Seize the day

Lowrance Broadband Sounder Update Version 1.2.0

Warning: Be sure to only have the files for this update loaded on the SD card for proper updating. Including other files on the SD card can result in a failed update.

Notes: Mac OS X users may need to reapply the execute permissions to the stand-alone installer after it has finished downloading. To reapply the execute permissions, open a Terminal window, and type the following command (this assumes you downloaded the file to your desktop):
chmod +x desktop/LBS-1_120.command

Prerequisite: Java must be installed on your computer for the installers to operate. If you do not already have a Java JRE or JDK installed, please visit the Java website.

Installation Instructions
  1. Make sure the MMC/SD card reader is properly connected to your computer (and, if necessary, that the drivers are installed).
  2. Insert an MMC/SD card with at least 8 MB of free space into the MMC/SD card reader, and no other files loaded.
  3. Click on the "Install Update From the Web" link below to go to the installation web page.
  4. Wait for the Java web installer to download and run. Follow the Lowrance update installation instructions. If you are not sure about a step, just select the default choice. When the installer finishes you will prompted to click Finish to exit.
  5. Turn your Lowrance head unit off, if it is not off already.
  6. Check that the Lowrance Broadband Sounder-1 is properly connected to the Lowrance head unit you will be performaing the update from.
  7. Place the MMC/SD card containing the updated operating software in the unit's MMC/SD card tray.
  8. Turn your head unit on by pressing the PWR button.
  9. After the head unit finishes booting, press EXIT, then MENU twice.
  10. Press UP to select "Browse Files", RIGHT, and ENT to select the update file.
  11. Press Down, Right, and ENT to select to "Update" button for that file.
  12. Once reprogramming is complete, hit the EXIT key four times.
  13. Check the title bar on the Sonar page to verify the unit is reprogrammed with the correct version of software.

If your computer experiences problems with the web installer, try using a stand-alone installer. Simply choose the appropriate operating system below:
PC Win98/ME/2000/XP/2003   |   Mac OS X   |   Linux

How to see if your Lowrance Broadband Sounder is already using version 1.2.0 software:
  1. With the LBS-1 connected to a head unit, and operating properly, power on the head unit.
  2. Go to the sonar page - you may have to press the PAGES button to switch to the sonar page.
  3. Check the title bar on the Sonar page to verify the version of software loaded on the LBS-1 module.
  4. The title bar should read "Sonar Chart (LBS-1 v1.2.0 Build: XXXXXXXXX)".
What changes are made in this update?
  • Improved shallow water performance

System Requirements:
LBS-1 update software will run on any Java-enabled machine running Windows® 98/ME/2000/XP/2003, Mac OS X, or Linux.