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120XL Man RevB 7/10/98 10:54 AM Page i
GPS 120XL
Marine
Navigator
ZOOM
Owner’s Manual
&
Reference
®
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120XL Man RevB 7/10/98 10:54 AM Page ii Software Version 2.0 or above © 1997 GARMIN Corporation 1200 E. 151st Street, Olathe, KS USA 66062 Tel: 913-397-8200 or 800-800-1020 Fax: 913-397-8282 Web Site Address: www.garmin.com GARMIN (Europe) Ltd. Unit 5, The Quadrangle, Abbey Park Industrial Estate, Romsey, SO51 9AQ, U.K. Tel: 011-44-1794-519944 Fax: 011-44-1794-519222 GARMIN (Asia) Corp. 4th Fl., No. 1., Lane 45, Pao-Hsing Road, Hsin Tein, Taiwan R.O.C. Phone: 886.02.917.3773 Fax: 886.02.917.17
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120XL Man RevB 7/10/98 10:54 AM Page iii INTRODUCTION GPS 120XL Overview OPERATOR’S MANUAL Welcome to the easiest-to-use fixed-mount GPS on the water! The GPS 120XL represents GARMIN’s continuing commitment to provide mariners with quality navigation information in a versatile, accurate and user- friendly design which will be useful 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 operator’s manual to understand the operating
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120XL Man RevB 7/10/98 10:54 AM Page iv INTRODUCTION 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 120XL is a precision electronic NAVigation AID (NAVAID), any NAVAID can be misused or misinterpreted and, therefore, become unsafe. Use the GPS 120XL at your own risk. To reduce the risk
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120XL Man RevB 7/10/98 10:54 AM Page 1 INTRODUCTION Table of Contents SECTION ONE Introduction Glossary/Navigation Basics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-4 SECTION TWO Getting Started Turning On and Initializing the Receiver . . . . . . . . . . . . . . . . . . . . . .5-7 Primary Page Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8-9 Marking a Position . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10-11
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120XL Man RevB 7/10/98 10:54 AM Page 2 INTRODUCTION Glossary The GPS 120XL 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)
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120XL Man RevB 7/10/98 10:54 AM Page 3 INTRODUCTION Glossary 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 pa
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CROSSTRACK ERROR DTK BRG TRK 120XL Man RevB 7/10/98 10:54 AM Page 4 INTRODUCTION Navigation Basics The GPS 120XL provides steering guidance and navi- gation 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 120XL. More information on basic navigation and GPS are avail
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120XL Man RevB 7/10/98 10:54 AM Page 5 GETTING Getting Started with your GPS STARTED Welcome to the exciting world of GARMIN GPS! The GPS 120XL represents GARMIN’s continuing com- Initialization mitment to provide marine users with quality naviga- tion 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 initial- ization and Getting Started sections of this manual, and refer to the reference se
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120XL Man RevB 7/10/98 10:54 AM Page 6 GETTING Initializing the Receiver STARTED The receiver is shipped from the factory in AutoLocate™ mode, which enables the GPS 120XL to Initialization determine its location anywhere in the world. To speed up the initialization process, we recommend using the graphic initialization described below, which will usual- ly provide a fix in 7.5 to 15 minutes. Before you initialize, make sure your GPS 120XL unit and antenna have been correctly installed on your
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120XL Man RevB 7/10/98 10:54 AM Page 7 GETTING Initializing the Receiver (cont) STARTED 3. Use the key to scroll through the list options until D the country of your present position appears. Initialization 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 to finish. F The GPS 120XL will now begin searching for the appropriate satellites for your location and shoul
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120XL Man RevB 7/10/98 10:54 AM Page 8 GETTING Primary Pages STARTED Before we start the tour, let’s briefly look at the five primary information pages used for the GPS 120XL. Primary Pages Note: Switch between pages by pressing either the Q or keys. J J Q Satellite Page The Satellite Page shows satellite positions and signal strength. Satellite positions are displayed using two circles and a center point. The outer circle shows satellites on level with the horizon; the inner circle is 45º abo
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120XL Man RevB 7/10/98 10:54 AM Page 9 GETTING Map Page STARTED The Map Page acts as a window. It allows you to view your position, the “path” you have traveled over, Map, Navigation and nearby waypoints. & Menu Pages A diamond icon in the center of the screen repre- sents your current position. As you move, you will see a thin line-- called a track log-- appear along the path you have just covered. Names of stored waypoints can also be shown on the map. The bottom corners of the screen will a
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120XL Man RevB 7/10/98 10:54 AM Page 10 GETTING Getting Started Tour STARTED Now that your GPS receiver has been initialized and you are familiar with the primary pages, it’s time to take Marking A a tour. This is a live tour and is to be conducted with Position your unit installed and with the boat in the water. The tour will take you through the receiver’s basic features and functions as you move about on the water and assumes that the GPS 120XL is turned on, initialized, and that you have n
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120XL Man RevB 7/10/98 10:54 AM Page 11 GETTING The mark position page will appear, showing the STARTED captured position and a default 3-digit waypoint name. Let’s change the default name to something a little more meaningful, like ‘DOCK’. Marking A Position 1. Press theU key twice to move the field highlight from the ‘save’ field to the name field. 2. Press and L to clear the default waypoint F name. 3. Press and hold theU key to scroll through the alphabet until the letter ‘D’ appears. 4. P
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120XL Man RevB 7/10/98 10:54 AM Page 12 GETTING Using the Position and Map Pages (continued) STARTED As you head out, the Position Page will help you monitor your movement. Position & Map Pages Graphic Compass Tape Track Over Ground Current Speed Trip Odometer Altitude Position Display 12/24 Hour Time The direction you are moving (your track) and your speed are displayed on the upper part of the page, just below the graphic compass tape. The latitude, longitude The Map Page displays and approx
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120XL Man RevB 7/10/98 10:54 AM Page 13 GETTING Going To a Waypoint STARTED Once you’ve stored the “CHANNL” waypoint in memory, you can use the GPS 120XL to guide you to it Going To A by performing a simple GOTO. A GOTO is nothing Waypoint more than a straight-line course from your present position to the destination you’ve selected. Use caution when navigating. A “straight-line” ! # course reflects the shortest distance to a waypoint, and does not navigate around obstructions, such as land
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120XL Man RevB 7/10/98 10:54 AM Page 14 GETTING Using the Highway Page (continued) STARTED Using The Current Track Current Speed Highway Page Position Diamond Estimated Velocity Made Time of Good Arrival Pointer to Waypoint 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 direc- The 120XL wil
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120XL Man RevB 7/10/98 10:54 AM Page 15 GETTING Cancelling a GOTO STARTED If you decide to stop navigating to the active way- Cancelling A point, all you have to do is cancel the GOTO. GOTO & To cancel an active GOTO: Clearing Maps 1. Press the key. G 2. Use the arrow keypad to move the field highlight to the ‘CANCEL GOTO?’ prompt at the bottom of the page and press . F Clearing a Cluttered Map Display After you’ve used the GPS 120XL for a few trips, you may find that your map display has beco
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120XL Man RevB 7/10/98 10:54 AM Page 16 REFERENCE Satellite Page Satellite Page Status Satellite Overview Sky View Satellite Sky View Satellite Numbers The Satellite Page displays the status of various receiver functions. The status information will help you understand what the GPS 120XL is doing at any given As soon as a satellite has time, and will tell you whether or not the receiver has been found and the GPS calculated a position fix. 120XL is acquiring position data, the satellite numb
