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Pub. 988-0151-181
www.lowrance.com
LMS-480M, LMS-480DF
Fish-finding Sonar & Mapping GPS
Operation Instructions
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Copyright © 2003 Lowrance Electronics, Inc. All rights reserved. ® Lowrance is a registered trademark of Lowrance Electronics, Inc. Navionics is a registered trademark of Navionics, Inc. Points of Interest Data in this unit are by infoUSA, copyright 2001-2003, All Rights Reserved. infoUSA is a trademark of infoUSA, Inc. eXitSource Database, copyright 2001-2003 Zenrin Co. Ltd. Exit Authority and eXitSource are trademarks of Zenrin Co. Ltd. Lowrance Electronics may find it necessary to ch
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Table of Contents Sec. 1: Read Me First! ............................................................... 1 Capabilities and Specifications: LMS-480 and LMS-480DF........ 3 How LMS-480 Sonar Works ......................................................... 5 How LMS-480 GPS Works ........................................................... 6 Introduction to GPS and WAAS................................................... 8 How to Use this Manual: Typographical Conventions.............. 10 Sec. 2: Ins
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Zone Alarm.............................................................................. 59 Fish Alarm............................................................................... 60 Calibrate Speed........................................................................... 61 Chart Speed................................................................................. 62 Depth Cursor............................................................................... 62 Depth Range - Automatic ......
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Main Menu ................................................................................ 100 Pages ......................................................................................... 102 Sonar Page ............................................................................ 102 Satellite Status Page ............................................................ 102 Navigation Page.................................................................... 104 Map Page..............................
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Navigate a Route in Reverse ................................................ 139 Trails ......................................................................................... 140 Delete a Trail ........................................................................ 140 Edit a Trail Name ................................................................. 140 Edit a Trail Color .................................................................. 140 Edit a Trail Pattern ...........................
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Map Orientation ....................................................................... 158 Navionics Charts..................................................................... 160 Display a Navionics Chart:................................................... 160 Port Information ................................................................... 161 Tidal Current Information ................................................... 162 Tide Information ..............................................
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WARNING! A CAREFUL NAVIGATOR NEVER RELIES ON ONLY ONE METHOD TO OBTAIN POSITION INFORMATION. CAUTION When showing navigation data to a position (waypoint), a GPS unit will show the shortest, most direct path to the waypoint. It provides navigation data to the waypoint regardless of obstructions. Therefore, the prudent navigator will not only take advantage of all available navigation tools when traveling to a way- point, but will also visually check to make sure a clear, safe path to the waypoin
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Section 1: Read Me First! How this manual can get you out on the road, fast! Welcome to the exciting world of digital sonar and GPS! We know you're anxious to begin navigating and finding fish, but we have a favor to ask. Before you grab the unit and begin installing it, please give us a moment or two to explain how our manual can help you get the best performance from your compact, wide-screen, combination fish finder and mapping GPS receiver. First, we want to thank you for buying a Lowrance s
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After you've gained some experience with your sonar, you'll want to check out Section 4, which discusses more advanced Sonar Options and Other Features. When you come to a sonar menu command on the LMS-480 screen, you can look it up in the manual by skimming over the table of contents, just flip- ping through Section 3 or scanning through the sonar options in Section 4. If you're having difficulty with your sonar, you can find an answer to the most common problems in Section 5, Sonar Troubleshoo
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Now, if you're into the fine details, glance over the next segment on specifications to see just how much sonar and GPS power your unit con- tains. It's important to us (and our power users), but, if you don't care how many watts of power the unit has, or how many waypoints LMS-480 can store, skip ahead to important information on how LMS-480 sonar works, on page 5. (Background on GPS begins on page 6.) Capabilities and Specifications: LMS-480 and LMS-480DF General Display:......................
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LMS-480DF. It has 35°/12° cone angles. A sin- gle-frequency Skimmer transducer with built- in temperature sensor is packed with the LMS-480. It has a 20° cone angle. Transducers operate at speeds up to 70 mph (61 kts). Transmitter: ................... 3,000 watts peak-to-peak/375 watts RMS. Sonar sounding depth capability: ........... LMS-480DF: 2,500 feet/762 meters. LMS-480: 1,000 feet/305 meters. (Actual capability depends on transducer configuration and installation, bottom com- position and
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Custom mapping: .......... MapCreate 6 software optional; optional LEI FreedomMaps offer the same high- detail without the work of MapCreate; Navi- onics charts on MMC cards optional. Mapping memory:............More than 256 MB on one MMC (or SD) card. Position updates: .......... Every second. Position points: ............. 1,000 waypoints; 1,000 event marker icons. Audible alarms: ............. Arrival/off-course/anchor. Graphic symbols for waypoints or event marker icons: ................
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The transmitter emits an electrical impulse, which the transducer con- verts into a sound wave and sends into the water. (The sound frequency can't be heard by humans or fish.) The sound wave strikes an object (fish, structure, bottom) and bounces back to the transducer, which converts the sound back into an electrical signal. The receiver amplifies this return signal, or echo, and sends it to the display, where an image of the object appears on the scrolling sonar chart. The sonar's microproces
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location in relation to those satellites. Once LMS-480 figures its lati- tude and longitude, it plots that position on the moving map shown on the screen. The whole process takes place several times a second! The performance doesn't stop there. Stored in the permanent memory of each LMS-480 is a basic background map of the entire world. We lock it in here at the factory — you can't change or erase this map. The background map is suitable for many navigation chores, but for maximum accuracy and m
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The other key GPS use for MMCs is storage of special high-detail, cus- tom maps, which you can produce on your computer with our MapCre- ate software. These MapCreate custom maps contain much greater de- tail than the basic background map. These Custom Map Files (file format *.lcm) can also be shared between LMS-480s, other Lowrance GPS or sonar/GPS units and personal computers. (For example, the exact same MMC, custom map files and GPS data files can be used in- terchangeably between your gimba
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A minimum of three satellites are required to determine a 2D fix. The system requires signal reception from three satellites in order to determine a position. This is called a 2D fix. It takes four satellites to determine both position and elevation (your height above sea level — also called altitude.) This is called a 3D fix. Remember, the unit must have a clear view of the satellites in order to receive their signals. Unlike radio or television signals, GPS works at very high frequencies. Thes
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broadcasting correction signals on GPS frequencies. Your unit automati- cally receives both GPS and WAAS signals. However, there are some fringe areas of the U.S., including parts of Alaska, that do not yet receive robust WAAS coverage. Continued WAAS development is planned to extend WAAS coverage in the years to come. WAAS boosts the accuracy of land GPS navigation, but the system is designed for aircraft. The satellites are in a fixed orbit around the Equator, so they appear very low in the sk
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Keyboard The other keys perform a variety of functions. When the text refers to a key to press, the key is shown in bold, sans serif type. For example, the "Enter/Icons" key is shown as ENT and the "Menu" key is shown as MENU. Menu Commands A menu command or a menu option will appear in small capital letters, in a bold sans serif type like this: ROUTE PLANNING. These indicate that you are to select this command or option from a menu or take an action of some kind with the menu item. Text that y
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Notes 12
