Pub. 988-0152-001 www.lowrance.com M52 S/GPS Fish-finding Sonar & GPS Plotter Installation and Operation Instructions Copyright © 2003 Lowrance Electronics, Inc. All rights reserved. Lowrance® is a registered trademark of 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. 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. 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. Table of Contents Sec. 1: Read Me First! .............................................................. 1 Capabilities and Specifications: M52 ............................................ 2 How your Sonar Works................................................................. 4 How your GPS Works ................................................................... 4 Introduction to GPS and WAAS................................................... 5 How to Use this Manual: Typographical Conventions................ 7 Sec. 2: Installation & Accessories .......................................... 9 Preparations.................................................................................. 9 Transducer Installation................................................................ 9 Recommended Tools and Supplies ......................................... 10 Selecting a Transducer Location................................................ 10 How Low Should You Go?....................................................... 11 Shoot-Thru-Hull vs. Transom Mounting ............................... 12 Transom Transducer Assembly and Mounting ......................... 13 Trolling Motor Bracket Installation........................................... 16 Transducer Orientation and Fish Arches .................................. 17 Shoot-Thru-Hull Preparation and Installation ......................... 18 Power and Cable Connections .................................................... 22 Mounting the Sonar Unit: In-Dash or Bracket ......................... 23 Portable Sonar Installation ........................................................ 27 Portable Transducer Assembly .............................................. 29 Sec. 3: Basic Sonar Operation.............................................. 31 Keyboard Basics.......................................................................... 31 Memory........................................................................................ 32 Menus .......................................................................................... 32 Main Menu .............................................................................. 32 Sonar Menu ............................................................................. 34 Pages ........................................................................................... 35 Basic Sonar Quick Reference ............................................... 37 Sonar Operations ........................................................................ 38 Fish Symbols vs. Full Sonar Chart ........................................ 40 Other Free Training Aids ....................................................... 41 Sec. 4: Sonar Options & Other Features ........................... 43 ASP (Advanced Signal Processing) ......................................... 43 Alarms ......................................................................................... 44 Depth Alarms .......................................................................... 44 Zone Alarm .............................................................................. 45 Fish Alarm............................................................................... 46 Chart Speed................................................................................. 47 Depth Cursor............................................................................... 47 Depth Range - Automatic ........................................................... 48 Depth Range - Manual................................................................ 49 i Depth Range - Upper and Lower Limits ................................... 49 FasTrack .................................................................................. 51 Fish I.D. (Fish Symbols & Depths) ......................................... 51 FishTrack ................................................................................. 52 Grayline ..................................................................................... 53 Overlay Data ............................................................................... 54 Ping Speed & HyperScroll....................................................... 55 Reset Options .............................................................................. 57 Sensitivity & Auto Sensitivity.................................................... 57 To Turn Auto Sensitivity Back on:......................................... 59 Set Keel Offset ............................................................................ 59 Sonar Color Mode........................................................................ 60 Sonar Page & Sonar Chart Display Options ............................. 60 Full Sonar Chart ..................................................................... 60 Split Zoom Sonar Chart .......................................................... 61 Digital Data/Chart .................................................................. 62 Flasher..................................................................................... 62 Sonar Simulator.......................................................................... 62 Stop Chart ................................................................................... 63 Surface Clarity ............................................................................ 63 Zoom Pan..................................................................................... 65 Sec. 5: Sonar Troubleshooting.............................................. 67 Sec. 6: Basic GPS Operations................................................ 71 Keyboard ..................................................................................... 71 Power/Lights (Turn Unit On and Off) ....................................... 72 Main Menu .................................................................................. 72 Pages ........................................................................................... 74 Sonar Pages............................................................................. 74 Satellite Status Page .............................................................. 74 Navigation Page ...................................................................... 76 Position Page........................................................................... 78 Plotter Page............................................................................. 79 GPS Quick Reference ............................................................. 81 Viewing the Plotter: Zoom & Cursor Arrow Keys ........................ 82 Selecting any Plotter Item with the Cursor .............................. 82 Navigate to Cursor Position on Plotter...................................... 82 Cancel Navigation....................................................................... 83 Find your Current Position ........................................................ 84 Find Distance from Current Position to Another Location ...... 84 Find Distance from Point to Point ............................................. 85 Waypoints.................................................................................... 85 Create a Waypoint .................................................................. 85 Delete a Waypoint................................................................... 87 ii Edit a Waypoint (Name, Symbol or Position)........................ 88 Select a Waypoint ................................................................... 88 Find a Waypoint.......................................................................... 88 Navigate to a Waypoint .............................................................. 90 Set Man Overboard (MOB) Waypoint........................................ 91 Navigate Back to MOB Waypoint .......................................... 91 Trails ........................................................................................... 92 Creating and Saving a Trail ................................................... 92 Delete a Trail .......................................................................... 94 Display a Saved Trail ............................................................. 94 Edit a Trail Name ................................................................... 95 Navigate a Trail .......................................................................... 95 Visual Trailing ........................................................................ 96 Navigate a Trail (Forward)..................................................... 96 Navigate a Back Trail (Backtrack, or Reverse) ..................... 98 Icons............................................................................................. 99 Create Icon on Plotter............................................................. 99 Create Icon at Current Position ........................................... 100 Delete an Icon ....................................................................... 100 Navigate to an Icon ............................................................... 101 Routes........................................................................................ 101 Create and Save a Route ...................................................... 101 Delete a Route ....................................................................... 103 Edit a Route .......................................................................... 104 Navigate a Route................................................................... 104 Navigate a Route in Reverse ................................................ 105 Utilities...................................................................................... 106 Alarm Clock........................................................................... 106 Sun/Moon Rise & Set Calculator.......................................... 106 Trip Calculator...................................................................... 106 Trip Down Timer................................................................... 106 Trip Up Timer ....................................................................... 106 Sec. 7: System & GPS Setup Options................................. 107 Alarms ....................................................................................... 107 Auto Satellite Search................................................................ 108 Coordinate System Selection.................................................... 109 To Setup Loran TD: .............................................................. 110 Map Fix ..................................................................................... 111 Customize Page Displays ......................................................... 112 GPS Simulator .......................................................................... 112 Simulating Trail or Route Navigation ................................. 113 Hide GPS Features ................................................................... 114 Initialize GPS............................................................................ 114 iii Plotter Auto Zoom..................................................................... 114 Plotter Orientation ................................................................... 115 Overlay Data ............................................................................. 115 To Select Data for Display: ............................................... 116 To Turn Off Displayed Data: ............................................ 116 To Change Displayed Data Font Size: ............................. 117 Pop-Up Help .............................................................................. 118 Position Pinning........................................................................ 118 Reset Options ............................................................................ 119 Screen Contrast and Brightness .............................................. 119 Set Language ............................................................................ 120 Set Local Time .......................................................................... 120 Sho ...