Garmin 45XL User Manual

Owner’s

Manual

Reference

GPS4 5 X L

Personal Navigator

1200 E. 151st Street, Olathe, KS USA 66062 GARMIN (Europe) LTD

Unit 5, The Quadrangle, Abbey Park Industrial Estate, Romsey, U.K. SO51 9AQ

All rights reserved. No part of this manual may be reproduced or transmitted in any form or by any means, electronic or manual, including photocopying and recording, for any purpose without the express written permission of GARMIN.

Information in this document is subject to change without notice. GARMIN reserves the right to change or improve its products and to make changes in the content without obligation to notify any person or organization of such changes or improvements.

GARMIN, GPS 45XL, Personal Navigator, AutoLocate™,TracBack™, and MultiTrac8™ are all trademarks of GARMIN Corporation and may not be used without the expressed permission of GARMIN.

October 1996 Part #190-00123-00 Rev. C Printed in Taiwan.

Introduction

GPS 45XL

Preface

Personal Navigator

OWNER’S MANUAL

Welcome to the smallest, easiest-to-use GPS navigator for marine use! The GPS 45XL represents GARMIN’s continuing commitment to provide mariners or boaters with quality navigation information in a versatile, accurate and user-friendly design you’ll enjoy for years to come. To get the most from your new GPS unit, it is important that you take the time to read through the owner’s manual to understand the operating features of the GPS 45XL. The manual is organized into three sections for your convenience:

Section One takes you through step-by-step instructions to initialize the receiver for first time use.

Section Two introduces you to the basic features of the unit and provides a quick-start orientation to the GPS 45XL. This section has been designed to acquaint you with the unit and provide a basic working knowledge necessary to use the unit in typical conditions.

Section Three provides a detailed reference to the advanced features and operations of the GPS 45XL in a topical format. This allows you to concentrate on a specific topic quickly, without reading through entire sections of text that you may not need.

Packing List

Before getting started with your GPS receiver, check to see that your GARMIN GPS 45XL package includes the following items. If you are missing any parts, please contact your dealer immediately.

Standard Package:

• GPS 45XL Unit • Lanyard

• Owner’s Manual • Quick Reference Card

• 4 AA Batteries • Carrying Case

Thanks for choosing the GARMINGPS 45XL. We hope it will help you meet all of your marine navigation needs.

Introduction

Cautions

CAUTION

The GPS system is operated by the government of the United States, which is solely responsible for its accuracy and maintenance. The system is subject to changes which could affect the accuracy and performance of all GPS equipment. Although the GPS 45XL is a precision electronic NAVigation AID (NAVAID), any NAVAID can be misused or misinterpreted and therefore, become unsafe.

Use the GPS 45XL at your own risk. To reduce the risk of unsafe operation, carefully review and understand all aspects of this Owner’s Manual and thoroughly practice operation using the simulator mode prior to actual use. When in actual use, carefully compare indications from the GPS 45XL to all available navigation sources including the information from other NAVAIDs, visual sightings, charts, etc. For safety, always resolve any discrepancies before continuing navigation.

NOTE: This device meets requirements for Part 15 of the FCC interference limits for Class B digital devices for home or office use. It has been tested for compliance with all necessary FCC standards. This equipment generates, uses, and can radiate radio frequency energy, and if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to other equipment, which can be determined by turning the equipment off and on, the user is encouraged to try and correct the interference by relocating the equipment or connecting the equipment to a different circuit than the affected equipment. Consult an authorized dealer or other qualified service technician for additional help if these remedies do not correct the problem. Operation is subject to the following conditions: (1) This device cannot cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. The GPS 45XL does not contain any user-serviceable parts. Repairs should only be made by an authorized GARMIN service center. Unauthorized repairs or modifications could void your warranty and your authority to operate this device under Part 15 regulations.

Introduction

Table of

Contents

SECTION ONE Introduction

GPS Definitions/Navigation Basics . . . . . . . . . . . . . . . . . . . . . . . . . . .2-4

Initializing the Receiver/External & DGPS Antennas . . . . . . . . . . . . .5-8

SECTION TWO Getting Started

Power On/Satellite Status Page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

Sky View/Position Page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

Marking a Position . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

Position and Moving Map Basics . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

GOTO and Steering Guidance . . . . . . . . . . . . . . . . . . . . . . . . . . .13-14

Page Sequence and Menu Page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

Clearing the Track Log/Power Off . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

SECTION THREE Reference

Satellite Status Page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17-19

Position Page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20

Creating and Using Waypoints . . . . . . . . . . . . . . . . . . . . . . . . . . .21-27

GOTO and MOB Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28

TracBack Navigation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29-30

Creating and Using Routes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31-36

Compass and Highway Page Steering Guidance . . . . . . . . . . . . . . .37-39

Moving Map Plotting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40-43

Menu Page and Auxiliary Functions . . . . . . . . . . . . . . . . . . . . . . .44-52

Simulator Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53

Appendix A—Messages/Time Offsets . . . . . . . . . . . . . . . . . . . . . . .54-55

Appendix B—Map Datums . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56-57

Appendix C—Specifications, Wiring, & Battery Replacement . . . . .58-59

Appendix D—Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60

Appendix E—Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .61-62

Introduction

GPS

Definitions

The GPS 45XL is a powerful navigation tool that can guide you anywhere in the world. To better understand its operation and capabilities, it may be helpful to review the basic terms and concepts briefly explained below.

Other navigation and GPS definitions used in the manual are defined in the appropriate reference sections of the manual.

Almanac Data

Satellite constellation information (including location and health of satellites) that is transmitted to your receiver from every GPS satellite. Almanac data must be acquired before GPS navigation can begin.

Bearing

The compass direction from your position to a destination.

Course Made Good (CMG)

The bearing from the ‘active from’ position (your starting point) to your present position.

Crosstrack Error (XTE)

The distance you are off a desired course in either direction.

Desired Track (DTK)

The compass course between the ‘from’ and ‘to’ waypoints.

Differential GPS (DGPS)

An extension of the GPS system that uses land-based radio beacons to transmit position corrections to GPS receivers.

Estimated Time of Arrival (ETA)

The time of day of your arrival at a destination.

Estimated Time Enroute (ETE)

The time left to your destination at your present speed.

Introduction

GPS

Definitions

Grid

Coordinate system that projects the earth on a flat surface, using square zones for position measurements. UTM/UPS and Maidenhead formats are grid systems.

Ground Speed

The velocity you are traveling relative to a ground position.

Latitude

The north/south measurement of position perpendicular to the earth’s

polar axis.

Longitude

An east/west measurement of position in relation to the Prime Meridian,

an imaginary circle that passes through the north and south poles.

Navigation

The process of travelling from one place to another and knowing where

you are in relation to your desired course.

Position

An exact, unique location based on a geographic coordinate system.

Track (TRK)

The direction of movement relative to a ground position.

Universal Transverse Mercator (UTM)

A grid coordinate system that projects global sections onto a flat surface to

measure position in specific zones.

Velocity Made Good (VMG)

The speed you are traveling in the direction of the destination.

Waypoint

A specific location saved in the receiver’s memory.

Getting Started

Navigation

Basics

The GPS 45XL provides steering guidance and navigation information using degrees, a measurement measured in a clockwise direction from a north reference. North is described as 000º, east as 090º, south as 180º, and west as 270º. The diagram and compass rose below provide a graphic illustration of the navigation terms used by the GPS 45XL. More information on basic navigation and GPS are available at your local library or bookstore.

Getting Started with your GPS

Welcome to the exciting world of GARMINGPS! The GPS 45XL represents GARMIN’s continuing commitment to provide marine users with quality navigation information in a versatile, user-friendly design they will enjoy for years to come. To get the most out of your GPS receiver, be sure to read through the initialization and Getting-Started sections of this manual, and refer to the reference section for complete details on the GPS 45XL’s advanced features.

Initializing Your GPS for First-Time Use

The GPS 45XL calculates your position and movement by tracking signals sent from GPS satellites. Each of the 24 GPS satellites circle the earth twice a day in a very precise orbit, and transmit information back to earth. In order to determine a position fix, your GPS 45XL needs to continuously “see” at least three satellites.

Because a GPS receiver can only see satellites above the horizon, it needs to know what satellites to look for at any given time. By using an almanac (a timetable of satellite numbers and their orbits) stored in the receiver’s memory, the GPS 45XL can determine the distance and position of any GPS satellite.

To use this almanac data, your GPS receiver needs to know where you are, or be given the opportunity to “find itself”. Once you initialize the unit to this position, the GPS 45XL will usually compute a fix within a few minutes.

Remember, this process is only necessary under the following conditions:

• First time use from the factory.

• The receiver has been moved over 500 miles from the last calculated position with power off.

• The receiver’s memory has been cleared and all stored data has been lost.

Getting Started

Initialization

Lanyard

Attachment

Lanyard Attachment

To attach the GPS 45XL’s lanyard, thread the strap t h rough the D-ring on

the battery compartment

cover.

Next, take the solid end of the lanyard , insert it through the slot at the other end, and tighten.

Getting Started

Acquiring

Satellites

Hold the receiver parallel to the ground and rotate the antenna perpendicular to the receiver.

Acquiring Satellite Signals

Because the GPS 45XL relies on satellite signals to provide you with navigation guidance, the receiver needs to have an unobstructed, clear view of the sky for best performance. What exactly does this mean? In a nutshell, the GPS receiver’s view of the sky will generally determine how fast you get a position fix, or if you get a fix at all. GPS signals are relatively weak and do not travel through rocks, buildings, people, metal, and materials such as thick canvas, so you need to make sure that you’re not near any of these structures or materials when acquiring satellites.

Once the GPS 45XL has calculated a position fix, you’ll usually have anywhere from four to eight satellites in view. The GPS 45XL will now continuously select the best satellites in view to update your position. If some of the satellites in view get blocked or “shaded” the receiver can simply use an alternate satellite to maintain the position fix. Although a GPS receiver needs four satellites to provide a 3D fix, the GPS 45XL can maintain a 2D fix with only three satellites.

Before You Initialize

Take the GPS 45XL outside and find a large, open area (try a nearby park) that has a clear view of the sky from horizon to horizon. Hold the receiver at a comfortable height, at arm’s length from your body, with the external antenna turned perpendicular to the ground.

Welcome Page

GPS signals are blocked from reaching the receiver

by buildings, rocks, metal structures, or materials such

as heavy canvas. Do your best to stay away from these structures and materials.

To turn the GPS 45XL on:

1. Hold the unit so it is parallel to the ground and turn the external antenna perpendicular to the unit.

2. Press and hold Buntil the receiver turns on.

The welcome page will be displayed while the unit con-

ducts a self test.

Once testing is complete, the welcome page will be replaced by the status page, with the EZinit prompt ready for you to select one of two initialization methods:

•Select Country––allows you to initialize the receiver by selecting your present position from a list of countries in the GPS 45XL’s internal database. This usually provides a position fix in 3-5 minutes.

•AutoLocateTM––allows the GPS 45XL to initialize itself and calculate a position fix without knowing your present position. This usually provides a position fix in 7.5-15 minutes.

If the EZinit prompt has not automatically appeared on the status page:

1. Press the Ekey.

If you’ve already initialized the GPS 45XL and the EZinit prompt appears, highlight the ‘no re-init’ selection with the arrow keypad and press ENTER. The EZinit prompt may appear if you’ve had the unit on in normal mode while indoors, or if the antenna is shaded while acquiring satellites in normal or battery saver mode.

To initialize the receiver:

1. If the ‘country’ option is not highlighted, press theDkey repeatedly to move the field highlight to the ‘country’ option.

Getting Started

Powering Up

The EZinit prompt will automatically appear if the receiver needs to be initialized. The prompt may also appear during normal use if the antenna is shaded or the unit is indoors.

2. Press the Ekey.

3. Use theDkey to scroll through the list options until the country of your present position appears.

4. Use theU key to highlight the country/state/region you’re in. If the country you’re in is not listed, select another country within 500 miles of your present position.

5. Press Eto finish.

The GPS 45XL will now begin searching for the appropriate satellites for your position and should acquire a fix within 3-5 minutes. You can verify that you have acquired a fix by watching the status page transition to the position page (provided you haven’t pressed any other buttons) or looking for a 2D or 3DNAV status at the top left corner of the status page.

Use the arrow keypad to highlight the country and

region or state (if necessary) of your present position from the list and press ENTER. If the country is

not listed, select the closest

country instead.

Getting Started

EZinit,

External &

DGPS Antennas

Beacon Receiver

The GARMIN GBR 21 Beacon Receiver is the recommended DPGS receiver for use with the GPS 45XL.

Other RTCM 104 v. 2.0 receivers are compatible with the GPS 45XL, but may not provide complete on-screen status or tuning control.

To prevent accidental battery power loss, the GPS 45XL will automatically shut off 10 minutes after the last keystroke if the unit is not tracking at least one satellite and has never acquired a position fix.

If you have trouble initializing the receiver or getting a position fix, check the following:

• Does the receiver have a clear view of the sky?

If there are large buildings, rocks, or mountains, if there

is heavy tree cover, the receiver may not be receiving

enough satellite signals to calculate a fix.

• Have you selected the right country/state/region from the EZinit list?

Check for the correct approximate lat/lon on the position page or reselect the appropriate country from the list to restart the initialization.

• Have you moved more than 500 miles from the last calculated position with the receiver off?

Reinitialize the receiver, selecting the country/state/ region of your new location from the EZinit list.

External Antenna

The GPS 45XL’s antenna may be removed to attach an

optional external antenna or automobile antenna.

To remove the attached antenna:

1. Rotate the knurled knob (located at the bottom left of the antenna) toward the front of the unit one-quarter turn.

2. Pull the antenna gently away from the unit.

3. To install the antenna lead, mate the BNC connector notches with the mounting posts and turn the knurled knob one-quarter turn toward the back of the unit.

Getting Started

Getting-Started Tour

Now that your GPS receiver has been initialized, it’s time to take a tour through its basic features and functions. The tour assumes that you have initialized the receiver and have not changed any of the factory settings (units of measure, selectable fields, etc.). If you have changed any of the default settings, the pictures and descriptions may not match your unit’s configuration.

Powering Up and Taking a Fix

Take the GPS 45XL outside and find an open area where the receiver will have a clear view of the sky. Hold the receiver at a comfortable height, at arm’s length from your body, with the external antenna turned perpendicular to the receiver.

To turn the unit on:

1. Press and hold Buntil the receiver turns on.

A welcome page will be displayed while the unit conducts a self test. Once testing is complete, the welcome page will be replaced by the satellite status page and the GPS 45XL will begin acquiring satellites.

Satellite Status Page

The GPS 45XL’s satellite status page provides a visual reference of satellite acquisition and position. As the receiver locks onto satellites, a signal strength bar will appear for each satellite in view, with the appropriate satellite number (1-32) underneath each bar. The progress of satellite acquisition is shown in three stages:

• No signal strength bars— the GPS 45XL is looking for the satellites indicated.

• Hollow signal strength bars— the GPS 45XL has found the satellite(s) and is collecting data.

• Solid signal strength bars— the GPS 45XL has collected the necessary data and the satellite(s) is ready for use.

Note that each satellite has a 30-second data transmission that must be collected (hollow bar status) before the satellite may be used for navigation (solid bar status). Once a fix has been calculated, the GPS 45XL will then update your position, track and speed by selecting and using the best satellites in view.

Power On/

Satellite Status

Welcome Page

Status Page

The signal strength bars at the bottom of the page will not appear until the GPS 45XL has found the satellites indicated at the bottom of the screen.

Getting Started

Sky View/

Position Page

Status

Horizontal Accuracy

Once satellites have been found, hollow signal strength bars will be displayed while data is being collected. The hollow bars can be used to help determine if satellites are being shaded.

Battery

Indicator

Satellite Number

Satellite

Sky View

Signal Strength

Indicators

The satellite sky view shows a bird’s-eye view of the position of each satellite relative to the unit’s last known position. The outer circle represents the horizon (north up); the inner circle 45º above the horizon; and the center point directly overhead. You can use the sky view to help determine if any satellites are being blocked, and whether you have a current position fix (indicated by a ‘2D NAV’ or ‘3D NAV’ in the status field.

Once sufficient signals have been acquired, the status page will be replaced with the position page, provided you have not pressed any other buttons.

Position Page

The second page in the GPS 45XL’s main page sequence is the position page. The position page shows you where you are, what direction you’re heading and how fast you’re going, and is particularly helpful when you do not have an active destination selected. The graphic display at the top of the page indicates your cardinal heading (while you’re moving) with the track and speed indicated below.

Position Page

In addition to displaying your position coord i n a t e s , the posit ion page shows your track and speed over the ground. Speed and altitude data may fluctuate due to Selective Availability.

The graphic compass display is designed to show

your current track and does not serve as a true

magnetic compass while you’re standing still.

The rest of the page shows your current position in three dimensions: latitude, longitude and altitude. The GPS 45XL uses this basic information to mark exact positions as waypoints, which help guide you from one place to another. A trip odometer and 12/24 hour clock are also provided.

Getting Started

Marking a Position

Now that you’ve acquired a position, let’s mark it as a

waypoint for future reference.

1. Press the Mkey to capture and hold your position.

To mark a position, you must have obtained a 2D or

3D fix, or have the receiver in simulator mode. If you try to mark a position without a position fix, you will be alerted with a ‘No GPS Position’ message.

The mark position page will appear, showing the captured position and a default 3-digit waypoint name. Let’s change the default name to something a little more meaningful, like ‘HOME’.

1. Press theUkey twice to move the field highlight from the ‘save’ field to the name field.

2. Press Eand Lto clear the default waypoint name.

3. Press and hold theUkey to scroll through the alphabet until the letter ‘H’ appears.

4. Press the Rkey once to move the character highlight to the next character space.

Marking a

Position

To save a waypoint with the default three digit name, simply press the ENTER k e y. The GPS 45XL will re t u rn to the page previously displayed.

5. Repeat steps 3 and 4 until the word ‘HOME’ is displayed.

6. Press Eto complete entry of the name.

7. Press the Dkey once to return the field highlight to the ‘save’ field.

8. Press the Ekey to confirm that you want to save the position as a waypoint named ‘HOME’.

The mark position page will now be replaced by the

position page (the page displayed prior to pressing the

key). The ‘HOME’ waypoint is now stored in the GPS

45XL’s memory, and will remain there until you manually remove it or clear the receiver’s memory. For more on way point management, see pages 21-27.

The arrow keypad is used for all data entry. Use the UP and DOWN keys to select letters, numbers or menu options; use the LEFT and RIGHT keys to move the cursor forward or backward along the line.

Getting Started

Position Page/

Map Page

The map page displays your present position as a diamond icon and provides a real time graphic ‘bre a dcrumb’ display of your track right on screen.

Using the Position and Map Pages

Now that you’ve marked a position, it’s time to take a brisk walk using the position and moving map pages to watch your every move. To get the most from this tutorial, you will need to walk for at least the time stated in the below steps. Since the GPS system has a margin of error of 15 meters, this will ensure you travel far enough to register useful information. You’ll also get a much better indication of how the GPS 45XL’s steering guidance and mapping features work to guide you wherever you go.

1. Walk in a straight line for 3-4 minutes at a fast pace and watch the position page. You can time your distance with

the on-screen clock.

The direction you are moving (your track) and your speed are displayed on the upper part of the screen, just below the graphic compass display. The latitude, longitude and approximate altitude of your position--along with a resettable trip odometer--are continuously displayed in the middle of the page, with the time of day displayed below.

Now let’s change the display to the moving map page and watch the track log of our walk:

The moving map’s default setting is track up orientation.‘Track up’ means that your current direction of travel is always up (or t o w a rds the top of) the screen. It can also be set for north up, or desired track up orientation by using the map setup page.

1. Press the Pkey to change from the position page to the map page.

Your current position is shown as the diamond in the middle of the screen. The dark circle below the diamond represents the position you created, with the line between the two showing your track.

1. Now turn 90º to your right and continue walking at a fast pace for another 2-3 minutes. Notice how the display changes, always keeping the direction you are moving at the top of the map.

Getting Started

Going To a Waypoint

Once you’ve stored a waypoint in memory, you can use the GPS 45XL to guide you to it by performing a simple GOTO. A GOTO is really nothing more than the receiver drawing a straight-line course from your present position to the destination you’ve selected. To see how it works, let’s try navigating back to our starting position, the HOME waypoint.

To select a GOTO destination:

1. Press the Gkey.

2. The GOTO waypoint page will appear, displaying all the waypoints in memory in alphabetical order.

3. Use Uor Dto highlight the ‘HOME’ waypoint.

4. Press the Ekey to confirm that you want to navigate to the displayed waypoint.

Using the Highway Page

Bearing to

Waypoint

Track Over

Ground

Distance to

Waypoint

Speed Over

Ground

GOTO/

Highway Page

The GOTOwaypoint page allows you to select your destination from a list of all available waypoints in the GPS 45XL’s memory.

Estimated

Time Enroute

Velocity

Made Good

The GPS 45XL’s highway page also provides graphic steering guidance to a destination, with an emphasis on a straight line course to the desired waypoint and the distance and direction you are off course. The bearing and distance to a waypoint, along with your current track and speed are displayed at the top of the screen, with your estimated time enroute (ETE) and velocity made good (VMG), or the rate you are closing in on your destination shown at the bottom.

Once a GOTO is activated, the highway page will appear to provide steering guidance to your destination. To cancel a GOTO, highlight the cancel prompt at the bottom of the page and press ENTER.

Getting Started

Steering

Guidance

Compass Page

The GPS 45XL will also p rovide steering guidance with a compass page.

Using the Highway Page (continued)

Destination

Waypoint

Graphic

Highway

Pointer to Waypoint

CDIScale

As you head toward your destination, the middle section of the screen provides visual guidance to your waypoint on a moving graphic ‘highway’. The moving arrow just below the course deviation scale always points to your selected waypoint relative to the direction you are moving.

Your present position is represented by the diamond in the center of the course deviation scale. The line down the middle of the highway represents your desired track. As you navigate toward a waypoint, the highway will actually move, indicating the direction you’re off course, relative to the position diamond on the CDI scale. To stay on course, simply steer toward the center of the highway.

While navigating, you may decide to view the compass page (see picture above left) instead of the highway page.

Message Page

Once you are one minute from the destination (based on your present speed and course), an arrival message will be appear on the message page.

To select the compass page:

1. While viewing the highway page press Etwice.

The compass page will now become the displayed navigation page. This page provides a directional pointer to your destination, by using a rotating compass display to show direction of travel. It provides better steering guidance at slower speeds for travel with many directional changes.

To switch back to the highway page, press ENTER twice, again.

Getting Stared

Scrolling Through the Main Pages

Now that you’ve arrived ‘HOME’, let’s take a minute to see how the GPS 45XL’s main pages work together. The GPS 45XL features five main pages, which are linked together in a

chain. You can quickly scroll through the pages in either d i rection using the

1. Press the Pkey to scroll through the five main pages in sequence.

2. Press the Qkey to scroll through pages in the opposite direction.

and

keys.

Menu Page

You’ve already seen the first four pages in action by acquiring satellites, marking a position and navigating to a destination. The last page available from the main page sequence is the menu page, which provides access to the GPS 45XL’s waypoint management, route, track log and setup features. The 11 submenus are divided into categories

by function.

To select a submenu from the menu page:

1. Press Por Quntil the menu page appears.

2. Use the Uor Dkeys to highlight the submenu you want to view.

Page Sequence/

Menu Page

Use the UP and DOWN keys to select a submenu from the menu page. Press ENTER to access the selected submenu.

3. Press Eto access the submenu.

Getting Started

Track Log/

Power Off

Highlight the CLEARLOG? prompt and press ENTERto clear the track log. Once all 768 points are used, the oldest point will be continuously deleted to make room for the latest track log point.

Clearing the Track Log

After you’ve used the GPS45XL for a few trips, you may find that your map display has become a bit messy from keeping track of your every move. To get a feel for how the menu page works, let’s clear the track log (the plot points left on the map page) we’ve just created during the Getting Started tour.

1. Press Por Quntil the menu page appears.

2. Use theDkey to move the field highlight to the ‘TRACKLOG’ option.

3. Press Eto access the track log page.

4. Press theUkey twice to highlight the ‘CLEARLOG?’ option. The clear log confirmation page will appear.

5. Use the Lkey to highlight the ‘Yes’ prompt.

6. Press Eto finish.

Turning the Receiver Off

You’ve now gone through the basic operation of your new GPS receiver and probably know a little more than you think about how it works. We encourage you to experiment with the GPS 45XL until it becomes an extension of your own navigation skills. If you encounter any problems using the unit or want to take advantage of the GPS 45XL’s more advanced features, refer to the reference section.

To turn the GPS 45XL off:

Confirm the track log warning page to clear the log.

1. Press and hold the Bkey for 3 seconds.

Reference

Satellite Status Page

Status

Battery

Indicator

Satellite Number

Horizontal Accuracy

Satellite

Sky View

Signal Strength

Indicators

The satellite status page displays the status of various receiver functions. The status information will help you understand what the GPS 45XL is doing at any given time, and tell you whether or not the receiver has calculated a

position fix.

Sky View and Signal Strength Bars

The sky view and signal strength bars give you an indication of what satellites are visible to the receiver, whether

or not they are being used to calculate a position fix, and

the signal quality. The sky view in the center of the page shows a bird’s-eye view of the position of each satellite rela-

tive to the receiver’s last known position. The outer circle represents the horizon (north up); the inner circle 45º above the horizon; and the center point a position directly overhead.

When the receiver is looking for a particular satellite, the corresponding signal strength bar will be blank and the sky view indicator will remain highlighted in reverse video. Once the receiver has found the satellite, a hollow signal strength bar will appear, indicating that the satellite has

been found and the receiver is collecting data from it. The

satellite number in the sky view will also change from

reverse video to normal presentation. As soon as the GPS 45XL has collected the necessary data to use the satellite for

positioning, the hollow bar will become solid.

Satellite

Status Page

Satellites in view but not currently in use (03 & 17) will be displayed in reverse video, with the corresponding signal strength bar ‘hollow’.

Once a satellite in view is usable for positioning, the satellite number will change from reverse video and the signal strength bar will become solid.

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