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Lowrance LMS-334c iGPS User Manual

Lowrance LMS-334c iGPS
204 pages
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Pub. 988-0152-111
www.lowrance.com
LMS-334c iGPS &
LMS-339cDF iGPS
Fish-finding Sonar & Mapping GPS
Installation and Operation
Instructions

Table of Contents

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Lowrance LMS-334c iGPS Specifications

General IconGeneral
Display Size5 inches
Display TypeColor TFT
Display Resolution480 x 480 pixels
SonarYes
Waterproof RatingIPX7
Operating Frequency200 kHz
Water ResistanceWaterproof
GPS Receiver12-channel
Sonar CapabilityDepth
MemoryMMC/SD card slot

Summary

Read Me First!

Capabilities and Specifications

Details the hardware and software capabilities of the LMS-334c iGPS and LMS-339cDF iGPS units.

How to use this manual: typographical conventions

Explains text formatting and conventions used throughout the manual for clarity and ease of use.

Installation & Accessories

Transducer Installation

Provides instructions for mounting transducers on transoms, trolling motors, or inside hulls for optimal sonar performance.

Power Connections

Explains how to connect the unit to the power source, including NMEA 2000 and NMEA 0183 interfaces.

MMC or SD Card Memory Card Installation

Details the process for installing MMC or SD cards for storing sonar logs, maps, and GPS data.

Basic Sonar Operation

Keyboard

Describes the function of each key on the unit's keypad for navigation and operation.

Main Menu

Explains how to access and navigate the unit's main menu for various functions and settings.

Pages

Outlines how to switch between the four main page displays: Satellite Status, Navigation, Map, and Sonar.

Sonar Page

Details how to view and interpret the sonar chart, displaying echoes of fish, structure, and the bottom.

Sonar Options & Features

ASP (Advanced Signal Processing)

Explains the ASP feature for noise reduction and optimizing sonar display quality under various conditions.

Alarms

Covers setting up Sonar, GPS, and NMEA 2000 alarms for depth, fish, zones, and other events.

Sensitivity & Auto Sensitivity

Describes how to adjust sonar sensitivity for clearer target detection and reduced screen clutter.

Sonar Page & Sonar Chart Display Options

Details various display options for the Sonar Page, including full chart, split zoom, and split frequency views.

Sonar Troubleshooting

Unit won't turn on

Provides steps to diagnose and resolve issues when the unit fails to power on or respond.

Unit freezes, locks up, or operates erratically

Offers solutions for common operational problems like freezing or erratic behavior, often related to electrical noise.

Weak bottom echo, digital readings erratic, or no fish signals

Addresses issues with poor sonar readings, including transducer placement and electrical interference.

Basic GPS Operations

Keyboard

Explains the function of each key for navigating menus and operating GPS features.

Main Menu

Guides users on accessing and utilizing the main menu for GPS functions and setup.

Map Page

Details how to view and interact with the map display, including zooming and panning for navigation.

Set a Waypoint

Explains how to create and save waypoints for navigation and future reference.

Navigate To a Waypoint

Guides users on how to set a course and navigate to a previously saved waypoint.

Advanced GPS Operations

Routes

Covers creating, saving, and navigating complex routes by linking multiple waypoints.

Trails

Explains how to create, save, display, and navigate trails, which record a path taken.

Waypoints

Details managing waypoints, including editing names, symbols, positions, and selecting them for navigation.

System & GPS Options

Alarms

Explains how to configure various GPS alarms like arrival, off-course, and anchor alarms.

Coordinate System Selection

Allows users to choose different coordinate display formats for position data.

Customize Page Displays

Describes how to customize data boxes on various page displays for at-a-glance information.

Map Data

Covers options for controlling map display elements like detail level, pop-ups, boundaries, and overlays.

Searching

Find Streets

Explains how to search for specific streets within a city or across a region.

Find Map Places or Points of Interest

Details how to search for Points of Interest (POIs) like restaurants, airports, and landmarks.

Find Waypoints

Describes how to search for saved waypoints by name or proximity to the current location.

Supplemental Material

Datums Used by This Unit

Lists the various geodetic datums supported by the unit for map coordinate systems.

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