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Table of Contents
Sec. 1: Read Me First! .............................................................. 1
Capabilities and Specifications: LCX-104C .................................. 3
How your Sonar Works................................................................. 5
How your GPS Works ................................................................... 6
Introduction to GPS and WAAS................................................... 8
How to Use this Manual: Typographical Conventions.............. 10
Sec. 2: Installation & Accessories ........................................13
Preparations................................................................................ 13
Transducer Installation.............................................................. 13
Recommended Tools and Supplies ......................................... 14
Selecting a Transducer Location............................................ 14
How Low Should You Go?....................................................... 15
Shoot-Thru-Hull vs. Transom Mounting ............................... 16
Transom Transducer Assembly and Mounting ..................... 16
Trolling Motor Bracket Installation....................................... 22
Transducer Orientation and Fish Arches .............................. 23
Shoot-Thru-Hull Preparation and Installation ..................... 23
Speed/Temperature Sensors....................................................... 26
Sensor Chart ............................................................................... 27
Optional Speed Sensor Installation ....................................... 28
GPS Antenna/Receiver Module .................................................. 29
Power Connections...................................................................... 30
NMEA/DGPS Cable Connections............................................... 31
NMEA/DGPS Wiring .............................................................. 31
Mounting the Unit: Bracket or in-Dash..................................... 33
MMC or SDC Memory Card Installation................................... 35
Other Accessories........................................................................ 36
Screen Cleaning Kit ................................................................ 36
MMC and Mapcreate .............................................................. 37
Switch Boxes ........................................................................... 37
External Speaker .................................................................... 37
Face Cover ............................................................................... 38
Sec. 3: Basic Sonar Operation.............................................. 39
Keyboard ..................................................................................... 39
Power/Lights (Turn Unit On and Off) ....................................... 40
Main Menu .................................................................................. 40
Pages ........................................................................................... 42
Satellite Status Page .............................................................. 42
Navigation Page...................................................................... 43
Map Page................................................................................. 43
Sonar Page .............................................................................. 44
LCX-104C Sonar Quick Reference ....................................... 47