GPS48revB.
GPS48revB.qxd 1/7/00 3:12 PM Page 2 Software Version 4.55 or above © 1998-1999 GARMIN Corporation 1200 E. 151st Street, Olathe, Kansas 66062 USA Tel: 913-397-8200 Fax: 913-397-8282 GARMIN (Europe) Ltd. Unit 5, The Quadrangle, Abbey Park, Romsey, Hampshire SO51 9AQ UK Tel: 011-44-1794-519944 Fax: 011-44-1794-519222 GARMIN (Asia) Corp. No. 68, Jangshu 2nd Rd., Shijr, Taipei County, Taiwan Tel: 011-886-2-2642-9199 Fax: 011-886-2-2642-9099 Web Site Address: www.garmin.com All rights reserved.
GPS48revB.qxd 1/7/00 3:12 PM Page 3 INTRODUCTION GPS 48 Packing List Owner’s Manual Thank you for choosing the GARMIN GPS 48 —the smallest, easiestto-use GPS navigator for outdoor use! The GPS 48 represents GARMIN’s continuing commitment to provide quality navigation information in a versatile and user-friendly flexible design you’ll enjoy for years. To get the most from your new GPS, take the time to read through the owner’s manual in order to understand the operating features of the GPS 48.
GPS48revB.qxd 1/7/00 3:12 PM Page 4 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 48 is a precision electronic NAVigation AID (NAVAID), any NAVAID can be misused or misinterpreted and, therefore, become unsafe. Use the GPS 48 at your own risk.
GPS48revB.qxd 1/7/00 3:12 PM Page 1 INTRODUCTION Table of Contents SECTION ONE Introduction Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-3 Navigation Basics & Key Pad Usage & Data Entry . . . . . . . . . . . . . . .4-5 SECTION TWO Getting Started Initializing for First Time Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-7 Primary Page Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
GPS48revB.qxd 1/7/00 3:12 PM Page 2 INTRODUCTION Glossary The GPS 48 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.
GPS48revB.qxd 1/7/00 3:12 PM Page 3 INTRODUCTION Glossary Estimated Time Enroute (ETE) The time left to your destination at your present speed. 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 (SPD) The velocity you are traveling relative to a ground position. Latitude The north/south measurement of position perpendicular to the earth’s polar axis.
GPS48revB.qxd 1/7/00 3:12 PM Page 4 INTRODUCTION Navigation Basics The GPS 48 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 48. More information on basic navigation and GPS are available at your local library or bookstore.
GPS48revB.qxd 1/7/00 3:12 PM Page 5 INTRODUCTION Keypad Usage & Data Entry B Turns the unit on and off and activates screen backlighting. P Scrolls through the main data pages in sequence and returns display from a submenu page to a primary page. M Captures a position and displays the mark position page. G Displays GOTO page with the waypoint highlighted for GOTO operation. Pressing GOTO twice activates MOB. E Confirms data entry and activates highlighted fields to allow data entry.
GPS48revB.qxd 1/7/00 GETTING STARTED Initializing the Receiver Hold the receiver parallel to the ground and rotate the antenna perpendicular to the receiver. Welcome Page 6 3:12 PM Page 6 Initializing Your GPS 48 for First-Time Use The GPS 48 does not require initialization under normal day-to-day use.
GPS48revB.qxd 1/7/00 3:12 PM Page 7 To initialize the receiver: 1. If the ‘COUNTRY’ option is not highlighted, press the D key repeatedly to move the field highlight to the ‘COUNTRY’ option. 2. Press the E key. GETTING STARTED Initializing the Receiver 3. Use the D key to scroll through the list options until the country of your present location appears. If the country you’re in is not listed, select another country within 500 miles of your present position. 4.
GPS48revB.qxd 1/7/00 GETTING STARTED Primary Pages 3:12 PM Page 8 Primary Pages Before we start the tour, let’s briefly look at the five primary information pages used for the GPS 48. Switch between pages by pressing either the Q or J keys. J Q Satellite Page Satellite Page The Satellite Page will allow you to monitor satellite signal reception and strength. The Satellite Page shows satellite positions and signal strength. Satellite positions are displayed using two circles and a center point.
GPS48revB.qxd 1/7/00 3:12 PM Page 9 Map Page The Map Page acts as a window. It allows you to view your position, the “path” you have traveled over, and nearby navaids, cities and waypoints. GETTING STARTED Primary Pages A diamond icon in the center of the screen represents your current position. As you move, you will see a thin line - called a track log - appear along the path you have just covered.
GPS48revB.qxd 1/7/00 GETTING STARTED Power On & Marking a Position 3:12 PM Page 10 Getting Started Tour Now that you’ve seen the primary pages, let’s get started by taking a simple tour to show you the basics about using your GPS 48. The tour assumes that your unit has been turned on, initialized, and that none of the factory settings (units of measure, selectable fields, etc.) have been changed.
GPS48revB.qxd 1/7/00 3:12 PM Page 11 Using the Position Page Walk at a brisk pace for 3-4 minutes and watch the Position Page. The direction you are moving (track), your speed, trip distance, and altitude are shown on the upper half of the screen. The latitude and longitude of your position are displayed in the middle of the page, with the time of day shown below. GETTING STARTED Map Page & Going to a Waypoint Let’s continue by moving to the next page: 1. Press P.
GPS48revB.qxd 1/7/00 GETTING STARTED Highway Page & Cancelling a GOTO 3:12 PM Page 12 Highway Page Bearing to Waypoint Distance to Waypoint Track Over Ground Speed Over Ground Destination Waypoint CDI Scale Graphic Highway The GPS48 will also provide steering guidance with a Graphic Compass display.
GPS48revB.qxd 1/7/00 3:12 PM Page 13 Clearing a Cluttered Map Display After you’ve used the GPS 48 for a few trips, you may find that your map display has become a bit messy from keeping track of your every move. For practice, let’s clean up the screen by clearing the track log (the plot points left on the Map Page) we’ve just created during the Getting Started tour. GETTING STARTED Clearing the Map, Contrast, & Power Off 1. Press P or Q until the Map Page appears. 2.
GPS48revB.qxd 1/7/00 REFERENCE 3:12 PM Page 14 Satellite Page Satellite Page Status Field Battery Indicator Estimated Position Error Skyview Display Signal Strength Indicators The GPS 48 Satellite Page will help you determine which satellites are in view, and whether or not any satellites are being “shaded” or blocked from receiving satellite signals (See satellite 02 above).
GPS48revB.qxd 1/7/00 3:12 PM Page 15 Receiver Status Receiver status is indicated at the top left of the page, with the current horizontal accuracy (estimated position error, in feet or meters) at the top right. The status will be shown as one of the following conditions: Searching— the GPS 48 is looking for any available satellites in view. AutoLocate— the GPS 48 is initializing and collecting new almanac data. This process can take 5 minutes, depending on the satellites currently in view.
GPS48revB.qxd 1/7/00 REFERENCE Battery Level, Backlighting & Emergency Erase 3:12 PM Page 16 Battery Level Indicator The Satellite Page also features a battery level indicator, located to the left of the sky view, which displays the strength of the unit’s batteries. The battery indicator will not appear if the receiver is using external power. # ! The battery level indicator is calibrated for alkaline batteries. Voltage differences will display Ni-Cad and lithium batteries differently.
GPS48revB.qxd 1/7/00 3:12 PM Page 17 Position Page The second page in the GPS 48’s primary page sequence is the Position Page. This page shows you where you are, what direction you’re heading, and how fast you’re going, and it’s most useful when you are traveling without an active destination waypoint. The graphic heading display at the top of the page indicates the direction you’re heading (while you’re moving).
GPS48revB.qxd 1/7/00 REFERENCE Maximum Speed & Altitude Fields 3:12 PM Page 18 Position Page (cont) To reset timer, speed measurement, or odometer: 1. Highlight the user-selectable field, and press E. 2. Press E to confirm or Q to exit. The trip odometer, trip timer, and average speed fields are linked. Resetting one of these options in a user-selectable field will automatically reset the corresponding data in the other. This ensures that information shown in these fields reflects your current trip.
GPS48revB.qxd 1/7/00 3:12 PM Page 19 REFERENCE Map Page Zoom Scale Bearing to Waypoint Pan & Configure Fields Map Page Distance to Waypoint Present Position Track Over Ground Speed Over Ground The Map Page shows your position and surroundings, and provides you with a target cursor that lets you pan ahead to determine the distance and bearing to a map position, mark new waypoints and goto waypoints while you navigate. The Map Page is broken down into two sections: control fields and map section.
GPS48revB.qxd 1/7/00 REFERENCE Marine Database Navaid labels contain abbreviated descriptions of the navaids. To view the label, highlight the navaid or zoom in until the navaid label is visible. 3:12 PM Page 20 Marine Database The GPS 48 contains an updateable, marine database that displays city locations and nautical navaids on the moving map. Check the Garmin website for possible nautical navaid updates.
GPS48revB.qxd 1/7/00 3:12 PM Page 21 Marine Database (cont) Lit and unlit navaids are designated by the primary color. The navaid symbol will have the first letter in the primary color displayed in the symbol. Information about the navaid is contained in the navaid label. The navaid label can be activated two ways, either by reaching the label zoom scale set in navaid setup (see page 27) or by panning the map cursor to the navaid (see page 22).
GPS48revB.qxd 1/7/00 REFERENCE Zooming Panning & Configuring 3:12 PM Page 22 Zooming, Panning, and Configuring There are three main functions you can perform from the Map Page— zooming, panning, and configuring (changing the map and track setup). Each of these functions has its own “field”, which may be selected and activated for use. Whenever the Map Page first appears, the zoom field (at the top left) is always highlighted.
GPS48revB.qxd 1/7/00 3:12 PM Page 23 Zooming, Panning, and Configuring (cont.) From the waypoint definition page, you can also define how each individual waypoint is displayed on the map. The GPS 48 displays waypoints as a name with a corresponding symbol (e.g., “nearest fuel” and a gas pump symbol), a symbol only (e.g., a fish symbol), or a 16-character comment and corresponding symbol (e.g., “great view” and the camp site symbol).
GPS48revB.qxd 1/7/00 REFERENCE Setup Windows 3:12 PM Page 24 Using the Cursor to Mark and Go to (cont.) You can activate a direct GOTO to any user waypoint or navaid displayed on the map. To GOTO a user waypoint or navaid: 1. Highlight the user waypoint or navaid by panning the map cursor to the point and press E. 2. Press Gthen Eto begin navigation. To stop the panning function: 1. Press Q.
GPS48revB.qxd 1/7/00 3:12 PM Page 25 Map Setup Page and Orientation (cont.) • ’Nearest’— shows the nine nearest user waypoints to your position (black diamond) on the map. • ’Names’— displays the waypoint name for the nine nearest waypoints. REFERENCE Map & Track Setup Pages • ’Track Log’— displays and plots track points on the map. To turn a map item on or off: 1. Highlight ‘YES’ or ‘NO’ for the specific map item, and press E.
GPS48revB.qxd 1/7/00 3:12 PM Page 26 REFERENCE Managing and Clearing the Track Log Clearing the Track Log The rest of the track setup window displays the percentage of available memory currently used to store track log data, and a function fields to clear the track log memory. Note: Clearing the track log will not erase waypoints. To clear the track log: 1. Highlight ‘CLEAR LOG?’, and press E. 2. Highlight ‘Yes?’, and press E.
GPS48revB.qxd 1/7/00 3:12 PM Page 27 Navaid Setup Page The navaid setup page lets you select the zoom scale where navaids become visible on the map. The setup page is divided into two columns, range and zoom, with label setup at the bottom of the page. The ‘RANGE’ field represents the visible range of the navaid, the ‘ZOOM’ field is user–selectable and determines when the navaid becomes visible on the map. Navaids become visible on the map at or below the selected zoom setting.
GPS48revB.qxd 1/7/00 REFERENCE User Defined Navigation Page 3:12 PM Page 28 Selecting a User Defined Navigation Page Once you have selected a GOTO, Tracback, MOB or route the GPS 48 will provide navigation using one of two user defined navigation pages. Compass Page To switch the navigation page to the Compass Page, press ENTER twice. Highway Page •The Compass Page (default) provides a directional pointer to the destination, with a rotating compass display to show your direction of travel.
GPS48revB.qxd 1/7/00 3:12 PM Page 29 Selecting a User Defined Navigation Page (cont) Distance to Waypoint Graphic Compass REFERENCE Navigation Pages Track Over Ground User-Selectable Field The ‘ETE’ field, located in the middle-bottom of both pages, is a user-selectable field that allows you to display a variety of navigation values for your trip. To access the user-selectable field: 1. Highlight ‘ETE’, and press E. 2. Use the keypad to scroll through the possible options.
GPS48revB.qxd 1/7/00 REFERENCE Compass Page 3:12 PM Page 30 Using the Compass Page Bearing to Waypoint Destination Waypoint Pointer to Waypoint Speed Over Ground In this example, the Compass Page indicates that you are traveling in a south westerly (210 degrees) direction and the destination waypoint is north east (69 degrees) of your current direction of travel.
GPS48revB.qxd 1/7/00 3:12 PM Page 31 REFERENCE Using the Highway Page Bearing to Waypoint Distance to Waypoint Track Over Ground Speed Over Ground Destination Waypoint CDI Scale Graphic Highway Highway Page User Selectable Field The GPS 48’s Highway Page provides graphic steering guidance to a destination waypoint, with a greater emphasis on the straight-line desired course and the distance and direction you are off course.
GPS48revB.qxd 1/7/00 REFERENCE Marking a Position 3:12 PM Page 32 Marking a Position The GPS 48 allows you to mark and store up to 500 position as waypoints. A waypoint can be entered by taking an instant electronic fix, by manually entering coordinates (pg. 35), or by using the bearing and distance to a known position (pg. 35). To mark your present position: 1. Press M. The mark position page will appear, showing the captured position and a default threedigit name. 2.
GPS48revB.qxd 1/7/00 3:12 PM Page 33 Waypoint Pages The GPS 48 has three waypoint pages that let you quickly manage up to 500 waypoints. These pages— nearest waypoints, waypoint list, and waypoint definition—can be accessed through the Menu Page. REFERENCE Waypoint Pages To select a waypoint page: 1. Access the Menu Page, and highlight a waypoint page option. 2. Press E.
GPS48revB.qxd 1/7/00 REFERENCE Proximity Waypoints 3:12 PM Page 34 Waypoint List Page (continued) An options page will appear, asking if you want to delete all user-defined waypoints or if you want to delete waypoints by symbol type. 1. Highlight either ‘ALL’ or ‘SYMBOL’, and press E. If you highlight ‘SYMBOL,’ you’ll be asked to select a symbol. 1. Select the symbol to be deleted, and press E. 2. Press E to confirm the ‘DONE’ prompt, highlight the ‘YES?’ prompt, and press E.
GPS48revB.qxd 1/7/00 3:12 PM Page 35 REFERENCE Waypoint Definition Page Waypoint Name Position Coordinates Reference Waypoint Waypoint Comment Bearing from Reference Waypoint Distance from Reference Waypoint Waypoint Definition Page Function Prompts The waypoint definition page lets you create new waypoints manually or review and edit an existing waypoint’s coordinates, symbols, and comments. It is also used to delete an individual waypoint from memory (see pg. 37).
GPS48revB.qxd 1/7/00 REFERENCE Waypoint Symbols & Comments 3:12 PM Page 36 Reference Waypoints (cont.) 1. From the waypoint definition page, highlight ‘NEW?’, and press E. 2. Enter a waypoint name, and press E. 3. Highlight the ‘REF’ field, and press E. 4. Enter a reference waypoint name (or leave the field blank to use your present position), and press E. 5. Enter the bearing and distance of your new waypoint from the reference waypoint. 6. Press E to confirm the ‘DONE?’ prompt.
GPS48revB.qxd 1/7/00 3:12 PM Page 37 Renaming and Deleting Waypoints The rename and delete function fields are located along the bottom side of the waypoint definition page. To rename a stored waypoint: 1. Highlight ‘RENAME?’, and press E. REFERENCE Renaming & Deleting Waypoints 2. Enter the new waypoint name, and press E. 3. Press E to confirm the ‘Yes?’ prompt. To delete a stored waypoint: 1. Highlight ‘DELETE?’, and press E. 2. Highlight the ‘Yes?’ prompt, and press E.
GPS48revB.qxd 1/7/00 REFERENCE GOTO 3:12 PM Page 38 Selecting a GOTO Destination The GPS 48 provides four ways to navigate to a destination: GOTO, MOB, TracBack, and route navigation. The most basic method of selecting a destination is the GOTO function, which lets you choose any stored waypoint as the destination and quickly sets a direct course from your present position. To activate the GOTO function: 1. Press G. 2. Select the waypoint you want to navigate to, and press E.
GPS48revB.qxd 1/7/00 3:12 PM Page 39 TracBack Navigation GARMIN’s patented TracBack feature allows you to quickly retrace your path using the track log automatically stored in the receiver. This feature eliminates the need to mark waypoints along the way and manually create and activate a route back to where you began your trip. Three track recording options are available: Off—no plot will be recorded. Fill—a track plot will be recorded until track memory is full.
GPS48revB.qxd 1/7/00 REFERENCE Tips on TrackBack Navigation The track log will be divided into segments with temporary waypoints to create a route back to the beginning of the track log. The TracBack function allows you to navigate your track log back to the oldest track point in memory. 40 3:12 PM Page 40 Tips On the TracBack Feature • Always clear your track log at the exact point that you want to go back to (trail head, truck, etc.).
GPS48revB.qxd 1/7/00 3:12 PM Page 41 REFERENCE Route Navigation The last form of navigating to a destination with the GPS 48 is by creating a user-defined route. The route navigation feature lets you plan and navigate a course from one place to another using a set of predefined waypoints. Routes are often used when it’s not practical, safe, or possible to navigate a direct course to a particular destination (e.g., through a body of water or impassable terrain).
GPS48revB.qxd 1/7/00 REFERENCE Route Definition Page 3:12 PM Page 42 Route Definition Page Route Number Comment Field Leg Distance Desired Track of Leg Total Distance Copy Field Function Prompts Routes enable you to store and use groups of frequently used waypoints together. The GPS 48 lets you create and store up to 20 routes of 30 waypoints each. The bottom of the route definition page features several ‘function’ fields which let you copy, clear, invert, or activate the displayed route.
GPS48revB.qxd 1/7/00 3:12 PM Page 43 Creating and Navigating Routes REFERENCE To create a route from the route definition page: 1. Highlight the ‘ROUTE:’ field, and press E. 2. Enter a route number, and press E. (Only open routes will be available.) Creating & Navigating Routes 3. Press E to begin entry of a route comment. 4. Enter your comment, and press the E key. 5. Enter the first waypoint of your route, and press E.
GPS48revB.qxd 1/7/00 REFERENCE Active Route Page 3:12 PM Page 44 Active Route Page Once a route has been activated, the active route page will display the waypoint sequence of your route with the estimated time enroute (ETE) at your present speed and the distance to each waypoint. As long as you are navigating an active route, the active route page will become part of the main page sequence of the unit.
GPS48revB.qxd 1/7/00 3:12 PM Page 45 Editing Routes REFERENCE A route can be edited any time after its creation. To edit a route from the active route page or the route definition page: 1. Select the waypoint you want to edit, and press E. An on-screen menu of editing choices will appear, with options for reviewing, inserting, deleting, or changing the waypoint field highlighted. This field contains the following options: • Review?— reviews the waypoint’s definition page.
GPS48revB.qxd 1/7/00 3:12 PM Page 46 REFERENCE Menu Page Menu Page & System Setup The GPS 48’s Menu Page provides access to additional pages (submenus) that are used to select and customize operation and navigation setup. These eight pages are divided into categories by function. We’ve already gone over the waypoint and route management pages in their respective sections. Let’s review the rest of these pages in the order they appear on the Menu Page. To select a submenu page from the Menu Page: 1.
GPS48revB.qxd 1/7/00 3:12 PM Page 47 System Setup (cont) • Simulator Mode allows you to operate the unit without acquiring satellites, and is ideal for practicing or entering waypoints and routes while at home. REFERENCE Date and Time Setup To select an operating mode: 1. Highlight the ‘MODE’ field, and press E. 2. Select a mode, and press E. Date and Time Setup The date and time is located directly below the mode field.
GPS48revB.qxd 1/7/00 REFERENCE 3:12 PM Page 48 Screen Contrast Screen Contrast, Backlight Timer, Tone The GPS 48 has adjustable screen contrast controlled by an on-screen bar scale. To set the screen contrast: 1. Highlight the ‘CONTRAST’ field, and press E. The “Stay On” setting will keep your backlighting on continuously. However, this will significantly reduce your battery life. 2. Adjust the bar scale to the desired contrast, and press E.
GPS48revB.qxd 1/7/00 3:12 PM Page 49 Navigation Setup The navigation setup submenu page is used to select units of measurement for position formats, map datums, CDI scale, units, and heading, and speed filter information. Position Formats REFERENCE Navigation Setup & User Grid The default position format for the GPS 48 is latitude and longitude in degrees and minutes (hdddºmm.mmm’). You may also select degrees, minutes and seconds (hdddºmm’ss.s’’); degrees only (hddd.
GPS48revB.qxd 1/7/00 REFERENCE Map Datums, CDI, Units & Heading 3:12 PM Page 50 Map Datums (continued) To select a map datum: 1. Highlight the ‘MAP DATUM’ field, and press E. 2. Select the desired setting, and press E. To define a user datum: 1. Highlight the ‘MAP DATUM’ field, and press E. 2. Scroll through the map datum options until ‘User’ appears, and press E. 3. Enter values for ‘DX’, ‘DY’, ‘DZ’, ‘DA’, and ‘DF’ using the rocker keypad, and press E. 4. Highlight ‘SAVE?’, and press E.
GPS48revB.qxd 1/7/00 3:12 PM Page 51 Magnetic Heading Reference (cont) To select a heading reference: 1. Highlight the ‘HEADING’ field, and press E. REFERENCE Speed Filter 2. Select the desired heading preference, and press E. To enter a user-defined magnetic heading: . 1. Select ‘User Mag’ and press E. 2. Enter the degrees and direction of magnetic variation, and press E. To select heading units for display: . 1. Highlight the present unit selection and press E. 2.
GPS48revB.qxd 1/7/00 REFERENCE Interface Setup 3:12 PM Page 52 Interface Setup The GPS 48’s interface page lets you specify the formats for connecting external devices. There are six options: GRMN/GRMN, None/None, RTCM/None, RTCM/NMEA, NMEA/NMEA, and None/NMEA. Each option lists the input format first, followed by the output format. To select I/O format: 1. Highlight the I/O field, and press E. 2. Select the desired setting, and press E.
GPS48revB.qxd 1/7/00 3:12 PM Page 53 DGPS Interface (cont) To enter a DGPS beacon frequency: 1. Highlight the ‘FREQ’ field, and press E. 2. Enter the desired frequency, and press E. REFERENCE DGPS Interface 3. Highlight the ‘RATE’ field, and press E. 4. Select the desired transmission rate, and press E.
GPS48revB.qxd 1/7/00 REFERENCE Alarms Setup 3:12 PM Page 54 Alarms Setup The alarms setup page is used to set the three alarms available on the GPS 48: the anchor drag alarm, arrival alarm, and CDI alarm. The anchor drag alarm will alert you if your boat has moved outside a range measured from a central point (your position). The arrival alarm will alert you when you are approaching a waypoint and have reached the user defined distance.
GPS48revB.qxd 1/7/00 3:12 PM Page 55 Language Setup The GPS 48 offers nine different language selections: English, Danish, French, German, Italian, Spanish, Swedish, Portuguese and Norwegian. To select a language: REFERENCE Find City Function 1. From the Setup menu highlight ‘LANGUAGE’ and press E. 2. Highlight the desired language and press E. Using the Find City Function The Find City function lets you search the city database for a city, by spelling the city name.
GPS48revB.qxd 1/7/00 REFERENCE Navigation Simulator 3:12 PM Page 56 Navigation Simulator The GPS 48’s simulator mode lets you practice all aspects of its operation without active satellite acquisition. You can plan and practice trips, enter new waypoints and routes, and save them for use during normal operation. To activate the simulator: 1. From the Menu Page, highlight ‘SYSTEM SETUP’, and press E. 2. Highlight the ‘MODE’ field, and press E. 3. Select ‘Simulator?’, and press E.
GPS48revB.qxd 1/7/00 3:12 PM Page 57 Appendix A Never attempt any repairs yourself. To protect your GPS 48, keep it in its carrying case when not in use, and never allow gasoline or other solvents to come into contact with the case. Clean the case and lens with a soft cloth and a household window cleaner. Specifications & Wiring PHYSICAL Case: Water proof rated to IEC 529 IPX4 standards. Size: 6.15”H x 2”W x 1.23” D (15.6 x 5.1 x 1.23 cm) Weight: Approx 9.
GPS48revB.qxd 1/7/00 3:12 PM Page 58 APPENDIX A unit view Specifications & Wiring DATA IN (WHITE) POWER (RED) GROUND (BLACK) DATA OUT (BROWN) Three optional cables are available to connect the GPS 48 to an external power source or interface with another unit or PC: • Cigarette Lighter Adapter— Allows connection to a 12-volt DC cigarette lighter plug. Part No. 010-10085-00. • Data Transfer Cable— Allows data transfer between GARMIN GPS units.
GPS48revB.qxd 1/7/00 3:12 PM Page 59 Appendix A Battery Installation The GPS 48 operates on 4 AA alkaline batteries (included), which are installed in the base of the unit. These batBattery teries provide up to 24 hours of continuous use. Rechargeable NiCad or lithium batteries may also be used. Installation Battery life will vary due to a variety of factors, including temperatue and use of screen bacdklighting. Lithium batteries will provide longer life in colder conditions.
GPS48revB.qxd 1/7/00 3:12 PM Page 60 Appendix A When creating new waypoints using Loran TD coordinates you muset set the correct loran chain number and secondary stations in the Setup TD field before storing the waypoint. After the waypoint is stored in unit memory, it will always reference Loran TD the loran chain number and secondary stations currently Position Format selected in the Setup TD field.
GPS48revB.qxd 1/7/00 3:12 PM Page 61 The GPS 48 uses a flashing on-screen message indicator to alert you to important information. Whenever the message indicator appears, press PAGE to view the message page. There are two types of messages: temporary alerts and condition alerts. Temporary alerts are cleared from the message page after viewing, while condition alerts remain until the condition has been resolved. Pay careful attention to all messages for your own safety.
GPS48revB.qxd 1/7/00 3:12 PM Page 62 APPENDIX B Messages & Time Offsets RTCM Input has Failed—DGPS data being received has been lost. You are no longer receiving the beacon signal. Searching the Sky—The GPS 48 is in searching the sky for almanac data or the unit is in AutoLocateTM mode. Stored Data was Lost—All waypoints, routes, time and almanac data has been lost due to battery failure or clearing the receiver’s memory. Track Memory is Full—All track log points in memory have been used.
GPS48revB.qxd 1/7/00 3:12 PM Page 63 APPENDIX C The following list shows the map datums available for the GPS 48. Menu abbreviations are listed first, followed by the corresponding map datum name and area. The default map datum for the GPS 48 is WGS 84.
GPS48revB.qxd 1/7/00 3:12 PM Page 64 APPENDIX C Old Hawaiian Oman Ord Srvy GB Map Datums Mahe 1971 Marco Astro Massawa Merchich Midway Ast ‘61 Minna NAD27 Alaska NAD27 Bahamas Mahe 1971- Mahe Island Marco Astro- Salvage Island Massawa- Eritrea (Ethiopia) Merchich- Morocco Midway Astro ‘61- Midway Minna- Nigeria North American 1927- Alaska North American 1927Bahamas (excluding San Salvador Island) NAD27 Canada North American 1927Canada and Newfoundland NAD27 Canal Zone North Am.
GPS48revB.qxd 1/7/00 3:12 PM Page 65 APPENDIX D The following list shows the abbreviations for lit and unlit navaid labels followed by a brief description of the abbreviation.
GPS48revB.qxd 1/7/00 3:12 PM Page 66 APPENDIX E Index A D Acquisition Time . . . . . . .57 Activating a Route . . . . . .43 Active Route Page . . . . . .44 Acquiring a position . . . . . .6 Alarm Setup . . . . . . . . . .54 Alkaline batteries . . . . . . .57 Altitude (ALT) . . . . . . . . .18 AutoLocate™ . . . . . . . . . .6 Average Speed (AVSPD) . .17 DGPS Interface . . . . . . . .52 Date and Time . . . . . . . . .47 Deleting Waypoints . . . . .
GPS48revB.qxd 1/7/00 3:12 PM Page 67 APPENDIX E Index L Language Setup . . . . . . . .55 Loran TD Positiion Format 60 M Mag. Heading Reference . .50 Man Overboard Function .38 Map Cursor . . . . . . . . . . .23 Map Datums . . . . . . .49, 63 Map Orientation . . . . . . .24 Map Page . . . . . . . . . .11, 18 Map Setup . . . . . . . . . . . .24 Marine Database . . . . . . .21 Marking a Position . . . . . .32 Maximum Speed . . . . . . .18 Maximum Speed (MXSPD) 17 Menu Page . . . . . . . . . .
GPS48revB.qxd 1/7/00 3:12 PM Page 68 APPENDIX E Index S V Satellite Page . . . . . . . .8, 14 Scanning Waypoints . . . . .37 Screen Backlighting . .13, 48 Screen Contrast . . . . .13, 48 Signal Strength Bars . . . . .14 Simulator . . . . . . . . . . . . .55 Sky View . . . . . . . . . . . . .14 Specifications . . . . . . . . . .56 Speed Filter . . . . . . . . . . .51 System Setup . . . . . . . . . .46 Velocity Made Good (VMG)29 T Time Format . . . . . . . . . .47 Time Offset . . . . . . . . . . .
GPS48revB.qxd 1/7/00 3:12 PM Page 69 LIMITED WARRANTY GARMIN Corporation warrants this product to be free from defects in materials and manufacture for one year from the date of purchase. GARMIN will, at its sole option, repair or replace any components that 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.
GPS48revB.qxd 1/7/00 3:12 PM Page 70 ® © 1999 GARMIN Corporation 1200 E. 151st Street, Olathe, KS 66062 USA GARMIN (Europe) Ltd. - Unit 5, The Quadrangle, Abbey Park, Romsey, UK SO51 9AQ UK GARMIN (Asia) Corp., No. 68, Jangshu 2nd Rd., Shijr, Taipei County, Taiwan, R.O.C.
