NorthStar 941X Bedienungsanleitung

Northstar 941X

Reference Manual

SOFTWARE VERSION 2.05

30 SUDBURY ROAD

ACTON, MASSACHUSETTS 01720

(508) 897-6600

WARRANTY

Northstar Technologies, a Division of CMC Electronics, Inc., warrantees its products

to be free from defects in material and workmanship for a period of two (2) years

from the date of shipment to an authorized dealer. This warranty applies to the

original purchaser or subsequent owner.

This warranty covers repair and/or replacement, at our option, of any part or parts

found tobe defective, provided such defects in our opinion are due to faulty material

or workmanship and are not caused by tampering, abuse, or normalwear.

All warranties are F.O.B.: Northstar Technologies

30 Sudbury Road

Acton, Massachusetts 01720

This warranty applies only to products in normal use. It does not apply to units or

circuit boards defective due to improper installation, physical damage, tampering,

lightning or other electrical discharge, receivers or mainframes subjected to fresh

water or saltwater immersion*, units with altered serial numbers, or units repaired

by unauthorized persons or in violation of Northstar service procedures.

The foregoing are the only warranties expressed or implied. No other warranty

exists.

Northstar assumes no responsibility for any consequential losses or damages of any

nature with respect to any products or services sold, rendered, or delivered.

*Certain Northstar control heads are warranty protected against damage due to

water leakage, provided the head has not been tampered with.

IMPORTANT NOTICE

Although Northstar products are designed to be very useful navigation tools, they

are not substitutesfor good seamanship. The prudent navigator should never rely on

any single device as the sole source of navigation guidance. Exercise caution and

good judgment whenever underway.

CONTENTS

ONTENTSONTENTS

ONTENTS !

The Northstar 941X

The Northstar 941XThe Northstar 941X

The Northstar 941X

Introduction .................................................................2

Upon First Start-up ......................................................2

Using This Manual........................................................3

941X Features...............................................................4

941X Functions.............................................................5

Comparing GPS and Loran ..........................................5

Mounting Basics ...........................................................9

Special Functions..........................................................9

The Display Screen.....................................................10

Interfacing Capability..................................................11

Using the Controls

Using the ControlsUsing the Controls

Using the Controls

POWER Key................................................................ 14

CONTRAST Key.......................................................... 14

SAVE/MOB Key...........................................................15

Function Keys............................................................. 16

Menu Keys....................................................................17

Cursor Keys..................................................................17

Keypad .........................................................................17

Special Display Windows ...........................................18

Basic Navigation

Basic NavigationBasic Navigation

Basic Navigation

Displaying Position, Heading & Speed ......................22

Position Plotter...........................................................22

Using GPS...................................................................25

Using DGPS ................................................................26

Using Loran ................................................................30

Using Phantom Loran ................................................32

Creating Waypoints and

Creating Waypoints andCreating Waypoints and

Creating Waypoints and

Routes

RoutesRoutes

Routes

Entering Data..............................................................36

Creating Waypoints....................................................37

Avoidance Areas .........................................................39

Waypoint Lists............................................................ 41

Coordinate Options ....................................................42

Updating Waypoint Coordinates ...............................42

Editing Waypoints......................................................43

Transferring Waypoints to a PC.................................44

Creating Routes ..........................................................44

Saving a Route ............................................................47

Changing a Route........................................................50

Waypoint & Route Navig

Waypoint & Route NavigWaypoint & Route Navig

Waypoint & Route Naviga

ation

tiontion

tion

Quick-Start Waypoint.................................................54

Navigating to Waypoints............................................55

Navigating Along Routes............................................59

Restarting the Course Line......................................... 61

The NAV LOG Function

The NAV LOG FunctionThe NAV LOG Function

The NAV LOG Function

What NAVLOG Does..................................................64

Logging Your Trip.......................................................65

Changing Your Trip ....................................................65

Adding Waypoints to the Trip....................................66

Other Special Functions

Other Special FunctionsOther Special Functions

Other Special Functions

Alarms.........................................................................68

Screen Backlighting.....................................................71

TideTrack™..................................................................71

Internal Differential Beacon Receiver .......................74

Customizing the 941X

Customizing the 941XCustomizing the 941X

Customizing the 941X

Time of Day.................................................................78

Display Options ..........................................................78

Navigation Options.....................................................82

Receiver Options.........................................................87

Port Setup Options .....................................................90

Service Options........................................................... 91

Geodetic Datum..........................................................94

Installation and Interfacing

Installation and InterfacingInstallation and Interfacing

Installation and Interfacing

Mounting the 941X...................................................100

Wiring the 941X System...........................................102

Antenna Location .....................................................104

DGPS Antenna Coupler (ACU).................................108

Interfacing the 941X..................................................112

Programming the Output Ports ................................115

Appendix

AppendixAppendix

Appendix (Specifications) ........................................ 129

Glossary

GlossaryGlossary

Glossary..................................................................... 135

Index

IndexIndex

Index .........................................................................138

Figures

FiguresFigures

Figures

FIGURE 1—MAX. POSITION VARIANCES WITH UNCORRECTED GPS....8

FIGURE 2—YOKE MOUNT DRILLING DIMENSIONS...........................102

FIGURE 3—REAR CONNECTORS ......................................................103

FIGURE 4—941X GPS-ONLY ANTENNA (AN145 & AN150)..........105

FIGURE 5—941X COMBO GPS/DGPS ANTENNA (AN190).............105

FIGURE 6—STRIPPING THE COAX CABLE JACKET............................107

FIGURE 7—FLARED CABLE BRAID ..................................................108

FIGURE 8—COMPLETED BNC CONNECTOR ....................................108

FIGURE 9—ACU ASSEMBLY...........................................................110

FIGURE 10—PL 259 (UHF) CONNECTOR........................................111

FIGURE 11—INTERFACE CONNECTOR (MATING SIDE)......................113

FIGURE 12—200 PPNM OUTPUT BLOCK DIAGRAM........................115

FIGURE 13—941X DIMENSIONS ......................................................132

Tables

TablesTables

TablesTABLE 1—DATUM LIST.....................................................................97

TABLE 2—INTERFACE CONNECTOR PINS ........................................114

TABLE 3—PORT SETUP OPTIONS.....................................................116

TABLE 4—NMEA 0183 SENTENCE IDENTIFIERS.............................120

TABLE 5—CONNECTION TO NORTHSTAR 800 PORT A.....................123

TABLE 6—CONNECTION TO NORTHSTAR 800 PORT B.....................123

TABLE 7—NORTHSTAR 800 SERIES OUTPUT PORT SETUP...............123

TABLE 8—YEOMAN ELECTRONIC PLOTTER SETUP WITH 941X.......124

TABLE 9—CONNECTING TO EXTERNAL NS BEACON RECEIVER......125

Rev. D 1 — Introduction

1 — Introduction1 — Introduction

1 — Introduction Page 1

Introduction 2

Upon First Start-up 2

Using This Manual 3

Features 4

Functions 5

Comparing GPS and Loran 5

Mounting 9

Special Functions 9

The Display Screen 10

Interfacing Capability 11

his section introduces you to the Northstar 941X navi-

gator, outlining its various operational functions, in-

stallation configurations, and specifications.

Use this section to get a quick overview of what the 941X is

all about, and how you can use it to your best advantage.

Introducing the Northstar 941X

Page 2 1 — Introduction

1 — Introduction1 — Introduction

1 — Introduction Rev. D

HE NORTHSTAR 941X combines 12-channel GPS navigation with

Differential GPS capability, a high-definition display, loran compati-

bility, built-in tide data up to the year 2010, and many other navigation

features.

For the ultimate in GPS accuracy, the 941X may be purchased as the

941XD, featuring an internal DGPS (Differential GPS) receiver. This ad-

vanced system gives you even greater accuracy by accepting Differential

GPS signal “corrections” from shore-based transmitters (called “bea-

cons”), and using them to display position fixes as accurate as 2-5 me-

ters. You can also connect your 941X to any external source of DGPS

corrections meeting the SC-104 standard (such as the Northstar 8800

DGPS Sensor).

When you turn your 941X on for the very first time, you may be greeted

with a flashing exclamation point symbol in the lower right portionof the

GPS POSITION screen, and the word ACQUIRE or SKY SEARCH in

the status box at the top. The flashing exclamation point simply means

that an alarm message is present and waiting for your acknowledgment.

To see the message, press the STAR key once. The ALARMS AND

BACKLIGHT screen will be displayed.

Introduction T

Upon First

Start-up

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