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Pub. 988-0156-071
www.lowrance.com
LMS-332C &
LMS-337C DF
Fish-finding Sonar & Mapping GPS
Installation and Operation
Instructions
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Copyright © 2004 Lowrance Electronics, Inc. All rights reserved. No part of this manual may be copied, reproduced, republished, transmitted or distributed for any purpose, without prior written consent of Lowrance Electronics. Any unauthorized commercial distribution of this manual is strictly prohibited. Lowrance is a registered trademark of Lowrance Electronics, Inc. MapCreate, FreedomMaps, IMS and NauticPaths are trademarks of LEI. Fishing Hot Spots is a registered trademark of Fis
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Table of Contents Section 1: Read Me First!......................................................... 1 Capabilities and Specifications: LMS-332 and LMS-337CDF ..... 3 How Lowrance Sonar Works ........................................................ 5 How Lowrance GPS Works .......................................................... 6 Introduction to GPS and WAAS................................................... 8 How to use this manual: typographical conventions ................ 10 Section 2: In
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Depth Alarms .......................................................................... 62 Zone Alarm.............................................................................. 63 Fish Alarm............................................................................... 64 Calibrate Speed........................................................................... 65 Chart Speed................................................................................. 66 ColorLine........................
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Main Menu ................................................................................ 104 Pages ......................................................................................... 106 Sonar Page ............................................................................ 106 Satellite Status Page ............................................................ 106 Navigation Page.................................................................... 108 Map Page..............................
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Trails ......................................................................................... 144 Delete a Trail ........................................................................ 144 Edit a Trail Name ................................................................. 144 Edit a Trail Color .................................................................. 144 Edit a Trail Pattern .............................................................. 145 Utilities................................
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Tide Information ................................................................... 166 Overlay Data............................................................................. 168 To change displayed data font size:.................................. 171 Pop-up Help............................................................................... 171 Reset Options ............................................................................ 172 Screen Contrast and Brightness ......................
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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 your unit’s 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 the your unit can store, skip ahead to important information on how the sonar works, on page 5. (Background on GPS begins on page 6.) Capabilities and Specifications: LMS-332 and LMS- 337CDF General Display:..................
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built-in temperature sensor is packed with the LMS-337CDF. It has 35°/12° cone angles. A single-frequency Skimmer transducer with built-in temperature sensor is packed with the LMS-332. 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-337CDF: 2,500 feet/762 meters. LMS-332: 1,000 feet/305 meters. (Actual capability depends on transducer configurat
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Custom mapping: .......... MapCreate 6 software optional; optional plug and play LEI FreedomMaps offer the same high-detail without the computer work of MapCreate. Other plug and play mapping options include IMS Fishing Hot Spots , LEI NauticPaths charts and Navionics charts. Mapping memory:............Up to 1 GB on one MMC (or SD) card. Position updates: .......... Every second. Position points: ............. 1,000 waypoints; 1,000 event marker icons. Audible alarms: ............. Arri
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1957.) A sonar consists of a transmitter, transducer, receiver and dis- play. In simple terms, here's how it finds the bottom, or the fish: 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 ret
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Your unit listens to signals from as many satellites as it can "see" above the horizon, eliminates the weakest signals, then computes its location in relation to those satellites. Once the unit figures its latitude and lon- gitude, 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 unit is a basic background map of the entire world. We lock it in here at the
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No matter where they come from, GPS Data Files must be loaded from the MMC into memory before your unit can use them.) 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) not only may be shared between the LMS-332 and 337 CDF, but also with other Lowrance GPS and sonar
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fies the satellite and its position above the earth. Three of these satellites are spares, unused until needed. The rest virtually guarantee that at least four satellites are in view nearly anywhere on Earth at all times. 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
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WAAS is designed to increase GPS accuracy to within 7.6 meters vertically and horizontally, but it consistently delivers accuracies within 1-2 meters horizontal and 2-3 meters vertical, according to the FAA. It does this by 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
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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
