Manual Garmin GPS MAP 180 (page 89 of 96) (English)

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GPSMAP

180

OWNERS MANUAL

AND REFERENCE

INTRODUCTION

Foreword

GARMIN

, Micro G-chart

, AutoLocate

TracBack

and PhaseTrac12

are trademarks

of GARMIN Corporation and may only be used

with permission. All rights are reserved.

Software Version 4.02 or above

Internal Database Version 3.00

Micro G-chart

cartridge data is copyrighted by Navionics Corporation and

GARMIN Corporation and may not be copied or used for any other purpose with-

out permission.

GARMIN Corporation

Except as expressly provided herein, no part of this manual may be reproduced,

copied, transmitted, disseminated, downloaded or stored in any storage medium,

for any purpose without the express prior written consent of GARMIN

Corporation. GARMIN Corporation hereby grants permission to download a sin-

gle copy of this manual and of any revision to this manual onto a hard drive or

other electronic storage medium to be viewed and to print one copy of this manu-

al or of any revision hereto, provided that such electronic or printed copy of this

manual or revision must contain the complete text of this copyright notice and

provided further that any unauthorized commercial distribution of this manual or

any revision hereto is strictly prohibited.

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.

March 1999 Part #190-00157-10 Rev. A Printed in Taiwan.

The GPS system is operated by the United States government, 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 GARMIN GPSMAP 180 is a precision electronic NAVigation AID (NAVAID), any

NAVAID can be misused or misinterpreted and, therefore, become unsafe.

Use the GPSMAP 180 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 GPSMAP 180 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 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 interfer-

ence will not occur in a particular installation. If this equipment does cause harmful

interference, the user is encouraged to try to correct the interference by relocating

the equipment or connecting the equipment to a different circuit. Consult an autho-

rized dealer or other qualified technician for additional help if these remedies do not

correct the problem.

This device complies with Part 15 of the FCC limits for class B digital devices for

home or office use. Operation is subject to the following conditions: (1) This device

may not cause harmful interference, and (2) this device must accept any interference

received, including interference that may cause undesired operation.

The GPSMAP180 contains no user-serviceable parts. Repairs should only be made

by an authorized service center. Unauthorized repairs or modifications could void

your warranty and your authority to operate this device under Part 15

regulations.

INTRODUCTION

Cautions

CAUTION!

The GARMIN GPSMAP 180 has no user-ser-

viceable parts. Should you ever encounter a

problem with your unit, please take it to an

authorized GARMIN dealer for repairs.

iii

INTRODUCTION

Capabilities

Designed for detailed electronic charting and simple operation, the GARMIN

GPSMAP 180 is a powerful navigation device that can help guide you in water-

ways around the world:

Precision Performance

 160 x 240 pixel High-contrast 4-level gray LCD screen

 PhaseTrac12

receiver tracks and uses up to 12 satellites simultaneously

for fast, accurate positioning

 Differential-Ready just add the optional GBR 21 beacon receiver for better

than 10-meter accuracy

 Gasketed case for use in exposed locations

Advanced Navigating and Plotting

 250 alphanumeric waypoints with selectable icons and comments

 Built-in worldwide database usable from 4096 to 64 nm scales

 20 reversible routes with up to 30 waypoints each

 Micro G-chart

electronic charting with inland and offshore coverage

 On-screen point-to-point distance and bearing calculations

 TracBack

route feature which allows you to quickly retrace your track log to

a starting position

 Built-in simulator mode

LIMITED WARRANTY

GARMIN warrants this product to be free from defects in materials and work-

manship for one year from the date of purchase. GARMIN International, Inc. will at

its sole option, repair or replace any components which fail in normal use. Such

repairs or replacement will be made at no charge to the customer for parts or labor.

The customer is, however, responsible for any transportation costs. This warranty

does not cover failures due to abuse, misuse, accident, or unauthorized alteration or

repairs. GARMIN International, Inc. assumes no responsibility for special, inciden-

tal, punitive or consequential damages, or loss of use.

The warranties and remedies contained herein are exclusive, and in lieu of all

other warranties expressed or implied, including any liability arising under warranty

of merchantability or fitness for a particular purpose, statutory or otherwise. This

warranty gives you specific legal rights, which may vary from state to state.

To obtain warranty service, contact the GARMIN Customer Service department

at 913-397-8200 for a returned merchandise tracking number. The unit should be

securely packaged with the tracking number clearly marked on the outside of the

package, and sent freight prepaid and insured to a GARMIN warranty service sta-

tion. A copy of the original sales receipt is required as the proof of purchase for war-

ranty repairs. GARMIN retains the exclusive right to repair or replace the unit or

software at its sole discretion.

INTRODUCTION

Warranty

INTRODUCTION

Preface

Congratulations on choosing one of the most advanced marine navigation sys-

tems available! The GARMIN GPSMAP 180 combines the proven performance of

GARMIN GPS with powerful Micro G-Chart electronic charting for detailed car-

tography and plotting wherever you cruise.

To get the most out of your new navigation system, take the time to go through

this operators manual and learn the operating procedures for your unit. This

manual is broken down into two sections for your convenience.

Getting Started introduces you to the GPSMAP 180 and provides a tutorial that

will help you become more familiar with the unit. This part will provide you with

a basic working knowledge necessary to use the unit to its fullest

potential.

The Reference portion is divided into sections that provide detailed instructions

on the advanced features and operations of the GPSMAP 180. This allows you to

concentrate on a specific topic quickly, without reading through entire portions of

text that you may not need.

An Appendix section concludes the manual with specific information needed

for custom setup, trouble shooting, and indexing.

PREFACE

WARNING!

The electronic chart is an aid to navigation

and is designed to facilitate the use of autho-

rized government charts, not replace them.

Only official government charts and notices to

mariners contain all information needed for

the safety of navigationand, as always, the

user is responsible for their prudent use.

INTRODUCTION

Packing List

Before installing and getting started with your unit, please check to see that

your package includes the following items. If any parts are missing, please see

your GARMIN dealer immediately.

Standard Package:

 GPSMAP 180 Unit

 External Antenna and 30 cable

 Power/Data Cable

 Mounting Bracket and Knobs

 Owners Manual

 Quick Reference Card

Optional Accessories:

 Micro G-chart Electronic Chart Cartridges

 PC Kit

vii

GETTING STARTED

Table of Contents

Foreword .........................................................................................................................i

Cautions..........................................................................................................................ii

Capabilities/Warranty ................................................................................................iii-iv

Preface/Packing List.....................................................................................................v-vi

Table of Contents/Keypad Usage ................................................................................vii-x

Getting Started...........................................................................................................1-16

Initializing the Receiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-2

Turning the Unit On & Screen Contrast . . . . . . . . . . . . . . . . . . . . . . . . . . .3

Satellite Page Intro & Position Page Intro . . . . . . . . . . . . . . . . . . . . . . . . .4-5

Marking Your Present Position . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

Map Page Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

Using the Cursor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

Going to a Destination & Activating a Route . . . . . . . . . . . . . . . . . . . . . . . .9

Navigation Simulator & Map Scale Intro . . . . . . . . . . . . . . . . . . . . . . . . . .10

Using the Cursor to Pan and Mark Waypoints . . . . . . . . . . . . . . . . . . .10-11

Navigation Page Intro . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

Changing Simulated Speed & Direction and Highway Scales/Data Fields .13

Active Route Page & Deactivating a Route . . . . . . . . . . . . . . . . . . . . . . . . .14

Main Menu Intro & Deleting the Track Log . . . . . . . . . . . . . . . . . . . . . . .15

Turning the Unit Off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

Section 1: GPSMAP Status Page ...............................................................................17-19

Satellite Page Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

Satellite Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18

Satellite Page Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

Section 2: Position Page ...........................................................................................20-21

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

Position Page Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21

Section 3: Map Page.................................................................................................22-29

Map Page Overview & Data Window . . . . . . . . . . . . . . . . . . . . . . . . . . . .22

Map Modes

Position Mode & Cursor Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23

Using the Cursor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24

Selecting Map Scales

Over Zoom & No Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25

Map Page Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26

Map Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27-28

Map Colors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28

Map Display & Data Fields . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29

Section 4: Navigation Page ......................................................................................30-32

Navigation Page Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30

Highway Scale & Navigation Page Options . . . . . . . . . . . . . . . . . . . . .31-32

Section 5: Main Menu Page .. ........................................................................................33

Main Menu Page Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33

Section 6: Waypoints ..............................................................................................34-42

Creating Waypoints & Using the Mark Key . . . . . . . . . . . . . . . . . . . . .34-35

Creating Waypoints On Map & By Text . . . . . . . . . . . . . . . . . . . . . . . . . .36

Reference Waypoints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37

Reviewing and Editing Waypoints by Text . . . . . . . . . . . . . . . . . . . . . . . .38

Waypoint Definition Page Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39

Waypoint Submenus & Nearest Waypoints . . . . . . . . . . . . . . . . . . . . . . .40

Proximity Waypoints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41

Create Waypoint & Waypoint List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42

Section 7: GOTO/MOB/TracBack Functions ............................................................43-46

Selecting A GOTO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43

GOTO Key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44

MOB & TracBack Navigation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45-46

viii

GETTING STARTED

Table Of Contents

Section 8: Routes .....................................................................................................47-54

Creating a Route On Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47

Reviewing and Editing Routes On Map . . . . . . . . . . . . . . . . . . . . . . . . . . .48

Route Edit Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .49-50

Route Edit Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50

Route List Page Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .51-52

Active Route Page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53

Active Route Page Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .54

Section 9: Setup Menus............................................................................................55-64

Track Log Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55

Trip and Fuel Planning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56

Route and Trip Planning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57

Sunrise & Sunset Planning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58

System Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58-59

Navigation Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60-61

Timers & Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .62

Input & Output Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63

NMEA & DGPS Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .64

Section 10: Using G-chart cartridges ........................................................................65-66

Installing and Removing G-Charts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65

Using G-Chart Cartridges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .66

GETTING STARTED

Table Of Contents

APPENDICES

Appendix A:

GPSMAP 180 Installation . . . . . . . . . . . . . . . .67-69

Appendix B:

Wiring & Specifications . . . . . . . . . . . . . . . . .70-71

Appendix C:

Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . .72-73

Appendix D:

Map Datums . . . . . . . . . . . . . . . . . . . . . . . . . .74-76

Appendix E:

Navigation Terms . . . . . . . . . . . . . . . . . . . . . .77-78

Appendix F:

Time Offset Chart . . . . . . . . . . . . . . . . . . . . . . . . .79

Appendix G:

Loran TD Position Format . . . . . . . . . . . . . . . . . .80

Appendix H:

Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .81-83

INTRODUCTION

Keypad Usage

Scrolls the main pages in sequence and returns

display from a submenu page to a main page.

Captures your present position and displays the

mark position window.

Returns display to a previous page or restores a

data fields previous value.

Decreases the scale of the moving map and

highway pages.

Increases the scale of the moving map and

highway pages.

Controls the movement of the cursor and is used

to select options and positions, and to enter

data.

Displays the GOTO waypoint window, allowing

you to select the destination waypoint. Press

GOTO twice to select a destination waypoint

from the map.

Displays context-sensitive options window.

Press MENU twice to display main menu page.

Activates highlighted fields and confirms menu

options and data entry.

Turns the unit on and off and controls 3-level

screen backlighting.

The GPSMAP 180s advanced keypad sys-

tem is designed to allow for fast, convenient

selection of navigation options and data

entry.

The Getting-Started Tour will introduce

you to most of the keypad and provide a

hands-on lesson in using the GPSMAP 180.

We strongly encourage you to take the

Getting-Started tour before using your unit

for actual navigation.

The GPSMAP 180 Quick Reference Card

contains helpful tips on using the unit and

performing various navigation tasks. Its a

good idea to keep the Quick Reference Card

nearby whenever youre navigating with your

new GPS chartplotter.

Marks your present GPS position and instantly

sets a return course while providing steering

guidance.

GETTING STARTED

Initialization

Initializing the Receiver

The first time you power up your new GPSMAP 180 is an important step in get-

ting the best possible GPS performance. The receiver must be given an opportunity

to collect satellite data and establish its present position. To ensure proper initializa-

tion, the GPSMAP 180 is shipped from the factory in AutoLocate

mode, which will

allow the receiver to find itself anywhere in the world. To speed up the initializa-

tion process, we recommend using the graphic initialization process described

below, which will usually provide a position fix in about a minute.

Before you initialize, make sure the GPSMAP unit and antenna have been correctly

installed on your vessel according to the instructions in Appendix A.

To turn the GPSMAP 180 on:

1. Press and hold the

key until the power tone sounds.

The welcome page will appear while the unit conducts a self test. Once the

internal test is complete, the mariners warning will appear, asking you to read and

acknowledge important information regarding the proper use of electronic charts.

To acknowledge the mariners warning:

1. Press the

key.

A message alert and prompt will also appear asking you to select an initialization

method.

To view a message:

1. Press the

key.

2. Press the

key again to return to the previous page.

A. The welcome page will be displayed while

the unit performs a self-test.

B. Confirm the mariners warning before

starting navigation. Remember that the

electronic chart is designed as a supple-

ment to local government charts, not as a

replacement.

GETTING STARTED

Using the Navigation Page

Whenever the GPSMAP 180 is in simulator mode, you can adjust your speed

and course from the Navigation Page using the

keypad. As you head toward

each waypoint in the tour route, try adjusting your boat speed and course to get a

feel for how the highway works.

To adjust the simulated boat speed:

1. Press the UP arrow of the

keypad to increase the speed in 5 knot/kph/mph incre-

ments. Press the DOWN arrow to decrease the speed in the same increments.

To steer the boat:

1. Press the LEFT and RIGHT arrows of the

keypad.

Notice that as you get off course, the highway and waypoint pointer move to

give you graphic guidance to get back on course. The base of the highway display

also serves as a graphic course deviation indicator (CDI), relative to the scale set-

ting shown at the bottom right of the page. The scale setting represents the total

distance (or the width) of the base of the highway display. The default graphic

highway setting is 1/4 nm, but can be set for a 1/2-, 1-, 2- or 4-nm range.

To change the highway scale display:

1. Press the

key (ZOOM OUT to increase, ZOOM IN to decrease the scale).

The Navigation Page data fields may also be configured to display any of ten

different navigation values. Lets change the VMG field to crosstrack error to pro-

vide a digital readout of the distance were off course.

To change a data field:

1. Press the

key to display the Navigation Page options.

2. Highlight the Change Data Fields? option and press

. The field highlight will now

appear in the top-left data field (the BRG field).

3. Use the

keypad to move the field highlight to the VMG field and press

4. Highlight the XTE option and press

, and press

to finish.

A. To reset the simulator to steer the desired

course automatically, select the Auto COG set-

ting from the options page.

B. The highway scale can be set to a 1/4-, 1/2-, 1-,

2-, or 4-nm/mi/km range with the ZOOM keys.

Now that youve seen the four main pages, lets review the active route page,

which appears in the main page sequence whenever you are navigating a route:

1. Press the

key.

The active route page shows each waypoint of the active route in sequence,

with the waypoint name, distance and estimated time enroute to each waypoint

displayed. As you navigate the route, the active route list will be automatically

updated, indicating the next destination waypoint.

The active route page also provides quick access to many route activation, edit-

ing and copying functions youll use most often, like inverting and deactivating

the active route. Lets go ahead and deactivate the active route.

To deactivate the active route and stop navigation:

1. Press the

key.

2. Highlight the Deactivate Route? option.

3. Press

to confirm.

To reset the boat speed to zero:

1. Press the

key.

2. Highlight the Setup Simulator? option.

3. Press

4. Press

to access the SOG field.

5. Press the LEFT arrow of the

keypad to clear the speed entry.

6. Press

GETTING STARTED

Active Route & Main Menu Page

A. To stop navigating the active route, select the

Deactivate Route? option and press

EDIT/ENTER.

B. Use the left arrow key to clear the SOG field

and press EDIT/ENTER to confirm.

As youve seen, the GPSMAP 180s main pages provide vital status, position,

navigation and map information. The last page well cover in the tour is the main

menu page, which provides access to the GPSMAP 180s waypoint, route and

planning functions, as well as various operational and navigation setup features.

The Main Menu is available from any page, and is accessed through the

key.

To access the Main Menu Page:

1. Press the

key twice.

The Main Menu Pages 11 submenus are divided into categories by function.

You can select a particular submenu by simply highlighting the desired option

and pressing

. To get a feel for how the Main Menu Page works, lets clear out

the track log weve created during our simulated tour. This will ensure that you

have a clean slate once you start navigating in your home waters.

To select the track submenu:

1. Highlight the Track menu option and press

The track log page allows you to specify whether to record a track plot and

define how it is recorded. It also provides both an indicator of the total memory

used and the individual functions to clear the track log and start a TracBack route.

To delete the track log:

1. Highlight the Delete Track option and press

. A confirmation page will appear.

2. Highlight the Yes prompt and press

to confirm.

3. Press

to return to the main page sequence.

Congratulations! Youve now gone through the basic operation of the GARMIN

GPSMAP 180. Your new digital chartplotter is a powerful tool with many

advanced features not covered in the Getting-Started Tour. For detailed instruc-

tions on using these features or performing a specific task, please refer to the

quick reference guide or the appropriate reference section of this manual.

A. The GPSMAP 180s track page lets you clear the

track log and start a TracBack route.

B. To delete the track log, confirm the warning

page by highlighting the YES prompt and

pressing EDIT/ENTER.

GETTING STARTED

Track Submenu &

Clearing the Track Log

To turn the GPSMAP 180 off:

1. Press and hold the

key for about 3 seconds, until the screen is blank.

Thank you for choosing the GARMIN GPSMAP 180 navigation system. We

hope that it will be a useful tool for you wherever you travel.

GETTING STARTED

Power Off

Satellite Page

The GPSMAP 180 Satellite Page provides a visual reference of various receiver

functions, including current satellite coverage, receiver operating mode and cur-

rent receiver accuracy. The status information will give you an idea of what the

receiver is doing at any given moment.

The sky view and signal strength bars give you an indication of what satellites

are visible to the receiver and whether or not they are being tracked. The signal

strength is shown on a bar graph for each satellite, with the satellite number

below. When a satellite is visible but not being tracked, the strength bar will not

be shown and the sky view indicator will not be highlighted.

The sky view shows a birds-eye view of the position of each satellite relative

to the receivers last known position. The outer circle represents the horizon (track

up), the inner circle is 45º above the horizon, and the center point is a position

directly overhead. Use the sky view to determine if there are obstructions shading

your reception of GPS signals.

SECTION

SATELLITE PAGE

Overview

A. Whenever the GPSMAP 180 is searching for

satellites, no signal strength bars will appear.

B. Once the receiver has found the satellite(s) indi-

cated, a hollow signal strength bar will appear.

After satellite data has been collected, the signal

strength bars will become solid.

Status Field

Horizontal Accuracy

Satellite

Sky View

Signal Strength

Indicators

Status Bar

Dilution of Precision

Receiver Status, EPE & DOP

Receiver status is indicated at the top of the page, with the current estimated

position error (EPE) and dilution of precision (DOP) to the left of the sky view.

DOP is an indication of satellite geometry quality measured on a scale of one to

ten (lowest numbers the best, highest numbers the poorest). EPE uses DOP and

other factors to calculate a horizontal position error in feet or meters. The status

field will show one of the following conditions:



Searching the Sky the receiver is looking for any satellites.

 AutoLocate the receiver is is looking for any satellite whose almanac has been col-

lected. This process can take up to five minutes.

 Acquiring Satellites the receiver is looking for and collecting data from satellites vis-

ible at its last known or initialized position, but has not collected enough data to cal-

culate fix.

 2D Navigation at least three satellites with good geometry have been acquired and a

2 dimensional position fix (latitude and longitude) is being calculated. 2D Differential

Navigation will appear when you are receiving DGPS corrections in

2D mode.

 3D Navigation at least four satellites with good geometry have been acquired and

your position is now being calculated in latitude, longitude and altitude. 3D

Differential Navigation will appear when you are receiving DGPS corrections in

3D mode.

 Poor GPS Coverage the receiver is no longer tracking enough satellites for a 2D

or 3D fix.

 Receiver Not Usable the receiver is unusable, possibly due to incorrect initialization

or abnormal satellite conditions. Turn the unit off and back on to reset.

 Simulating Navigation the receiver is in simulator mode.

A. The status bar at the bottom of the page dis-

plays important status, alarm, and map scale

information. It also provides on-screen user

and message prompts.

B. The status bar will display an anchor symbol

or PRX icon whenever the anchor drag alarm

or proximity alarm has been triggered.

SECTION

SATELLITE PAGE

Receiver Status

Satellite Page Options

The GPSMAP 180s Satellite Page features a context-sensitive options page that

provides access to functions and features relating to the Satellite Page.

To display the Satellite Page options:

1. Press

To select a menu option:

1. Highlight the desired option and press

The following options are available:

 Initialize Position? allows you to initialize the receiver on map or by text. See

pages 1-2 for instructions on initialization.

 Start AutoLocate? allows the receiver to locate your position automatically.

 Track Up/North Up SkyView? allows you to select between a north up or track

up sky view display.

 Setup Simulator? allows you to define speed, course, and position values while

in simulator mode. See the Getting-Started Tour for more on using simulator

mode.

A. Whenever the GPSMAP 180 is in simulator

mode, the Setup Simulator? option will appear

on all the main pages.

B. The setup simulator page allows you to define

your speed and course over ground, as well as

your position and altitude. The Auto COG

option will automatically steer the desired

course to your destination. Your speed and

course can also be selected from the Navigation

Page using the rocker keypad (see page 13).

SECTION

SATELLITE PAGE

Satellite Page Options

Position Page

The GPSMAP 180 Position Page shows you where you are, what direction you

are heading and how fast you are going. The top of the page features a graphic

compass tape to indicate the direction youre heading (while youre moving), and

four user selectable data fields: course over ground (COG), speed over ground

(SOG), distance traveled (TRP) and altitude (ALT). The bottom half of the page

displays your present positions coordinates, along with the time of day as calcu-

lated using GPS satellites. The status bar at the bottom of the page indicates posi-

tion fix status, and is described in detail on page 18.

The units of measure for speed, distance, position, and altitude are all user-

selectable through the navigation setup option on the Main Menu Page. The time

of day, shown in UTC (Universal Time Coordinated, or Greenwich Mean Time)

may be set to display in a 12- or 24-hour time format (with a local offset) through

the system setup option on the Main Menu Page.

The trip odometer can be reset from the Position

Page options window. To reset the odometer,

select the Reset Trip Distance? option and press

EDIT/ENTER.

SECTION

POSITION PAGE

Overview

Graphic

Compass Tape

Data

Fields

Position

Coordinates

Time

of Day

Status Bar

The map configuration options page also features a map calibration function that

allows you to calibrate the map display your exact physical surroundings or to cor-

rect data from older charts. Before using the map calibration function, check to

make sure that your map datum selected on the GPS matches the datum on the

chart you are using (see page 61). To calibrate the map display, you must know

exactly where you are, and understand that the correction is generally valid only in

a limited range from the point of correction.

Map calibration should only be performed while the vessel is not moving, and

should never be used to attempt SA corrections, which can degrade accuracy up to

330 (100 meters). The maximum correction is 16,400 feet (5000m).

To calibrate the map:

1. Select the Calibrate the Map? option and press

2. Use the

keypad to move the arrow cursor from the satellite

position (indicated by the satellite icon) to your exact position. The

bearing, distance, and position will be indicated in the data window.

3. Press

to confirm the calibration offset.

The next option available from the map configuration page is the set map colors

option, which allows you to define the fill color (grayscale) of the land and water

used on the map display. Three options are available: no color (no fills for land or

water), gray land/white water (the default setting), and white land/gray water.

To select a map colors option:

1. Select the Set Map Colors? option and press

2. Highlight the desired map color option and press

The map configuration options page also features a restore defaults function that

can be used to quickly restore all map configuration options to the factory settings.

To restore the map configuration options to the factory defaults:

1. Highlight the Restore Defaults? settings and press

A. To calibrate the map, highlight the Calibrate

the Map? option and press EDIT/ENTER.

B. A satellite icon will remain on the map to

indicate the GPS position, while the boat

marker will move to reflect the calibration

changes.

CAUTION!

The map calibration function should never be

used to attempt correcting for Selective

Availability errors.

SECTION

MAP PAGE

Map Configuration

& Map Colors

 Setup Page Display? allows you to specify the number of fields displayed in the

data window section of the map page. A graphic compass tape or CDI scale may

also be displayed. The following options are available:

 2 Fields  2 Fields & Compass

 2 Fields & CDI  4 Fields

 4 Fields & Compass  4 Fields & CDI

 6 Fields  6 Fields & Compass

 6 Fields & CDI  8 Fields

To select a page display option:

1. Highlight the Setup Page Display? option and press

2. Select the desired option and press

 Change Data Fields? allows you to specify the data displayed in each data field

used on the map display. The following options are available:

 BRG- bearing to active wpt  DIS- distance to active wpt

 SOG- speed over ground  COG- course over ground

 ETE- estimated time enroute  ETA- estimated time of arrival

 XTK- crosstrack error  VMG- velocity made good

 TRN- turn angle to wpt  WPT- active wpt name

To change a data field:

1. Highlight the Change Data Fields? option and press

2. Move the field highlight to the desired field and press

3. Select a data field option and press



Restore Defaults? resets all map page options (except map configuration options,

see pages 27-28) to the factory settings.

 Setup Simulator? allows you to define speed, course, and position values while in

simulator mode. See the Getting-Started Tour for more on using simulator mode.

A. The map page can be configured to display a

variety of navigation data.

B. Each data field can be set to display one of ten

data options.

SECTION

MAP PAGE

Page Display

& Data Fields

GPSMAP 180 Navigation Page

Whenever a GOTO, MOB, TracBack or route has been activated, the GPSMAP

180 will provide digital and graphic steering guidance to the destination with the

Navigation Page. The top half of the nav page features four user-selectable data

fields that display the bearing (BRG) and distance (DIS) to waypoint, along with

your current course (COG) and speed over ground (SOG). In addition, theres a

moving compass tape to indicate the direction youre heading. Two additional

data fields at the bottom of the page show the estimated time enroute (ETE) and

velocity made good (VMG) to your destination.

The middle section of the screen provides visual guidance to the waypoint on a

graphic highway display. The line down the center of the highway represents your

desired track, while a graphic indication of the distance and direction you are off

course is shown on a scale at the bottom right of the page (the selected scale rep-

resents the distance from side to side). The arrow pointer below the highway

always points to the destination waypoint relative to the direction you are moving.

The Navigation Page can be configured to show

the active waypoint, all route waypoints and/or

nearby waypoints on the graphic highway.

SECTION

NAVIGATION PAGE

Overview

Data

Fields

CDI

Scale

Graphic

Highway

Graphic

Compass Tape

Pointer to

Waypoint

As you head toward your destination, the highway will move to indicate your

progress to the waypoint and which direction you should steer to stay on course.

If you are navigating a route, the Navigation Page will show each route waypoint

in sequence, with the active leg indicated by the white portion of the highway.

Nearby waypoints not in the active route will also be displayed. The highway

scale may also be zoomed in or out to display a larger or smaller view of the high-

way. Five scales are available from 1/4 to 4 nm, with a default setting of 1/4 nm.

To change the highway scale:

1. Press the

key to select the desired setting.

Navigation Page Options

The GPSMAP 180s navigation options page allows you to define the nav data

fields and select what waypoints are displayed on screen.

To display the Navigation Page options:

1. Press

To select a menu option:

1. Highlight the desired option and press

A. To change the highway scale, press the IN and

OUT keys.

B. The navigation options page lets you set up the

Navigation Page to your own preferences.

SECTION

NAVIGATION PAGE

Highway Scale &

Nav Page Options

Almanac DataThe 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 (BRG)The compass direction from your position to a destination.

Course Over Ground (COG)

Direction of movement relative to a ground position.

Crosstrack Error (XTK)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 bea-

cons 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 remaining to your destination at your present

speed.

GridA coordinate system that projects the earth on a flat surface, using square zones for

position measurements.

Ground Speed (SOG)The velocity you are traveling relative to a ground position.

LatitudeA 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.

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

Turn (TRN) The difference and direction in degrees between the bearing to your desti-

nation and your course over ground. The TRN value is used to indicate what direction, and

how many degrees, to turn to get back on course.

SECTION

APPENDIX

Glossary

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Garmin GPS MAP 180 Manual

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