Convert SL3 to SL2

Understanding sl3 and sl2 file formats

SL3 and SL2 are proprietary sonar log file formats used by Lowrance, Simrad, and B&G marine electronics. SL3 is the newer format, introduced to support advanced sonar features and higher data fidelity, while SL2 is the older format, widely compatible with legacy devices and software. Both formats store sonar data, including depth, structure, and fish targets, but SL3 files may contain additional information not supported by SL2.

Why convert sl3 to sl2?

Converting SL3 files to SL2 is often necessary for compatibility with older chartplotters, mapping software, or third-party sonar analysis tools that do not support the newer SL3 format. This ensures broader accessibility and usability of your sonar recordings.

Best software for sl3 to sl2 conversion

The most reliable tool for converting SL3 to SL2 is SonarTRX. SonarTRX is a specialized sonar log processing software that supports both formats and offers a straightforward conversion process. Another option is ReefMaster, which can import SL3 files and export them as SL2.

How to convert sl3 to sl2 using SonarTRX

1. Download and install SonarTRX from the official website.
2. Open SonarTRX and go to File → Import to select your SL3 file.
3. Once imported, choose File → Export and select SL2 as the output format.
4. Specify the destination folder and click Export to complete the conversion.

Important considerations

• Some advanced data in SL3 files may not be preserved in the SL2 format due to format limitations.
• Always back up your original SL3 files before conversion.
• Check the compatibility of your target device or software with the exported SL2 file.

Summary

Converting SL3 to SL2 is essential for backward compatibility with older marine electronics and software. SonarTRX and ReefMaster are the best tools for this conversion, offering reliable and user-friendly workflows.