 4 — Cre ating Wayp oints and Ro utes 4 — Cre ating Wayp oints and Ro utes 4 — Cre ating Wayp o ints and Rout es Page 39 I f th i s n ew w ay po i n t i s t o b e u s ed as t he c e n te r o f a n avoidance area , en- ter the warning ra dius at the bottom of the screen in the WARN RA DIUS box.
Page 40 4 — Creating Waypoints and Routes 4 — Cre ating Wayp oints and Ro utes 4 — Cre ating Wayp oints and Ro utes 4 — Cre ating Wayp oints and Ro utes Rev. D As a precaution , once you have designated a waypoint as an avoidance area, the 941X does not a llow you to navigate to it.
Rev. D 4 — Creating Waypoints a nd Routes 4 — Cre ating Wayp oints and Ro utes 4 — Cre ating Wayp oints and Ro utes 4 — Cre ating Waypo ints and Route s Page 41 Waypoints contain ed in your 941X can be displayed in any of four ways. Press th e WAY PTS / RO U TE S function key, then the WAY PT L IS T menu key to display waypoin t lists.
Page 42 4 — Cr eating Waypoints and Routes 4 — Cre ating Wayp oints and Ro utes 4 — Cre ating Wayp oints and Ro utes 4 — Cre ating Wayp oints and Ro utes Rev.
Rev. D 4 — Creating Waypoints a nd Routes 4 — Cre ating Wayp oints and Ro utes 4 — Cre ating Wayp oints and Ro utes 4 — Cre ating Waypo ints and Route s Page 43 To update a waypoint’s coordinates, first sail to the s pot where the way- point will be loca ted.
Page 44 4 — Creating Waypoints and Routes 4 — Cre ating Wayp oints and Ro utes 4 — Cre ating Wayp oints and Ro utes 4 — Cre ating Wayp oints and Ro utes Rev.
Rev. D 4 — Creating Waypoints a nd Routes 4 — Cre ating Wayp oints and Ro utes 4 — Cre ating Wayp oints and Ro utes 4 — Cre ating Waypo ints and Route s Page 45 Press th e NE W m e n u k e y . A s c r e e n i s d i s p l a y e d a s k i n g y o u t o e n t e r t h e name of the new rout e.
Page 46 4 — Creating Waypoints and Routes 4 — Cre ating Wayp oints and Ro utes 4 — Cre ating Wayp oints and Ro utes 4 — Cre ating Wayp oints and Ro utes Rev. D To add waypoints to the route, p ress the INSE RT menu key. A list of stored wayp oints is displa yed.
Rev. D 4 — Creating Waypoints a nd Routes 4 — Cre ating Wayp oints and Ro utes 4 — Cre ating Wayp oints and Ro utes 4 — Cre ating Waypo ints and Route s Page 47 As w aypoints are entered, the dis tance and bearing o f each leg of your route are displayed on the NE W ROUTE screen.
Page 48 4 — Creating Waypoints and Routes 4 — Cre ating Wayp oints and Ro utes 4 — Cre ating Wayp oints and Ro utes 4 — Cre ating Wayp oints and Ro utes Rev. D Press th e SAVE menu key on the lower right of the display to instruct the 941X to begin saving a route a utomatically.
Rev. D 4 — Creating Waypoints a nd Routes 4 — Cre ating Wayp oints and Ro utes 4 — Cre ating Wayp oints and Ro utes 4 — Cre ating Waypo ints and Route s Page 49 As you pass the location of each new waypoint, pr ess the SAVE/MOB key to the left of the dis play (not the SAVE menu key in the lower right of the screen).
Page 50 4 — Creatin g Waypoints a nd Routes 4 — Cre ating Wayp oints and Ro utes 4 — Cre ating Wayp oints and Ro utes 4 — Cre ating Wayp oints and Ro utes Rev. D To make a change to a route stored in the 941X's memory, use the EDI T ROUTE function.
Rev. D 4 — Creating Waypoints a nd Routes 4 — Cre ating Wayp oints and Ro utes 4 — Cre ating Wayp oints and Ro utes 4 — Cre ating Wayp o ints and Rout es Page 51 To insert a new waypoint, use .
Page 52 4 — Creating Waypoi nts and Rou tes 4 — Cre ating Wayp oints and Ro utes 4 — Cre ating Wayp oints and Ro utes 4 — Cre ating Wayp oints and Ro utes Rev.
Rev. D 5 — Waypoint a nd Route Nav 5 — Waypoin t and R oute Nav 5 — Waypoin t and R oute Nav 5 — Waypoin t and R oute Nav i i i ig at io n gation gation gation Page 53 Quick-Star t Waypo int 5.
Page 54 5 — Waypoi nt an d Route Navigati on 5 — Waypoin t and Rou te Navigati on 5 — Waypoint a nd Route Navi gation 5 — Waypoin t and Rou te Navigati on Rev. D he 941X’s “Quick Waypoint” feature allows you to enter coordinates and start navigating in one quick and easy sequence.
Rev. D 5 — Waypoi nt and Rout e Navigation 5 — Waypoin t and Rou te Navigati on 5 — Waypoint a nd Route Navi gation 5 — Waypoint a nd Route Navi gation Pa ge 55 To navig ate to a waypoint alre.
Page 56 5 — Waypoi nt and Rou te Navigati on 5 — Waypoin t and Rou te Navigati on 5 — Waypoint a nd Route Navi gation 5 — Waypoin t and Rou te Navigati on Rev.
Rev. D 5 — Waypoi nt and Rout e Navigation 5 — Waypoin t and Rou te Navigati on 5 — Waypoint a nd Route Navi gation 5 — Waypoint a nd Route Navi gation Page 57 3 3 3 3 In the first steering screen ab ove, a line extends from the data box in the center of the screen to a menu key.
Page 58 5 — Waypoint an d Route Navigati on 5 — Waypoin t and Rou te Navigati on 5 — Waypoint a nd Route Navi gation 5 — Waypoin t and Rou te Navigati on Rev. D Two vertical lines near th e edge of the screen indicate th e limits of off- course distance.
Rev. D 5 — Waypoi nt and Rout e Navigation 5 — Waypoin t and Rou te Navigati on 5 — Waypoint a nd Route Navi gation 5 — Waypoint a nd Route Navi gation Page 59 To follow a route that has been stored in the 941X’s memory , press the WAY PTS / RO U TE S key, then the ROU T E LIST menu key.
Page 60 5 — Waypoint a nd Route Naviga tion 5 — Waypoin t and Rou te Navigati on 5 — Waypoint a nd Route Navi gation 5 — Waypoin t and Rou te Navigati on Rev. D changes to a connecting arro w between the two waypoints , as in screen #2 above. Press th e GO menu key, then ENT ER .
Rev. D 5 — Waypoi nt and Rout e Navigation 5 — Waypoin t and Rou te Navigati on 5 — Waypoint a nd Route Navi gation 5 — Waypoint a nd Route Naviga tion Page 61 The distan ce and bearing of each leg are displaye d near the center of the screen.
Page 62 5 — Waypoint and Route Na vigation 5 — Waypoin t and Rou te Navigati on 5 — Waypoint a nd Route Navi gation 5 — Waypoin t and Rou te Navigati on Rev. D If you do not need to return t o the original course line, you can continue directly to the w aypoint (Co urse 2) usin g the restart fun ction described below.
Rev. D 6 — Th e NAV LO G Function 6 — The NAV LOG Func tion 6 — The NAV LOG Func tion 6 — The NAV LOG Funct io n Page 63 What NAVLOG Does 64 Logging Your Trip 65 Changing Your Trip 65 Adding W.
Page 64 6 — The N A V L OG Function 6 — The NAV LOG Func tion 6 — The NAV LOG Func tion 6 — The NAV LOG Func tion Rev. D HE Norths tar 941X’s NAV L OG feature hel ps you plan and l og your trip. It contains the actual series of waypoints that you follo w along your route.
Rev. D 6 — The NavLog Fun ction 6 — The NavLog Functi on 6 — The NavLog Functi on 6 — The NavLog Function Page 65 You can re verse the trip at any time (n avigating to route w aypoints in reverse o rder) by pressin g the RE VERS E menu key. Waypoints may be added to the trip by pressing the APPE ND WAYPT menu key.
Page 66 6 — The N AV LOG Function 6 — The NAV LOG Func tion 6 — The NAV LOG Func tion 6 — The NAV LOG Func tion Rev. D Under NAV LOG , the distan ce and bearing of e ach leg are displayed. You can easily read th e direction of the next leg of your trip from th is display.
Rev. D 7 — Other Speci al Functi ons 7 — Other Special F unc tions 7 — Other Spe cial Functio ns 7 — Other Speci al Fun ctions Page 67 Alarms 68 Screen Bac klight ing 71 TideTrack™ 71 Intern.
Page 68 7 — Othe r Special Functions 7 — Other Special F unc tions 7 — Other Spe cial Functio ns 7 — Other Speci al Functi ons Rev. D everal special 941X functions ar e controlled by the STAR function key ( ). These in clude alerts and alarms , TideTrack™ function s, and setup fun ctions.
Rev. D 7 — Other Specia l Function s 7 — Other Special F unc tions 7 — Other Spe cial Functio ns 7 — Other Speci al Fun ctions Page 69 Though mos t alarm conditions are “auto clearing” af .
Page 70 7 — Other Spe cial Functio ns 7 — Other Special F unc tions 7 — Other Spe cial Functio ns 7 — Other Speci al Functi ons Rev. D When ALARM AU DIO is set to ON, the 941X will audibly alert you to any of the al arm conditions turned ON at the ALARMS & BACKLIGHT screen.
Rev. D 7 — Other Specia l Function s 7 — Other Special F unc tions 7 — Other Spe cial Functio ns 7 — Other Speci al Fun ctions Page 71 The ARRIVE RADIUS alarm sig nals you when you come w ithin a speci- fied distance of the next waypoint. You ca n specify the distance of th e radius around wa ypoints down to 0.
Page 72 7 — Other Special F unc tions 7 — Other Special F unc tions 7 — Other Spe cial Functio ns 7 — Other Speci al Functi ons Rev. D displayed for a ny date from 1994 t o 2010. Data is fr om the officia l tide table pre dictions an d should be as accurate as the printed tables.
Rev. D 7 — Other Specia l Function s 7 — Other Special F unc tions 7 — Other Spe cial Functio ns 7 — Other Speci al Fun ctions Page 73 To choos e a nearby tide station , press the CONFI G key while viewing the TIDE TRA CK screen. Press th e CHOOSE CLOSES T T IDE S TATION m e n u k e y .
Page 74 7 — Othe r Special F unctions 7 — Other Special F unc tions 7 — Other Spe cial Functio ns 7 — Other Speci al Functi ons Rev. D Use the up or down cursor arrow ke ys to point to the desired waypoin t, and press ENT ER . The 941X will search for, and pr esent, th e nine closest tide stations to this waypoint.
Rev. D 7 — Other Specia l Function s 7 — Other Special F unc tions 7 — Other Spe cial Functio ns 7 — Other Speci al Fun ctions Page 7 5 These corrections ar e used by your 941X to imp rove its p osition accura cy to 10 meters—or better—w ith 2-5 meters accuracy commonly availabl e.
Page 76 7 — Othe r Special F unctions 7 — Other Special F unc tions 7 — Other Spe cial Functio ns 7 — Other Speci al Functi ons Rev. D ual mode, the bea con receiver wi ll output DGPS cor rections only from the selected station. Though the need for manual opera tion is rare, it is easily accessed from y our 941X keypad.
Rev. D 8 — Customizing t he 941X 8 — Customizing th e 941X 8 — Customizing th e 941X 8 — Customizin g the 941X Page 77 Time of Day 78 Display Options 78 Navigation O ptions 82 Port Setup Optio.
Page 78 8 — Custom izing the 941X 8 — Customizing th e 941X 8 — Customizing th e 941X 8 — Customizing th e 941X Rev. D Press th e STA R key until yo u display the TIM E OF DAY scr een. The time, date, local time zone, and time of today’s sunrise and sunset are shown.
Rev. D 8 — Customizing t he 941X 8 — Customizing th e 941X 8 — Customizing th e 941X 8 — Customizing t h e 941X Page 79 To change any of the options (described b elow), select it by using t he cursor keys to move the arr ow at the left of the screen, and th en press the ED IT menu key.
Page 80 8 — Customizing the 941X 8 — Customizing th e 941X 8 — Customizing th e 941X 8 — Customizing th e 941X Rev. D (DISPLAY OPTI ONS) (DISPLAY OPTI ONS) (DISPLAY OPTI ONS) (DISPLAY OPTI ONS) Time of day may be displayed in either 12- or 24-hour format.
Rev. D 8 — Customizing t he 941X 8 — Customizing th e 941X 8 — Customizing th e 941X 8 — Customizing the 941X Page 81 To change the maximum saved waypoint number: 1. Move the cur sor to this op tion and pr ess the ED IT m e n u k e y . T h e cursor will begin to flash in the firs t digit field.
Page 82 8 — Customizing the 941X 8 — Customizing th e 941X 8 — Customizing th e 941X 8 — Customizing th e 941X Rev. D Press th e RE TURN menu key to return to the US E R CU STOM IZATION screen. The following options contr ol aspects of navi gation and t he use of GPS and Differential GP S.
Rev. D 8 — Customizing t he 941X 8 — Customizing th e 941X 8 — Customizing th e 941X 8 — Customizing the 941X Page 83 • GPS can be selected as the navigation source at any time. • EXTERNAL LORAN can be used if a loran receiver is interfaced to the 941X (and is operational).
Page 84 8 — Customizing the 941X 8 — Customizing th e 941X 8 — Customizing th e 941X 8 — Customizing th e 941X Rev. D Press EDI T to change the 941X’s magn etic variation setting. Use the up/down cursor keys to ch oose AUTO, MAN UAL or TRU E.
Rev. D 8 — Customizing t he 941X 8 — Customizing th e 941X 8 — Customizing th e 941X 8 — Customizing the 941X Page 85 The ARRIVE RADIU S factory default i s 0.02 naut ica l miles (ap pr ox. 12 0 ft.). To change it: 1. Press th e STA R key to display the ALARM S & BACKL IGHT screen.
Page 86 8 — Customizing the 941X 8 — Customizing th e 941X 8 — Customizing th e 941X 8 — Customizing th e 941X Rev. D The options repr esent the entire distance limit on your screen, fr om complete left to complete right.
Rev. D 8 — Customizing t he 941X 8 — Customizing th e 941X 8 — Customizing th e 941X 8 — Customizing the 941X Page 87 To change the STEER DI ST PR ECI SIO N option, press the ED IT menu key and use the up/down cursor keys to scroll a mong the choi ces of HIGH or NORM AL .
Page 88 8 — Customizing the 941X 8 — Customizing th e 941X 8 — Customizing th e 941X 8 — Customizing th e 941X Rev. D To change the speed a veraging value: 1. Move the cursor arrow in fr ont of the GP S SP EED AV ERA GIN G option and p ress the EDI T menu key.
Rev. D 8 — Customizing t he 941X 8 — Customizing th e 941X 8 — Customizing th e 941X 8 — Customizing the 941X Page 89 (RECEIVER OPTIONS) (RECEIVER OPTIONS) (RECEIVER OPTIONS) (RECEIVER OPTIONS.
Page 90 8 — Customizing the 941X 8 — Customizing th e 941X 8 — Customizing th e 941X 8 — Customizing th e 941X Rev. D A f t e r t h i s “ t i m e o u t ” p e r i o d e l a p s e s w i t h .
Rev. D 8 — Customizing t he 941X 8 — Customizing th e 941X 8 — Customizing th e 941X 8 — Customizing the 941X Page 91 Refer to “Pro gramming the Output Po rts,” on page 115, for detailed in- formation o n how to inte rface your 941 X with other equipme nt.
Page 92 8 — Customizing the 941X 8 — Customizing th e 941X 8 — Customizing th e 941X 8 — Customizing th e 941X Rev. D (SERVICE INFORM ATION) (SERVICE INFORM ATION) (SERVICE INFORM ATION) (SERVICE INFORM ATION) This number indicates the revi sion level of your 941X’s oper ating soft- ware program.
Rev. D 8 — Customizing t he 941X 8 — Customizing th e 941X 8 — Customizing th e 941X 8 — Customizing the 941X Page 93 the message FAIL ED is displayed, return the 941X to the facto ry for service.
Page 94 8 — Customizing the 941X 8 — Customizing th e 941X 8 — Customizing th e 941X 8 — Customizing th e 941X Rev. D Differe nt regions o f the world us e various mode ls for lat/lo n coordinates on their charts, called “datum.” You shou ld always be s ure that your 941X is using the same datum as your charts.
Rev. D 8 — Customizing t he 941X 8 — Customizing th e 941X 8 — Customizing th e 941X 8 — Customizing the 941X Page 95 AB4 Astro B4 Soro l Atoll ( Hawai ian Island s) INTL 114 -116 -3 33 AD71 4 Astro D os 71/4 (Atlantic I sl.
Page 96 8 — Customizing the 941X 8 — Customizing th e 941X 8 — Customizing th e 941X 8 — Customizing th e 941X Rev. D NAH_O Nahrwan—Masi rah Island (Oman) CL1880 -247 - 148 3 69 NAH_UA Nah r.
Rev. D 8 — Customizing t he 941X 8 — Customizing th e 941X 8 — Customizing th e 941X 8 — Customizing the 941X Page 97 SA69_AG Sou th A merican 1969—Argentin a SA1969 -62 -1 -3 7 SA69_BO Sou .
Page 98 8 — Customizing the 941X 8 — Customizing th e 941X 8 — Customizing th e 941X 8 — Customizing th e 941X Rev. D.
Rev. D 9 — Installati on and In terfa 9 — Installation and Interfa 9 — Installation and Interfa 9 — Installation and Interfac c c cin g ing ing ing Page 99 Mounting the 941X 100 Wiring the 941.
Page 100 9 — Instal l ation and Inter facing 9 — Installat io n and Interfac ing 9 — Inst al lation and Inter facing 9 — Installation and Interfacing Rev. D Proper installation of your Nort hstar 941X receiver is of ut most impor- tance to accurately receive a nd effectively use GPS signals under a wide variety of w eather condition s.
Rev. D 9 — 9 — 9 — 9 — Installation and Inter facing Installation and Interfac ing Installation and Inte rfacing Installation and Interfacing Page 101 The shippi ng carton conta ins the follow.
Page 102 9 — Installation and I nterfacing 9 — Installat io n and Interfac ing 9 — Inst al lation and Inter facing 9 — Installation and Interfacing Rev. D wipe the unit dry, especially the rear connector s. When not in use, cover the 941X with the sunshi eld to protect it from excessive hea t.
Rev. D 9 — 9 — 9 — 9 — Installation and Inter facing Installation and Interfac ing Installation and Inte rfacing Installation and Interfacing Page 103 We strongly recommend (a s a good safety pract ice) th at y our 941X be connected to an external circuit brea ker or fuse located nea r the battery or breaker box .
Page 104 9 — Install at ion and Interfac ing 9 — Installat io n and Interfac ing 9 — Inst al lation and Inter facing 9 — Installation and Interfacing Rev.
Rev. D 9 — 9 — 9 — 9 — Installation and Inter facing Installation and Interfac ing Installation and Inte rfacing Installation and Interfacing Page 105 O-R IN G ADAPTER ANTE NNA 3. 00 . 91 1. 82 CAPTIVE SCREW Figure 4—941X GPS -Only Antenna (AN145 & AN150) 7.
Page 106 9 — Install at ion and Interfac ing 9 — Installat io n and Interfac ing 9 — Inst al lation and Inter facing 9 — Installation and Interfacing Rev. D 1. R emove the antenna base by loosening the four cap tive screws in the base. 2. Screw the base onto the top of the antenna moun t (standard 1"- 14 marine thread) .
Rev. D 9 — 9 — 9 — 9 — Installation and Inter facing Installation and Interfac ing Installation and Inte rfacing Installation and Interfacing Pag e 107 without apprecia ble signal loss. However, the splitter is not weather proof and should be placed in a pr otected ar ea wh ere it will not be subjected to direct wat er splash or spray .
Page 108 9 — Installation and Interfacing 9 — Installat io n and Interfac ing 9 — Inst al lation and Inter facing 9 — Installation and Interfacing Rev. D 3) Place center con tact onto center co nductor so that it butts against the cable dielectric.
Rev. D 9 — 9 — 9 — 9 — Installation and Inter facing Installation and Interfac ing Installation and Inte rfacing Installation and Interfacing Page 10 9 is molded into the l ower portion, or base, of the ACU body into which the u p p e r h al f i s s e c u r e d (s e e F i gu re 9 o n p a g e 1 1 0 ) .
Page 110 9 — Installat io n and Interfacing 9 — Installat io n and Interfac ing 9 — Inst al lation and Inter facing 9 — Installation and Interfacing Rev.
Rev. D 9 — 9 — 9 — 9 — Installation and Inter facing Installation and Interfac ing Installation and Inte rfacing Installation and Interfacing Page 111 Both ends of the differential bea con receiver antenna cable terminate in UHF con nectors. Follow the assembly ins tructions in Figure 10 for pre- paring U HF connectors.
Page 112 9 — Installat ion and Interfac ing 9 — Installat io n and Interfac ing 9 — Inst al lation and Inter facing 9 — Installation and Interfacing Rev.
Rev. D 9 — 9 — 9 — 9 — Installation and Inter facing Installation and Interfac ing Installation and Inte rfacing Installation and Interfacing Page 113 The 941X has t wo pr ogra mmab le NM EA i.
Page 114 9 — Install ation and Inter fac ing 9 — Installat io n and Interfac ing 9 — Inst al lation and Inter facing 9 — Installation and Interfacing Rev.
Rev. D 9 — 9 — 9 — 9 — Installation and Inter facing Installation and Interfac ing Installation and Inte rfacing Installation and Interfacing Page 115 Figure 12—200 PPN M Output Block Diagram Each output port can be programmed to meet most any special require- ments of devices that conform to the NMEA 0183 data format specifica- tion.
Page 116 9 — Instal l ation and Interfac ing 9 — Installat io n and Interfac ing 9 — Inst al lation and Inter facing 9 — Installation and Interfacing Rev. D Check the installation instr uctions for the equip ment to wh ich you are interfacing for any special requirements .
Rev. D 9 — 9 — 9 — 9 — Installation and Inter facing Installation and Interfac ing Installation and Inte rfacing Installation and Interfacing Page 117 (NMEA) 0180 0180 0180 0180 is an infrequently-used format, developed in the late 1970’s and is required by many ol der auto pilots.
Page 118 9 — Installation and Int e rfacing 9 — Installat io n and Interfac ing 9 — Inst al lation and Inter facing 9 — Installation and Interfacing Rev.
Rev. D 9 — 9 — 9 — 9 — Installation and Inter facing Installation and Interfac ing Installation and Inte rfacing Installation and Interfacing Page 119 will be output are follow ed by the word ON. Thos e that will not be output are followed by two dashes, signifying th at they are tur ned OFF.
Page 120 9 — Installatio n and Interfac ing 9 — Installat io n and Interfac ing 9 — Inst al lation and Inter facing 9 — Installation and Interfacing Rev. D The meaning of the NM EA 0183 three-letter identifier s are: 0183 IDENT IFIER MEANIN G APB Autopilot Sentence “B” BOD Bearing to Destination BW C Bearing & Distance to W pt.
Rev. D 9 — 9 — 9 — 9 — Installation and Inter facing Installation and Interfac ing Installation and Inte rfacing Installation and Interfacing Page 121 the listener device is expecting. Check th e listener device’s instruction manual to determine which “talker ID” codes it will respond to.
Page 122 9 — Installation and Inte rfacing 9 — Installat io n and Interfac ing 9 — Inst al lation and Inter facing 9 — Installation and Interfacing Rev. D function with two-place precision. R efer to the manufa cturer’s instr uc- tions fo r how many digits of precision are required for that particular device.
Rev. D 9 — 9 — 9 — 9 — Installation and Inter facing Installation and Interfac ing Installation and Inte rfacing Installation and Interfacing Page 12 3 If you pre sently ow n a Northstar 800 s.
Page 124 9 — Installation and I nt e rfacing 9 — Installat io n and Interfac ing 9 — Inst al lation and Inter facing 9 — Installation and Interfacing Rev.
Rev. D 9 — 9 — 9 — 9 — Installation and Inter facing Installation and Interfac ing Installation and Inte rfacing Installation and Interfacing Page 125 8800 DGPS Sensor 941X Interface Connector.
Page 126 9 — Installation and I nterfacing 9 — Installat io n and Interfac ing 9 — Inst al lation and Inter facing 9 — Installation and Interfacing Rev. D Use this same EDI T pro cedure to set the baud rate to match that of the external device, if necessary.
Rev. D 9 — 9 — 9 — 9 — Installation and Inter facing Installation and Interfac ing Installation and Inte rfacing Installation and Interfacing Page 127 The COPY PORT fu nction enable s you to interface the 941X to many Personal Co mputers without the need fo r an RS-422-to-RS-232 con- verter.
Page 128 9 — Installation and Int e rfacing 9 — Installat io n and Interfac ing 9 — Inst al lation and Inter facing 9 — Installation and Interfacing Rev.
Rev. D Appendix Appendix Appen dix Appendix Page 129 A PPENDIX Northstar 941X Sp ecifi cations Position Data Position Data Position Data Position Data • Latitude/longitude (158 datums) from GPS with.
Page 130 Appendix Appendix Appen dix Appendix Rev. D Waypoint & Route Management Waypoint & Route Management Waypoint & Route Management Waypoint & Route Management • Avoidance Waypo.
Rev. D Appendix Appendix Appen dix Appendix Page 131 • Time To First Fix: 30 seconds (typical) • Dynamics: Velocity: 1800 km/h • Acceleration: 4m/sec; Jer k: 2m/sec 2 • Operating Mo des Operat.
Page 132 Appendix Appendix Appen dix Appendix Rev. D Figure 13—941X Dimensions Dimensions.
Rev. D Appendix Appendix Appen dix Appendix Page 133 Signal Pro cess ing Signal Pro cess ing Signal Pro cess ing Signal Pro cess ing • Number of Channels: 2 • Freque n cy Range: 283.
Page 134 Appendix Appendix Appen dix Appendix Rev. D • Frequ ency: 1575 MHz ±2 MHz • Finish: Outdoor Weat herable P olymer • Polarizatio n: R ight-Hand Circul ar • Weight: 22 Ounces • Axial Rati on 3 dB M ax. • Altitude: 12,000 Feet • Nois e Figure: 2.
Rev. D Glossary Glossary Glossary Glossary Page 135 GLOSS A RY accuracy accuracy accuracy accuracy: absolute accuracy —the ac curac y of displa yed la t/long c oordi- nates of your pres en t position as compared to l at/long determined from a cha rt or oth er reference sour ce.
Page 136 Glossary Glossary Glossary Glossary Rev. D ETA ETA ETA ETA: Estimated Time of Arrival a t the next waypoint, as calcula ted by the 941X according to your present speed of advance (SOA) and distance to the waypoint.
Rev. D Glossary Glossary Glossary Glossary Page 137 tion an d uses it to display bearings as magnetic north. The varia- tion at any location ch anges slowly over a period of yea rs, and the 941X compensates, according to the current calendar year.
Page 138 Index Index Index Index Rev. D INDEX INDEX INDEX INDEX A absol ute accur acy......................................................... See accuracy, absolute ACCURACY repeatable .................................................................
Rev. D In dex Index Index Index Page 139 COG .................................................................................................22, 23, 104 contra st .......................................................................................
Page 140 Index Index Index Index Rev. D checking status ............................................................ 32, 34 comparin g to Lor an ......................................................... 5, 7 conv erting co ordin ates from Lor an TDs .
Rev. D In dex Index Index Index Page 141 LORAN absolu te accur acy ............................................................... 8 comparin g to GPS............................................................... 5 conv erting TD s to lat/lon .......
Page 142 Index Index Index Index Rev. D ove rview............................................................................ 90 programming the ports ............................................. 115, 125 RS-232 port .................................
Rev. D In dex Index Index Index P age 143 SOG ........................................................................................................ 22, 23 STAR key ..................................................................... 5, 1 6, 30, 33 , 68, 76 , 82 STEER key .
Page 144 Index Index Index Index Rev. D removi ng from a r oute ....................................................... 51 save d as you trave l ......................................................42, 49 savin g as par t of a ro ute.................
デバイスNorthStar Navigation 941Xの購入後に（又は購入する前であっても）重要なポイントは、説明書をよく読むことです。その単純な理由はいくつかあります：
NorthStar Navigation 941Xをまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはNorthStar Navigation 941Xの技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。NorthStar Navigation 941Xの取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。NorthStar Navigation 941Xで得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
NorthStar Navigation 941Xを既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はNorthStar Navigation 941Xの不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、NorthStar Navigation 941Xに関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちNorthStar Navigation 941Xデバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。
