User manual LOWRANCE X51

[. . . ] 988-0105-951 www. lowrance. com Fish-finding & Depth Sounding Sonars X51 and X58DF Installation and Operation Instructions Copyright © 2002 Lowrance Electronics, Inc. Marine-Tex is a trademark of Illinois Tool Works Inc. Lowrance Electronics may find it necessary to change or end our policies, regulations, and special offers at any time. All screens in this manual are simulated. For free owner's manuals and other information, visit our web site: www. lowrance. com Lowrance Electronics Inc. Tulsa, OK USA 74128-2486 Printed in USA. Table of Contents Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] The X58DF also has a Dual Frequency page. The Page menu lets you select among the display modes, or pages. X51 Page menu shown at left; X58DF Page menu shown at right. To switch from one page to another page, press MENU until the PAGE menu appears. (The screen changes as you move through the menu. ) When the page you want is selected, press PWR to clear the menu. Depth scales on the right side of the screen make it easy to determine 26 the depth of fish, structure, and other targets. The bottom depth (as determined by the digital sonar) shows in the upper left corner. If your speed sensor is connected, digital displays for speed and temperature will also be shown. Full Chart page, showing digital depth at top and speed at bottom. SPLIT CHART This shows the normal view of the underwater world from the surface to the bottom on the right side of the screen. The left side shows an enlarged or "zoomed" version of the echoes appearing on the right side. A zoom message, such as "2X, " appears at the bottom of the "zoomed" side of the screen. Split Chart page with normal view at right; zoomed view at left. 27 DUAL-FREQUENCY SPLIT CHART (X58DF only) This page shows sonar data from the 50 kHz transducer element on the left side of the screen and data from the 200 kHz transducer on the right side. All other functions and features are the same as the Full Chart page. Dual-Frequency Split Chart page, with 50 kHz view at left and 200 kHz view at right. You can adjust the sensitivity in each window. To change the 200 kHz window's sensitivity, press MENU until the SENSE 200K menu appears. Press UP ARROW to increase the sensitivity, DOWN ARROW to decrease it. Change the 50 kHz window sensitivity in the same way, but use the SENSE 50K menu. Dual-Frequency Split Chart page. The 50 kHz sensitivity menu is shown at left and the 200 kHz sensitivity menu is shown at right. 28 Lrg DIGITAL (Large Digital) The Large Digital page shows all information in big numbers. The digital depth display is at the top of this screen, followed by the temperature, speed, and distance readings. NOTE: Temperature, speed, and distance require a temperature or speed sensor. A speed sensor is included with the X58DF. Large Digital page. FLASHER The Flasher page represents a flasher style sonar. A circular dial shows all returning echoes at a high screen refresh rate. It uses the Grayline feature to show weaker targets as shades of gray. The bottom depth is also shown as a digital display in the center of the circle, while temperature and speed are shown at the bottom. (if your speed sensor is installed). Surface clutter Bottom signal Fish signal, approximately 16 feet Flasher page. 29 RANGE When turned on for the first time, the unit automatically adjusts the depth range according to water conditions. It always keeps the bottom displayed in the lower portion of the screen. You can over-ride the automatic range control and manually select a range. [. . . ] This warranty gives you specific legal rights and you may also have other rights which may vary from state to state. REMINDER: You must retain the sales slip or sales receipt proving the date of your original purchase in case warranty service is ever required. LOWRANCE ELECTRONICS 12000 E. SKELLY DRIVE, TULSA, OK 74128 (800) 324-1356 57 How to Obtain Service. . . . . . in the USA: We back your investment in quality products with quick, expert service and genuine Lowrance parts. If you're in the United States and you have technical, return or repair questions, please contact the Factory Customer Service Department. [. . . ]