Lowrance electronic M68C S/Map GPS Receiver User Manual


 
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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