Lowrance electronic X51 manual Visit our web site

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Copyright © 2008

Navico, Inc.

All rights reserved.

Lowrance® is a registered trademark of Navico, Inc. Marine-Texis 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. We reserve the right to do so without notice. All features and specifications subject to change without notice. All screens in this manual are simulated. On the cover: X51 Pro shown.

For free owner's manuals and other information,

visit our web site:

www.lowrance.com

Lowrance Electronics Inc.

12000 E. Skelly Dr.

Tulsa, OK USA 74128-2486

Printed in USA.

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Contents X51 Pro Visit our web site Table of Contents Capabilities and Specifications X51 Pro Installation Preparations Transducer InstallationRecommended Tools and supplies Selecting a Transducer LocationGood and poor transducer locations How low should you go? Shoot-thru-hull vs. Transom MountingTransom Transducer Assembly and Mounting Insert bolt and check transducer position on transom Transom Trolling Motor Bracket Installation Attach motor mounting bracket to transducer Hulls With Floatation Materials Transducer Orientation and Fish ArchesShoot-Thru Hull Preparation Testing Determines Best Location Shoot-thru-hull Installation Epoxy transducer to hull Power and Cable Connections Mounting the Sonar Unit BracketBracket Installation Portable Sonar Installation Installing the Batteries Portable Transducer AssemblyOperation KeyboardMenus DisplayChart Scroll Full ChartDepth Range Zoom ZoomSensitivity Grayline Fish I.D FishtrackNoise Reject and ASP Advanced Signal Processing Chart Scroll SpeedAlarms Fish AlarmDeep Alarm Depth AlarmsShallow Alarm Backlight Battery VoltagePreset Unit Display ContrastSimulator Digital Data Size Depth and TempIndex Unit freezes, locks up, or operates erratically Unit turns on only in simulator modeUnit wont turn on No fish arches when the Fish I.D. feature is off NoiseNavico Full ONE-YEAR Warranty How to Obtain Service… Not toll-freeAccessory Ordering Information for all countries Visit our web site