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Table of Contents
Sec. 1: Read Me First! ............................................................... 1
Capabilities and Specifications: LMS-330C and LMS-335C DF.. 3
How Lowrance Sonar Works ........................................................ 5
How Lowrance GPS Works .......................................................... 6
Introduction to GPS and WAAS................................................... 8
Free Training Aids Available ..................................................... 10
Sonar Viewer........................................................................... 10
Unit Emulator......................................................................... 11
How to Use this Manual: Typographical Conventions.............. 12
Sec. 2: Installation & Accessories ........................................ 15
Preparations................................................................................ 15
Transducer Installation.............................................................. 15
Selecting a Transducer Location............................................ 16
Shoot-Thru-Hull vs. Transom Mounting ............................... 18
Transom Transducer Assembly and Mounting ..................... 19
Trolling Motor Bracket Installation....................................... 25
Transducer Orientation and Fish Arches .............................. 25
Shoot-Thru-Hull Preparation and Installation ..................... 26
Speed/Temperature Sensors....................................................... 30
Optional Temperature Sensor................................................ 30
Optional Speed Sensor Installation ....................................... 30
GPS Antenna/Receiver Module .................................................. 32
GPS Module Installation ........................................................ 33
Connecting Directly to the Unit ............................................. 35
Connecting to a NMEA 2000 Network................................... 35
Power Connections ................................................................. 36
Powering a NMEA 2000 Buss (NMEA 2000 Power Cable)....... 37
Powering your Unit (Power Supply Cable)................................ 37
NMEA 2000 Cable Connections ................................................. 39
NMEA 0183 Cable Connections (Data Cable) ........................... 40
Mounting the Unit: Bracket, In-Dash or Portable .................... 41
MMC or SD Card Memory Card Installation ............................ 44
Face Cover................................................................................... 45
Other Accessories........................................................................ 46
Switch Boxes ........................................................................... 46
Sec. 3: Basic Sonar Operation............................................... 47
Keyboard ..................................................................................... 47
Power/Lights (Turn Unit On and Off) ....................................... 48
Main Menu .................................................................................. 48
Pages ........................................................................................... 50
Satellite Status Page .............................................................. 50
Navigation Page...................................................................... 51
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