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First-Time GPS Users

...........................

Navigation, 1; Latitude/Longitude, 1

;

Using Position Fixes,

2; Navigating with Waypoints, 3; Setting a Route, 5;
Navigating with a Route, 5; Entering a Waypoint, 6; UTM

Coordinates, 6; Applications, 8.

General Usage

........................... 9

Power, 9; The Antenna, 10; Initialization, 11; Setup, 13;
The Auxiliary Functions, 17; Map Reading, 19.

Tutorial

................................... 22

Waypoints, 23; Routes, 24; Reading the Pointer Display,
26; Direct-To, 26; Backtrack, 28; MOB, 28; Entering UTM

Coordinates, 29.

Global Positioning System

....... 30

What is GPS?, 30; How Does GPS Work?, 30; Accuracy,

31; More Information, 31.

Specifications

.......................... 32

Technical Notes, 32; Packing List, 33; Optional Accesso-

ries, 33.

Troubleshooting

...................... 34

What to do when you're having problems.

Содержание Trailblazer

Страница 1: ...Magellan GPS Satellite Navigator Reference Guide...

Страница 2: ...the Magellan GPS receiver the Field Guide is tough and ready to go where ever your adventures take you Printed on waterproof paper its purpose is to explain how to operate the receiver in any weather...

Страница 3: ...tenna 10 Initialization 11 Setup 13 The Auxiliary Functions 17 Map Reading 19 Tutorial 22 Waypoints 23 Routes 24 Reading the Pointer Display 26 Direct To 26 Backtrack 28 MOB 28 Entering UTM Coordinate...

Страница 4: ...s can be affected by the periodic adjustments to GPS satellites made by the U S Government and is subject to change in accordance with the Department of Defense civil GPS user policy and the Federal R...

Страница 5: ...lly with a GPS receiver even at sites that do not permit leaving physical marks such as on a lake You can mark a path even in featureless terrain by making electronic blazes called waypoints and stori...

Страница 6: ...s to one minute written as 60 So a Lat Lon position coordinate can be expressed in two ways which your Magellan GPS receiver displays as 25 47 50 or 25 47 30 The Magellan GPS receiver can also display...

Страница 7: ...inlet where you tie up your skiff and save another position fix as waypoint INLET The position fixes that are saved as waypoints CAMP DOCK BUOY and INLET can be used as electronic markers to record w...

Страница 8: ...s on a flat surface When projected back to the globe it is apparent that the rhumb line measurement is both less direct and longer than the great circle measurement though the difference between the t...

Страница 9: ...r units called legs Navigating with a Route To be sure that you avoid shallow or rocky areas you must stay on course Any time you stray from the courseline of the current leg the Magellan GPS receiver...

Страница 10: ...necessary to visit a place for its coordinates to be in the receiver s memory You can obtain coordinates from a friend or pick them up from a map and key them into the receiver as a waypoint Please re...

Страница 11: ...into a zone a position is in meters Eastings are an east west measurement and correspond roughly to longitude Northings are a north south measurement and corre spond to latitude This chart shows Magel...

Страница 12: ...mportant landmarks as waypoints You will then be able to reach any of these waypoints or return to base even before dawn or in poor weather Fishing salt or fresh water save your favorite fishing spots...

Страница 13: ...up to 30 minutes if alkaline batteries are being used When the batteries no longer hold enough power to operate the receiver the receiver turns itself off The batteries will still be able to maintain...

Страница 14: ...order to provide the best signal reception possible the antenna must be vertical If attached to the receiver rotate the antenna from its storage position to the upright position If detached from the...

Страница 15: ...the initial position time and date Once they have been entered the receiver will check its internal almanac to determine which satellites are likely to be visible at its location An almanac is a sche...

Страница 16: ...igit of your latitude Data entry is described in more detail in Tutorial Press the RIGHT ARROW to move the cursor to the next digit and repeat If necessary change the displayed hemisphere N or S by mo...

Страница 17: ...ER The date can also be displayed as month day year that format is selected in SETUP SETUP Much of the information the receiver displays can be changed to suit your specific needs All customizing is d...

Страница 18: ...are using a map or chart without any other navigational aids 3 Press ENTER to return to the SETUP menu Time Display The receiver stores time as UT but can also display time in the local clock by comp...

Страница 19: ...hich datum was used to create your map try the procedure above or use the datum the describes the area you are in For example use NAD27 if you are in North America When in doubt use WGS84 Datum Full N...

Страница 20: ...accurate position fixes 1 From the SETUP menu highlight ELEV MODE and press ENTER 2 Press the UP DOWN ARROW to select the desired operating mode 3 Press ENTER to return to the SETUP menu 4 Press the...

Страница 21: ...as often as navigation or position To access an AUX function 1 Press AUX SETUP then the RIGHT ARROW 2 The receiver displays the AUX menu Press the UP DOWN ARROW to select the desired option then pres...

Страница 22: ...time If the receiver is being carried in a pack or the carrying case always be sure the keys face a hard surface that is unlikely to press against the keys in this manner the Field Guide should be ad...

Страница 23: ...n low dynamic environments where immediate changes in COG aor SOG are relatively unimportant such as hiking MAP READING Knowing how to read maps and charts will allow you to locate the position coordi...

Страница 24: ...20...

Страница 25: ...1 BLACK NUMBERED LINES PROJECTION TRANSVERSE MERCATOR VERTICAL DATUM NATIONAL GEODETIC VERTICAL DATUM OF 1929 HORIZONTAL DATUM 1927 NORTH AMERICAN DATUM CONTROL BY USGS NOS NOAA AND USCE PRINTED BY DE...

Страница 26: ...set a Direct To route set an MOB route lt is easiest to use this tutorial if the receiver has no waypoints or route in memory The receiver should be initialized or have obtained a position fix If you...

Страница 27: ...D to G Press the center key 0 to insert a blank space A blank is available only when entering waypoint names lt cannot be used when entering coordinates You will use these arrows to enter data such as...

Страница 28: ...s VNCOUV and press ENTER The cursor moves into the coordinates If you like you can change any of the displayed values now by using the arrows Press ENTER to move the cursor from line to line In fact s...

Страница 29: ...n the TO field the receiver shows bearing and distance from the FROM waypoint to the displayed waypoint lf the waypoints were entered correctly above bearing and distance from waypoint SEATTL to waypo...

Страница 30: ...s both a compass and a direction indicator that will graphically point you toward your destination The example on the following page illustrates how to use this display when navigating on a route DIRE...

Страница 31: ...27...

Страница 32: ...are ready to return to camp choose BACKTRACK from the Route menu The receiver will create a multi leg route that retraces your path from the present position to the oldest position fix in the buffer...

Страница 33: ...destination will be jumpy ENTERING UTM COORDINATES You may occasionally have to enter waypoints using UTM coordinates Maybe someone will give them to you or the only available map of the area you are...

Страница 34: ...d Positioning Service SPS code All commercial and consumer GPS receivers are SPS receivers HOW DOES GPS WORK Each GPS satellite transmits its precise location position and elevation and the start time...

Страница 35: ...vier call Magellan at 909 394 5000 and ask for Customer Service General information on the Global Positioning System and satellite status is available from the Civil GPS Information Center GPSIC in Vi...

Страница 36: ...ating Characteristics Accuracy position 1 2 meters RMS in 3D Operation without SA velocity 0 5 meters second RMS Speed limit up to 951 miles per hour 1 530 kilometers per hour Elevation limit 57 414 f...

Страница 37: ...Cable and the Antenna Suc tion Cup Mount The Extension Cable and Suction Cup Mount are required to operate with the quadrifilar an tenna detached Do not alter the length of the antenna extension cable...

Страница 38: ...power the receiver may not have been hooked up correctly or the external power source is not operating Check the connec tions and be sure the external power source is operating correctly position fix...

Страница 39: ...changes in the position coordinates and elevation are normal They are caused by several variables including the geometric quality of the fix and the effects of SA Geometric quality is a measurement o...

Страница 40: ...mechanical including photocopying and recording for any purpose other than the purchaser s personal use without the written permission of Magellan Systems Corporation 1994 by Magellan Systems Corpora...

Страница 41: ...960 Overland Court San Dimas CA 91773 909 394 5000 22 60005 012...

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