Lowrance LMS-320, Operation Instructions Manual

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Table of Contents
Sec. 1: Read Me First! ............................................................... 1
Capabilities and Specifications: LMS-320 and LMS-320DF ........ 3
How LMS-320 Sonar Works ......................................................... 5
How LMS-320 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
Transom Transducer Assembly and Mounting ..................... 16
Trolling Motor Bracket Installation....................................... 22
Transducer Orientation and Fish Arches .............................. 23
Shoot-Thru-Hull Preparation ................................................. 23
Shoot-Thru-Hull Installation ................................................. 25
Sensor Chart ............................................................................... 27
Optional Speed Sensor Installation ....................................... 28
GPS Antenna/Receiver Module .................................................. 29
Power Connections...................................................................... 30
NMEA/DGPS Cable Connections............................................... 31
Mounting the Unit: Bracket, in-Dash or Portable .................... 33
Bracket Installation ................................................................ 34
in-Dash Installation................................................................ 36
Portable Installation ............................................................... 36
MMC or SDC Memory Card Installation................................... 37
Other Accessories........................................................................ 38
Sec. 3: Basic Sonar Operation
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41
Keyboard ..................................................................................... 41
Power/Lights on and Off ............................................................. 42
Main Menu .................................................................................. 42
Pages ........................................................................................... 44
Satellite Status Page .............................................................. 44
Navigation Page ...................................................................... 45
Map Page ................................................................................. 45
Sonar Page .............................................................................. 46
LMS-320 Series Sonar Quick Reference .................................... 49
Sonar Operations ........................................................................ 50
Fish Symbols vs. Full Sonar Chart ........................................ 52
Other Free Training Aids ....................................................... 53
Sec. 4: Sonar Options & Other Features ............................ 55
ASP

(Advanced Signal Processing) ......................................... 55