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Pub. 988-0151-031
www.lowrance.com
LCX-104C
Fish-finding Sonar & Mapping GPS
Operation Instructions
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Copyright © 2002 Lowrance Electronics, Inc. All rights reserved. ® Lowrance is a registered trademark of Lowrance Electronics, Inc. MapCreate is a trademark of Lowrance Electronics, Inc. Marine-Tex is a trademark of Illinois Tool Works Inc. Navionics is a registered trademark of Navionics, Inc. Points of Interest Data in this unit are by infoUSA, copyright 2001-2002, All Rights Reserved. infoUSA is a trademark of infoUSA, Inc. eXitSource Database, copyright 2001-2002 Zenrin Co. Ltd. Exi
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Table of Contents Sec. 1: Read Me First! ..............................................................1 Capabilities and Specifications: LCX-104C .................................. 3 How your Sonar Works................................................................. 5 How your GPS Works ................................................................... 6 Introduction to GPS and WAAS................................................... 8 How to Use this Manual: Typographical Conventions.......
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Sonar Operations ........................................................................ 48 Fish Symbols vs. Full Sonar Chart ........................................ 50 Other Free Training Aids ....................................................... 50 Sec. 4: Sonar Options & Other Features ...........................53 ASP (Advanced Signal Processing)......................................... 53 Alarms .........................................................................................
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Upper and Lower Limits ............................................................ 84 Zoom & Zoom Bar ....................................................................... 84 Zoom Pan..................................................................................... 85 Sec. 5: Sonar Troubleshooting..............................................87 Sec. 6: Basic GPS Operations................................................91 Keyboard ...........................................................
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Routes........................................................................................ 125 Create and Save a Route ...................................................... 126 Delete a Route....................................................................... 128 Edit a Route .......................................................................... 128 Navigate a Route................................................................... 129 Navigate a Route in Reverse ....................
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Fill Water with White........................................................... 146 Map Overlays (Range Rings; Lat/Long Grid) ...................... 146 Map Datum Selection ............................................................... 146 Map Detail Category Selection................................................. 147 Map Orientation ....................................................................... 148 Overlay Data.......................................................................
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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 commercial-quality combination fish finder and mapping GPS receiver. First, we want to thank you for buying a Lowrance sona
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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 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 Troubleshoot
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how many watts of power the unit has, or how many waypoints it can store, skip ahead to important information on how sonar works, on page 5. (Background on GPS begins on page 6.) Capabilities and Specifications: LCX-104C General Display:............................ High-brightness liquid crystal TFT; pro- grammable to viewing preference; 10.4" (26.4 cm) diagonal. Multiple full-screen and split- screen data display combinations. Resolution:...................... 640 pixel x 480 pixel resolution;
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Sonar sounding depth capability: ........... 3,000 feet (915 meters). Actual capability depends on transducer configuration and in- stallation, bottom composition and water conditions. All sonar units typically read deeper in fresh water than in salt water. Depth display:................ Continuous display. Graph recording:........... Up to 512 MB on two MMC (or SD) cards Audible alarms: ............. Deep/shallow/fish/zone. Automatic ranging:....... Yes, with instant screen updates. Auto bottom
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Position updates: .......... Every second. Position points: ............. 1,000 waypoints; 1,000 event marker icons. Man Overboard:............. MOB feature precisely marks man overboard location with special icon, then automatically displays navigation data to that position. Audible alarms: ............. Arrival/off-course/destination passed/anchor. Graphic symbols for waypoints or event marker icons: ................. 42. Routes:............................. 100; up to 100 waypoints per route.
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(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 microprocessor calculates the time lapse between the transmitted signal and echo return to determine the distance to the object. The whole process repeats itself several times each second. Your sonar unit can record a log
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The performance doesn't stop there. Stored in the permanent memory of every unit 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 much more detail, you need our optional map- making software, MapCreate 6. Some unit features — such as searching for businesses and addresses — won't work without a custom MapCreate map. There is so much detail
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MMC, custom map files and GPS data files can be used interchangea- bly between your gimbal-mounted LCX-104C and the hand-held iFINDER GPS receiver.) The unit automatically reads Custom Map Files directly from the MMC or SDC. To use a custom map, all you need to do is slide an MMC con- taining a map into the unit. Introduction to GPS and WAAS Well, now you know the basics of how the unit does its work. You might be ready to jump ahead to Section 2, Installation & Accessories, on page 13, so you
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A minimum of three satellites are required to determine a 2D 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. These signals can be easily blocked by trees, buildings, an automobile roof, even your body. Like most GPS receivers, this unit doesn’t have a compass or any other navigation aid built inside. It relies solely on the signals from the sat- ellites to calculate a posit
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First, the U.S. government has not completed construction of the WAAS system, so it is not yet fully operational. The ground stations are in place, but only a few of the needed WAAS satellites have been launched. WAAS can boost 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 sky to someone on the ground in North America. Aircraft and vessels on open water can get consis- tently go
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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 you may need to enter or file names you need to select are show in italic type, such as trail name. Instructions = Menu Sequences Most functions you perform with this unit are described as a sequence of key strokes and selecting
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Notes 12
