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Pub. 988-0152-111
www.lowrance.com
LMS-334c iGPS &
LMS-339cDF iGPS
Fish-finding Sonar & Mapping GPS
Installation and Operation
Instructions
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Copyright © 2006 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: .................................................... 3 How to use this manual: typographical conventions ................ 10 Arrow Keys.............................................................................. 12 Keyboard ................................................................................. 12 Menu Commands .......................................
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Navigation Page...................................................................... 45 Map Page................................................................................. 45 SonarPage ............................................................................... 46 Basic Sonar Quick Reference ...............................................49 Sonar Operations ........................................................................ 50 Fish Symbols vs. Full Sonar Chart ....................
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Map With Sonar Split Screen................................................. 84 Sonar Simulator.......................................................................... 84 Stop Chart................................................................................... 86 Surface Clarity............................................................................ 87 Transparency .............................................................................. 88 Upper and Lower Limits .................
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Create Icon at Current Position ........................................... 128 Delete an Icon ....................................................................... 128 Navigate to an Icon............................................................... 129 Routes........................................................................................ 129 Create and Save a Route ...................................................... 130 Delete a Route..............................................
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Pop-up Map Information ...................................................... 152 Map Boundaries.................................................................... 152 Fill Water With White .......................................................... 152 Map Overlays (Range Rings; Lat/Long Grid) ...................... 152 Map Datum Selection ............................................................... 153 Map Detail Category Selection................................................. 154 Map Or
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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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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-334c iGPS and LMS- 339cDF iGPS General Display:............................ 5.0" (12.7 cm) diagonal; 256-color Solar- MAX™ TFT display; programmable to viewing preference. Resolution:............
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LMS-339cDF. A single-frequency Skimmer transducer with built-in temperature sensor is packed with the LMS-334c. Transducers offer up to 60° of fish detection coverage and oper- ate at speeds up to 70 mph (61 kts). Transmitter: ................... LMS-339cDF: 4,000 watts peak-to-peak/500 watts RMS. LMS-334c: 2,400 watts peak-to- peak/300 watts RMS. Sonar sounding Depth capability:........... LMS-339cDF: 2,500 feet/762 meters. LMS-334c: 900 feet/274 meters. (Actual capability depends on transducer
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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 FreedomMaps, Fishing Hot Spots Elite, LEI NauticPath charts, LakeMaster ProMaps and Navionics charts. Mapping memory:............Up to 2 GB on one MMC (or SD) card. Position updates: .......... Every second. Position points: ............. 1,000 waypoints; 1,000 event marker icon
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(Lowrance developed the world's first transistorized sportfishing sonar in 1957.) A sonar consists of a transmitter, transducer, receiver and display. 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
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as many satellites as it can "see" above the horizon, eliminates the weakest signals, then computes its location in relation to those satel- lites. Once the unit figures its latitude and longitude, it plots that posi- tion 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 factory — you can't change or e
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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-334c iGPS and 339cDF iGPS, but also with other Lowrance GPS and sonar/GPS units as well as personal computers. (For example, the exact same MMC, custom map files and GPS data files can be used interchangeably be- tween your gimbal-mounted unit and the hand-held iFINDER GPS receiver.) Your unit automatically read
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Three of these satellites are spares, unused until needed. The rest vir- tually guarantee that at least four satellites are in view nearly any- where on Earth at all times. 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. A minimum of three satellites are required to determine a 2D fix
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this by broadcasting correction signals on GPS frequencies. Your unit automatically 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
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Sonar Viewer You can also download a free copy of our Sonar Viewer software. This PC-based software application plays back any sonar chart log recorded with a Lowrance sonar product. Features include: • Adjustable range, zoom, sensitivity, ColorLine, noise rejection, surface clarity, etc. • Color interpretation of sonar signals can be user defined. • Operates like a Windows Multimedia Player with forward, re- verse, pause, fast forward, fast reverse, and scroll buttons. • Adjustments update the
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Arrow Keys The arrow keys control the movement of dotted cross-hair lines on your mapping screen called the cursor. The arrow keys also control a hori- zontal line depth cursor on the sonar screen. The arrow keys help you move around the menus so you can execute different commands. They are represented by symbols like these, which denote the down arrow key, the up arrow, the left arrow and the right arrow: ↓ ↑, ← →. Keyboard The other keys perform a variety of functions. When the text refers to
