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Table of Contents
Sec. 1: Read Me First! ....................................................................1
Capabilities and Specifications: M56..................................................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
Depth Cursor..................................................................................... 47
Depth Range - Automatic.................................................................48
Depth Range - Manual .....................................................................49
Depth Range - Upper and Lower Limits .........................................49
FasTrack ........................................................................................51