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Table of Contents
Section 1: Read Me First!.........................................................1
Capabilities and Specifications: LMS-332 and LMS-337CDF.....3
How Lowrance Sonar Works........................................................5
How Lowrance GPS Works ..........................................................6
Introduction to GPS and WAAS...................................................8
How to use this manual: typographical conventions ................10
Section 2: Installation & Accessories..................................13
Preparations................................................................................13
Transducer Installation..............................................................13
Selecting a Transducer Location............................................14
How low should you go?..........................................................15
Shoot-thru-hull vs. Transom Mounting.................................16
Transom Transducer Assembly And Mounting.....................17
Trolling Motor Bracket Installation.......................................23
Transducer Orientation and Fish Arches..............................23
Shoot-Thru-Hull Preparation.................................................24
Speed/Temperature Sensors.................................................28
GPS Antenna/Receiver Module..................................................30
Power Connections......................................................................32
NMEA 2000 Cable Connections.................................................35
Connecting to a NMEA 2000 Network...................................35
NMEA 0183 Wiring (Data cable) ...........................................35
Mounting the Unit: Bracket, In-Dash or Portable....................37
MMC or SD Card Memory Card Installation............................41
Other Accessories........................................................................42
Face Cover...................................................................................43
Section 3: Basic Sonar Operation........................................45
Keyboard.....................................................................................45
Power/lights on and off...............................................................46
Main Menu..................................................................................46
Pages ...........................................................................................48
Satellite Status Page ..............................................................48
Navigation Page......................................................................49
Map Page.................................................................................49
SonarPage ...............................................................................50
Basic Sonar Quick Reference...............................................53
Sonar Operations........................................................................55
Fish Symbols vs. Full Sonar Chart........................................57
Other Free Training Aids.......................................................58
Section 4: Sonar Options & Other Features......................61
ASP (Advanced Signal Processing).........................................61
Alarms.........................................................................................62
