Lowrance LMS-320 DF Operation Instructions

Lowrance LMS-320 DF Fish Finder manual cover

Pages 204

Year 2002

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Lowrance LMS-320 DF Fish Finder Specification

The Lowrance LMS-320 DF Fish Finder is a sophisticated marine electronics device designed for avid anglers seeking enhanced underwater visibility and navigation. It features a 5-inch high-resolution LCD display with a 320 x 320 pixel matrix, providing clear and precise imaging for effective fish detection and bottom contour mapping. The fish finder utilizes dual-frequency sonar technology, operating at 50 kHz and 200 kHz, which allows for versatile use in both shallow and deep waters. This dual-frequency system enhances target separation and depth penetration, making it suitable for various fishing environments.

The LMS-320 DF is equipped with advanced sonar capabilities, including FishReveal technology that highlights fish targets on the display, and an ASP (Advanced Signal Processing) feature that minimizes noise and clutter for a clearer view. The device supports a depth capability of up to 1000 feet, catering to diverse fishing needs. It includes a built-in GPS antenna and mapping functionality, enabling precise navigation and waypoint marking. The unit is compatible with external NMEA 0183 devices, allowing for integration with other marine electronics systems.

For user convenience, the LMS-320 DF offers customizable screen views, split-screen modes, and a user-friendly interface with intuitive menu navigation. The device is housed in a rugged, waterproof casing, ensuring durability and reliability in harsh marine conditions. It also includes an SD card slot for data storage and software updates. Power requirements are minimal, with the unit operating on a 12-volt DC power source. Overall, the Lowrance LMS-320 DF Fish Finder is a comprehensive tool designed to enhance fishing efficiency through superior sonar performance and reliable navigation features.

Lowrance LMS-320 DF Fish Finder F.A.Q.

How do I install the Lowrance LMS-320 DF Fish Finder on my boat?

To install the LMS-320 DF, mount the transducer on the transom of your boat, ensuring it is parallel to the waterline. Connect the transducer cable to the back of the unit, mount the display unit in a convenient location, and connect it to a power source. Refer to the installation guide for detailed steps.

What are the basic steps for setting up the sonar on the Lowrance LMS-320 DF?

To set up the sonar, power on the unit, select 'Sonar' from the main menu, adjust the sensitivity settings, set the depth range according to your fishing environment, and customize the display settings as desired.

How can I troubleshoot if my LMS-320 DF Fish Finder is not displaying depth readings?

First, check if the transducer is properly mounted and submerged. Ensure the transducer cable is securely connected. Verify that the correct frequency is selected and inspect for any damage to the transducer. If issues persist, perform a soft reset of the device.

What should I do if the screen of my Lowrance LMS-320 DF is difficult to read in bright sunlight?

Adjust the screen's brightness and contrast settings to improve visibility. You can also use a glare shield or sun cover for better readability in bright conditions.

How do I perform a software reset on the Lowrance LMS-320 DF Fish Finder?

To perform a software reset, press and hold the 'PAGES' key and the 'POWER' key simultaneously until the unit restarts. This will reset the software settings without affecting your saved data.

Can I update the software on my Lowrance LMS-320 DF?

The LMS-320 DF does not support software updates as it is an older model. Ensure all settings are optimized for current use.

What maintenance is required to keep the LMS-320 DF Fish Finder in optimal condition?

Regularly clean the display screen with a soft, damp cloth. Inspect the transducer and cables for damage. Store the unit in a dry place when not in use, and ensure all connections are secure.

How do I interpret the sonar readings on my Lowrance LMS-320 DF?

The sonar readings display the water depth, fish arches, and bottom contours. Fish typically appear as arches, while the bottom is represented by a continuous line. Adjust sensitivity settings to enhance detail visibility.

What is the procedure for calibrating the depth sensor on the LMS-320 DF?

Access the 'Sonar Setup' menu, select 'Calibrate Depth', and follow the on-screen instructions to accurately set the depth sensor, ensuring the readings match the actual water depth.

How can I extend the lifespan of my Lowrance LMS-320 DF's transducer?

Routinely inspect the transducer for damage and clean it to remove debris. Avoid high-speed impacts and store the transducer out of direct sunlight when not in use. Proper care will extend its lifespan.