Pub. 988-0152-031 www.lowrance.com M68C S/Map & M68C IceMachine Installation and Operation Instructions Fish-finding Sonar & Mapping GPS 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: M68 ............................................ 3 How your Sonar Works................................................................. 4 How your GPS Works ................................................................... 5 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 ............................................................................. 33 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 ColorLine.................................................................................. 47 Depth Cursor............................................................................... 49 Depth Range - Automatic ........................................................... 49 i Depth Range - Manual................................................................ 50 Turn Auto Depth Range on Again:..................................... 50 Depth Range - Upper and Lower Limits ................................... 50 FasTrack .................................................................................. 52 Fish I.D. (Fish Symbols & Depths) ......................................... 52 FishTrack ................................................................................. 53 Overlay Data ............................................................................... 54 Change Displayed Data Font Size: ........................................ 55 Ping Speed & HyperScroll....................................................... 56 Reset Options .............................................................................. 57 Sensitivity & Auto Sensitivity.................................................... 58 Turn Auto Sensitivity Back on: .............................................. 59 Set Keel Offset ............................................................................ 59 Sonar Color Mode........................................................................ 60 Sonar Page & Sonar Chart Display Options ............................. 61 Full Sonar Chart ..................................................................... 61 Split Zoom Sonar Chart .......................................................... 61 Digital Data/Chart .................................................................. 62 Flasher..................................................................................... 62 Sonar Simulator.......................................................................... 63 Stop Chart ................................................................................... 63 Surface Clarity ............................................................................ 64 Zoom Pan..................................................................................... 65 Sec. 5: Ice Fishing .................................................................... 67 Icemachine Mode Operation....................................................... 68 Sensitivity ............................................................................... 70 Colorline .............................................................................. 71 Battery Gauge ......................................................................... 72 Sonar Signal Interpretation ....................................................... 72 Ice Flasher Options..................................................................... 73 Split Zoom Display Mode........................................................ 73 Color Modes............................................................................. 74 Scouting Through the Ice ........................................................... 75 Sec. 6: Sonar Troubleshooting.............................................. 77 Sec. 7: Basic GPS Operations................................................ 81 Keyboard ..................................................................................... 81 Power/Lights (Turn Unit On and Off) ....................................... 82 Main Menu .................................................................................. 82 Pages ........................................................................................... 84 Sonar Page .............................................................................. 84 Satellite Status Page .............................................................. 84 Navigation Page ...................................................................... 86 Full Map Page ......................................................................... 88 ii GPS Quick Reference ............................................................. 91 Find your Current Position ........................................................ 92 Moving around the Map: Zoom & Cursor Arrow Keys.............. 92 Selecting any Map Item with the Cursor .................................. 93 Set a Waypoint............................................................................ 93 Create Waypoint at Current Position .................................... 93 Create Waypoint on Map........................................................ 94 Create Waypoint by Entering a Position ............................... 95 Navigate to a Waypoint .............................................................. 95 Set Man Overboard (MOB) Waypoint........................................ 96 Navigate Back to MOB Waypoint .............................................. 96 Navigate to Cursor Position on Map.......................................... 97 Navigate to a Map Place............................................................. 99 Creating and Saving a Trail....................................................... 99 Displaying a Saved Trail .......................................................... 101 Navigating Trails...................................................................... 101 Visual Trailing ...................................................................... 102 Navigate a Trail (Forward)................................................... 102 Navigate a Back Trail (Backtrack, or Reverse) ................... 104 Cancel Navigation..................................................................... 105 Sec. 8: Advanced GPS Operations ..................................... 107 Find Distance from Current Position to Another Location .... 107 Find Distance from Point to Point ........................................... 107 Icons........................................................................................... 107 Create Icon on Map............................................................... 108 Create Icon at Current Position ........................................... 108 Delete an Icon ....................................................................... 108 Navigate to an Icon ............................................................... 109 Routes........................................................................................ 109 Create and Save a Route ...................................................... 110 Delete a Route ....................................................................... 112 Edit a Route .......................................................................... 112 Navigate a Route................................................................... 113 Navigate a Route in Reverse ................................................ 114 Trails ......................................................................................... 115 Delete a Trail ........................................................................ 115 Edit a Trail Name ................................................................. 115 Edit a Trail Color .................................................................. 116 Edit a Trail Pattern .............................................................. 116 Utilities...................................................................................... 116 Alarm Clock........................................................................... 116 Sun/Moon Rise & Set Calculator.......................................... 116 Trip Calculator...................................................................... 116 iii Trip Down Timer................................................................... 116 Trip Up Timer ....................................................................... 117 Waypoints.................................................................................. 117 Delete a Waypoint................................................................. 117 Edit a Waypoint (Name, Symbol and Position) ................... 117 Selecting a Waypoint ............................................................ 118 Set a Waypoint by Average Position .................................... 118 Set a Waypoint by Projecting a Position.............................. 118 Sec. 9: System & GPS Setup Options................................. 119 Alarms ....................................................................................... 119 Auto Satellite Search................................................................ 120 Coordinate System Selection.................................................... 121 Map Fix ..................................................................................... 122 ...